3 years ago

Someone please explain how to do this!!

2 answers:

8 0

45 is the area bc you divide the shape into a triangle and a rectangle and get the area of both and then add them together

Semenov [28]3 years ago

3 0

Answer:

o because the square is not of 4

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The ratio of boys to girls at a movie is 4:7. If there are 21 girls, how many boys are ar the movie?

Korolek [52]

Answer:

ratio of boys to girls= 4:7

number of girls=21

now,

$\frac{boys}{girls} \times \frac{no.of \: boys}{no.of \: girs}$

$\frac{4}{7} \times \frac{boys}{21}$

$4 \times 21 = 7boys\: \\ \: ({cross multiplication})$

$84 = 7boys$

$\frac{84}{7 \: } = boys \: \: \: (dividing \: 84 \: by \: 7)$

$12 = boys$

$no.of \: boys = 12$

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3 years ago

Which ordered pair is a solution to the equation 3y=-2x-4

sveticcg [70]

Answer:

ouoi

Step-by-step explanation:

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4 years ago

Please help with this question. I really need HELP!

olya-2409 [2.1K]

Answer:

B is supplementary

Step-by-step explanation:

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3 years ago

What is the value of x and y?

crimeas [40]

Answer:

C. x = 8 , y = 40

Step-by-step explanation:

since this is an Isosceles triangle 5x = 40° and x = 8

The sum of interior angles in a triangle is equal to 180°

40° + 5x + 2y + 20 = 180° add like terms

5x + 2y = 120

40 + 2y = 120 ➡ 2y = 80 and y = 40

8 0

4 years ago

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How do you solve for Y in x=5 +8y-8

Rzqust [24]

x = 5 + 8y - 8

Combine like terms.

x = -3 + 8y

Add 3 to both sides.

x + 3 = 8y

Divide both sides by 8.

y = $\frac{x+3}{8}$

7 0

3 years ago