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myrzilka [38]
3 years ago
7

*Pop Quiz*

Mathematics
1 answer:
PtichkaEL [24]3 years ago
7 0

Answer:

The father is 59

Step-by-step explanation:

lets say each of the kids are twelve

30*5=150-36=114=59+55

30*5+ 150 the age of everyone in the family added together

12*3= 36 the age of all the kids

150-36=114 the age of the adults added together

we know the mother is 4 years younger than the father so to state off you can take 114 and divide it by two to get what half of it is then take take numbers that are four apart to find the ages that add up to 114.

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The midpoint of that segment is (-8,-8).
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4 years ago
He gastado 3/4 partes de mi salario y me quedan $900 pesos ¿cual es mi salario?
Masja [62]

Answer:

Tu salario es $3600

Step-by-step explanation:

Porque hoy tienes 1/4 del salario total. Al principio tienes 4 times esa cantidad. Entonces debes multiplicar $900 x 4 = 3600

8 0
3 years ago
A new centrifugal pump is being considered for an application involving the pumping of ammonia. The specification is that the fl
ollegr [7]

Answer:

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Step-by-step explanation:

Given that;

x^{bar} = 6.5 gpm

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we substitute

t = (6.5 - 5) / \frac{1.9}{\sqrt{8} }

t = 1.5 / 0.67175

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the degree of freedom df = n-1 = 8 - 1

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Hence;

0.025 < p-value < 0.05

3 0
3 years ago
What is 9 to the 3rd power.
Anettt [7]

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Step-by-step explanation:

3 0
3 years ago
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