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makvit [3.9K]
3 years ago
7

What is six less than seven times a number is equal to -20​

Mathematics
1 answer:
Naya [18.7K]3 years ago
7 0

Answer:

7n-6=-20

Step-by-step explanation:

six less than seven times a number

we'll use n as "the number"

six less meaning -6

7 times a number n = 7n

7n-6=-20

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D is the correct answer
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Answer:

  ∠A = 26°

Step-by-step explanation:

Supplementary angles total 180°.

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The Library is having a book sale. Hardcover books sell for $4 each, and paperbacks sell for $2 each. If Connie spent $26 on 8 b
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If Connie spent $26 on 8 books, The number of hard covers she buy is 5 hard cover.

<h3>Number of hardcover bought</h3>

Let h represent hard cover

Let p represent paperbacks

Formulate an equation

h + p= 8.......(1)

4h + 2p= 26......(2)

Multiply equation (1) by -2

-2h + -2p = -16

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Divide both side by 2h

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Paper backs

P=5-2

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Therefore If Connie spent $26 on 8 books, The number of hard covers she buy is 5 hard cover.

Learn more about Number of hardcover bought here:brainly.com/question/18306224

#SPJ1

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1 year ago
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