3 years ago

I believe I know the answer but, I need a second opinion.

Mathematics

1 answer:

Neporo4naja [7]3 years ago

8 0

Should be 12.5, i think

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The diameter of a circle is 3.2 meters. Which is the circumference of the circle rounded to the nearest hundredth of a meter?

Paraphin [41]

Answer:

10.05 meters

Step-by-step explanation:

If the diameter is 3.2 meters, then the radius is 1.6 meters.

Use the circumference formula, C = 2 $\pi$ r, and solve for C

C = 2 $\pi$ r

C = 2 $\pi$ (1.6)

C = 3.2 $\pi$

C = 10.05

So, to the nearest hundredth of a meter, the circumference is 10.05 meters

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2 years ago

What is the quotient of 2/3/4 ÷ 1/4

yulyashka [42]

Answer:

Step-by-step explanation:

Do kcf (keep,change,flip)

First, covert 2 3/4 into an improper fraction

Then after you do that you get 11/4

so you do the equation 11/4 ÷ 1/4

when you do kcf it would be 11/4 × 4/1=

11/4×4/1=44/4 simplify divide both by 4 = 11

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2 years ago

As an estimation we are told 5 miles is 8 km.<br> Convert 57.5 miles to km.

tester [92]

The answer would be about 93 km in length.

5 0

3 years ago

(1) The point R is halfway between the -6 and -5 on the number line below and represents the number ____. (Use the hyphen for ne

avanturin [10]

-5.5 is halfway between -6 and -5

7 0

2 years ago

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What is the product?

victus00 [196]

Answer:

$\begin{bmatrix}-2\\0 \end{bmatrix}$

Step-by-step explanation:

We have the product, $2\times \begin{bmatrix}-1\\0 \end{bmatrix}$ .

It is known that,

'When we multiply a scalar with a matrix, the scalar is multiplied by each element of the matrix'.

So, we get,

$2\times \begin{bmatrix}-1\\0 \end{bmatrix}$ .

⇒ $\begin{bmatrix}-1\times 2\\0\times 2 \end{bmatrix}$

⇒ $\begin{bmatrix}-2\\0 \end{bmatrix}$

So, the resulting product is $\begin{bmatrix}-2\\0 \end{bmatrix}$ .

8 0

2 years ago

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