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4 years ago

Seven more than twice a number is 17

Mathematics

1 answer:

Sidana [21]4 years ago

3 0

Answer:

2x + 7 = 17 using algebra equation you can resolve ir

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(45 POINTS AND BRAINLIEST FOR FIRST ANSWER)

dezoksy [38]

Addition: negative four plus negative four plus negative four equals negative twelve

Multiplication: negative four times three equals negative twelve

Division: twelve divided by 3 equals negative four

8 0

3 years ago

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At the peak of a roller coaster ride, the rider's watch flew off his wrist. The height h in feet of the watch, t seconds after h

defon

Answer:

$3 \: s$

Step-by-step explanation:

$y = - 16 {x}^{2} + 32x + 48 \\ 0 = \frac{ - 16 {x}^{2} + 32x + 48 }{ - 16} \\0 = {x}^{2} - 2x - 3 \\ 0= {x}^{2} - 3x + x - 3 \\ 0= x(x - 3) + 1(x - 3) \\0 = (x + 1)(x - 3) \\ \\ x + 1 = 0 \\ x = - 1 \\ x - 3 = 0 \\ x = 3$

Hope this helps you.

Can I have the brainliest please?

6 0

3 years ago

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If you are solving y 2+2y=48 by completing the square, the next line would be

snow_tiger [21]

For this case we have the following equation:

$y ^ 2 + 2y = 48$

By completing squares we have:

Step 1:

Add $(\frac {b} {2}) ^ 2$ on both sides:

$y ^ 2 + 2y + 1 = 48 + 1$

Step 2:

We rewrite the equation:

$(y + 1) ^ 2 = 49$

Step 3:

We solve the equation:

$y = \pm \sqrt {49} -1\\y = \pm7-1$

Solutions:

$y = 6\\y = -8$

Answer:

the next line would be:

$y ^ 2 + 2y + 1 = 48 + 1$

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3 years ago

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Find the value of the polynomial-x -x^2+3x+2 what x =-4

Lelechka [254]

I got 270. hope this helped

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3 years ago

Graph the function y=4x PLS NEED HELP ONLY GOT 3 HOURS

svet-max [94.6K]

Here is how to graph it :) :

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3 years ago

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