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timurjin [86]
3 years ago
15

Which ordered pair is the best estimate for the solution of the system of equations?

Mathematics
1 answer:
shutvik [7]3 years ago
4 0

Answer:

Hello im like 3 years late to this but your answer would be B for future people who will look up this question Hope it helps!

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Factor 64x^2-25y^2<br><br> enter your answer in the box
OLEGan [10]

Answer:

(8x - 5y)(8x + 5y)

Step-by-step explanation:

To factor the expression, use the difference of squares pattern. A difference of squares is subtraction between two perfect squares and factors as a² - b² = (a-b)(a+b).

The expression has the perfect squares 64x² and 25y². Take the square root of each. The factors become (8x - 5y)(8x + 5y).

3 0
3 years ago
Complete the square:<br> x2 - 6x + 9=-13+ blank
kvasek [131]

Answer:

to complete the square, you add (b/2)^2  on both side. in this case, b is -6, half of -6 is -3, -3 squared is 9, so:

x^2-6x+9=-13+9

(x-3)^2=-4

This quadratic equation have unreal solutions

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Dida bought a scratch ticket for $2.00. The potential payoffs and probability of those payoffs are shown below.
kakasveta [241]

9514 1404 393

Answer:

  (b)  $1.15

Step-by-step explanation:

The expected value is the sum of products of payoff and probability:

  $0×0.15 +0.50×0.5 +1.0×0.2 +2.0×0.1 +10×0.05

  = $0 +0.25 +0.20 +0.20 +0.50

  = $1.15 . . . . expected value of the scratch ticket

4 0
2 years ago
2x-14y= -16 solve for x ..
Kruka [31]

2x - 14y = -16

Move all the terms without the variable on the other side of the equation. Add 14y to both sides of the equation.

2x = -16 + 14y

Divide both sides by 2.

x = -8 + 7y is your answer.

8 0
3 years ago
Read 2 more answers
13+[8×16-(24+5×b)÷2]÷3-45=0
alexgriva [62]
13 + [128 + (-24 - 5b)/2)]/3 - 45 = 0
(52 - 5b/2)/3 = 32
52/3 - 5b/6 = 32
14.67(6) = -5b
b = 88/-b
b= -17.6

5 0
3 years ago
Read 2 more answers
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