Which table represents the graph of a logarithmic function in the form y-log, when : > 1?
Nex
-1.9
-2.096
-1.75
-1.262

Answers

Answer 1
Looked it up & the answer is -1.9
Answer 2

The Table represents the graph of a logarithmic function in the form is first table.

What is Logarithm?

A logarithm is defined as the number of powers to which a number must be increased in order to obtain some other numbers. It is the simplest way to express enormous numbers. A logarithm has several key features that demonstrate that logarithm multiplication and division can also be represented in the form of logarithm addition and subtraction.

We have,

y= log (base b) x

Take the value y= -3 and x= 1/8.

So, -3 = log (base b) 1/8

[tex]b^{-3[/tex] = 1/8

[tex]b^{-3[/tex] = 1/2³

[tex]b^{-3[/tex] = [tex]2^{-3[/tex]

On comparing b=2.

Now, if y=1 and x= 2

1= log(base b)2

b= 2

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Related Questions

The area of a trapezium shaped field is 480m the distance between two parlel sides is 15m and one of the parrellel side is 20m find the other parralel side

Answers

The other parallel side is 44 m

Step-by-step explanation:

Let us revise the formula of the area of a trapezium

[tex]A=\frac{1}{2}(b_{1}+b_{2})h[/tex] , where

[tex]b_{1}[/tex] and [tex]b_{2}[/tex] are its parallel basesh is its height (The distance between the two parallel bases)

∵ The area of a trapezium is shaped field is 480 m²

∴ A = 480 m²

∵ The distance between two parallel sides is 15 m

∴ h = 15 m

∵ One of the parallel side is 20 m

∴ [tex]b_{1}[/tex] = 20 m

We need to find [tex]b_{2}[/tex]

Substitute all these value in the rule of the area below

∵ [tex]A=\frac{1}{2}(b_{1}+b_{2})h[/tex]

∴ [tex]480=\frac{1}{2}(20+b_{2})(15)[/tex]

- Multiply the two sides by 2

∴ [tex]960=(20+b_{2})(15)[/tex]

- Divide both sides by 15

∴ [tex]64=20+b_{2}[/tex]

- Subtract 20 from both sides

∴ [tex]44=b_{2}[/tex]

The other parallel side is 44 m

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4 friends evenly divided up a n-slice pizza. One of the friends,Harris, ate 1 fewer slice than he received. How many slices of pizza did Harrison eat? Write your answer as an expression

Answers

Answer:

Step-by-step explanation:

(n/4)-1

Divide total slices by 4 friends then subtract 1 to get Harrison’s amount

7w/4+3=9w/10+6

I really need help on this

Answers

Answer:

w=3 9\17

Step-by-step explanation:

The hexagon is made from a rectangle and two identical triangles.
13 cm
5 cm
12 cm
Work out the area of the hexagon.​

Answers

Answer:

The area of the hexagon is 108 cm².

Step-by-step explanation:

Consider the below figure attached with this question.

From the below figure we get

Length of rectangle = 12 cm

width of rectangle = 5 cm

It is given both triangles are identical.

Base of each triangle = 12cm

Height of each triangle = (13-5)/2 = 4 cm

Area of rectangle is

[tex]Area=length\times width=12\times 5=60[/tex]

Area of rectangle is

[tex]Area=\frac{1}{2}\times base\times height[/tex]

[tex]Area=\frac{1}{2}\times 12\times 4=24[/tex]

Area of one triangle 24 cm². So, area of both triangle is

[tex]2\times 24=48[/tex]

Area of hexagon = Area of rectangle + Area of both triangles

                            = [tex]60+48[/tex]

                            = [tex]108[/tex]

Therefore, the area of the hexagon is 108 cm².

Final answer:

By finding the areas of the rectangle and the two triangles separately and adding them together, we determine that the area of the hexagon is 125 cm².

Explanation:

To find out the area of the hexagon, you would need to find the areas of the rectangle and the triangles separately, and then add them together. The rectangle's area can be calculated easily using the formula for the area of a rectangle: Length x Breadth.

