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3 years ago

Foiuhgfdknsmlaeszxcyfvugbihnoj

Mathematics

1 answer:

Degger [83]3 years ago

5 0

Bufjfjfmfmgmbbbjbjbubbubububububehiveg veto veto so 5+2=7

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What is 9/10 of a yard

igor_vitrenko [27]

(9/10)x3 feet
= (9/10)x36 inches
= 32.4 inches

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3 years ago

Evaluate the expression 2m + n for m = 17 and n = 8.

iragen [17]

Answer - 42

Expression Evaluated - 2 Times 17 Plus 8

We take the M and the N and substitute 17 for M and 8 for N, then we solve the problem.

Best Of Luck,

- Ari -

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3 years ago

Which sentence can be represented by the equation 3/5m=15

NeTakaya

Three- Fifth of m is equal to 15

Step-by-step explanation:

Step 1:

Here the expression given is

3/5 m = 15

Step 2:

To express the equation in terms of sentence,

THREE-FIFTH OF M IS EQUAL TO 15

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3 years ago

Find the circumference of the circle. Then, find the length of each bolded arc. Use appropriate notation

Vaselesa [24]

Answer:

$\text{1) }\\\text{Circumference: }24\pi \text{ m}},\\\text{Length of bolded arc: }18\pi \text{ m}\\\\\text{3)}\\\text{Circumference. }4\pi \text{ mi},\\\text{Length of bolded arc: } \frac{3\pi}{2}\text{ mi}$

Step-by-step explanation:

The circumference of a circle with radius $r$ is given by $C=2\pi r$ . The length of an arc is makes up part of this circumference, and is directly proportion to the central angle of the arc. Since there are 360 degrees in a circle, the length of an arc with central angle $\theta^{\circ}$ is equal to $2\pi r\cdot \frac{\theta}{360}$ .

Formulas at a glance:

Circumference of a circle with radius $r$ : $C=2\pi r$
Length of an arc with central angle $\theta^{\circ}$ : $\ell_{arc}=2\pi r\cdot \frac{\theta}{360}$

Question 1:

The radius of the circle is 12 m. Therefore, the circumference is:

$C=2\pi r,\\C=2(\pi)(12)=\boxed{24\pi\text{ m}}$

The measure of the central angle of the bolded arc is 270 degrees. Therefore, the measure of the bolded arc is equal to:

$\ell_{arc}=24\pi \cdot \frac{270}{360},\\\\\ell_{arc}=24\pi \cdot \frac{3}{4},\\\\\ell_{arc}=\boxed{18\pi\text{ m}}$

Question 2:

In the circle shown, the radius is marked as 2 miles. Substituting $r=2$ into our circumference formula, we get:

$C=2(\pi)(2),\\C=\boxed{4\pi\text{ mi}}$

The measure of the central angle of the bolded arc is 135 degrees. Its length must then be:

$\ell_{arc}=4\pi \cdot \frac{135}{360},\\\ell_{arc}=1.5\pi=\boxed{\frac{3\pi}{2}\text{ mi}}$

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3 years ago

What is 3 days to 1 week expressed as a ratio

saw5 [17]

Answer:

3:1?

Step-by-step explanation:

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3 years ago