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4 years ago

6

The temperature outside on a cold January evening is Syracuse was 7 degrees below zero. As the night went on, the temperature in

creased by 11 degrees. What was the new temperature? Show your work

1 answer:

maks197457 [2]4 years ago

3 0

Answer:4

Step-by-step explanation:

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What is a difference of squares with a factor of (3x + 7) ?

Inga [223]

Answer:

9x² - 49

Step-by-step explanation:

A difference of squares factors in general as

a² - b² = (a + b)(a - b)

Given (3x + 7) with a = 3x and b = 7

Then the other factor is (3x - 7)

(3x + 7)(3x - 7)

= (3x)² - 7²

= 9x² - 49

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3 years ago

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aivan3 [116]

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Solve using the quadratic formula x2 - 6x - 40=0 Question options: x = 10 or x = -4 x = 4 or x = -10 x = -7 or x = 7 x = -4 - √7

Crazy boy [7]

Answer:

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Step-by-step explanation:

$ax^2+bx+c=0$

$x^2-6x-40=0$

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

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ANEK [815]

Answer:

6 x 3 x 1 = 18

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18 + 96 = 114 ft cube

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3 years ago