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arlik [135]
3 years ago
9

5.8 times 10 and show work (optional)

Mathematics
1 answer:
Step2247 [10]3 years ago
7 0

Answer:

58

Step-by-step explanation:

A easy way to get this is to remove the decimal in 5.8 which gives you ----> 58

NOTE: This works for any problem multiplying 10 x a decimal.

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PLEASE HELP!!!!!! 7TH GRADE MATH SO IT SHOULD BE EASY FOR SOME OF YALL. write the expression below as a product of two factors
Cloud [144]

Answer and Step-by-step explanation:

6(2x + 3y - 10) is the answer.

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5 0
3 years ago
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Can you explain step by step for #15 and #16 I have a test on this tomorrow
RUDIKE [14]

Answer:

15.

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. 10 ml of 20% saline and 40 ml of 10% saline

Step-by-step explanation:

A chemist takes x ml of 20% saline and y ml of 10% saline. In total, he takes

x + y ml that is 50 ml, so

x + y = 50.

There are  0.2x ml of salt in x ml of 20% saline and 0.1y ml of salt in 10% saline. There are 0.12\cdot 50=6 ml of salt in 50 ml of 12% saline. Thus,

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15. We get the system of two equations:

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. Solve this system. From the first equation:

x=50-y

Substitute it into the second equation:

0.2(50-y)+0.1y=6\\ \\10-0.2y+0.1y=6\\ \\-0.1y=6-10\\ \\-0.1y=-4\\ \\y=40\\ \\x=50-y=50-40=10

7 0
3 years ago
What makes 83 cents ?
Sliva [168]
83 Cents = 2 Quarters, 1 Nickel, 4 Pennies.

Glad I Could Help, And Good Luck!

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Answer:

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5 0
3 years ago
Write an algebraic expression of the verbal expression the quotien of five times x and fifteen
faust18 [17]
5x+ (5)15

or 

5(x+15)

I hope this helps
4 0
3 years ago
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