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Inessa05 [86]
3 years ago
10

Calculate the quotient.

Mathematics
1 answer:
Neko [114]3 years ago
4 0

A) 3/4 ÷ 5 1/5.

Answer:

\frac{15}{104}

B) 3/7 ÷ 2 1/2.

Answer:

\frac{6}{35}

C) 5/8 ÷ 6 5/6.

Answer:

\frac{15}{164}

D) 8 3/10 ÷ 5/8.

Answer:

13 \frac{7}{25}

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With respect to the 50 degree angle, the side x is the opposite leg. It is the leg furthest from the reference angle. The hypotenuse is 5 meters. 

The trig function sine ties together the opposite and hypotenuse

sin(angle) = opposite/hypotenuse
sin(50) = x/5
5*sin(50) = x .... multiply both sides by 5
x = 5*sin(50)

------------------

Since x = 5*sin(50) isn't listed as an answer choice, let's try using cosine. We can't use it right away because we don't know the adjacent side. What we can do is change the reference angle. The missing angle of the triangle is 90-50 = 40 degrees. Let's make the 40 degree angle the reference angle

So x is now the adjacent side with respect to the 40 degree reference angle. The hypotenuse is always the longest side. The hypotenuse stays at 5.

cos(angle) = adjacent/hypotenuse
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This expression is listed. The answer is choice B

4 0
3 years ago
15-12 + 4(3) =<br> 15-12-12<br> 15-1<br> 14
MissTica

Answer:

9

Step-by-step explanation:

7 0
3 years ago
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I really need help with this math problem.
Art [367]

Answer D.

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3 0
3 years ago
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Helen [10]

Answer:

8x + 11= 315

Step-by-step explanation:

Let x = the number of students in a bus

There are 8 buses

8x is the number of students in buses

There are 11 students in cars

Add this together to get all the students, which is 315

8x + 11= 315

6 0
3 years ago
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(log question, pre-calculus question). question was (2.5) 10 exponent x = 9. 34 . what is x? (99 points)
DedPeter [7]
(2.5)10 ×=9.34
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