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Gwar [14]
2 years ago
13

Evaluate 2x2y3 when x=2\3 and y=1\2

Mathematics
1 answer:
Evgesh-ka [11]2 years ago
5 0

Answer:

The answer is 4

Step-by-step explanation:

2(2/3)2(1/2)3

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Answer:

Simplify the expression.

12xy−72yexponent 2 -6x

Step-by-step explanation:

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3 years ago
Joan drew a rectangle that is 4 centimeters by 10 centimeters. It has an area of 40 square centimeters and a perimeter of 28 cen
matrenka [14]
Hello!

First you find what numbers give you the same perimeter

9 + 9 + 6 + 6 = 30

5 + 5 + 8 + 8 = 26

7 + 7 + 4 + 4 = 22

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3 years ago
There are two numbers. The first number minus the second number is 15. One-third of the sum of the numbers is one quarter of the
disa [49]

Answer:

So the numbers are 12 and -3.

Step-by-step explanation:

In order to solve this problem we will attribute variables to the numbers, the first one will be "x" and the second one will be "y". From the first sentence we know that the subtraction of the two numbers is equal to 15, so we have:

x - y = 15

Then the problem states that one-third of the sum of the number is equal to one quarter of the first number, so we have:

(1/3)*(x+y) = x/4

Since we now have two equations and two variables we can solve for x and y. From the first equation we have:

y = x - 15

Using this expression for the value of y in the second equation:

(1/3)*(x + x - 15) = x/4

(1/3)*(2*x - 15) = x/4

2*x - 15 = 3*x/4

2*x - 3*x/4 = 15

(8*x - 3*x)/4 = 15

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5*x = 60

x = 60/5 = 12

y = x - 15 = 12 - 15 = -3

So the numbers are 12 and -3.

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2 years ago
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Suppose the price of admission to the state fair is $9.50, and each ride costs an additional $2.25.
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Answer:

C

Step-by-step explanation:

You need to multiply the variable by how much each ride costs.

3 0
2 years ago
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