Assuming the rectangular part length to be 13cm and breadth to be 5cm, area of rectangle = 13cm x 5cm = 65cm².

The two triangles appear to be right triangles. You can use the formula for the area of a right triangle: 0.5 x Base x Height.

Assuming the base and height of the triangles to be 12cm and 5 cm, therefore the area of one triangle is 0.5 x 12cm x 5cm = 30cm². Since there are two of these triangles, their combined area = 2 x 30cm² = 60cm².

Finally, combining the areas of the rectangle and triangles equals the area of the hexagon: 65cm² + 60 cm² = 125 cm².

The area of the hexagon is

125 cm²

.

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What do you know about the slope when X2 - X1 = 0 ?

Answers

Answer:

slope is undefined

Step-by-step explanation:

Using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

If x₂ - x₁ = 0

Since division by zero is undefined then the slope of the line is undefined

This applies to a vertical line parallel to the y- axis

Amanda decided to save the money that she earned babysitting to buy school clothes. Amanda wants to buy two pairs of jeans that cost $32 each, three shirts that cost $18 each, and a jacket that costs $54. How much money does Amanda need to buy all of the clothes that she wants?

Answers

Answer:

Step-by-step explanation:

Two pairs of jeans cost $32 dollars so multiply 32 x 2 and get $64.

Three shirts cost $18, multiply 18 x 3 to get $54.

One jacket costs $54 so just do 1 x 54 and you will get $54.

54 + 54 + 64 = $172.

I hope this helped!

Final answer:

Amanda needs $172 to buy all the clothes she wants.

Explanation:

To calculate the total cost of the clothes Amanda wants to buy, we need to add up the cost of each item.

Cost of two pairs of jeans: 2 x $32 = $64Cost of three shirts: 3 x $18 = $54Cost of one jacket: $54

To find the total cost, we add up these amounts:

= $64 + $54 + $54

= $172.

Therefore, Amanda needs $172 to buy all the clothes she wants.

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An amusement park charges admission plus a fee for each ride. Admission plus four ride cost $22. Admission plus seven ride cost $31. What is the charge for admission and the cost for each ride

Answers

Answer:

Admission fee charged = $3

Cost of each ride = $10

Step-by-step explanation:

Let admission fee charged by amusement park in dollars be =[tex]x[/tex]

Let cost of each ride in dollars be =[tex]y[/tex]

Given:

Admission plus four rides cost $22

If each ride cost in dollars = [tex]y[/tex]

Cost of 4 rides in dollars will be  = [tex]4y[/tex]

So, the total cost in dollars will be given as =[tex]x+4y[/tex]

So, we have

[tex]x+4y=22[/tex]

Admission plus seven ride cost $31.

If each ride cost in dollars = [tex]y[/tex]

Cost of 7 rides in dollars will be  = [tex]7y[/tex]

So, the total cost in dollars will be given as =[tex]x+7y[/tex]

So, we have

[tex]x+7y=31[/tex]

So, we have the system of equation as:

A) [tex]x+4y=22[/tex]

B) [tex]x+7y=31[/tex]

Solving the system by elimination method.

Eliminating [tex]x[/tex] by subtracting equation A from B.

   [tex]x+7y=31[/tex]

- [tex]x+4y=22[/tex]

   -       -      -  [Sign of each term of subtract-ant gets reversed]

-----------------------------

      [tex]3y=9[/tex]

Dividing both sides by 3.

[tex]\frac{3y}{3}=\frac{9}{3}[/tex]

∴ [tex]y=3[/tex]

Plugging in [tex]y=3[/tex] in equation A.

[tex]x+4(3)=22[/tex]

[tex]x+12=22[/tex]

Subtracting both sides by 12.

[tex]x+12-12=22-12[/tex]

∴ [tex]x=10[/tex]

Thus, admission fee charged = $3

Cost of each ride = $10

1. Determine if the set of ordered pairs is a relation or a function.
{(0,0), (0, 2), (0, 3), (0,4)}

Answers

Answer:

This is just a relation.

Step-by-step explanation:

It is easy to see if a set of ordered pairs is a relation or a relation that is a function.

