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s344n2d4d5 [400]
2 years ago
14

Find the vertex of the function h(x) = -x^2 + 14

Mathematics
1 answer:
Mazyrski [523]2 years ago
5 0

The vertex form:

f(x)=a(x-h)^2+k\\\\(h,\ k)-vertex


h(x)=-x^2+14=-(x-0)^2+14\to h=0,\ k=14

<h3>Answer: (0, 14).</h3>
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Option number 4 is the answer
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Of the 35 students in my class, 11 practice taekwondo, 11 play piano, and 20 take lessons at AOPS. 4 students play piano and go
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Answer:

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There are seven (7) friends.

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8 0
3 years ago
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Please help me, math
cestrela7 [59]
Hi!
I’d use Pythagora’s theorem here. If PR is 6, PQ is also 6. PQO is a right angle.

OQ^2=6.8^2 - 6^2
OQ^2=46.24 - 36
OQ^2=10.24
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8 0
1 year ago
Find the height of a rectangular prism if the surface are is 288 square centimetres and the base has a length of 4 centimetres a
liraira [26]
The rectangular prism below is made up of 6 rectangular faces, and the faces opposite to each other are have an equal area.
The area of one of the faces is lxh or lh, and the area of the face opposite to it is also equal, so the area of those two equal faces is 2lh.
The area of the base of the prism is lxw, and the area of its opposite face is equal, so the area of those two equal faces is 2lw.
The area of the face in the left side of the prism is wxh, and the area of the face opposite to it is also equal, so their combined area is 2wh.
So, to find the total surface area of a rectangular prism, we’d add the sum of all the rectangular faces, so the formula of finding the surface area of a rectangular prism=
2lh+2lw+2wh
=2(lh+lw+wh)
Given,
Surface area of the rectangular prism=288 cm^2
2(lh+lw+wh)=288
2[4h+(4x9)+9h)]=288
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h=108/13
h=8.308 cm
Hope this helps!

8 0
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