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djyliett [7]
3 years ago
5

Based on the figure, which of the following equations is also true?

Mathematics
1 answer:
Leno4ka [110]3 years ago
4 0

Answer:

The correct answer is B.

Step-by-step explanation:

Because you know two of the angles in a triangle are 90° and 52°, you can infer that the third angle is 38°. There is a trigonometry rule that states the sine of an angle is equivalent to the cosine of 90° minus that angle, which you can apply to here. Since Sin(52°) = \frac{17}{c}, you know that Cos(90°-52°) or Cos(38°)also equals \frac{17}{c}, so choice B is the correct answer.

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6 0
3 years ago
Read 2 more answers
a college student would like to invest the prices of sandwiches offered near the campus a sample of 50 shops that's so sandwiche
fredd [130]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
The longest human power sporting event is the tour de France cycling race in a particular year the average speed for the winner
sergey [27]

Answer:

The winner completed the race in 96 hours and 52 minutes.

Step-by-step explanation:

Given:

Distance of the cycling race = 2292 miles

Average speed of the winner = 23.66\  mph

We need to find time required by winner to complete the race.

Solution:

Now we know that;

Time required can be calculated by dividing Total Distance from the Average speed.

framing in equation form we get;

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3 0
3 years ago
Dr. Potter provides vaccinations against polio and measles. Each polio vaccination consists of 444 doses, and each measles vacci
nataly862011 [7]

Answer:

37 polio vaccinations and 23 measles vaccination.

Step-by-step explanation:

Let the number of polio vaccination given=x

Let the number of measles vaccination given=y

Dr. Potter gave a total of 60 vaccinations

x+y=60

Since each polio vaccination consists of 4 doses, and each measles vaccination consists of 2 doses. A total of 184 doses was given out.

4x+2y=184

To find the values of x and y, we solve the two equations simultaneously.

x+y=60             (1)

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From (1), x=60-y

Substitute x=60-y into equation 2.

4x+2y=184

4(60-y)+2y=184

240-4y+2y=184

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56=2y

Divode both sides by 2

y=23

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6 0
3 years ago
If a•b=b, what must the value of a be?
Mila [183]

Answer: I think f

Step-by-step explanation:

8 0
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