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3 years ago

Solve for x. Write the smaller solution first, and the larger solution second. x^2 - 5x - 14 = 0x 2 −5x−14=0

Mathematics

1 answer:

erastova [34]3 years ago

4 0

Answer:

-2,7

Step-by-step explanation:

the eqn is in the form of ax^2 +bx +c=0

use x= $\frac{-b+\sqrt{b^2 - 4ac} }{2a}$ and x= $\frac{-b-\sqrt{B^2 - 4ac} }{2a}$

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Two buses are moving towards each other, one at a speed of 40 mph and the other at a speed of 50 mph. How much closer to each ot

steposvetlana [31]

What is the starting distance

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3 years ago

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sue stacked one box onto another. the bottom had the height of 2 1/3 feet and the top box had the height of 3 2/3 feet. how tall

Scilla [17]

Height of bottom box : - $2 \frac{1}{3} => 7/3$
Height of top box : - $3 \frac{2}{3} => 11/3$

Thus, height of two boxes =

$\frac{7}{3} + \frac{11}{3} = \frac{18}{3} => 6ft$

Happy to help chodini!

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3 years ago

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What is the slope of the line that passes through (1, 4) and (1, −3)?

Mazyrski [523]

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (1, 4) and (1, -3). Substitute:

$m=\dfrac{-3-4}{1-1}=\dfrac{-7}{0}\qquad\boxed{!!!!}$

DIVISION BY ZERO!!!

Answer: The slope is undefined.

It's a vertical line x = 1.

6 0

3 years ago

Answer all and maybe you can get brainest

zhannawk [14.2K]

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22
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Goes by row, up to down

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4 years ago

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HELP!!!

Anuta_ua [19.1K]

Answer:

$\$77,000$ and the graph would fall at a slower rate to the right

Step-by-step explanation:

we have

$y=Ao(0.79)^{x}$

Observing the graph

The initial value Ao of the truck is equal to the y-coordinate of the y-intercept of the graph

$Ao=\$77,000$

If the depreciation rate was 15% per year, the new formula would be

$y=Ao(1-0.15)^{x}$

$y=Ao(0.85)^{x}$

$y=77,000(0.85)^{x}$ ----> the graph would fall at a slower rate to the right

using a graphing tool

compare the graphs

8 0

3 years ago