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3 years ago

10

The perimeter, P, of a rectangle is equal to twice the sum of the length and width of the rectangle. Determine the width of a re

ctangle with a perimeter of 34 inches and a length of 5 inches. In your final answer, include all necessary calculations.

1 answer:

svetoff [14.1K]3 years ago

7 0

Answer:

12 inches

Step-by-step explanation:

5 + 5 = 10

34 - 10 = 24

24 ÷ 2 = 12

Therefore, the answer is 12 inches.

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7 qt. of a 27% saline solution was mixed

mamaluj [8]

Answer:

24% saline

Step-by-step explanation:

Find how much saline is in both solutions:

7(0.27)

= 1.89

3(0.17)

= 0.51

Add this together:

1.89 + 0.51

= 2.4

Since there are 10 quarts in total, the concentration of the mixture can be found by dividing 2.4 by 10:

2.4/10

= 0.24

So, the concentration of the mixture is 24% saline

4 0

3 years ago

Find the Total Surface area of a Pyramid. Its base is a regular hexagon 4cm on a side. its height is 8 cm. Round off to nearest

oksano4ka [1.4K]

Answer:

The total surface area of a regular hexagonal pyramid is 146.2 cm².

Step-by-step explanation:

The base is a regular hexagon 4cm on a side. its height is 8 cm.

The total surface area of a pyramid with regular hexagon base

$A=\frac{3\sqrt{3}}{2}a^2+3a\sqrt{h^2+\frac{3a^2}{4}$

Where, a represents the base edge and h represents the height of the pyramid.

The area of given regular hexagonal pyramid is

$A=\frac{3\sqrt{3}}{2}(4)^2+3(4)\sqrt{(8)^2+\frac{3(4)^2}{4}$

$A=\frac{3\sqrt{3}}{2}(16)+12\sqrt{64+12}$

$A=24\sqrt{3}+12\sqrt{76}$

$A=146.182794027$

$A=146.2$

The total surface area of a regular hexagonal pyramid is 146.2 cm².

8 0

3 years ago

Please help I have to turn this in by the end of the night

dedylja [7]

Answer:

3 subtracted from the product of 7 and a number b

3 subtracted= -3

product of 7 and a number b= 7b

put those together:

7b-3

hope this helps, also what grade is this

3 0

3 years ago

Use inverse operations to solve each equation. Explain each step and identify the property used to reach each step.

maks197457 [2]

Hello,

The inverse operation's are easy.

is would be h/3-8=19

Hope this helps

5 0

3 years ago

Read 2 more answers

Please help I need to get this done

satela [25.4K]

Answer:

Your answer is drawn in the picture.

Step-by-step explanation:

Solve for <Q and then figure out which degree is bigger which mean that degree's side is big.

3 0

2 years ago