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3 years ago

Solve the proportion. Z/42= 25/70

Mathematics

2 answers:

Alona [7]3 years ago

7 0

Hey!

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~Cross Multiply

z/42 * 25/70 → 70z = 1050

~Divide 70 to both sides

70z/70 = 1050/70

~Simplify

z = 15

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Hence, the answer is $\Large\boxed{\mathsf{z~=~15}}$

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Hope This Helped! Good Luck!

marysya [2.9K]3 years ago

3 0

Answer:

z+15

Step-by-step explanation:

Cross multiply and divide. 70z = 42*25

Hope this helps!!

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The difference of six times a number and 7 is -49

gtnhenbr [62]

Greetings!

"The difference of six times a number and 7 is -49"...

In number and variables, this would be:
 $6x-7=-49
$

Add 7 to both sides.
 $(6x-7)+7=(-49)+7$
Simplify.
 $6x=-42$
Divide both sides by 6.
$(6x)/6=(-42)/6$
Simplify.
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Hope this helps.
-Benjamin

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Morgarella [4.7K]

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Step-by-step explanation:

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Step-by-step explanation:

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