2 years ago

Which class has 40% girls

Mathematics

1 answer:

Effectus [21]2 years ago

5 0

Answer:

C. 48 out of 120

Hope that helps! :)

-Aphrodite

Step-by-step explanation:

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For the given function f(x)equals2.8xplus4.4, x is the number of years since 2000 and y (or f(x)) is the percent of students

slega [8]

Use photo math is very useful for things

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3 years ago

I need an explanation for the problem 4v2=-12v-9. I don't understand why it factors into 4v+3 and 4v+3

kirza4 [7]

Answer:

The factors are $2v+3,2v+3$ .

The factors are not $4v+3,4v+3$

Step-by-step explanation:

Equation is $4v^2=-12v-9$ .

This equation can be written as follows:

$4v^2+12v+9=0$

Here,

$12v=6v+6v$

Therefore,

$4v^2+6v+6v+9=0\\2v(2v+3)+3(2v+3)=0\\(2v+3)(2v+3)=0$

So, the factors are $2v+3,2v+3$ .

The factors are not $4v+3,4v+3$

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3 years ago

Write a number in which the value of the 3 is 10 times the value of the digit 3 in 156.32

Marat540 [252]

Answer:

1563.2

Step-by-step explanation:

If you just multiply 0.3 by 10 you will get 3

Now all you need to do is write 3 or have a number which has unit place value of 3

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2 years ago

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Y = -3(x + 5)^2 - 4

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2 years ago

The slope of the line that passes through the points (3,14) and (7,9) is

Akimi4 [234]

Answer:

m = -1.25

Step-by-step explanation:

Slope = (Y2-Y1) = (9-14) = (-5) = -1.25

(X2-X1) (7-3) (4)

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2 years ago