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Morgarella [4.7K]
3 years ago
15

Please help I will give Brantley if right Question 1 (5 points)

Mathematics
1 answer:
Vlad1618 [11]3 years ago
6 0
The answer is 4) 60miles per 4 gallons
Explanation: 60:4=15 so it will be 15 miles per 1
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BRAINLIESTTT. ASAP! PLEASE HELP ME :)
Vsevolod [243]

Answer: Choice A

\frac{\sqrt{6}+\sqrt{2}}{4}

========================================================

Work Shown:

\cos(30) = \frac{\sqrt{3}}{2}

\cos(\frac{x}{2}) = \sqrt{\frac{1+\cos(x)}{2}

\cos(\frac{30}{2}) = \sqrt{\frac{1+\cos(30)}{2}

\cos(15) = \sqrt{\frac{1+\frac{\sqrt{3}}{2}}{2}

\cos(15) = \sqrt{\frac{\frac{2}{2}+\frac{\sqrt{3}}{2}}{2}

\cos(15) = \sqrt{\frac{\frac{2+\sqrt{3}}{2}}{2}

\cos(15) = \sqrt{\frac{2+\sqrt{3}}{4}}

\cos(15) = \frac{\sqrt{2+\sqrt{3}}}{\sqrt{4}}

\cos(15) = \frac{\sqrt{2+\sqrt{3}}}{2}

\cos(15) = \frac{0.5\sqrt{6}+0.5\sqrt{2}}{2}  

\cos(15) = \frac{\sqrt{6}+\sqrt{2}}{4}

5 0
3 years ago
Janice is thinking of two numbers. She says that two times the first number plus the second number is 47. In​ addition, the firs
Whitepunk [10]
Let the numbers be x and y, then
2x + y = 47 . . . (1)
x + 3y = 56 . . . (2)

(2) x 2 => 2x + 6y = 112 . . . (3)

(1) - (3) => -5y = -65 => y = -65/-5 = 13
From (2), x + 3(13) = 56 => x = 56 - 39 = 17

The two numbers are 13 and 17.
3 0
3 years ago
You're given a side length of 7 centimeters. How many equilateral triangles can you construct using this information?
leva [86]

Answer:

One

Step-by-step explanation:

An equilateral triangle has equal side lengths.

With the given information, you can construct one equilateral triangle, with the sides measuring 7cm each.

The sides of the equilateral triangle can't be mixed up, they must stay the same.

Hope this helps.

7 0
3 years ago
Find the value of this expression if x= -6 and y=1. xy^2/-7
Ahat [919]
(-6)(1)∧⁽2/-7⁾= -6 is the answer
Hope it's right
8 0
3 years ago
Read 2 more answers
Write 0.000012001 in scientific notation. 0.000012001 =​
LUCKY_DIMON [66]

Answer:

<em>The answer is 1.2001 * 10^-5</em>

8 0
3 years ago
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