If all the points are distinct, then you just have to look at the [tex]x[/tex]-coordinates.

If all the [tex]x[/tex]-coordinates are different, then it is a function. Otherwise, it is a just a relation.

So this cannot be a function because there is at least two different points that have [tex]x=0[/tex].

Help meee!!!! In this diagram the area of the saller square is .....​

Answers

Answer:

The area of the larger square is 20 [tex]cm^2[/tex]

Step-by-step explanation:

Given:

The area of the smaller square   =  [tex]10 cm^2[/tex]

To Find:

The are of the larger square = ?

Solution:

The diagonal of the smaller square = diameter of the circle = sides of the larger square

The diagonal of the smaller square is

=>[tex]\sqrt{2(10)}[/tex]

=>[tex]\sqrt{20}[/tex]

=>[tex]\sqrt{2\times 2 \times 5}[/tex]

=>[tex]2\sqrt{5}[/tex]

Now this diagonal is equal to the side of the larger square

so the are of the larger square is

=>[tex](2\sqrt{5})^2[/tex]

=>[tex](2\sqrt{5}) \times (2\sqrt{5}) [/tex]

=> 20 [tex]cm^2[/tex]

in a candy store a,$12.00 jar is labeled "37% off what is the discount? what is the sale price of the jar of candy

Answers

Answer:

$7.56

Step-by-step explanation:

37%=0.37

0.37*12=4.44

12-4.44=7.56

Answer:

$7.56

37% of 12= 4.44

12-4.44

Eli rode his dirtbike around a 400 meter track at a constant speed of 1000 meters per minute how many minutes does it take Eli to complete 6 laps of the track​

Answers

It will take Eli 2.4 minutes to complete 6 laps

Step-by-step explanation:

Given

Speed = s = 1000 meters per minute

Length of one lap = 400 meters

We have to compute time for 6 laps,, so we have to find the length of 6 laps combined

[tex]Length\ of\ laps = Length\ of\ one\ lap * 6\\= 400 * 6\\= 2400\ meters[/tex]

So our total distance will be: 2400 meters

using the formula for speed

[tex]s = \frac{d}{t}\\1000 = \frac{2400}{t}\\t = \frac{2400}{1000}\\t = 2.4[/tex]

So

It will take Eli 2.4 minutes to complete 6 laps

Keywords: Speed, distance

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Jennie's car gets 32.4 miles per gallon on the highway. If her car's fuel tank holds 12.7 gallons, how far can she drive on one tank of gas?

Answers

Multiply the miles per gallon by the total gallons:

32.4 x 12.7 = 411.48 total miles.

Answer:

411.48

Step-by-step explanation:

411.48

Higher Order Thinking Jamie says

that 19 - 10 is equal to 20 – 10

because both use subtraction. Is Jamie

correct? Explain why or why not.

**1st grade question**

Answers

Answer: Jamie is incorrect

Step-by-step explanation:

The same number 10 is subtracted from both numbers 19 and 20. There result will only be the same if both numbers are equal.

We compare both numbers;

19 and 20

On the number line 19 comes before 20, which means 20 is greater than 19. Hence the result of subtracting the same number 10 from both of them cannot be the same.

So Jamie is incorrect.

Answer:

she is wrong 19-10 equals to 9

Step-by-step explanation:

you subtract 19 from 10 and get 9:)

Jamal bought 2 pounds of red apples and 3.2 pounds of green apples from a grocery store, where both kinds of apples are $1.65 a pound. How much did Jamal spend on apples? PLEASE HELP :(

Answers

In this question, we're trying to find out how much Jamal spent on apples.

We know that he bought 2 pounds of red apples and 3.2 pounds of green apples.

We also know that each pound of apples, no matter what kind it is, are $1.65 a pound.

In order to find the total cost of these apples, we would need to multiply the amount of pounds he has to the cost per pound.

Solve:

2 · 1.65 = 3.3‬0

3.2 · 1.65 = 5.28‬

Add those numbers together:

5.28‬ + 3.30 =  8.58‬

This means that Jamal spent $8.58‬ on apples.

