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sleet_krkn [62]
3 years ago
6

Which of the following is not true for the equation y= x+4?

Mathematics
1 answer:
Natalka [10]3 years ago
5 0
The answer is B.
Hope that helped! :)
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Kathy dropped a snowball from a building that is 39.2 meters tall. The equation t2 = 39.29.8 represents the amount of time, in s
DIA [1.3K]

Answer:

We note that the equation that is compatible with the given equation is the kinematic equation of free fall where;

t² = 39.2 × 2/9.81

From which we have;

The time it takes the snowball to reach the ground is approximately 2.83 seconds

Step-by-step explanation:

The height of the building from which the ball is dropped, h = 39.2 m

The equation of the dropped a snowball, is given as follows;

t² = 39.2 × 9.8

Using the From the equation of free fall, we have;

s = u·t + 1/2·g·t²

Where;

u = The initial velocity = 0 m/s

t = The time of flight

g = The acceleration due to gravity = 9.81 m/s²

Therefore, we get;

∴ s = The height from which the snowball is dropped = 39.2 m

Therefore, we get;

39.2 = 0×t + 1/2×9.81×t²

∴ t² = 39.2 × 2/9.81  ≈ 7.99

t = √(7.99) ≈ 2.83

The time it takes the snowball to reach the ground, t ≈ 2.83 s.

8 0
2 years ago
What is the measure of angle x?<br>Enter your answer in the box.<br>X =<br>9​
Svet_ta [14]

Answer:

X=9?

90°

Step-by-step explanation:

4 0
3 years ago
48
Black_prince [1.1K]
Well first count the shoe rental which is 4 dollars so she has 16 dollars left. We divide 16 and 5.50 and get 2.9090 meaning that she can play 2 games. Because u can’t pay for half the game so it would be 2 games.
8 0
3 years ago
If 8 gallons of gas cost $40, how much does 10 gallons of gas cost?
crimeas [40]
40/8=5
$5= 1gal.
5x10=50
So 10 gallons of gas costs $50
7 0
3 years ago
Read 2 more answers
the difference between two numbers is 10 and their sum is four times the smaller number. find the two numbers
Vanyuwa [196]

Answer:

The smaller number is 5.

The bigger number is 15.

Step-by-step explanation:

Let the smaller number be x and the bigger number be x+10.

x+x+10 = 4x

2x+10 = 4x

10 = 4x-2x

2x = 10

x = 10÷2

  = 5

x+10 = 5+10

       = 15

8 0
3 years ago
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