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aniked [119]
3 years ago
11

Can yall help me??? it would be awsome and i will give brainleist

Mathematics
2 answers:
Leno4ka [110]3 years ago
8 0
A^2=18
Replace a with 10
(10)^2 = 18
10 squared is 100 so
100=18
subtract 18 from 100
100-18=82
82 Hope this is correct and helps !!
Lelechka [254]3 years ago
7 0

Answer:

Its eather 2a or -18

Step-by-step explanation:

I think its one of those two

Could i have a heart and branliest please.

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Using radicals , write an equivalent expression for the expression y 1/5
Nutka1998 [239]
Hope there are y^(1/5) so than this mean 5 index radical of y 

hope helped 
3 0
3 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
2 years ago
Please help me I can't do this answer
Tomtit [17]

Answer:

Its option number 2 perhaps, sorry if im wrong

Step-by-step explanation:

6 0
3 years ago
What is the answer
Mrac [35]

Answer:

The coordinates of H′ are (-2,0).

Step-by-step explanation:

It is given that square EFGH stretches vertically by a factor of 2.5 with respect to the x-axis to create rectangle E′F′G′H′.

If a figure stretches vertically by a factor of 2.5 with respect to the x-axis, then the x-coordinates remains same and the points which lie on the axis are also remains the same after stretch.

It is given that the coordinates of H are (-2,0). This point lie on the x-axis, therefore it will remains the same after stretch.

Therefore the coordinates of H′ are (-2,0).

3 0
3 years ago
Read 2 more answers
Write 3.242424... as a mixed number
Marysya12 [62]

Answer:

3 8/33

Step-by-step explanation:

5 0
3 years ago
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