2 years ago

Select the true inequality 1.9<.19 , .29>.3, .6<2.07, or 2.15>2.2

Mathematics

1 answer:

n200080 [17]2 years ago

7 0

6 <2.07 I believe have a nice day

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if the ratio of the volume of two cubes is 1 : 8 , then find the ratio of the total surface area of the two cubes

vivado [14]

Answer:

V = L^3 where v is volume and L the length of one side

A = 6 * L^2 total area of cube with side L

A = 6 * V^2/3 area of cube expressed in V

A2 / A1 = (V2 / V1)^2/3 6 cancels

A2 / A1 = 8^2/3 = 4 ratio of areas

3 0

3 years ago

I need help on this question pls

Ivanshal [37]

Answer:

t = 17.5 f = 12

Step-by-step explanation:

If MNOP is a square, you know that each angle is going to be 90°. To solve, let's first set each equation equal to 90°:

$90 = 4t + 20$

and

$90 = 7f + 6$

Then solve both equations:

$90 = 4t + 20 \\ 70 = 4t \\ 17.5 = t$

and

$90 = 7f + 6 \\ 84 = 7f \\ 12 = f$

I hope that helps!

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2 years ago

!/8 pound of fertilizer covers 25 square feet of ground, how much fertilizer, in pounds, is needed to cover 1 square foot ground

suter [353]

Answer:

1/200 pounds

Step-by-step explanation:

Given ratio

1/8 pound ⇔ 25 square feet

To find

x ⇔ 1 square foot

Divide both sides by 25

1/8÷25 pounds ⇔ 25÷25 square feet
1/200 pounds ⇔ 1 square foot

3 0

2 years ago

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Mrs. Harrison borrows $600 to pay for a new phone. The simple interest on the loan is 9% for one year.

Lelu [443]

Answer:

$654

Step-by-step explanation:

600*1.09=654

6 0

3 years ago

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Rectangle ABCD is similar to rectangle QRST. The width of ABCD is 5 inches and the length is 8 inches. If the length of QRST is

omeli [17]

Answer: 7.5

Form your proportion. Let x be the width of QRST.

Length of ABCD Length of QRST
----------------------- = -------------------------
Width of ABCD Width of QRST

8/5 = 12/x

Solve for x by cross-multiplying.
(8)(x) = (12)(5)
8x = 60
x = 7.5

8 0

3 years ago