Answer:

$8.58‬

Answer:

$8.58‬

Step-by-step explanation: this ok?

Write an inequality to describe the relationship between -1 2/3 and - 1/4

Answers

Answer:

- 1 2/3 < 1/4

Step-by-step explanation:

hope this helps!!

Final answer:

The relationship between the numbers -1 2/3 and -1/4 in an inequality is -1 2/3 > -1/4. This is because -1 2/3 is closer to zero than -1/4, meaning in the negative number line, -1 2/3 is greater than -1/4.

Explanation:

To create an inequality that describes the relationship between the given numbers, -1 2/3 and -1/4, first convert them into the same form. Both of these numbers are negative, but -1 2/3 is greater because it is closer to zero.

So the inequality which represents this relationship is -1 2/3 > -1/4.

Let's convert them into improper fractions to make it easier to understand.

So, -1 2/3 becomes -5/3 and -1/4 remains the same as -1/4. Hence our inequality becomes -5/3 > -1/4, which confirms that -1 2/3 is greater than -1/4.

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Harita must memorize 90 measures of music for her cello solo at a concert. She plans on memorizing 18 new measures for
every 3 days of practice. Which equation can be used to determine m, the number of measures Harita still needs to
memorize, as a function of d, the number of days of practice since she began learning the piece?
Om = 72 - 150
Om= 90 - 60
Om = 101 - 210
Om= 108 - 3d
What is d?

Answers

m = 90 - 6d is the equation to determine m, the number of measures Harita still needs to  memorize, as a function of d, the number of days of practice since she began learning the piece

Solution:

Given that Harita must memorize 90 measures of music for her cello solo at a concert

To find: equation to determine m, the number of measures Harita still needs to  memorize, as a function of d, the number of days of practice since she began learning the piece

Let "m" be the number of measures Harita still needs to  memorize

Let "d" be the number of days of practice since she began learning the piece

Given that She plans on memorizing 18 new measures for  every 3 days of practice

Rate per day is given as:

[tex]\frac{18}{3} = 6[/tex]

Therefore she memorises 6 per day

Therefore, the equation that relates 'm' to 'd' is:

m = total measures of music she must memorise - (number of measures she memorises per day x d)

m = 90 - 6(d)

m = 90 - 6d

Thus the required equation is found

Answer:

m = 90 - 6d is the equation to determine m, the number of measures Harita still needs to  memorize, as a function of d, the number of days of practice since she began learning the piece

Step-by-step explanation:

Ribbon a is 1/3. M long. It is 2/5 M shorter than ribbon B. How long is Ribbon B?

Answers

Ribbon B is [tex]\frac{11}{15}[/tex] meters long

Solution:

Given that,

Ribbon A is 1/3 meter long. It is 2/5 meter shorter than ribbon B

To find: length of Ribbon B

From given information in question,

Length of Ribbon A = [tex]\frac{1}{3} \text{ meter }[/tex]

Length of Ribbon A is 2/5 meter shorter than ribbon B

Therefore we can say,

Length of Ribbon A = length of ribbon B - [tex]\frac{2}{5}[/tex]

[tex]\frac{1}{3} = \text{ length of ribbon B } -\frac{2}{5}\\\\\text{length of ribbon B } = \frac{1}{3} + \frac{2}{5}\\\\\text{length of ribbon B } = \frac{ 5 + 6}{15} = \frac{11}{15}[/tex]

Therefore ribbon B is [tex]\frac{11}{15}[/tex] meters long

I don’t understand this help please

Answers

Answer:

  9

Step-by-step explanation:

The first simplification we can make is to replace 6^0 with 1.

The first rules of exponents we can apply are ...

  (a·b)^c = a^c·b^c . . . . . . similar to the distributive property

  (a^b)^c = a^(b·c)

This reduces your expression to ...

