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4 years ago

PLEASE HELP thank you

Mathematics

1 answer:

Genrish500 [490]4 years ago

4 0

10. (5)y^-5/x^3 ... just divide by 2x^4

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Use the formula you just learned to help you complete the following. A circle’s diameter is approximately 14 cm.

damaskus [11]

Answer:

A= 7

B= 154

Step-by-step explanation:

A: the radius is half of the diameter

B: pie*radius to the second power

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3 years ago

A metal strip of 44 inches long is to be cut in 2 pieces. the smaller piece to be 12 inches shorter than the larger piece. find

Ket [755]

Answer:

Shorter Piece is 16 inches and Longer Piece is 28 Inches.

Step-by-step explanation:

Cut the 44 Inch piece in half (22+22) and subtracted 6 from one end and added six to another end which is 12 inches in total.

Hope this helps.

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3 years ago

Eli and Karl each throw a basketball straight up in the air at the same time. Eli is standing on a deck and the height of his ba

tino4ka555 [31]

We are to find the time at which the height of basketball thrown by Eli and Karl is equal. We have the functions which model the heights of both basketballs. So by equating the functions representing the height of both basketballs we can find the value of x from that equation at which the height is same for both basketballs.

$-4.9 x^{2} +12x+2.5=-4.9 x^{2} +14x \\ \\ 
12x+2.5=14x \\ \\ 
2.5=2x \\ \\ 
x=1.25$

Thus after 1.25 seconds the height of basketballs thrown by Eli and Karl will be at the same height. This can be verified by finding the heights of both at x=1.25

For Eli:
$Height=f(1.25)=-4.9 (1.25)^{2}+12(1.25)+2.5=9.84375$

For Karl:
$Height=f(1.25)=-4.9 (1.25)^{2}+14(1.25)=9.84375$

Thus height of both basketball is equal after 1.25 seconds

5 0

3 years ago

Read 2 more answers

The figure to the right has its Congruent segments marked. AB=__ meters

Ber [7]

9514 1404 393

Answer:

20 meters

Step-by-step explanation:

The single hash mark on AB matches the single hash mark on AC, so AB = AC. AC is marked as 20 meters, so AB is 20 meters.

7 0

3 years ago

The area of a triangle is 11.5 square in the base is 23 in what is the height in inches

coldgirl [10]

Answer:

Height = 1 inch

Step-by-step explanation:

area of triangle = 1/2 x base x height

11.5 =1/2 x 23 x height

23/23 = height

height = 1

6 0

3 years ago

Read 2 more answers