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klasskru [66]
3 years ago
12

6th grade math help me pleaseeee...

Mathematics
1 answer:
iren2701 [21]3 years ago
3 0

Answer:

-3.8

Step-by-step explanation:

u = 3.8

u × -1 = 3.8 × -1

-u = -3.8

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KATRIN_1 [288]

Answer:

The maximum height of the volleyball is 12.25 feet.

Step-by-step explanation:

The height of the volleyball, h(t), is modeled by this equation, where t represents the  time, in seconds, after that ball was set :

h(t)=-16t^2+20t+6 ....(1)

The volleyball reaches its maximum height after 0.625 seconds.

For maximum height,

Put \dfrac{dh}{dt}=0

Now put t = 0.625 in equation (1)

h(t)=-16(0.625)^2+20(0.625)+6\\\\h(t)=12.25\ \text{feet}

So, the maximum height of the volleyball is 12.25 feet.

5 0
4 years ago
An angle that measures exactly 180° is known as a/an<br> angle.
slavikrds [6]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Hi..........help me....please math..........
telo118 [61]
First things first. You need to know the formula for finding volume of a pyramid.

The formula is V=1/3Bh or Volume=1/3*Base Area*height 

-Remember >Capital B means base area...not base

What did the problem give us?

-The height of the pyramid is 6 cm
-The length and width of the base is 2 cm

Lets plug what we know into the formula.

V=1/3Bh > 1/3(4)6
Now you would have to solve it.

1/3(4)=1.33333333333

1.33333333333*6=8

So the answer is 8 cm.

6 0
3 years ago
on a graph would the x-axis be sideways or straight up and would the y-axis be straight up or sideways
olasank [31]

Answer:

The x-axis would be ssideways and the y-axis would be straight up

Step-by-step explanation:

Because the x-axis is a flat line on the graph and the y-axis is stands up on the graph

5 0
3 years ago
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svet-max [94.6K]

Answer:

4×10^{12}

Step-by-step explanation:

My calculator

4 0
3 years ago
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