  [tex](2^8\cdot 3^{-5})^{-2}\cdot\left(\dfrac{3^{-2}}{2^3}\right)^4\cdot 2^{28}=2^{8(-2)}\cdot 3^{-5(-2)}\cdot\dfrac{3^{-2(4)}}{2^{3(4)}}\cdot 2^{28}\\\\=2^{-16}\cdot 3^{10}\cdot\dfrac{3^{-8}}{2^{12}}\cdot 2^{28}[/tex]

Now we can apply another two rules of exponents:

  (a^b)(a^c) = a^(b+c)

  1/a^b = a^-b

Using these, we have ...

  [tex]=2^{-16-12+28}\cdot 3^{10-8}\\\\=2^0\cdot 3^2\\\\=1\cdot 9=9[/tex]

The value of the expression is 9.

The diagram below shows twelve 30-60-90 triangles placed in a circle so that the hypotenuse of each triangle coincides with the longer leg of the next triangle. The fourth and last triangle in this diagram are shaded. The ratio of the perimeters of these two triangles can be written as m/n where m and n are relatively prime positive integers. Find m + n

Answers

Answer:

m+n = 337

Step-by-step explanation:

Lets start from the first triangle, It is given to be as 30-60-90.

The hypotenous of first rectangle be 2x, then other sides are by default x and

[tex]\sqrt{3}(x)[/tex] , using laws of trigonometry.

(sin(30) = 0.5  and cos(30) = [tex]\frac{\sqrt{3}}{2}[/tex])

The perimeter of first triangle is ,

= [tex]2x + x + \sqrt{3}(x) = x(3+\sqrt{3}) = \sqrt{3}x(1+\sqrt{3})[/tex]

Now, for second triangle, the longer leg is 2x, and similarly again,

other 2 sides are [tex]\frac{2x}{\sqrt{3}}  and \frac{4x}{\sqrt{3}}[/tex].

Again the perimeter of triangle comes out as,

= [tex]\sqrt{3}(x)(1+\sqrt{3})(\frac{2}{\sqrt{3}})[/tex]

Thus, the repeating pattern is identified. The consecutive perimeters differ by, multiplying by factor [tex]\frac{2}{\sqrt{3}}[/tex]

Thus, we can say that perimeter of 4th triangle is,

= [tex](\frac{2}{\sqrt{3}})^{3}(X)[/tex], where X is the repeating constant.

And of 12th triangle is,

= [tex](\frac{2}{\sqrt{3}})^{11}(X)[/tex],

Evaluating the above ratio, we get,

= [tex]\frac{81}{256}[/tex]

Thus, m =256 and n=81.

Thus, m+n = 256+81 = 337.

Jessica is a custodian at Oracle arena. She waxes 20 mi squared of the floor 3/5 of an hour. Jessica waxes the floor at a constant rate. At this rate how many square meters can she wax per hour.

Answers

The correct answer is:

Jessica can wax approximately 34,533,185 square meters per hour at her constant rate of waxing the floor.

To find out how many square meters Jessica can wax per hour, we first need to convert the square miles to square meters, then divide by the time taken.

1. Convert square miles to square meters:

  Since 1 mile = 1609.34 meters, to convert square miles to square meters, we square this conversion factor:

[tex]\[ 1 \text{ mile}^2 = (1609.34)^2 \text{ meters}^2 \] \[ 1 \text{ mile}^2 = 2,589,988.36 \text{ meters}^2 \][/tex]

  So, 20 square miles would be:

[tex]\[ 20 \text{ miles}^2 \times 2,589,988.36 \text{ meters}^2/\text{mile}^2 = 51,799,767.2 \text{ meters}^2 \][/tex]

2. Calculate the rate per hour:

  Jessica waxes 20 square miles in [tex]\( \frac{3}{5} \)[/tex] of an hour.

  So, her rate per hour is:

 [tex]\[ \frac{20 \times 2,589,988.36}{\frac{3}{5}} \text{ meters}^2/\text{hour} \][/tex]

  To simplify the calculation, we'll first find the reciprocal of [tex]\( \frac{3}{5} \): \[ \frac{1}{\frac{3}{5}} = \frac{5}{3} \][/tex]

  Now, we multiply the reciprocal by 20 square miles:

 [tex]\[ 20 \times 2,589,988.36 \times \frac{5}{3} \text{ meters}^2/\text{hour} \] \[ \text{meters}^2/\text{hour} = 34,533,184.8 \][/tex]

So, Jessica can wax approximately [tex]\( 34,533,184.8 \)[/tex] square meters per hour at her constant rate.

standard form Ax+By=C
x-3y=-6

Answers

Explanation:

The equation is already in standard form.

