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SVETLANKA909090 [29]
3 years ago
14

10+8c=42 a great question to be answered

Mathematics
1 answer:
ivanzaharov [21]3 years ago
6 0
10 + 8c= 42
subtract 10 from both sides

8c= 32
divide both sides by 8

c= 4


CHECK
10 + 8(4)= 42
10 + 32= 42
42= 42


ANSWER: c= 4

Hope this helps! :)
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The difference of three times a number and six is nine
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Answer:

3x-6=9 is your equation x=5

Step-by-step explanation:

Step 1: Add 6 to both sides

Step 2: Divide both sides by 3

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Does anyanyone know
Ksju [112]

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7x² + 4x + 32

Step-by-step explanation:

   13x²  + 7x +21

<u>-    6x² + 3x - 11        </u>

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8 0
3 years ago
(2) 345
inessss [21]

Answer:

275 miles in 5 hours

55 miles in one hour

Check

to check if im right

275×2 would be how many miles she drove in 10 hours rght ? 275×2=550

550 miles in 10 hours

we know one hour is 55 miles & 5 hours is 275 & 10 hours is 550

10 hours plus 3 hours = 13 hours right ?

55 ×3 = 165

550 +165=715

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Step-by-step explanation:

715÷13 to get how many miles she drove in one hour .

=55 miles in 1 hour .

then multiply 55 ×5 to get how many miles she drove in 5 hours

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5 0
3 years ago
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