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Arlecino [84]
3 years ago
6

How to change numbers into decimals using common core standards?

Mathematics
1 answer:
VLD [36.1K]3 years ago
4 0
Assuming you are talking about converting fractions to decimals, divide the numerator (top number) by the denominator (bottom number). If it isn't one you can solve in your head, use long division.
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The total surface area of a cube is 294 cm ² work out the volume of the cube
mihalych1998 [28]

\text{ Total Surface Area of cube, with Side $a$ is } 6a^2 \\ \text{ (six times the area of each face)} \\ 6a^2=294 \ m^2 \\ a^2= \frac{294}{6} \\ a^2=\frac{49\times6}{6} \\ a^2=49 \\ a=\sqrt{49} \\ a=7 \ m \\ \text{Volume of cube with Side $a$ is } a^3 \\ V= 7^3=49\times7 \\ \text{volume of the cube is } 343 \ m^3

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3 years ago
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Dima020 [189]
Its the third one for the answer
8 0
3 years ago
A triangle has side lengths of 6, 8, and 9. What type of triangle is it? right obtuse equiangular acute ​
Marta_Voda [28]

Answer:

acute

Step-by-step explanation:

5 0
3 years ago
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Convert 12 1/2% into a decimal (It isn't 12.50)<br>Convert 12 1/2% into a fraction (It isn't 25/2)
Hoochie [10]

Answer:

0.125 and 1/8

Step-by-step explanation:

To convert a percentage to a decimal, divide by 100 to move 2 decimal places to the left.

12.50% / 100 = 0.125

To convert a percentage into a fraction, rewrite the decimal number you got and put it over 1. Multiply the numerator and denominator by 1000 to move 3 decimal places to the right and get your fraction.

\frac{0.125}{1} · \frac{1000}{1000} = 125/1000

Divide the numerator and denominator by the GCF, 125, to get your simplified fraction.

125/125 = 1

1000/125 = 8

125/1000 = 1/8

6 0
3 years ago
Which answer choice is equivalent to the expression below?
Bess [88]

Answer:

the answer would be -13n-23

Step-by-step explanation:

first you want to distribute the brackets

-7(2+n) = -14-7n

+(-9-6n)

-9-6n

-14-7n-9-6n

combine the n value with an n value and an integer that doesn't have an n value

-7n-6n-14-9

= -13n-23

8 0
3 years ago
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