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3 years ago

A school has 360 students, 4/9 of whom are boys. How many boys is that? How many girls?

Mathematics

2 answers:

matrenka [14]3 years ago

6 0

The answer is 160. There are 160 boys in the school. Take 360 divide by 9, then multiply by four.

levacccp [35]3 years ago

3 0

360 *4 = 1440 / 9 =160 boys

360-160 = 200 girls

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A tailor cuts 3 7/8 yards from a roll of fabric to make one jacket. Which expression gives the number of jackets he can make fro

slava [35]

The expression can be represented as 16 3/4 divided by 3 7/8

6 0

3 years ago

Steve has at most $80 to spend at a store. He wants to buy a movie that costs $22. He also wants to buy DVDs that cost $7.00 eac

Degger [83]

Answer:

80 is less than or equal to 22+7x

8 DVDs

Step-by-step explanation:

I don't have the inequality signs sorry if you don't know its the symbol thats opening to the left with a line underneath

80 is less than or equal to 22+7x

subtract 22

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3 years ago

I need to know how to answer this

ArbitrLikvidat [17]

Answer:

3(2x - 5)(x + 2)

Step-by-step explanation:

6x^2 - 3x - 30

= 3(2x^2 - x - 10)

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5 0

3 years ago

A triangle is graphed in the coordinate plane. The vertices of the triangle have coordinates (–3, 1), (1, 1), and (1, –2). What

vladimir2022 [97]

Answer:

The perimeter of the triangle is $12\ units$

Step-by-step explanation:

Let

$A(-3,1),B(1,1),C(1,-2)$

we know that

The perimeter of triangle is equal to

$P=AB+BC+AC$

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

step 1

Find the distance AB

$A(-3,1),B(1,1)$

substitute in the formula

$AB=\sqrt{(1-1)^{2}+(1+3)^{2}}$

$AB=\sqrt{(0)^{2}+(4)^{2}}$

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step 2

Find the distance BC

$B(1,1),C(1,-2)$

substitute in the formula

$BC=\sqrt{(-2-1)^{2}+(1-1)^{2}}$

$BC=\sqrt{(-3)^{2}+(0)^{2}}$

$BC=3\ units$

step 3

Find the distance AC

$A(-3,1),C(1,-2)$

substitute in the formula

$AC=\sqrt{(-2-1)^{2}+(1+3)^{2}}$

$AC=\sqrt{(-3)^{2}+(4)^{2}}$

$AC=5\ units$

step 4

Find the perimeter

$P=AB+BC+AC$

substitute the values

$P=4+3+5=12\ units$

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3 years ago

Select the two pairs of figures that are similar.

Orlov [11]

Answer:

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Step-by-step explanation:

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3 0

3 years ago