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steposvetlana [31]
3 years ago
11

Please help thank you

Mathematics
1 answer:
Harrizon [31]3 years ago
6 0

Answer:

is the question? -7(3n+5) = -6n +25 for n?

if so the answer is n= -4

but I didn't know if there was more to the problem.


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If 8, x, 18 form a geometric sequence , find a value for x
katrin [286]

Answer: 13

Step-by-step explanation: It goes up by 5 so 8, 13, 18, 23, and etc

Please tell me if I'm wrong

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What is the value of x?<br><br> Enter your answer in the box.
valentinak56 [21]

Answer: 39

Step-by-step explanation:

180-(39+102)

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Find x. A. 11√6/2 B. 22 C. 33 D. 11√3/2
Phoenix [80]

Answer:

B

Step-by-step explanation:

using the tangent ratio on the triangle on the right and the exact value

tan60° = \sqrt{3} , then letting the altitude be h

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11\sqrt{6} = h × \sqrt{3} ( divide both sides by \sqrt{3} )

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using the sine ratio in the triangle on the left and the exact value

sin45° = \frac{\sqrt{2} }{2} , then

sin45° = \frac{opposite}{hypotenuse} = \frac{h}{x} = \frac{11\sqrt{2} }{x} = \frac{\sqrt{2} }{2} ( cross- multiply )

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6 0
1 year ago
In San Diego the average cost of gas is $4.15 per gallon. If a car has a fuel efficiency of 24 miles per gallon and the owner of
KIM [24]

Answer:

$25.94

Step-by-step explanation:

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25.94

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The sector is 1/6 of the circle.

Hope this helps!! :)

6 0
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