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nalin [4]
3 years ago
8

I need help fast it’s a timed test

Mathematics
2 answers:
AleksAgata [21]3 years ago
7 0

Answer:

x=7

Step-by-step explanation:

Add 10 to both sides to isolate x.

4x=28

x=7

sergeinik [125]3 years ago
5 0

Answer:

I gotchu it is (4x-10) + 10 = 18+10

Add to both sides ^

4x = 18+10

^Simply left side

4x = 28

^simplify arithmetic

(4x)/4 = 28/4

^divide from both sides

x=28/4

^simplify

x=7

Step-by-step explanation: Hope it helped :’)

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35.1 and 276.48

Step-by-step explanation:

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2 years ago
n a jar of coins, the ratio of nickels to dimes is 5:7. If the jar contains 350 dimes, how many nickels are there?
irina1246 [14]

Answer:

250 nickles

Step-by-step explanation:

Nickles and dimes are coins with different currency values. One nickel(N) is equal to 5 cents while one dime(D) is equal to 10 cents. The ratio of nickel:dime is 5:7, to put into the equation it will be:

N/D= 5/7

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There are 350 dimes, the equation will be:

D=350   ----> 2nd equation

We can find out the number of nickels by substitute the 2nd equation into the first. The calculation will be

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4 0
3 years ago
Why is math important in our daily life?
fredd [130]
~Hello there!

Your question: Why is math important in our daily life?

Your answer: Math is important is our daily lives because it has become mandatory. We use it in each and everywhere. Which ever field you are getting into, math is always used there. Math is used in our kitchen, banks, schools, everywhere! Just think for a moment, what would be the world like without math..?
How will the engineers construct building?
How will we get the grades for our examinations?
How will we get to know the score of a football match?
Math is used everywhere, thus, in today's century math is obligatory.

Any questions?

Happy Studying!
3 0
3 years ago
Please help me with this question.
Inessa [10]

Answer:

B

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3 years ago
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