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2 years ago

3x5²? Please I’m doing a test rn!

Mathematics

2 answers:

Monica [59]2 years ago

8 0

Answer:

Step-by-step explanation:

3x5x5=75

Bas_tet [7]2 years ago

5 0

Answer:

Step-by-step explanation:

5 times 5 is 25

3 times 25 is 75

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The average income, I, in dollars, of a lawyer with an age of x years is modeled with the following function: I = -425x^2 + 45,5

lord [1]

We are given

The average income, I, in dollars is

$I=-425x^2+45500x-650000$

(a)

now, we are given

average income is $275000

so, $I=275000$

now, we can set them equal

and then we can solve for x

$275000=-425x^2+45500x-650000$

$-425x^2+45500x-925000=0$

we will have to use quadratic formula

$x=\frac{-45500+\sqrt{45500^2-4\left(-425\right)\left(-925000\right)}}{2\left(-425\right)}:\quad \frac{-\sqrt{45500^2-1572500000}+45500}{850}$

$x=\frac{-45500-\sqrt{45500^2-4\left(-425\right)\left(-925000\right)}}{2\left(-425\right)}:\quad \frac{\sqrt{45500^2-1572500000}+45500}{850}$

we get

$x=27.28199$

$x=79.776$

we need to find youngest age

It means that we need to choose smallest value

so,

$x=27$ ............Answer

(b)

we are given

x=40

so, we can plug it and find I

$I=-425(40)^2+45500(40)-650000$

$I=490000$ ..............Answer

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3 years ago

Which number is between 0.5 and 5/8 A) 1/4 B) 8/28 C) 9/16 D) 19/28

Andru [333]

I think a but not sure but i hope i helped :D

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3 years ago

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The Freedom Trail is 2 1/2 miles long. Ana walked 5/8 mile from Boston Common to the Paul Revere House. Then, she walked 3/8 mil

Julli [10]

Answer:

1 1/2 miles

Step-by-step explanation:

5/8+3/8 is 8/8, or 1 mile. She now has 1 1/2 miles left to go! (2 1/2-1=1 1/2)

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3 years ago

Please help!! 11 points!!

MariettaO [177]

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Step-by-step explanation:

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3 years ago

In 1924, the tempature in Fairfield, Montana, dropped from 63 degrees to 21 in 12 hour. What was the average hourly change in te

Drupady [299]

Find the change
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42 degrees in 12 hours
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3 years ago