2 years ago

I need help on letter b!

Mathematics

2 answers:

Likurg_2 [28]2 years ago

7 0

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

Dovator [93]2 years ago

6 0

Well given that there are 64 prizes (8/8)you have to divide by 8 to see how many there would be in 1/8:

64/8 = 8

So, if you do 8/8-5/8 = 3/8

Therefore, if you multiply 8*3 you will be given 24 which is the total amount of prizes that are not dolls

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PLS ANSWER QUICK! Thanks!

ziro4ka [17]

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The correct answer would be $a=\sqrt{c^2-b^2}$

Step-by-step explanation:

given $a^2+b^2=c^2$ we want to solve for a

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We can do this by using basic algebra ( isolating the variable (a ))

Step 1 subtract $b^2$ from each side

$a^2+b^2-b^2=a^2\\c^2-b^2=c^2-b^2$

now we have $a^2=c^2-b^2$

step 2 take the square root of each side

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we're left with $a=\sqrt{c^2-b^2}$

Hence your answer is A

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