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3 years ago

The area of the rectangle is 56 units. What is the width, in units, of the rectangle

Mathematics

1 answer:

WARRIOR [948]3 years ago

5 0

The answer is 40 units

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The sum of 13 and 3 times a number is 31. What is the number?

laiz [17]

Answer:

Step-by-step explanation:

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3 years ago

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Find the measure of the missing angles.

hichkok12 [17]

Answer:

d=52 e=77 f=51

Step-by-step explanation:

The opposite side of 52 is 52 because they are intersecting 1dk, same thing with 77, and when you have both of those just add all the angles and subtract it from 360

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A machine can weave 40 inches of fabric in 12 minutes. How long will it take for the machine to weave 100 inches of fabric?

Lostsunrise [7]

40/12 = 100/x
Cross-multiply and get:
40x = 1200

Divide both sides by 40:
x = 30
It will take 30 minutes for the machine to weave 100 inches of fabric.

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3 years ago

What is the 18th partial sum of this geometric series 200, 100, 50

In-s [12.5K]

Answer:

515

Step-by-step explanation:

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4 years ago

Please help me on this question (answer all parts please)

ozzi

SOLUTION:

Case: Volume of Sphere

Method:

a) The volume of a sphere whose diameter, d= 28in

The radius,

r= 28/2

r= 14 in

The Volume, therefore:

$\begin{gathered} V=\frac{4}{3}\pi r^3 \\ V=\frac{4}{3}\pi\times14\times14\times14 \\ V=11494.04\text{ }cubic\text{ }inches \end{gathered}$

b) When half of the volume is used,

$\begin{gathered} V=\frac{1}{2}V_0 \\ V=\frac{1}{2}\times11494.04 \\ V=5747.02\text{ }cubic\text{ }inches \end{gathered}$

c) The radius of the halved volume

$\begin{gathered} V=\frac{4}{3}\pi r^3 \\ 5747.02=\frac{4}{3}\pi r^3 \\ r^3=\frac{3\times5747.02}{4\pi} \\ r^3=1372 \\ r=\sqrt[3]{1372} \\ r=11.11\text{ }inches \end{gathered}$

Final answer: (To 2 d.p)

a) 11494.04 cubic inches

b) 5747.02 cubic inches

c) 11.11 inches

5 0

2 years ago