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Lubov Fominskaja [6]
3 years ago
5

Laying in the silence

Mathematics
2 answers:
hodyreva [135]3 years ago
5 0

Answer:

may I ask why your singing train wreck?

Step-by-step explanation:

....lol

Musya8 [376]3 years ago
4 0

Answer:

I love that song omg

Step-by-step explanation:

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Daria earns $17.50 per customer when she gives haircuts if she gave X haircuts on Monday and Y haircuts on Tuesday which express
fomenos

Answer:

where are the expressions??

7 0
3 years ago
Plese help me! this is worth 25 points dont get it wrong :(
lawyer [7]

Answer:

u forgot to put up a picture :(

8 0
3 years ago
Which of the following equations could be solved to determine the length of RS?
stich3 [128]

Answer:

\frac{Sin(80)}{RS} = \frac{Sin(52.5)}{7}

Step-by-step explanation:

Given:

S = 52.5°

s = QR = 7

Q = 80°

q = RS = ?

Required:

Equation that could be used to find the length of RS

Solution:

We would need the law of Sines which is given as:

\frac{Sin(A)}{a} = \frac{Sin(B)}{b} = \frac{Sin(C)}{c}

Applying the Law of Sines, we would have the following equation:

\frac{Sin(Q)}{q} = \frac{Sin(S)}{s}

Plug in the values

\frac{Sin(80)}{RS} = \frac{Sin(52.5)}{7}

Therefore, the equation that can be used to determine the length of RS is \frac{Sin(80)}{RS} = \frac{Sin(52.5)}{7}

4 0
3 years ago
The perimeter of a quarter circle is 17.85 miles. What is the quarter circle’s radius?
siniylev [52]

Answer:

8.1

Step-by-step explanation:

The perimeter of a circle means the circumference. In this question it says the perimeter of a quarter circle is 17.85 miles and we want to find the quarter circle’s radius.

We know that the perimeter of the quarter circle is 17.85 which means that the 2 radii and the circumference of the circle sum to 17.85.

The formula to work out the perimeter of a quarter circle is     2r+\frac{\pi }{2}   . We can  form an equation to work out the radius so,

2r+\frac{\pi }{2}  =    17.85

→ Multiply everything by 2 to get rid of the fraction

4r + π = 35.7

→ Minus π from both sides to isolate 4r

4r = 32.55840735

→ Divide both sides by 4 to isolate 4

r = 8.139601837

The radius of the quarter circle is 8.1 miles to 1 decimal place

6 0
3 years ago
Here is an equation 2(x + 9) = -15. What are three different equations that have the same solution as that equation? Show or exp
igor_vitrenko [27]

Answer: 1) 2x+18=-15

2) -33+18

Step-by-step explanation: 1) multiply the outer number by the numbers inside the parentheses : 2 times x would = 2 because x is not by itself so it would be X=1x and you are multiplying 2x1 which = 2 and add the variable x so it would be 2×, and same with 18, you multiply 9x2 which =18 and thats how i got 2x+18 doesnt matter if i havent found the x yet because we already know what it equals to which is -15... 2) X=16.5 so to check we do 2×-16.5 which = -33 and add 18 it = -15

(IM NOT SURE ABOUT THE THRID ONE )

6 0
3 years ago
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