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2 years ago

I NEED HELP CAN YALL PLEASE HELP ME WITH THIS?

Mathematics

2 answers:

Nuetrik [128]2 years ago

8 0

Answer:

<h2>P=4+√5+√13 the answer is C</h2>

Step-by-step explanation:

to find the perimeter , need to find the length(distance of the sides)

D=√(x2-x1)²+(y2-y1)²

D between BE and BD and ED

d of BE :

B(1,2) E(5,2)

D of BE = √(5-1)²+(2-2)²=√4²=4

D of BD : (1,2) , (2,4)

D=√(2-1)²+(4-2)² = √1²+2² = √5

ED : (5,2) , (2,4)

d=√(2-5)²+(4-2)²=√-3²+2² =√13

the perimeter= BE+BD+ED

Lynna [10]2 years ago

6 0

I believe the answer would be C, but I'm not sure.

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Answer:

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Step-by-step explanation:

"franklin school has 3 boys for every 4 girls in the fifth grade." means that the ratio of boys to girls is: 3:4

It can also be written as 3/4

Also given

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Let b be the number of boys and g be the number of girls

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$b = \frac{Ratio\ of\ boys}{Sum\ of\ ratio} * Total\ students\\= \frac{3}{7} * 140\\= 3*20\\=60\\g = \frac{Ratio\ of\ girls}{Sum\ of\ ratio} * Total\ students\\g = \frac{4}{7}*140\\= 4*20\\=80$

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ivolga24 [154]

Answer:

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