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tino4ka555 [31]

3 years ago

10

If a right triangle has side lengths x + 9, x + 2, x + 10 is the hypotenuse, find the value of x

1 answer:

joja [24]3 years ago

4 0

The total perimeter is 3x +21= ? first we isolate the variable by subtracting 21 on both sides. we then get 3x=21 now we divide by three on both sides and we find that x=7 to check this plug this in to x+9 x+10 and x +2 and see if x+10 is the hypotenuse.

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The ratio of the number of songs Brody bought to the number of songs Jayliah bought is 2:3. The ratio of the number of songs Jay

weqwewe [10]

Answer:

Brody purchased 16 songs.

Step-by-step explanation:

Ratio of the number of songs purchased by Brody(B) and Jayliah(J) = 2 : 3

$\frac{B}{J}=\frac{2}{3}$ ------(1)

Similarly ratio of the songs purchased by Jayliah(J) and Sadie(S) = 4 : 5

$\frac{J}{S}=\frac{4}{5}$ -------(2)

If Sadie bought the songs (S) = 30

From equation (2),

$\frac{J}{30}=\frac{4}{5}$

J = $\frac{4\times 30}{5}$

J = 24

By substituting the value J = 24 in equation (1),

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B = $\frac{2\times 24}{3}$

B = 16

Therefore, number of songs purchased by Brody = 16.

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