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3 years ago

Please help. Don’t understand this math problem!!!

Mathematics

1 answer:

anzhelika [568]3 years ago

3 0

Answer:

the line will have a point at -5, as that is it's y- intercept, and the slope is one so each following point is one diagonal to it on the right side, as the slope is positive

Step-by-step explanation:

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What are the solutions to the quadratics equation 2x+ + 6x – 20 = 1

kodGreya [7K]

Math I hate math bc it sucks

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3 years ago

PLEASE HELP ME ASAP! CLICK ON THE PICTURE AND ZOOM IN TO HELP ME!

Svetlanka [38]

Answer:

Step-by-step explanation:

Janes Raise: 4% of 41,200:

1648

Johns Raise; 4.5% of 43,900:

1975.4

Jacks Raise: 3% of 39,700:

1191

1648+1975.5+1191 = 4,814.5 which is about $4,815

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2 years ago

I need help with this question please

LenaWriter [7]

Answer:

Step-by-step explanation:

30t - 5t² = 10

5t² - 30t + 10 = 0

t = [30 ± √(30² - 4 ⋅ 5 ⋅ 10)] / [2 ⋅ 5]

= [30 ± √700] / 10

= [30 ± 10√7] / 10

= 3 ± √7

≈ 0.35 seconds and 5.65 seconds

6 0

3 years ago

Which expression is equivalent to the following complex fraction?

iVinArrow [24]

Answer:

Option B

Step-by-step explanation:

Numerator:

$\dfrac{3}{x -1 }-4 =\dfrac{3}{x-1}-\dfrac{4*(x-1)}{x-1}\\\\$

$=\dfrac{3- 4x -4*(-1)}{x-1}=\dfrac{3-4x+4}{x-1}\\\\\\=\dfrac{-4x+7}{x-1} \: \textbf{ [Combine like terms]}$

Denominator:

$2-\dfrac{2}{x-1}=\dfrac{2*(x-1)}{x-1}-\dfrac{2}{x-1}\\$

$= \bf \dfrac{2x-2-2}{x-1}\\\\\\= \dfrac{2x-4}{x-1}\\\\= \dfrac{2*(x- 2)}{x-1}$

$\dfrac{\dfrac{3}{x-1}-4}{2-\dfrac{2}{x-1}}=\dfrac{\dfrac{-4x+7}{x-1}}{\dfrac{2*(x-2)}{x-1}}$

$\bf = \dfrac{-4x+7}{x-1}*\dfrac{x-1}{2(x-2)} \ \ \ \textbf{ [(x-1) in the numerator and denominator will be cancelled]}\\\\\\=\dfrac{-4x+7}{2(x-2)}$

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3 years ago

Help please math thank you

bija089 [108]

Answer:

Step-by-step explanation:

4 0

3 years ago