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GalinKa [24]
3 years ago
6

Change the following mixed number to an improper fraction. Reduce if possible. 2 4/40

Mathematics
2 answers:
Grace [21]3 years ago
6 0
All you have to do is multiply 2 by 40 and add 4 so the answer is 84/40
slava [35]3 years ago
4 0
84/40

Reduces to 21/10
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If A is the center of the circle, which of these are radii?
loris [4]

Answer:

D. A E

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BEACAUSE THE A IS NEAR TO THE E

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2 years ago
Simplify and solve for x. ​ ​ 5(x+20)= 7x+30
hodyreva [135]

Answer:

x = 35

Step-by-step explanation:

Solve for x:

5 (x + 20) = 7 x + 30

Expand out terms of the left hand side:

5 x + 100 = 7 x + 30

Subtract 7 x from both sides:

(5 x - 7 x) + 100 = (7 x - 7 x) + 30

5 x - 7 x = -2 x:

-2 x + 100 = (7 x - 7 x) + 30

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100 - 2 x = 30

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30 - 100 = -70:

-2 x = -70

Divide both sides of -2 x = -70 by -2:

(-2 x)/(-2) = (-70)/(-2)

(-2)/(-2) = 1:

x = (-70)/(-2)

The gcd of -70 and -2 is -2, so (-70)/(-2) = (-2×35)/(-2×1) = (-2)/(-2)×35 = 35:

Answer: x = 35

6 0
3 years ago
Read 2 more answers
The small rectangle was enlarged to create the big rectangle.
kow [346]

Answer: the missing measure on the big rectangle is 30 feet.

Step-by-step explanation:

If the small rectangle was enlarged to create the big rectangle, it means that they are similar. This also means that the dimensions of the larger rectangle different form the dimensions of the smaller rectangle by a constant ratio or factor.

The smaller rectangle has a length of 12 feet and width of 2 feet. The larger rectangle has a length of x feet and width of 5 feet. This means that

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7 0
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Answer:

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R5 - division prop. of equality

Step-by-step explanation:

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alexdok [17]

Answer:

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Step-by-step explanation:

We require 2 equations with the repeating numbers placed after the decimal point.

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100x = 12.1212.... (2)

subtract (1) from (2) thus eliminating the repeating numbers

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