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Nat2105 [25]
3 years ago
10

There is a ratio of 5 girls and 3 boys in the chorus. There are 24 boys in the chorus. How many girls are in the chorus

Mathematics
2 answers:
konstantin123 [22]3 years ago
8 0
There are 40 girls in the Chorus.
Llana [10]3 years ago
8 0

Answer:

40 girls

Step-by-step explanation:

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Original:45 new:30 percent of change
Sveta_85 [38]

<u>Answer:</u>

<h2>-33.33%</h2>

<u>Explanation:</u>

30-45 = -15

percent of change = 100(-15/45) = -33.33%

6 0
2 years ago
What is the reference angle of 255°?​
Vinvika [58]

Answer:

255 degrees is in quadrant 3. The reference angle in this case is the negative x axis to 255 degrees, which is 255 - 180 = 75 degrees

Step-by-step explanation:

6 0
3 years ago
Hi! I just need somebody to explain how this is done.
iren2701 [21]

Answer:

Exact form: x = \frac{10.8}{sin(57)}

Rounded to the Nearest Tenth: x = 12.9

Step-by-step explanation:

<em>In the right-angled triangle, we can use the trigonometry functions to find the length of a side or a measure of an angle</em>

In the given figure

∵ ∠C is the right angle

∴ ΔACB is a right triangle

∵ m∠B = 57°

∵ AC = 10.8

∵ AC is the opposite side of ∠B

∵ AB is opposite to the right angle

∴ AB is the hypotenuse

∵ AB = x

→ We can use the function sine to find x

∵ sin∠B = \frac{opposite}{hypotenuse}

∴ sin∠B = \frac{AC}{AB}

→ Substitute the values of ∠B, AC, and AB in the rule of sine above

∴ sin(57°) = \frac{10.8}{x}

→ By using cross multiplication

∵ x × sin(57°) = 10.8

→ Divide both sides by sin(57°)

∴ x = \frac{10.8}{sin(57)}

∴ x = 12.87752356

→ Round your answer to the nearest tenth

∴ x = 12.9

Exact form: x = \frac{10.8}{sin(57)}

Rounded to the Nearest Tenth: x = 12.9

3 0
3 years ago
SOMEONE PLEASE HELP!!!Which of the following represents the synthetic division form of the long
UkoKoshka [18]

Answer:

Choice C

Step-by-step explanation:

When setting up synthetic division you do:

x-5=0

x=5

and get the numerator's coefficients:

1, -3, 4

                   

so that's 5 | 1 -3 4

7 0
2 years ago
Read 2 more answers
What is the answer to number 2.
Korolek [52]

Answer: The correct answer would be B.

Step-by-step explanation:

Because....

24 gets the variable because in total that's number of bottles that Marjorie bought. And each day she would open and drink 2 bottles of juice, which is the reason why you are subtracting 24d with 2.

* Hopefully this helps:) Mark me the brainliest:)!!

<em>∞ 234483279c20∞</em>

6 0
3 years ago
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