2 years ago

I need help with this

Mathematics

1 answer:

SSSSS [86.1K]2 years ago

8 0

Answer:13 thank me later

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The triangles are similar.

son4ous [18]

Answer:

x = 21

Step-by-step explanation:

Using ratios:

75 : 25 = x : 7

75/25 = x/7

3 = x/7

21 = x

Using Pythagoras' Theorem a² + b² = c², where a and b are the legs and c is the hypotenuse of a right triangle:

$72^2+x^2=75^2$

$\implies x^2=75^2-72^2$

$\implies x=\sqrt{75^2-72^2}$

$\implies x=21$

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2 years ago

There are 17 girls and 13 boys in a school club. What is the percent of the members are girls?

tresset_1 [31]

Answer:

131%

Step-by-step explanation:

17:13

17 ÷ 13 = 1.3076923076923 = 130.76923076923%

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3 years ago

I need help on letter b!

Likurg_2 [28]

40 of the toys weren't dolls. The reason why is 5/8 times 64 is equal to 40.

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3 years ago

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2/5 of 60 please help

klasskru [66]

Answer:

60/5 is equal to 12. so 12 x 2= 24, and 5 x 12=60, so 24/60, or just 24

Step-by-step explanation:

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2 years ago

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What is the measure of angle B in the triangle?

Marat540 [252]

$180 - 120 = 60 \\ 60 - 16 = 44 \\ 44 \div 2 = 22$
x is 22
hope this helps

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3 years ago

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