A is 1. The number 1 is often unwritten.

B is -3. The negative or positive sign is included with the equation.

C is -6. (If using this for the quadratic formula, c is actually 6 because the equation should equate to 0).

Maria finds a local gym that advertises 102 training sessions for $767. Find the cost of 117 training sessions.

Answers

Answer:

$986

I attempted to do the simple math. I feel brain dead right now.  

Circles!!! NEED HELP!!!

Picture:

Answers

Answer: [tex]x=105\°[/tex]

Step-by-step explanation:

You can identify from the given figure that the angle  that measures 70 degrees is formed by two intersecting Chords.

It is important to remembe that, by definition:

[tex]Angle\ Formed\ by\ Two\ Chords =\frac{1}{2}(Sum\ of\ Intercepted\ Arcs)[/tex]

Based on this, you know that:

[tex]70\°=\frac{35\°+x}{2}[/tex]

Having this equation, the final step is to solve for "x" in order to find its value. You get that this is:

[tex](70\°)(2)=35\°+x\\\\140\°=35\°+x\\\\140\°-35\°=x\\\\x=105\°[/tex]

would some one please solve part A for me I have been try to solve it for a while thank you very much .​

Answers

Step-by-step explanation:

4x + 10 = 32

4x = 32 - 10

4x = 22

x = 11/2

if we add 4 to both sides of the equation :

4x + 10 + 4 = 32 + 4 4x + 14 = 36

4x = 36 - 14 4x = 22 and x = 11/2

as you can see the value for x didn't change because when we add/subtract or multiple/divide same number from both sides of an equation the result won't change.


Select the correct answer from each drop-down menu.
In the figure, AC and BD bisect each other. Complete the statements to prove that quadrilateral ABCD is a parallelogram.

Reason options for 3rd statement:
•Alternate Interior Angles Theorem
•Vertical Angles Theorem
•Alternate Exterior Angles Theorem

Reason options for 9th statement:
•Converse of Alternate Exterior Angles Theorem
•Converse of Alternate Interior Angles Theorem
•Converse of Corresponding Angles Theorem
•Converse of Exterior angle theorem

Answers

Answer:1Vertical angles theoram

Step-by-step explanation:2 coverse of alternate interior angles theoram

Answer:

1. Reason options for 3rd statement:

Alternate Interior Angles Theorem

2.Reason options for 9th statement:

Converse of Alternate Interior Angles Theorem

Step-by-step explanation:


A person invests 3000 dollars in a bank. The bank pays 5.75% interest compounded annually. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 7200 dollars?

Answers

Answer:

15.7 years

Step-by-step explanation:

Use the formula for compound interest. A = P(1 + i)ⁿ

A is the total amount of money. A = 7200

P is the principal, starting money. P = 3000

i is the interest per compounding period in decimal form. Since interest is compounded annually, i = 0.0575

n is the number of compounding periods. n = ?

Substitute the information into the formula and isolate n.

A = P(1 + i)ⁿ

7200 = 3000(1 + 0.0575)ⁿ    Solve inside the brackets

7200 = 3000(1.0575)ⁿ

7200/3000 = 1.0575ⁿ       Divide both sides by 3000

2.4 = 1.0575ⁿ

n = (㏒ ans) / (㏒ base)

n = (㏒ (2.4)) / (㏒ (1.0575))

n = 15.659.....     Exact answer

n ≈ 15.7       Rounded to the nearest tenth of a year

Therefore the person must leave the money in the bank for 15.7 years until it reaches 7200 dollars.

Giulia is playing a game with 6 cards: 4 kings, 1 queen, and 1 jack. She draws 1 card out of the stack of cards, replaces it, and then draws another card.


What is the probability that she will draw a king and then a jack, P(king, then jack)?

