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lakkis [162]
3 years ago
15

I don't know what to write! Help me please​

Mathematics
1 answer:
Andrews [41]3 years ago
3 0
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10x - 15 = 12x - 101
GenaCL600 [577]
<span>-49 + -2x + 12x = 101 + -12x + 12x Combine like terms: -2x + 12x = 10x -49 + 10x ... 101 + 49 = 150 10x = 150 Divide each side by '10'. x = 15 Simplifying x = 15 </span><span>
</span>
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Please help me I don’t understand!
MrMuchimi

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I provided a full answer and explaination in the picture attached. Good luck.

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If the radius of the circle above is 2 in, what is the area of the circle? A. 8 sq in B. 4 sq in C. 2 sq in D. 16 sq in
polet [3.4K]

Answer:

b

Step-by-step explanation:

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3 years ago
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A notebook costs $4.50 plus sales tax . After sales tax , the notebook is $4.86. What is the sales tax rate?
UkoKoshka [18]

Answer:

8%

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2 years ago
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Help Me With This Please
Cerrena [4.2K]
8. complementary angles = 90°
3x+3+10x-4 = 90
13x-1 = 90
13x = 91
so x = 91/13= 7
then K = 3(7)+3 = 24°
so L = 10(7)-4 = 70-4 = 66°

9. P is three less than twice of Q
so P = 2Q-3
supplementary angles = 180°

P+Q = 180
(2Q-3)+Q = 180
3Q-3 = 180
3Q = 183
so Q = 183/3 = 61°
then P= 2(61)-3 = 122-3 = 119°

10. B is two more than three times of C so B= 3C+2
complementary angles = 90°

B+C= 90
(3C+2)+C=90
4C+2=90
4C= 88
so C= 22°
then B = 3(22)+2= 66+2 = 68°
8 0
3 years ago
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