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erastovalidia [21]
3 years ago
6

Please help me, I'm struggling with this question

Mathematics
1 answer:
ozzi3 years ago
3 0

\underline{\boxed{\tt{\red{\:Solution}}}}

<u>Given</u><u>:</u><u>-</u>

  • f(x) = x²

<u>Evaluation</u><u>:</u><u>-</u>

e).

==> f(x) = x²

So,

==> f(3x) = (3x)² = 9x²

f).

==> f(x/2) = (x/2)² = x²/4

g).

==> 3f(x) = 3x²

h).

==> 2f(x-1)+5 = 2(x-1)²+5 = 2(x² + 1 - 2x ) + 5

= 5x² + 5 - 10x + 5

= 5x² - 10x + 10

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Which one of the following would prove that two triangles are congruenta
White raven [17]

Answer:

Corroponding side lengths are equal

Step-by-step explanation:

Two triangles may have the same areas, but the sides might be different or in different spots than each other. The same goes for perimeter, therefore it doesn't mean that they are congruent. If two triangles had the same angle measures, it could still have any size side lengths. When corrosponding side lengths are equal, they have the same angles as well, so they are only congruent in this example.

Hope this helps :)

5 0
3 years ago
If line n bisects segment CE, find the positive value of x.<br><br> A.6<br> B.10<br> C.15<br> D.9
givi [52]

9514 1404 393

Answer:

  D.  9

Step-by-step explanation:

The segment lengths are equal, so ...

  x^2 = 90-x

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The solutions are the values of x that make the factors zero: -10, 9.

The positive value of x is 9.

8 0
3 years ago
Read 2 more answers
A pool 44 feet by 9 feet by 8 feet find the volume
kondor19780726 [428]
The volume of a rectangular prism (in this case, the pool) is found by multiplying the values of the length, the height, and the width together.

44 * 9 * 8 = 3168

The volume of the pool is 3,168 ft^{3}.
Hope that helped! =)
6 0
3 years ago
Solve the triangle. a = 12, b = 21, C = 94° c ≈ 24.2, A ≈ 32.7°, B ≈ 53.3° c ≈ 24.9, A ≈ 54.3°, B ≈ 31.7° c ≈ 24.2, A ≈ 28.7°, B
kolbaska11 [484]

Answer:

c ≈ 24.9, A ≈ 28.7°, B ≈ 57.3°

Step-by-step explanation:

in the picture



6 0
4 years ago
Solve for x:<br><br> 40= x/(−4/7)​<br><br> x=?
ElenaW [278]

Answer:

x=70

Step-by-step explanation:

                  40= x

-4/7    *            ___      *    -4/7

                       -4/7

70=x

5 0
3 years ago
Read 2 more answers
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