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Alexxx [7]
3 years ago
12

Rachel solved 50 problems of her Homework correctly and scored 62.5%. How many problems were there in the Homework?

Mathematics
2 answers:
sergiy2304 [10]3 years ago
7 0
There are 80 questions in her homework!

(Please Mark me brainliest, And also thank you for putting extra points on this question :) have a good day)
maria [59]3 years ago
3 0

Answer:

80

Step-by-step explanation:

50 problems/x total = 62.5%

50/62.5=0.8 problem for each percent

0.8 * 100 percent = 80 problems

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HELPPPPP
soldi70 [24.7K]

x=50  

Step-by-step explanation:

angle 1 and 3 are corresponding angles that menas they equal the same

so set it up like this 2x+10=110 solve for x

move over the 10, subtract 10 from 110 you get 100 and divide by 2

you get 50.

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3 years ago
Read 2 more answers
Penelope earned $50 in May. She earned $60 in June.
laila [671]

Answer:

20% Increase

Step-by-step explanation:

Percentages can be put vice versa. So 20% Of 50 = 50% Of 20 Which Equals 10.

Mark me as brainliest please

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3 years ago
The tangent of an angle is 3.4. what is the measure of the angle to the nearest tenth?
Amiraneli [1.4K]

To answer this question, you first need to know what SohCahToa is.

S- opposite over hypotenuse

C- adjacent over hypotenuse

T- opposite over adjacent

In this situation, they have made it easier for you as they have given you the quotient of the opposite and adjacent sides (3.4) . Now in order to find an angle, you take the inverse of your expression. So instead of just Tan, you would plug in Tan^-1. So plug it in:

Tan^-1 (3.4)

Answer is 73.6 degrees.

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3 years ago
A box has colored balls (12 red, 10 green, 6 light blue and 8 yellow). What is the probability of drawing 2 red balls?
ale4655 [162]

Answer:

You will have a 33% chance of drawing a red ball

Step-by-step explanation:

If you do 12+10+8+6, you get 36 which then you would ratio it. 12:36, and you would convert that to a percent, which is 33%

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2 years ago
Which statement is true about the sum of two rational numbers?
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You never included the statement, please, message me back and so so. This is fairly hard to do, as there is no statement to pick...
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