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3 years ago

Please help me asap!!!

Mathematics

2 answers:

creativ13 [48]3 years ago

8 0

Answer:

The answer is 7!

Step-by-step explanation:

kompoz [17]3 years ago

5 0

Step-by-step explanation:

if p = 0.5, then 8p =4

if q =7, then 3q =21

thus 8p + 3q -18 = 4 + 21 -18 = 7

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MissTica

Answer:

Option B is the correct option.

Step-by-step explanation:

$- \frac{1}{2} + x = - \frac{21}{4}$

Move constant to R.H.S and change its sign:

$x = - \frac{21}{4} + \frac{1}{2}$

Take the L.C.M

$x = \frac{ - 21 + 1 \times 2}{4}$

$x = \frac{ - 21 + 2}{4}$

Calculate

$x = - \frac{19}{4}$

Hope this helps...

Good luck on your assignment..

7 0

3 years ago

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The sum of two numbers is 70. one number is 4 times as large as the other. What are the numbers?

FinnZ [79.3K]

One number is 4 times the other, so x and 4x.

The sum of two numbers is 4x+x=70.

Solve for x to get

x=70/5=14

the other number is 4x=4*14=56

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3 years ago

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The diameter and height of this cylinder are equal to the side length ,S, of the crude in which the cylinder is inscribed.What e

yulyashka [42]

Answer:

Step-by-step explanation:

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2 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 $\theta^{\circ}$ : $\ell_{arc}=2\pi r\cdot \frac{\theta}{360}$