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vichka [17]
2 years ago
7

Can someone help me out with this problem ?

Mathematics
1 answer:
expeople1 [14]2 years ago
8 0
I believe that’s it .... i’m so so sorry if it’s not

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-) Simplify: V625<br> 15<br> 20<br> 23<br> 25
tresset_1 [31]
The answer 25 hope it helps
8 0
3 years ago
Solve for x in the equation 2x^2+3x-7=x^2+5x+39
Alina [70]

Answer:

x=1±√47

Step-by-step explanation:

it's up above.

8 0
3 years ago
Which line(s) intersect the parabola y = x^2 − 3x + 4 at two points? Select all that apply. A. y = –3x + 2 B. y = –3x + 3 C. y =
TEA [102]

Answer:

C and D

Step-by-step explanation:

Equating the line A and the parabola, we get

-3x + 2 = x² - 3x + 4

0 = x² - 3x + 4 +3x - 2

0 = x² + 2

-2 = x²

which has no real solutions. Then, the line A and the parabola don't intersect each other.

Equating the line B and the parabola, we get

-3x + 3 = x² - 3x + 4

0 = x² - 3x + 4 + 3x - 3

0 = x² + 1

-1 = x²

which has no real solutions. Then, the line B and the parabola don't intersect each other.

Equating the line C and the parabola, we get

-3x + 5 = x² - 3x + 4

0 = x² - 3x + 4  + 3x - 5

0 = x² - 1

1 = x²

√1 = x

which has 2 solutions, x = 1 and x = -1. Then, the line C and the parabola intersect each other.

Equating the line D and the parabola, we get

-3x + 6 = x² - 3x + 4

0 = x² - 3x + 4  + 3x - 6

0 = x² - 2

2 = x²

√2 = x

which has 2 solutions, x ≈ 1.41 and x ≈ -1.41. Then, the line D and the parabola intersect each other.

4 0
3 years ago
Work out (1.2 x 104 ) 2.5 x 103<br>Give<br>your answer in standard form.​
ExtremeBDS [4]

Answer:

32136

Step-by-step explanation:

it is basically (1.2*104 )*2.5*103

4 0
2 years ago
Read 2 more answers
Drag each expression to show whether it is equivalent to 54x + 18, 18(3x – 1), or (6 • 9x) + (6 • 1).
Bezzdna [24]
X=-1/3  for <span>54x + 18
</span>x=1/3   for <span>18(3x – 1)
</span>x=-1/9  for <span>(6 • 9x) + (6 • 1)</span>
4 0
3 years ago
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