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Gnom [1K]
3 years ago
13

Pls help ASAP I’ll give brainliest

Mathematics
1 answer:
EastWind [94]3 years ago
3 0

Answer:

DE

i think.

hope this helps :)

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In the isosceles triangle ABC, we have AB=AC=4. The altitude from B meets AC at H. If AH=3(HC) then determine BC.
Inga [223]

Answer:

BC=√7

Step-by-step explanation:

AC=4

AC=AH+HC

=3HC+HC

=4HC

HC=1/4AC=1/4×4=1

AH=3HC=3×1=3

BH⊥ AC

AB=AC=4

BC=\sqrt{AB^2-AH^2} =\sqrt{4^2-3^2} =\sqrt{16-9} =\sqrt{7}

5 0
2 years ago
Simplify 3(3x_2y)_(4x_6y)<br><br><br>​
klemol [59]

Answer:

5x

Step-by-step explanation:

I think the problem was.  

3(3x - 2y) - (4x - 6y)

9x - 6y - 4x + 6y

5x

5 0
2 years ago
Select the correct answer
bulgar [2K]
The answer is b bc it’s all real numbers since it won’t stop
3 0
3 years ago
The equation $y=-4.9t^2+3.5t+5$ describes the height (in meters) of a ball thrown upward at $3.5$ meters per second from $5$ met
Georgia [21]

Answer:

Step-by-step explanation:

The position function is

s(t)=-4.9t^2+3.5t+5 and if we are looking for the time t it takes for the ball to hit the ground, we are looking for the height of the ball when it is on the ground. Of course the height of anything on the ground is 0, so if we set s(t) = 0 and solve for t, we will find our answer.

0=-4.9t^2+3.5t+5 and factor that however you are currently factoring in class to get that

t = -.71428 seconds or

t = 1.42857 seconds (neither one of those is rational so they can't be expressed as fractions).

We all know that time will never be a negative value, so the time it takes this ball to hit the ground is

1.42857 seconds (round how you need to).

4 0
3 years ago
Solve this diamond problem to be awarded as brainliest
NeX [460]
Answer: -5 and 2
Because it equals 3 when added.
And -10 when multiplied.
6 0
3 years ago
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