A rectangle is three times as long as it is wide. If the total area of the rectangle is 48 square inches, what is the length of the rectangle?

Answers

Answer 1

Answer: Hey Inderpreet!

To find the area of a rectangle, you must multiply the length by the width.
A= L*w, L= 3w
A=3w*w
48 = 3w*w
48=3w^2
48/3 = w^2
16= w^2
squareroot of 16 = w
w= 4
plug 4 back in the equation of L= 3w
3(4) = 12
If the Area is equal to 48, and the length is three times the width, then the length must be equal to 12 inches, while the width is equal to 4.

Hope this helps!

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Eli has $148 in the bank. He deposits $8 at the end of each week. Peyton has $260 in the bank. He withdraws $6 at the end of each week. How many weeks will it take for them to have the same amount in the bank?

Answers

It would take 8 weeks for them to have the same amount in the bank.

$148 +$8 every week: $260 -$6 every week:

Week 1: $156 $254

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at a concession, stand seven hotdogs and two hamburgers cost $12.75; two hot dogs and seven burgers cost $16.50. find the cost of one hot dog and one burger.

Answers

The answer is $2.25 for the hamburger and $1.25 for the hot dog. I think my answer is right. hope it helps!!

Mrs Thomas played a game. Her score changed the same amount each round. After 3 rounds, her score had changed by -18 points. How much did her score change during each round?

Answers

Answer: -6

Step-by-step explanation: It changed -6 each round because -6x3=-18.\

Hope this helped!

The graph of a function is given. Find the approximate coordinates of all points of inflection of the function (if any). (Assume a = 6.)

Answers

Final answer:

The given function is a straight line and does not have any points of inflection.

Explanation:

In order to find the points of inflection on the graph of a function, we need to find where the concavity changes. Points of inflection occur where the second derivative of the function is equal to zero or undefined.

For this specific function, we are given only a line graph with a slope of 3 and a y-intercept of 9. Since the slope is constant, the function is linear and does not have any inflection points.

Learn more about Points of inflection here:

brainly.com/question/31582579

#SPJ3

inflection point is where the concavity changes
I circled the guess inflection point
and if a=6 units, then the coordinates are (-6,6)

A cube has a side length of x feet. Which expression represents the surface area of the cube? A)4x square units
B)24x square units
C)x2 square units
D)6x2 square units

Answers

The answer is D)6x2 square units.

A surface area of a cube is a sum of its sides' areas. A side of the cube is a square, and there are total 6 sides of the cube. Also, an area of the side of the cube is the area of the square, which can be expressed as a², where a is the length of the side. Therefore, the surface area (SA) of the cube is:
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If side length is x, that means that a = x units.
After replacing it in the formula, you will have:
SA = 6a² = 6x² square units

I hope this helps you

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