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3 years ago

What is the ratio of 7 boys to 8 girls playing volleyball

Mathematics

1 answer:

Goshia [24]3 years ago

3 0

7 boys: 8 girls i am pretty sure

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The fractions are 2/3

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3 years ago

Determine if the segment lengths form a triangle. If so, would the triangle be acute, right, or obtuse? 4.1, 8.2, 12.2

goldfiish [28.3K]

Three line segments can form a triangle if the length of the longest segment is greater than the sum of the lengths of the shorter segments.

$4.1 + 8.2 \ \textgreater \ 12.2 \\
12.3 \ \textgreater \ 12.2 \\
true$
They can form a triangle.

Now if c is the length of the longest side and a and b are the lengths of the shorter sides, then:
- if $c^2=a^2+b^2$ , the triangle is right
- if $c^2\ \textless \ a^2+b^2$ , the triangle is acute
- if $c^2\ \textgreater \ a^2+b^2$ , the triangle is obtuse

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12.2^2=148.84 \\ \\
148.84\ \textgreater \ 84.05$
The triangle is obtuse.

The answer is D.

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3 years ago

Evaluate this expression for a = 3 and b = 4.

Vladimir79 [104]

I think it’s A I hope it helps

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3 years ago

I WILL MARK BRAINLIEST! Solve for X

NARA [144]

Answer:

Step-by-step explanation:

You are to assume in both problems that the two triangles are similar. That is a very dangerous assumption -- especially in later math classes. But in this case, there is no other way to do the problem. The two sets of triangles look like they are proportional. So set up two ratios that are = to each other

On the left

long side small triange / long side large triangle = base small triangle / base large triangle

On the right

hypotenuse/longest leg = hypotenuse / longest leg.

Problem A

Set up the similar Proportion

5/40 = x/20 Cross Multiply

40x = 20*5

40x = 100 Divide by 40

x = 100/40

x = 2.5

Problem B

Again set up the similar triangle proportion

15/10 = x/2 Multiply by 2

15*2/10 = x

3 = x

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3 years ago

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What is the ratio of 7 boys to 8 girls playing volleyball​

What is the ratio of 7 boys to 8 girls playing volleyball