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tatuchka [14]
3 years ago
5

HELP PLEASE!!!! 50 POINTS!!!GIVING BRAINLIEST!!

Mathematics
1 answer:
Brums [2.3K]3 years ago
7 0

Answer:

a. Elena donates 12% of her money

Step-by-step explanation:

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Solve for x.<br> i need help
Novay_Z [31]

Answer:

2x=180-(3x+20)

2x=180-3x-20

5x=160

x=32

Step-by-step explanation:

3 0
3 years ago
HELP!!! pls with this question !
ycow [4]

Answer:

B

Step-by-step explanation:

the graph should start at negative five not four

8 0
2 years ago
Josephine can correct her students' test papers in 9 hours, but if her teacher's assistant helps, it would take them 7 hours. Ho
kirill [66]

Using the together rate, it is found that it would take the assistant 31 hours and 30 minutes to do it alone.

<h3>What is the together rate?</h3>

It is the sum of each separate rate.

In this problem, the rates are given as follows:

  • Josephine: 1/9.
  • Assistant: 1/x.
  • Together: 1/7.

Hence:

\frac{1}{9} + \frac{1}{x} = \frac{1}{7}

\frac{x + 9}{9x} = \frac{1}{7}

9x = 7x + 63

2x = 63

x = 31.5.

It would take the assistant 31 hours and 30 minutes to do it alone.

More can be learned about the together rate at brainly.com/question/25159431

7 0
1 year ago
Which of the following represents fifth root of x to the fourth power in exponential form? (6 points) a 4x5 b 5x4 c x to the fiv
sleet_krkn [62]

Answer:

B) 5x4

one its not A nor its C

its either B or D but i would go with B because D doesn't make sense all because D is saying x4^5 but its 5x^4

3 0
2 years ago
Read 2 more answers
Approximately _____ percent of the population are diagnosed with panic disorder using DSM criteria.
torisob [31]
DSM stands for Diagnostic and Statistical Manual of Mental Disorders. DSM is aclassification system for the mental disorders and indicates how the disorder can be distinguished from other. The DSM-5 recognized anxiety disorders are: generalized anxiety disorder, phobic disorder, panic disorder and obsessive compulsive disorder. <span>Approximately  3 percent of the population are diagnosed with panic disorder using DSM criteria.</span>
3 0
3 years ago
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