3 years ago

Factor the expression -18y-27

Mathematics

1 answer:

BartSMP [9]3 years ago

6 0

Answer:

-9(2y+3) Tip: Download photo math lol : )

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Use the figure to the right to find the value of PT. T is the midpoint of PQ.

Fiesta28 [93]

Answer:

30 units

Step-by-step explanation:

PT=TQ

3x+9=5x-5

3x-5x=-5-9

-2x=-14

x=7

Putting value of x in PT above

PT=3x+9=3x7+9

PT=30 units

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4 years ago

The midpoint of AB is M(1, 3). If the coordinates of A are(4,1), what are the coordinates of B?

Oxana [17]

Answer:

B(-2,5)

Step-by-step explanation:

$\frac{x + 4}{2} = 1 \\ 2 \times \frac{x + 4}{2} = 1 \times 2 \\ x + 4 = 2 \\ x = 2 - 4 \\ x = - 2 \\ \frac{y + 1}{2} = 3 \\ 2 \times \frac{y + 1}{2} = 3 \times 2 \\ y + 1 = 6 \\ y = 6 - 1 \\ y = 5$

Hope that this is helpful.

Have a nice day.

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3 years ago

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romanna [79]

I feel like the answer is C

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3 years ago

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umka2103 [35]

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4 years ago

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You're moving the decimal 7 places to the left so the answer is 9.647 x 10^7

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