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AnnyKZ [126]
3 years ago
8

The height y of a ball (in feet) is given by the function y = – 15 x + 2x + 4

Mathematics
1 answer:
____ [38]3 years ago
6 0
4 ft
It’s four feet because 4 is the constant or the y intercept. This means that when no action is done, it’s at four ft
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Help for 1,2,3,4 please
ikadub [295]

In every case, you're finding the surface area of a rectangular prism. That area is the sum of the areas of the 6 rectangular faces. Since opposite faces have the same area, the formula can be written

... S = 2(LW +WH +HL)

The number of multiplications can be reduced if you rearrange the formula to

... S = 2(LW +H(L +W))

where L, W, and H are the length, width, and height of the prism. (It does not matter which dimension gets what name, as long as you use the same number for the same variable in the formula.)

When you're evaluating this formula over and over for diffferent sets of numbers, it is convenient to let a calculator or spreadsheet program do it for you.

1. S = 2((5 cm)(5 cm) +(5 cm)(5 cm +5 cm)) = 2(25 cm² +(5 cm)(10 cm))

... = 2(25 cm² + 50 cm²) = 150 cm²

2. S = 2(12·6 + 2(12+6)) mm² = 2(72 +36) mm² = 216 mm²

3. S = 2(11·6 + 4(11 +6)) ft² = 2·134 ft² = 264 ft²

4. S = 2(10·4 +3(10 +4)) in² = 164 in²

5 0
3 years ago
H=-16t^2+368
elixir [45]
The vertex and the t-intercept where t>0, will help solve this problem. Sending the work on the attachment.

5 0
3 years ago
1:
bixtya [17]

Answer:

First day: 45x +20y = 875

Second day: 25x + 40y = 775

Adult ticket price: $15

Step-by-step explanation:

See paper attached. (:

8 0
3 years ago
Segments DF, DH, and GF are tangent to the circle. Andrew was asked to find DF. Explain andrew's error.
ANEK [815]

Answer:

DF = 14

Step-by-step explanation:

Andrew was wrong in the assumption that DE = EF

Segments of tangents to a circle from the same external point are congruent

That is

EF = FG = 8

Then

DF = DE + EF = 6 + 8 = 14

5 0
3 years ago
WILL GIVE BRAINLIEST!! PLEASE HELP ASAP !!! 20 POINTSSSSS
grin007 [14]

Answer:

She can buy 5 rolls of crepe paper with 2ft of paper left.

Step-by-step explanation:

If you multiply 12ft by 4 sides you will get 48ft so then 5 rolls of paper that is 10ft equals 50ft so you will have more than enough paper

5 0
3 years ago
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