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BaLLatris [955]
3 years ago
9

A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function =ht−64t16t2. After how long

will it reach its maximum height?
Mathematics
1 answer:
nata0808 [166]3 years ago
5 0
Answer: 0.125 seconds
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Raina is on the swim team. Each day she swims 750m . How far does she swim in 5 days?
Sav [38]

1 day = 750 m

1 * 7 = 750 * 7

7 days = 5250 m

Now, since 1 km = 1000 m, this means in order to convert from meters to kilometers you must divide by 1000

5250 / 1000

= 5.25 km

Or, you could do the hard way by going to wolfram alpha / google and typing 5250 m to km.

Hope this helps!

8 0
3 years ago
Read 2 more answers
A rectangular prism has a length of 7 cm, a width of 4 cm, and a height of 2 1/2 cm.
BartSMP [9]
First solve the volume of the rectangular prism
V = l x w x h
where l is the length
w is the width
h is the height
V = 7 x 4 x 2.5
v = 70 cu cm

then solve the volume of the box
v = e^3
v = 0.5^3
v = 0.125

number of cubes = 70 / 0.125
number of cubes = 560 cubes
4 0
4 years ago
Read 2 more answers
PLEASE HELP I NEED HELP
Vsevolod [243]
Answer: Ricardo y yo somos
8 0
3 years ago
Read 2 more answers
Help me on questions 8 through 12
mr_godi [17]
8. To find the answer you can eather multipy it for each of the sides or you can add it 6 times once for each side
15\frac{1}{4} \times 6 \\ \\ 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4}
9. You basicly do the same thing as the previous problem but with the new numbers and you add each number 2 times

10. For are you multiply Base × Height So all you have to do is Multiply the 2 numbers shown together
2 \frac{1}{2} \times 5
11-12 Is the same but witb the new numbers

I hope this helps!
6 0
3 years ago
What is the value of x? Sin(x)=cos(81)
RUDIKE [14]

Answer:

0.98768834034243

Step-by-step explanation:

Since 81 is smaller than 90, it is located in the first quadrant and in the first quadrant, the values for sin, cos and tan are always positive.

sin(81)= 0.98768834034243

8 0
3 years ago
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