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serg [7]
3 years ago
15

A= 1/2(A+B) solve for B

Mathematics
2 answers:
Marrrta [24]3 years ago
5 0
Solve for B by simplifying both sides of the equation, then isolating the variable. So in this case B=A....
Lynna [10]3 years ago
4 0
A = 1/2 (A + B)

distribute the 1/2 into the parentheses

A = 1/2A + 1/2B

Subtract 1/2A from each side

A - 1/2A = 1/2B

Combine like terms

1/2A = 1/2B

Isolate B by dividing each side by 1/2

1/2A ×2/1 = B

Multiply

2/2A = B

A = B


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A rectangular prism has a length of 9 inches and a width of 8 inches. The lateral area is 170 square inches. What is the height
evablogger [386]

Answer:

The height of the prism is 5 inches

Step-by-step explanation:

The rule of the lateral area of the rectangular prism is

L.A = 2(L + W) × H, where

  • L is the length of the base of the prism
  • W is the width of the base of the prism
  • H is the height of the prism

∵ A rectangular prism has a length of 9 inches and a width of 8 inches

∴ L = 9 inches

∴ W = 8 inches

∵ The lateral area of it is 170 square inches

∴ L.A = 170 square inches

→ Substitute them in the rule above to find the height of the prism

∵ 170 = 2(9 + 8) × H

∴ 170 = 2(17) × 5

∴ 170 = 34 × H

→ Divide both sides by 34 to find H

∴ 5 = H

∴ The height of the prism is 5 inches.

3 0
3 years ago
What is +(-4)? I'm taking a test and I would love some help here please
worty [1.4K]

Answer:

4

Step-by-step explanation:

The absolute value is the distance between a number and zero. The distance between  -4 and 0 is 4.

6 0
3 years ago
Read 2 more answers
Round 87,298 to nearest thousand
postnew [5]
Hello!

The answer is 88,000

Hope this helps!
6 0
4 years ago
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Investment: Suppose you receive a gift of $1,000 and decide to open a CD (certificate of
Nina [5.8K]

Answer: 4 years after the original investment, it is approximately $1,093.

Step-by-step explanation:

Hi, to answer this question we have to apply the simple interest formula:  

I = p x r x t

Where:  

I = interest

P = Principal Amount  

r = Interest Rate (decimal form)  

t= years

Replacing with the values given  

I = 1000x (2.25/100) x t

  • It will triple in approximately 3 years. FALSE

I = 1000x (2.25/100) x 3 =67.5

1000+67.5 = 1067.5

  • It will no longer grow after several years: False, it will grow because it has a growth rate.

  • 4 years after the original investment, it is approximately $1,093. TRUE

I = 1000x (2.25/100) x 4 =90

1000+90 = $1090

  • It will double in approximately 10 years.

I = 1000x (2.25/100) x 10 =225

1000+90 = $1225

Feel free to ask for more if needed or if you did not understand something.

4 0
4 years ago
The ratio of two numbers is 3 to 5. Their sum is 136. Find the two numbers. how do I write it into an equation?
kotykmax [81]
3X + 5X = 136
8X = 136
X = 17 
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4 0
3 years ago
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