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Snezhnost [94]
2 years ago
5

Please help me and make sure to show your work

Mathematics
2 answers:
saw5 [17]2 years ago
7 0

Answer:

C. 20

Step-by-step explanation:

k=2

Therefore, we substitute the value of k to the given equation

k²-(k-10)+4k

2²-(2-10)+4(2)

4-(-8)+8

4+8+8

12+8

20

irina1246 [14]2 years ago
4 0
Answer: C 20

Explanation: Plug in 2 for k.

2^2 - (2-10) + 4(2) = 20
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Answer:

D. 4

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2 years ago
Can I get some help ???
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What is the difference of the polynomials?<br><br> (8r6s3 – 9r5s4 + 3r4s5) – (2r4s5 – 5r3s6 – 4r5s4)
tangare [24]
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6 0
2 years ago
Read 2 more answers
A summer camp had
trapecia [35]

The equation that relates the number of campers this year to the number of campers last year is c = 440 / 1.10

The number of campers last year is 400.

<h3>What are percentages?</h3>

Percentage can be described as a fraction out of an amount that is usually expressed as a number out of hundred. Percentages are used to measure frequency.

<h3>How many campers attended last year?</h3>

The number of campers last year = number of campers this year / (1 + percentage increase)

440 / 1.1 = 400

To learn more about percentages, please check: brainly.com/question/25764815

3 0
2 years ago
Medication is prescribed in 6 out of every 10 hospital emergency room visits that involve an injury. If a large urban hospital h
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We can first get the percentage of the emergency room visits that involves an injury. 
6 out of 10.
This will be (6/10)×100 = 60%

So, if there are 930 emergency room visits, the expected visits <span>included a prescription for​ medication is;
</span>
60% of 930 = 60/100 × 930
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                   = 558 
6 0
3 years ago
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