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lora16 [44]
2 years ago
14

What do you need to know to describe the velocity of an object?--Three things total

Mathematics
1 answer:
spin [16.1K]2 years ago
6 0

Answer:

Distance traveled, initial speed, and final sped.

Step-by-step explanation:

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A rectangular wall has length 3 less than 4 times the width . I wish to put a silver line along the corners of the wall. The lin
Thepotemich [5.8K]

Answer:

Step-by-step explanation:

Let width = w units

Length = 4w - 3

Cost for lining corners of wall = $ 18.50

Perimeter of the wall = 18.50/0.25 =  74 ft

2*(length  +width ) = 74

2*(4w - 3 + w) =74

2*(5w - 3) =74

10w - 6 = 74   {Add 6 to both sides}

10w - 6 + 6 = 74 + 6

10w = 80

Divide both sides by 10

10w/10 = 80/10

w =  8 ft

Length = 4w - 3 = 4*8 - 3 = 32 - 3

Length = 29 ft

Area of the wall = length * width

                           = 29 * 8

                           =  232 square ft

Cost of painting the wall per square feet = 20 cents = 0.20

Cost of painting 232 square feet = 232 * 0.20

                                                             = $ 46.40

4 0
3 years ago
A ball is thrown into the air with an upward velocity of 48 ft/s. Its height h in feet after t seconds is given by the function
Masja [62]
The equation modeling the height of the ball at time,t is given by h=-16t²+48t+6
<span>a. In how many seconds does the ball reach its maximum height?
Time taken for the ball to reach the maximum height will be given by:
h'(t)=-32t+48=0
finding the value of t we get:
32t=48
t=48/32
t=1.5 seconds
Thus the time taken for the ball to reach the maximum time is 1.5 seconds

b]</span><span> What is the ball’s maximum height?
The maximum height will be:
h(1.5)=-16(1.5)</span>²+48(1.5)+6
h(1.5)=42 fee
3 0
3 years ago
A 3-yard roll of butcher paper costs $8.55. What is the price per foot?<br>​
Zielflug [23.3K]

Answer:

$2.85

Step-by-step explanation:

8.55/3

8 0
3 years ago
Read 2 more answers
Harper knows he is 50 yards from school. The map on his phone shows that the school is 3/4 inch from his current location. How f
DiKsa [7]
Hater is still 50 yards away
there should be a scale on the map of his phone
8 0
3 years ago
Read 2 more answers
I need help on this one thank you
lutik1710 [3]
The answer = B because of the pattern
6 0
2 years ago
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