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3 years ago

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

Mathematics

1 answer:

MArishka [77]3 years ago

4 0

What he said ^^^^ that should be the right answer

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The number of boys varies directly as the number of girls and inversely as the number of teachers. When there are 24 boys and 16

lidiya [134]

SO from what I did was...

Since 24 x 3 = 72 , I did the same to 16.

16 x 3 = 48

But because instead of their being 3 teachers there is 1... What I did is just was to divide 48 / 2 which gave me the answer of 24...

So what I think the answer is...

There are 72 boys, 24 girls, and 1 teacher...

Unless I am just dumb and it would be 48 girls, but I think I did it right.

I hope I was able to help out.

3 0

3 years ago

What is the slope? Simplify your answar and write it as a proper fraction, improper fraction, or intiger.

FrozenT [24]

Answer:

$\displaystyle m = \frac{1}{2}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinate Planes

Reading a graph
Coordinates (x, y)
Slope Formula: $\displaystyle m = \frac{y_2 - y_1}{x_2 - x_1}$

Step-by-step explanation:

Step 1: Define

Identify points from graph.

Point (20, 0)

Point (100, 40)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m = \frac{40 - 0}{100 - 20}$
[Order of Operations] Simplify: $\displaystyle m = \frac{40}{80}$
Simplify: $\displaystyle m = \frac{1}{2}$

6 0

2 years ago

What is 20-5+80(78)-10? Please help, I am not good at algebra!

rodikova [14]

The answer to your question is 6245

5 0

3 years ago

At the candy store there are 2,369 jelly beans in a jar . One -fourth of the jelly bean are green . About how many are green ?

miv72 [106K]

Well sense there aren't any colors the rest is 3/4

3 0

3 years ago

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Use completely the square to solve for x in the equation (x+7)(x-9)=25

ra1l [238]

You mean "completing the square," don't you? ;)

(x+7)(x-9)=25 can be expanded: x^2 - 9x + 7x - 63 + 25, which becomes

x^2 -2x = 38.

Let's now complete the square:

x^2 - 2x + (1)^2 - (1)^2 = 38, or x^2 - 2x + 1 = 39

Rewrite that as (x-1)^2 = 39

Take the sqrt of both sides: x-1 = plus or minus sqrt(39)

Write the roots: x = 1+sqrt(39) and x = 1 = sqrt(39) (answers)

8 0

3 years ago

Read 2 more answers