Mark is a professional race car driver. He has competed in 15 races and won 40% of them. How many races has Mark won?
1 answer:
Answer:
6 races
Step-by-step explanation:
If he won 40% of the races he competed in, and he raced 15 times, this means that he won roughly 4/10 races.
4/10= ?/15
cross multiply 4 and 15 = 60
60/10 = 6
He won 6 races
Give brainliest please!
hope this helps :)
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Answer:
<u>Use Pythagorean:</u>
<h3>#1</h3>
- x² = 13² - 5²
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- x = √144
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<h3>#2</h3>
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- Option D
<h3>#3</h3>
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The expression 4x^2 represents - (4)(x)(x)
If you shift function f(x) a units right you'll get f(x-a) function.
So if you have f(x) = x², you'll get f(x-10) = (x-10)² - answer B
other formulas:
a units left: f(x+a)
a units up: f(x)+a
a units down: f(x)-a
