3 years ago

What is the sum in simplest form? 4.5 + 1 3/5

Mathematics

1 answer:

andre [41]3 years ago

5 0

Answer: 6 1/10

Step-by-step explanation:

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Help me, please!!!!!!!!!

NISA [10]

Step-by-step explanation:

part A

y=nx

part B

y=48×x

y=48x

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3 years ago

When 31 times a number is increased by 40, the answer is the same as when 200 is decreased by the number

mojhsa [17]

$31x+40=200-x\\32x=160\\x=160/32\\x=5$

The number is 5.

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4 years ago

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The diameter of a circle is 3.2 meters. Which is the circumference of the circle rounded to the nearest hundredth of a meter?

Paraphin [41]

Answer:

10.05 meters

Step-by-step explanation:

If the diameter is 3.2 meters, then the radius is 1.6 meters.

Use the circumference formula, C = 2 $\pi$ r, and solve for C

C = 2 $\pi$ r

C = 2 $\pi$ (1.6)

C = 3.2 $\pi$

C = 10.05

So, to the nearest hundredth of a meter, the circumference is 10.05 meters

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3 years ago

How can you use expressions to find the percent of a number?

netineya [11]

Answer:

Review how to find the percent of an amount to find the percent of an amount or of a whole we write

Step-by-step explanation:

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3 years ago

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If C = 2m2 + m and D = 2 – 6m + 2m², find an expression that equals<br> 2C - 2D in standard form.

lidiya [134]

C = 2m^2 + m
D = 2 - 6m + 2m^2

2C = 2(2m^2 + m) = 4m^2+2m
2D = 2(2-6m+2m^2) = 4-12m+4m^2

2C - 2D =
4m^2+2m-(4-12m+4m^2) =
4m^2+2m-4+12m-4m^2 =
0m^2 + 14m -4 =
14m - 4

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3 years ago