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mote1985 [20]
2 years ago
9

CORRECT ANSWER GETS BRAINLYEST Drag each set of coordinates to the correct location on the table. Not all sets of coordinates wi

ll be used. Points that two lines pass through are given in the table. Match each point of intersection to the correct pair of lines. {(1, 1) |(1, -1)] [(-4,-7) ((-5, -4) [(4,7) (-4,-5) Line 1 Line 2 Point of Intersection (2,5), (-3.-5) (3.0), (0.-3) (1, 1), (2.3) (0,3), (2,5) (1.0), (0.-1) (0.3). (-2,-1) (2.0), (0, 2) (4,5), (3.3)​

Mathematics
2 answers:
nata0808 [166]2 years ago
7 0

Answer:    

(-4,-7)

(4,7)

(-4,-5)

(1,-1)

Step-by-step explanation:

 

pentagon [3]2 years ago
5 0

Answer: (-4,-7) (4,7) (-4,-5) (1,-1)

Step-by-step explanation:

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A model rocket is launched with an initial velocity of 200 ft per second. The height h, in feet, of the rocket t seconds after t
Solnce55 [7]

Answer:

2.10 s, 10.40 s.

Step-by-step explanation:

We know that the height of the rocket is given by the function:

h=-16t^2+200t

We are asked to find the time for which the height of the rocket will be 350 ft. So, for that moment, we know the height but we don't know the time; however, we know that the equation can help us to find the time, doing h=350:

350=-16t^2+200t

The last is a quadratic equation, which can be put in the form at^2+bt+c=0 and solved applying the formula:

t=\frac{-b+-\sqrt{b^2-4ac} }{2a}

So, let's put the equation on the form at^2+bt+c=0 adding 16t^2 and subtracting 200t to each side of the equation; the result is:

16t^2-200t+350=0

So, we note that a=16, b=-200, and c=350.

Then,

t_1=\frac{200-\sqrt{200^2-4*16*350} }{2*16}=2.10

t_2=\frac{200+\sqrt{200^2-4*16*350} }{2*16}=10.40

According to the equation, that are the times for which the height will be 350 ft; that is because the rocket is going to ascend and then to fail again to the ground.

4 0
3 years ago
A study of commuting times reports the travel times to work of a random sample of 1010 employed adults in Chicago. The mean is x
MrMuchimi

Answer:

standard error of the mean = 1.6960

Step-by-step explanation:

Given -

Mean (\overline{X}) = 53 minutes

Standard deviation ( s ) = 53.9 minutes

n = 1010

standard error of the mean  =  

\sigma _{\overline{X}}    =   \frac{s}{\sqrt{n}}

        = \frac{53.9}{\sqrt{1010}}

       =  1.6960

3 0
3 years ago
A girl is 18 years old and her brother is a third of her age. When the girl is 36 what would be the age of the brother?
ale4655 [162]
First we need to calculate how many years her brother has when she is 18. As text says he is:
18/3 = 6 years old

Now when she gains another 18 years (36-18=18) he will also gain those 18 years

When she is 36 he will have 6+18=24 years old

Answer is 24.
8 0
3 years ago
Read 2 more answers
Ratio 6 to 5 of 20000
neonofarm [45]

Answer:

24000

Step-by-step explanation:

6/5×20000

=24000

4 0
2 years ago
State the angle from 1:00 to 2:30
charle [14.2K]

Answer:

Im pretty sure its 45°

Step-by-step explanation:

7 0
3 years ago
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