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torisob [31]
3 years ago
11

Triangle QRS has been translated to create triangle Q'R'S'. RS = R'S' = 2 units, angles S and S' are both 28 degrees, and angles

R and R' are both 32 degrees. Which postulate below would prove the two triangles are congruent?
Mathematics
2 answers:
Ghella [55]3 years ago
8 0
The triangle shares two angles and 1 side : ASA.
adoni [48]3 years ago
7 0
If this is a triangle all the angles should equal 180 right. So if you add 32 +28=s and 180- s= the missing angle which will prove weather or not its congruent.
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Anna wants to factor the polynomial p(x)=5x^4+40x. She knows that the sum of cubes formula is a^3+b^3=(a+b)(a^2−ab+b^2).
Artemon [7]

Answer:

Part A:  Option 2, A: Anna’s answer is incorrect. She correctly factored out 5x, but incorrectly identified a and b, so her answer cannot be correct.

Part B:  Option 3, B: 5x(x+2)(x^2−2x+4)

Step-by-step explanation:

p(x) = 5x^4 + 40x

p(x) = 5x(x^3 + 8)

p(x) = 5x(x + 2)(x^2 - 2x + 4)

Part A:  Option 2, A: Anna’s answer is incorrect. She correctly factored out 5x, but incorrectly identified a and b, so her answer cannot be correct.

Part B:  Option 3, B: 5x(x+2)(x^2−2x+4)

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nata0808 [166]
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3 years ago
1. Solve: 6x - 12 &lt; 6<br> 2. Solve: 2(3x-8) &gt;8
8090 [49]

Answer:

Step-by-step explanation:

1. here you go mate

step 1

6x - 12 < 6  equation

step 2

6x - 12 < 6  simplify

6x-12+12<6+12

step 3

6x<18  Divide both sides

\frac{6x}{6}

answer

x<3

2. Here you go mate

step 1

2(3x-8) >8  equation

step 2

2(3x-8) >8  simplify

6x-16+16>8+16

step 3

6x>24  divide both sides

\frac{6x}{6} >\frac{24}{6}

answer

x>4

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Eddi Din [679]

Answer:

c is -7

Step-by-step explanation:

-7 + 10 = 3

:D

8 0
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matrenka [14]

Answer:

x - 7/9 = f(x)^-1

Step-by-step explanation:

f(x) = 9x + 7

y - 7 = 9x

y - 7/9 = 9x/9

Interchange!

x - 7/9 = y

7 0
3 years ago
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