Answers

Answer: 1/9

Step-by-step explanation:

Total number of cards = 6

Probability = required outcome/ all possible outcome

number of kings=4

number of jack=1

Probability of drawing a king = 4/6

probability of drawing a jack = 1/6

Probability of drawing a king and then a jack is p(king and jack) = p(king) × p(jack) = 4/6 × 1/6 = 4/36

= 1/9

Answer:

1/9

thats all

Step-by-step explanation:

The perimeter of a rectangle with a length of 10 cm is 32 cm.

What is the width of the rectangle?


A. 6 cm

B. 10 cm

C. 12 cm

Answers

Answer:

32=2(10+x)

32=20+2x

2x=12

x=6

therefore breadth is 6 cm

area=l×b

10×6=60

Step-by-step explanation:

Peggy is thinking of a number such that when twice the number is added to three times one more than the number she gets the same result as when she multiplies four times one less than the number. What number is Peggy thinking of?

Answers

Answer:

-7

Step-by-step explanation:

Lets assume the number Peggy is thinking of be "x".

Now as given, when twice the number is added to three times one more than the number. We can write it as

∴ [tex]2x+3(x+1)[/tex]--- Equation 1

Again, it is given that Peggy gets the same result as when she multiplies four times one less than the number.

∴ [tex]4(x-1)[/tex]-- equation 2

Next, we can equate both the equation 1 and 2 as it is given that result is same.

[tex]2x+3(x+1)= 4(x-1)[/tex]

Let´s distribute 3 into [tex](x+1)[/tex] and 4 into [tex](x-1)[/tex]

⇒ [tex]2x+3x+3=4x-4[/tex]

⇒ [tex]5x+3=4x-4[/tex]

Subtract both side by 4x and 3

∴ [tex]x=-7[/tex]

Peggy was thinking of -7

The total number of restaurant purchased meals that the average person will eat in a restaurant, and a car, or at home in a year is 171 . The total number of these meals eaten in a car or at home exceeds the number eaten in a restaurant by 11. Twenty more restaurant purchased meals will be eating in a restaurant than at home. Find the number of restaurant purchased meals eaten in a restaurant, the number eaten in a car, and the number eating at home.

Answers

Answer:

80 restaurant purchased meals are eaten in a restaurant31 meals are eaten in a car60 meals are eaten at home

Step-by-step explanation:

Let us suppose r be the total number of meals eaten in a restaurant

Let us suppose c be the total number of meals eaten in a car

Let us suppose h be the total number of meals eaten in a home

The total number of meals eaten in a restaurant, in a car or at home is given as 163. Hence, [tex]r + c + h = 171.....[A][/tex]The total number meals eaten in a car or at home exceeds the number eaten in a restaurant by 11. Hence, [tex]c + h = r + 11.....[B][/tex]Twenty more restaurant-purchased meals will be eaten in a restaurant than at home. Hence, [tex]r = h + 20.....[C][/tex]

Substituting Equation [B] into [A],

[tex]r + c + h = 171.....[A][/tex]

[tex]r + r + 11 = 171[/tex]

[tex]2r + 11 = 171[/tex]

[tex]2r = 160[/tex]

[tex]r = 80[/tex]

Putting [tex]r = 80[/tex] in [tex]r = h + 20.....[C][/tex]

[tex]80 = h + 20[/tex]

[tex]h = 60[/tex]

Putting [tex]r = 80[/tex] and [tex]h = 60[/tex] in [tex]r + c + h = 171.....[A][/tex]

[tex]80 + c + 60 = 171[/tex]

[tex]c = 171 - 60 - 80[/tex]

[tex]c = 31[/tex]

Therefore,

80 restaurant purchased meals are eaten in a restaurant31 meals are eaten in a car60 meals are eaten at home

Verification:

[tex]r + c + h = 171[/tex]

Putting [tex]r = 80[/tex], [tex]c = 31[/tex] and [tex]h = 60[/tex] in [tex]r + c + h = 171[/tex]

[tex]80 + 31 + 60 = 171[/tex]

[tex]171 = 171[/tex]

Keywords: number, equation

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