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3 years ago

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There are 24 students in Ms. Woodall's class. 1/2 of the students are boys. 1/3 of the boys have brown hair. what is the number

of boys in Ms. woodall's class who have brown hair?

2 answers:

-Dominant- [34]3 years ago

8 0

4 boys have brown hair

Hatshy [7]3 years ago

3 0

Answer:

4

Step-by-step explanation:

1/2 of 24=12

1/3 of 12=4

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What is 9/12 in simplest form

olga nikolaevna [1]

Solutions

⇒9/12

1) To see if 9/12 is in simplest form you have to find 9 and 12's GCF.
The GCF of 9 and 12 is 3

2) Divide by the GCF
9 ÷ 3 = 3
12 ÷ 3= 4

3/4 is answer

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Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.

maks197457 [2]

F(g(x)) = [(-7x-8)/(x-1) - 8} / [(-7x - 8)/(x-1) + 7] =

[(-7x - 8 - 8(x-1)) / (x-1)] / [(-7x - 8 + 7(x-1)) / (x-1)] = (-15x) / (-15) = x.

g(f(x)) = [-7*(x-8)/(x+7) - 8] / [(x-8)/(x+7) - 1] =

[(-7x + 56 -8*(x+7)) / (x+7)] / [(x - 8 - (x + 7)) / (x+7)] = (-15x) / (-15) = x.

So since f(g(x)) = g(f(x)) = x we can conclude that f and g are inverses.

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2x × 9 = ?<br><br> What is the answer?<br> Is the answer 18x?

scoundrel [369]

Answer:

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Step-by-step explanation:

2x times 9 is 18x because when you multiply 9 times 2, you get 18 and the x carries over.

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Find an equation of the circle whose diameter has endpoints (1,-4) and (-3,6).

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Answer:

$(x+1)^2+(y-1)^2=58$

Step-by-step explanation:

To find the equation of this circle, we must know the center and the radius.

We can find the radius by dividing the value of the distance formula by 2 (since $r=\frac{d}{2}$ ):

$d=\sqrt{(-3-1)^2+(6-(-4))^2}=\sqrt{116}\\r=d/2=\frac{\sqrt{116}}{2}$

We can then find the center of the circle by averaging the coordinates:

$\frac{1+(-3)}{2}=-1$

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Then, we substitute these values into the equation of a circle:

$(x-(-1))^2+(y-1)^2=(\frac{\sqrt{116}}{2})^2\\(x+1)^2+(y-1)^2=58$

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