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Stella [2.4K]
2 years ago
12

What is the value of x? Test is timed please help.

Mathematics
1 answer:
Darina [25.2K]2 years ago
8 0

Answer:

x = 19

Step-by-step explanation:

A circle has a total of 360 degrees. Because central angles are congruent to the degree measures of their arcs, and because of vertical angles we can construct the equation :

5x+37+5x+37+3x-9-9=360

We can simplify this to :

8x+28=360

Subtract 28, divide 8, and x is 19

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Explain how to isolate the variable in the equation -2/3n + 7 = 15
vodka [1.7K]

Answer:

n = -12

Step-by-step explanation:

(-2/3)n + 7 = 15          

(-2/3)n+7-7 = 15-7               Subtract by 7 on both sides

(-2/3)n = 8                         Multiply by the reciprocal of the fraction, which is                                                                                                  

(-2/3)n*(-3/2) = 8(-3/2)      This makes it so you get n *1 and isolates n.

n = -24/2 = -12

7 0
3 years ago
Write one hundred and fourteen thousandths as a decimal number.
LiRa [457]

100.014. I think this is it

6 0
3 years ago
The number of foam fingers sold at the Kennedy Center from 1900 to 2004 can be modeled by S =
Juliette [100K]

Answer:

C) 11703

Step-by-step explanation:

from 1900 to 1976 is 76 years.

substitute 76 for t:

S = 2(76)^2 + 2(76) - 1

S = 2(5776) + 152 - 1

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7 0
3 years ago
5/8 of the 64 musicians in a music contest are guitarist. Some of the guitarist play jazz solos, and the rest play classical sol
BabaBlast [244]
5/8 x 64= 40 x 1/4 =10   40 - 10 = 30 classical solos
8 0
3 years ago
The chef at a steakhouse has 350 pounds of sirloin steak on hand for Saturday night. If each portion is 10 ounces, how many sirl
GenaCL600 [577]

Answer:

560 dinners

Step-by-step explanation:

First, find the amount of ounces by multiplying 350 pounds by 16 since every one pound is 16 ounces. 350×16=5600. That means there are 5600 ounces of meat. Therefore, to find the amount of steaks that can be served, divide 5600 divided by 10. 5600÷10=560.

8 0
3 years ago
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