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Vinil7 [7]
3 years ago
12

How do you write the expression for s(x)=3x^2 t(x)=4x (t*s)(-2)

Mathematics
1 answer:
mafiozo [28]3 years ago
5 0
S(x)=3x²
t(x)=4x
(t*s)(-2)=(3x² * 4x)(-2)=(12x³)(-2)=-24x³

Answer: (t*s)(-2)=-24x³
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Which value is a discontinuity of x^2+7x+1/x^2+2x-15? x=-1 x=-2 x=-5 x=-4
dsp73
\dfrac{x^2+7x+1}{x^2+2x-15}=\dfrac{x^2+7x+1}{(x+5)(x-3)}

which is undefined when x=-5 or x=3. The answer is then the third choice.
6 0
3 years ago
Ellie drew ΔLMN, in which m∠LMN = 90°. She then drew ΔPQR, which was a dilation of ΔLMN by a scale factor of one half from the c
vaieri [72.5K]

Answer:

m∠P ≅ m∠L; this can be confirmed by translating point P to point L.

Step-by-step explanation:

Angle angle (AA) similarity postulate state that two triangles are similar if two of their corresponding angle is similar. The corresponding angle for each point of the triangles will be:

∠L=∠P

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Since the 2nd triangle made from dilation, it should maintain its orientation.

Option 1 is true, ∠P corresponds to ∠L. If you move/translate point P to point L, you can confirm it because their orientation is the same.

Option 2 is false, the triangle will be similar if ∠P=∠N but you can't confirm it with translation alone.

Option 3 and 4 definitely wrong because it speaking about length, not the angle.

6 0
3 years ago
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On a scale drawing of a rectangular closet, the length is 125 inches and the width is 3 inches.
katovenus [111]
Scale Factor 1: 42

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Find actual length for 125 inches:
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125 x 42 = 5250 inches

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Find actual length for 3 inches:
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3 x 42 = 126 inches

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Dimension of the actual closet:
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5250 inches by 126 inches
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Answer:

36288

Step-by-step explanation:

i calculated and this is what i got i ope this helps

8 0
2 years ago
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