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Sveta_85 [38]
2 years ago
9

1/2 (89-18) = -57 g=

Mathematics
1 answer:
Furkat [3]2 years ago
5 0

Answer:

g= - 1/8094

Step-by-step explanation:

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Alina [70]
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8 0
3 years ago
A father is 4 times as old as his son. In 20 years the father will be twice as old as his son.. Find their present ages
stealth61 [152]

x = the age of his son now, then the age of the father is 4x.

In 20 years,

son's age = x + 20

father's age = 4x + 20

solve the equation for x:

4x + 20 = 2(x + 20)

4x + 20 = 2x + 40

2x = 20

x = 10

So the age of his son now is 10, and the age of the the father now is 40.

3 0
3 years ago
Read 2 more answers
A rational expression simplifies to1/2 The denominator of the original expression is given. Which polynomial is the numerator?
Sergeeva-Olga [200]

Answer:

3x^2-x-4

Step-by-step explanation:

8 0
3 years ago
over the last evening, Karen received a total of 75 phone calls at the call center. The second evening, she received 3 times as
Marysya12 [62]
Answer: if you’re saying she received 75 calls the first evening then she would have received 10 more then that which is 85 on the third evening and 85x3 = 255 on the second evening.

So first evening 75
Second evening 255
Third evening 85
4 0
4 years ago
5. What property of equality is used to transform the equation from the first step to the second step?
Novay_Z [31]

Answer: The multiplication property of equality is used to transform the equation from the first step to the second step.

Explanation:

The multiplication property states that if any number is multiplied both side of a equation the equation doesn't change.

If x = y and we multiply both side by m, then xm = ym is equivalent to x = y.

The given expression is,

\frac{x}{5}=2

Use multiplication property of equality, multiply 5 both sides,

x=2\times5

x=10

Therefore, the multiplication property of equality is used to transform the equation from the first step to the second step.

3 0
3 years ago
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