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Ksivusya [100]
3 years ago
15

A stone is launched off a building which is 95 feet high. Its height at time t is given by the function h(t) = 95 + 10t − 4t2 wh

ere time is measured in seconds and height is measured in feet. At what time does the stone reach its maximum height?
A) t = 1.25 seconds
B) t = 2.5 seconds
C) t = 5.0 seconds
D) t = 7.5 seconds
Mathematics
2 answers:
Ganezh [65]3 years ago
8 0

Answer:

t = 1.25 seconds

Step-by-step explanation:

usatestprep

tensa zangetsu [6.8K]3 years ago
4 0

Answer:

B

Step-by-step explanation:

B

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Strawberry's are 3.50$ a pound and you bought 18.25$ worth of strawberries
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The correct answer is 5.21
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3 years ago
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Explain and Prove that the sides of the triangles below are a right triangle.
sukhopar [10]
3.) 3, 4, 5
&
4.) 6, 8, 10
Those two are right triangles because when you add the squares of the first two it should give you the square root of the third number

a^2 + b^2 = c^2

So
3^2 + 4^2 = 5^2
9 + 16 = 25
25 = 25

6^2 + 8^2 = 10^2
36 + 64 = 100
100 = 100

Therefore they are right triangles

But 1 & 2 aren’t right triangles because when you add the squares of the first two number, it doesn’t equal to the square root of the third number.

Hope this helps!!
3 0
3 years ago
Please help me i dont know what the answer is ??
Assoli18 [71]
To answer this, we need to use the rules of geometric shapes. An equilateral triangle is equiangular, meaning all its angle measures are equal. Since all triangles' angles add up to 180°, simply divide 180 by three to find the angle measure of each angle:
\frac{180}{3} = 60
Therefore, the measure of the triangle's angle is 60°

Next, we know that a characteristic of a rectangle is that each angle must be a right angle, or an angle with a measure of 90°.

Now, all we have to do is use the sum of all the angle measures to figure out the missing piece:
90=x+60+12 \\ 90=x+72 \\ 90-72=(x+72)-72 \\ 18=x

The missing angle measure, angle x, equals 18°.

Hope this helps!
7 0
3 years ago
HELP I NEED HELP ASAP!!
Licemer1 [7]

Answer:

8/125 ft

Step-by-step explanation:2/5 x 2/5 x 2/5 = 8/125

3 0
3 years ago
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qaws [65]
\dfrac{\partial f}{\partial x}=y^2z+2xz^2
f(x,y,z)=xy^2z+x^2z^2+g(y,z)

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\dfrac{\partial f}{\partial z}=xy^2+2x^2z+\dfrac{\mathrm dh}{\mathrm dz}=xy^2+2x^2z
\dfrac{\mathrm dh}{\mathrm dz}=0\implies h(z)=0

\implies f(x,y,z)=xy^2z+x^2z^2+C
8 0
3 years ago
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