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4 years ago

PLEASE HELP ASAP!

Mathematics

1 answer:

stich3 [128]4 years ago

4 0

Double 7.5 and add 7 to get 22

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What’s 4.13489 in standard form

STatiana [176]

we need to move to our right hand side to get the decimal point at the end of the digits.

and in standard form, movement to the right gives a negative exponent of 10.

the answer is

 $413489 \times {10}^{ - 5}$ 

5 0

4 years ago

Rachel and her cousin Lena live in different cities about 100 miles apart.On the map the two cities measure 5 inches apart . Wha

Ostrovityanka [42]

On her map 1 inch is equal to 20 miles.

5x=100

divide both sides by 5

x=20

5 is for the 5 inches.
x is for the unknown.
100 is the 100 miles between the cities.

So the scale 1:20

7 0

4 years ago

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Explain why 7 times X/7 =X ? How does this relate to solving division equations ?

chubhunter [2.5K]

It is because the X is getting divided by 7.

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4 years ago

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Trisha is going to make a border of icing around a circular cake with a diameter of 8 inches which of the following represents t

nadya68 [22]

Answer:

B. 25.12

Step-by-step explanation:

We are simply finding the perimeter of the cake.

Perimeter: π × diameter

Perimeter: 3.14 × 8

Perimeter: 25.12 inches

4 0

3 years ago

Solve for m: - 6m – 6 = 72.

nadezda [96]

Answer:

m=11

Step-by-step explanation:

-6m-6=72

-6 on both sides to cancel it out

72 becomes 66

-6m=66

divide by -6 on both sides to cancel out

66÷6=11

m= 11

4 0

3 years ago

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