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3 years ago

6

Is the number 282.5 the same as 282.50?

2 answers:

tatyana61 [14]3 years ago

4 0

Yes because the zero has no value.

WITCHER [35]3 years ago

3 0

Yes it is because in 282.50 the zero has no value.

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What is the approximate diameter of a sphere with a volume of 34 cm

Nutka1998 [239]

Answer:

<h3>The diameter is 4cm</h3>

Step-by-step explanation:

Volume of a sphere is

$V = \frac{4}{3} \pi {r}^{3}$

Where r is the radius

diameter = radius × 2

To find the diameter we must first find the radius

Volume = 34cm³

That's

$34 = \frac{4}{3} \pi {r}^{3} \\ \\ 34 \times 3 = 4\pi {r}^{3} \\ \\ 102 = 4\pi {r}^{3} \\ {r}^{3} = \frac{102}{4} \pi \\ \\ r = \sqrt[3]{ \frac{51}{2\pi}} \\ \\ r = 2.01 \\ \\ r = 2.0 cm$

Diameter = 2 × 2cm

<h3>= 4cm</h3>

Hope this helps you

6 0

2 years ago

How many blocks fill this prism?

zaharov [31]

Answer : 72 blocks

To find the answer, you have to find the volume of the prism. To find the volume you multiply the length, width, and height.

6 x 3 x 4 = 72

This gives you 72 blocks.

3 0

3 years ago

Will mark brainllest

telo118 [61]

a) The halfway number is $\frac{-4.5}{10}$ .

b) The ascending order is $\frac{-1}{2}$ , $\frac{-4.5}{10}$ and $\frac{-2}{5}$ .

<u>Step-by-step explanation:</u>

a)Halfway number is otherwise Middle number.

The halfway number of two numbers = $\frac{sum of two numbers}{2}$ .

The halfway for $\frac{-2}{5}$ and $\frac{-2}{5}$ = $\frac{\frac{-2}{5}+ (\frac{-1}{2})}{2}$ .

= $\frac{-2}{5}+ (\frac{-1}{2})$ .

= $\frac{-4-5}{10}$ .

= $\frac{-9}{10}$ .

∴Halfway = $\frac{\frac{-9}{10} }{2}$ .

= $\frac{-4.5}{10}$

The halfway for $\frac{-2}{5}$ and $\frac{-1}{2}$ = $\frac{-4.5}{10}$ .

b) The ascending order is $\frac{-1}{2}$ , $\frac{-4.5}{10}$ and $\frac{-2}{5}$ .

7 0

3 years ago

Akiko is making a pizza. The radius of the pizza is 19 inches. What is the circumference of the pizza (use 3.14 for pi and round

RideAnS [48]

Answer:

≈119.3

Step-by-step explanation:

The area for circumference is as follows:

$C = 2\pi r\\or\\C = d\pi$

The above equations mean the same thing, because the diameter is just 2 times the radius.

Anyhow, we insert this value into the equation...

$C = 2\pi(19)\\C = 38(3.14)\\C = 119.32\\$

This rounds to:

≈119.3

5 0

3 years ago

The area of a circle is 4π square kilometers. What is the radius? Write your answer in simplest form.

Mariana [72]

Answer:

2 km

Step-by-step explanation:

4π = π × r²

r² = 4

r = 2

7 0

3 years ago