3 years ago

HALPPPP PLEASEEEE 35 POINTSS :D

Mathematics

2 answers:

mars1129 [50]3 years ago

8 0

Answer:

15.70796

Step-by-step explanation:

Hope this helps! I figured it out on a calculator. :)

miss Akunina [59]3 years ago

7 0

Answer:

Step-by-step explanation:

15 somthing somthihng

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Rewrite each expression more simply: 3y + 8y

ELEN [110]

Since they both have the same variable(y) you can add them together like a regular math problem. So:
3y+8y=11y
So your final answer would be 11y.

6 0

2 years ago

CAN SOMEONE PLEASE WRITE AN EQUATION TO THIS! I WOULD VERY MUCH APPRECIATE IT!

Tresset [83]

Y=-1/3x-4
is that what you meant? as in y=mx+b form?

7 0

2 years ago

You have the cards numbered 1-10 in front of you.Each time you select a card,it is returned.What is the probability of selecting

Tatiana [17]

Answer:

$Both \: the \: moon \: and \: earth \: are \: in \: \\ the \: shape \: of \: spheres. \\ Surface\: area \: of \: a \: sphere \: of \: radius \: 'r' \\$

Let d1 be the diameter of the moon and d2 and be the diameter of the earth.Let r1 be the radius of the moon and r2 be the radius of the earth.

$given \: d1 = \frac{1}{4}d2 \\ = > 2r1 = \frac{1}{4} ×2r2 \\ =>r1 = \frac{1}{4}×r2 \\ Now, \: ratio \: of \: \: their \: surface \: areas \: is: \\ = s1: s2 \\ = r {1}^{2}: r {2}^{2} \\ = {1}^{2 } : {4}^{2 } \\ =1:16$

hope it helps you

8 0

1 year ago

Multiply each equation by a constant that would help to eliminate the y terms.

ser-zykov [4K]

Answer:

multiply first equation with 3 and second equation with 5

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2 years ago

Matt cut a circle into 8 equal sections he drew an angle that measures the same as the total measure of the angle Matt drew?

professor190 [17]

The answer is 135°.

The circle has 360°. If it is divided into 8 equal sections, the measure of the angle of each section is 45°:
360° / 8 = 45°

Matt drew an angle that measures the same as the total measure of the 3 sections in the circle. So, the measure of the angle Matt drew is 135°:
3 * 45° = 135°

7 0

2 years ago