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jarptica [38.1K]
2 years ago
11

Find a line that is parallel to y=-2x+7 and passes through a point of (1,-1)

Mathematics
1 answer:
navik [9.2K]2 years ago
6 0

Answer:

y=-2x +1

Step-by-step explanation:

hope this helps

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Please hurry I need this fast
Alina [70]

Answer:

I think its C

Step-by-step explanation:

4 0
2 years ago
A ball is kicked in the air. The height of the ball can be calculated using the equation h(t) =-16t^2+64t+190, where h is in hei
gregori [183]

Answer:

Therefore the ball strikes the ground  5.98 s after kick.          

Step-by-step explanation:

Given that , a ball is kicked in the air. The height of the ball can be calculated using the equation h(t)=-16t^2+64t+190    where h is height in feet and t is time in second.

When the ball touches the ground then the height will be zero.

i.e h(t)=0

Therefore

-16t^2+64t+190=0

\Rightarrow -2(8t^2-32t-95)=0

Since -2≠0 then (8t^2-32t-95)=0

(8t^2-32t-95)=0    

[The solution of a quadratic equation ax²+bx+c=0 is

  x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}  here a=8, b=-32 and c=-95]                    

\Rightarrow t =\frac{-(-32)\pm\sqrt{(-32)^2-[4\times8\times(-95)]} }{2\times8}        

\Rightarrow t =\frac{32\pm\sqrt{4064} }{16}    

Therefore   t=  5.98 or -1.98

since time can not be negative So , t=5.98 s

Therefore the ball strikes the ground  5.98 s after kick.          

5 0
3 years ago
Convenient store sold 8.5 pounds 6.26 Ibs 9.2 Ibs and 4.54 Ibs of apples each week during one month is the store started at out
Keith_Richards [23]

Answer:

Step-by-step explanation:

5 0
9 months ago
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Where does a mathematician go when she commits a crime
Shkiper50 [21]
Uh... 3 1/2 jail? I don't know.
3 0
3 years ago
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Nadia spent 1/4 of her money on a shirt and 2/5 of her money on new shoes. What fraction of Nadias money was spent?
Ulleksa [173]

Answer:

13/20 of her money was spent.

Step-by-step explanation:

To find the answer you have to add these two fractions together, and to do that you must find a common denominator.

For this problem I chose to use 20 for the denominator since it is the smallest number that both 4 and 5 have in common.

Keep in mind that, whatever you do to the denominator, you must also do to the numerator, so if you multiply 5 by 4, you must also multiply 2 by 4.

5/20 + 8/20 = 13/20

4 0
3 years ago
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