Answer:
I think the answer is B= 62
Step-by-step explanation:
Please mark brainliest and have a great day!
Answer:
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Step-by-step explanation:
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<u>Answer:</u>
The correct answer option is D. 5.
<u>Step-by-step explanation:</u>
We are given the following expression where 4 is to be divided by a fraction 1/5:
÷ 
This can also be written as:
Now to find the quotient of this, we will take the reciprocal of the fraction in the denominator to change it into multiplication.
Therefore, ignoring the 1 in denominator, we can simply multiply 4 by 5.
Answer:
20
Step-by-step explanation:
( x − 2 ) 2 − 16 Set y equal to the new right side. y = ( x − 2 ) 2 − 16 Use the vertex form, y = a ( x − h ) 2 + k , to determine the values of a , h , and k . a = 1 h = 2 k = − 16 Find the vertex ( h , k ) . ( 2 , − 16 )
Answer:
a = 15
Step-by-step explanation:
The Pythagorean theorem applies:
a² + 20² = 25²
a² = 625 - 400 . . . . . subtract 20²
a = √225 . . . . . . . . . . take the square root
a = 15
_____
You might recognize that the given measures (20, 25) are in the ratio 4:5. There is only one right triangle with sides in that ratio: the 3:4:5 right triangle. That is, the unknown side (a) matches
a : 20 : 25 = 3 : 4 : 5 . . . . numbers on the left are 5 times those on the right
a = 5·3 = 15
