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3 years ago

I need the answer fast

Mathematics

1 answer:

brilliants [131]3 years ago

8 0

Answer:

B. k=7

Step-by-step explanation:

28/4=7

56/8=7

84/12=7

etc... good luck!

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A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as ed

makvit [3.9K]

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Define x :
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Let x be the number of books.

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Find cost of the books:
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30814 + 11.5x

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Find Sales of the books :
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19.25x

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Find the number of books needed :
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30814 + 11.5x = 19.25x
19.25x - 11.5x = 30814
7.75x = 30814
x = 3976

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Answer: 3876 books
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4 0

3 years ago

Write this equation in slope-intercept form by isolating the y-variable. 12x = 4y y= x

tester [92]

Answer:

Step-by-step explanation:

I took the the answer so I know it

7 0

3 years ago

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Mary is 21 years old. Her age is 9 years more than 3 times Henry’s age. Which equation can be used to determine x, Henry’s age i

nika2105 [10]

Answer:4

Step-by-step explanation:

21=3x+9

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X=4

4 0

4 years ago

Will give brainliest

xxTIMURxx [149]

Answer: 45 Degrees

Step-by-step explanation:

4 0

3 years ago

This one I need the answers for both of 12 points!!!!

Debora [2.8K]

Part A

c - number of washed cars

Answer: 400 + 5c > 900

Part B

400 + 5c > 900 | - 400

400 + 5c - 400 > 900 - 400

5c > 500 | : 5

5c : 5 > 500 : 5

c > 100

Answer: 100 cars

5 0

4 years ago