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tamaranim1 [39]
3 years ago
8

Can someone help me please

Mathematics
1 answer:
DiKsa [7]3 years ago
3 0

Answer:

A

Step-by-step explanation:

When 5 goldfish were added, the cost increased by $1.50, so we can divide 150/5 to find the increase of cost from one goldfish which is 30 cents.

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if the area of a rectangle is represented by 25x^3y^6 and its width is represented by 10xy, express the length of the rectangle
iren [92.7K]

The length of the rectangle in terms of x and y, given that its area is represented by 25x³y⁶ and its width is represented by 10xy is <u>2.5x²y⁵</u>.

The area of a figure is the total space enclosed in two dimensions within its boundary.

The area of a rectangle is given as, area = length*width.

In the question, we are given that the area of a rectangle is represented by 25x³y⁶ and its width is represented by 10xy, and are asked to express the length of this rectangle in terms of x and y.

We know that the area of a rectangle is given as, area = length*width.

Substituting the known values in the equation, we get:

25x³y⁶ = length*10xy.

Rearranging this equation, we get:

length = 25x³y⁶/10xy = (5x²y⁵)/2 = 2.5x²y⁵.

Thus, the length of the rectangle in terms of x and y, given that its area is represented by 25x³y⁶ and its width is represented by 10xy is <u>2.5x²y⁵</u>.

Learn more about the area of a rectangle at

brainly.com/question/11435713

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3 0
2 years ago
Is 13/7 a rational number? how do you know?
bija089 [108]

Answer:

The fraction 13/7 is a rational number. Both 13 and 7 are integers (whole numbers), so by definition, 13/7 is a rational number

5 0
3 years ago
what is [(7 raised to -1 - 8 raised to -1) whole raised to -1] -[(3 raised to -1 - 4 raised to -1) whole raised to -1] pls say f
soldier1979 [14.2K]

Step-by-step explanation:

7 raised to -1 - 8 raised to -1 whole raised to -1 is 56

3 raised to -1 - 4 raised to -1 whole raised to -1 is 12

8 0
3 years ago
79.2 is 90% of what<br> number?
serious [3.7K]

Answer:

<h2><u><em>88</em></u></h2>

Step-by-step explanation:

Let x be the number we're looking for.

So, 90% of x is equal to 79.2.

This can be written as: 0.90x = 79.2.

Divide both sides by 0.90 and you have your answer of x=88.

5 0
3 years ago
Find the value of each power (1.2)^2
egoroff_w [7]

Answer:

1.44

Step-by-step explanation:

To solve this problem all you have to do is multiply the number in the parentheses the number of times the exponent is.

1.2 x 1.2 = 1.44

Hope this helps :)

3 0
3 years ago
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