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Usimov [2.4K]
2 years ago
14

What is the value of a? A. -18 B. -14 C. 14 D. 18

Mathematics
1 answer:
erma4kov [3.2K]2 years ago
8 0
A.
...................
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Someone please help me answer
Bingel [31]
Simplify the exponents
3-2=1 therefore it should be 1/7 the third answer. Hope that helps
7 0
3 years ago
One triangle on a graph has a vertical side of 7 and a horizontal side of 12.
Alisiya [41]
If you are working out the diagonal line you need to use Pythagoras Theroum: c² = a²+b²

c² = 7²+12² = 193
√c² = c = √193 = 13.89

The length of the diagonal side is 13.89,
Hope this helps! :)
4 0
3 years ago
Simplify (tan(θ)+cot(θ))/(sec(θ)•csc(θ)) completely
AlekseyPX
\dfrac{\tan\theta+\cot\theta}{\sec\theta\csc\theta}=\dfrac{\dfrac{\sin\theta}{\cos\theta}+\dfrac{\cos\theta}{\sin\theta}}{\dfrac1{\cos\theta}\dfrac1{\sin\theta}}=\dfrac{\sin^2\theta+\cos^2\theta}1=1
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3 years ago
jack wants to paint his walls. two walls are 12 ft by 8 ft and two walls are 10 ft by 8 ft. what is the area to be painted? if o
Ksivusya [100]

Answer:

352 ft (squared)  , he will need 12 paint cans

Step-by-step explanation:

Two 12 by 8ft walls = 192 ft in area, Two 10 by 8ft walls = 160 ft in Area, that equals 352 ft total, 352/30=11.73 repeated, round up to 12

4 0
2 years ago
Jenny wants to buy cereal that comes in large and small boxes. the 32-ounce box costs $4.16, and the 14-ounce box costs $2.38. W
Phoenix [80]
The large box is less expensive per ounce.  
  

               large box             small box
cost             4.16                    2.38
content        32oz                   14oz

cost/oz       0.13                      0.17
                 *4.16/32                *2.38/14

The large box is less expensive than the small box. The large box is cheaper by 0.04 per ounce.
3 0
3 years ago
Read 2 more answers
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