3 years ago

Evaluate h(x)=-x2+1 for x=3

Mathematics

2 answers:

FromTheMoon [43]3 years ago

5 0

H(3) = -3*2 + 1 = -5

expeople1 [14]3 years ago

4 0

H(3), jsut subsitute 3 for x

h(3)=-(3)^2+1
h(3)=-(9)+1
h(3)=-9+1
h(3)=-8

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A trapezoid has an area of 150 square meters. If the bases are 14 meters and 16 meters, what us the height of the trapezoid?

goldenfox [79]

To find the area of a trapezoid, we use the following formula:
$a = \frac{1}{2} (b1 + b2) \times h$
In this formula a represents the area and b1 and b2 each represent a base of the trapezoid.

So, we have got the following information
$a = 150$
$b1 = 14$
$b2 = 16$

Filling in the formula gives us:
$150 = \frac{{1} }{2} \times (14 + 16) \times h$
$150 = \frac{1}{2} \times 30 \times h$
$150 = 15 \times h$
Finally we have to divide both sides by 15.
$h = 150 \div 15 = 10$
Therefore, the height of the trapezoid is 10 meters.

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4 years ago

What is this answer?

kotegsom [21]

Answer:

A. 2^2

Step-by-step explanation:

I hope this helped! Have a great day!!!

7 0

3 years ago

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