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3 years ago

A cube has 1000 cubic inches what is the length

Mathematics

1 answer:

Airida [17]3 years ago

5 0

Answer:

10inches

Step-by-step explanation:

The formula for volume of a cube is length times width times height and since this is a cube, we know all these numbers are the same. 10 times 10 times 10 =1000 so the length is 10(the width and height are also 10)

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The circumference of a circle is 22 cm.

valkas [14]

$\bf \: Circumference \: of \: a \: circle = 2\pi \: r$

$\implies22 = 2 \times \dfrac{22}{7} r$

$\implies22 = \dfrac{44}{7} \times r$

$\implies \: r = \dfrac{22 \times 7}{44}$

$\implies \boxed{ r = \dfrac{7}{2} }$

Now,

$\bf \: Area \: of \: circle = \pi {r}^{2}$

$\rightarrow \: \frac{22}{7} \times ({ \frac{7}{2}) }^{2}$

$\rightarrow \frac{22}{ \cancel7} \times \frac{ \cancel{49}}{4}$

$\rightarrow \: 22 \times \frac{7}{4}$

$\rightarrow \: 11 \times \frac{7}{2}$

$\rightarrow \frac{77}{2}$

$\rightarrow \: 38.5 \: cm {}^{2}$

Area of rectangle = 38.5 cm².

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2 years ago

In the diagram, FG=34, GH=288, and HJ=256. Is GH tangent to circle F?

Anastaziya [24]

Answer:

Step-by-step explanation:

If GH is tangent to circle F, then it forms a right angle with FG. Therefore, triangle FGH would be a right triangle and would satisfy Pythagorean theorem.

34² + 256² = 288²

66692 = 82944

The sides are not a Pythagorean triple, so GH is not tangent to the circle.

6 0

3 years ago

What property is illustrated by the statement 2/3 x 3/2 =1

Mariulka [41]

Answer:

Multiplicative inverse or reciprocal.

Step-by-step explanation:

Multiplicative inverse or reciprocal.

6 0