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3 years ago

In a school there are 1000 boys and 800 girls. Calculate the percentage of boys and girls

Mathematics

1 answer:

Arisa [49]3 years ago

8 0

Answer:

55.55%= boys & 44.44% = girl

Step-by-step explanation:

1000/(1000+800)=1000/1800=.5555 or 55.55% are boys

800/(1000+800)=800/1800=.4444 or 44.44% are girls.

Therefore, 55,55% are boys and 44.44% are girls.

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The slope of a line is 2/3. What is the slope of a line that is perpendicular to this line?

Allisa [31]

Answer:

-3/2

Step-by-step explanation:

The slope of the perpendicular line is the negative reciprocal. This means you change the sign of the slope to its opposite.

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3 years ago

Draw a line representing the rise and a line representing the run of the line. State the slope in the simplest form

USPshnik [31]

Answer:

$m=\frac{2}{3}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Find points from graph.

Point (1, -5)

Point (7, -1)

Step 2: Find slope m

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

Substitute [SF]: $m=\frac{-1+5}{7-1}$
Add/Subtract: $m=\frac{4}{6}$
Simplify: $m=\frac{2}{3}$

6 0

3 years ago

You have this information about ABC, FDE, and GHI AB=DF AB=GI

Nataly_w [17]

This is your perfect answer

7 0

3 years ago

Find all natural values of x such that x/8 is a proper fraction, and x/4 is an improper fraction.

Roman55 [17]

Answer:

5, 6 and 7.

Step-by-step explanation:

5/8 is proper while 5/4 is improper

6/8 is proper while 6/4 is improper

7/8 is proper while 7/4 is improper

5 0

3 years ago

of the pets in the pet show 5/6 are cats.4/5 of the calico cats what fraction of the pets are calico cats

Bond [772]

The answer is 0.664 because you have to divide 4/5 and 5/6

3 0

3 years ago