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3 years ago

What is the value of x to the nearest tenth?

Mathematics

1 answer:

Citrus2011 [14]3 years ago

8 0

Answer:

Step-by-step explanation:

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What is the equation of a line perpendicular to y=-2/5X-1 that passes through (2,-8)

AysviL [449]

Answer:

$y=\frac{5}{2}x-13$

Step-by-step explanation:

Given the equation

$y=-\frac{2}{5}x-1$

comparing the equation with the slope-intercept form $y=mx+b$

Here,

m is the slope

b is the intercept

so the slope of the line is m = -2/5

As we know that the slope of the perpendicular line is basically the negative reciprocal of the slope of the line,

so the slope of the perpendicular line will be: 5/2

Therefore, the point-slope form of the equation of the perpendicular line that goes through (2,-8) is:

$y-y_1=m\left(x-x_1\right)$

$y-\left(-8\right)=\frac{5}{2}\left(x-2\right)$

$y+8=\frac{5}{2}\left(x-2\right)$

subtract 8 from both sides

$y+8-8=\frac{5}{2}\left(x-2\right)-8$

$y=\frac{5}{2}x-13$

8 0

3 years ago

Find the nearest number before and after any real number.

Mkey [24]

Answer:

add 1 and subtract 1

Step-by-step explanation:

so if u add and subtract 1. take 5. 5+1 and -1 is 4 and 6

Hope this helps :D

6 0

3 years ago

Use technology or a z-score table to answer the question.

Romashka-Z-Leto [24]

121 of the green beans will be shorter than 13 centimeters.

First, we need to evaluate the expression below to find the z-score.
(13 - 11.2) / 2.1. = 0.86

The matching percent for this z-score is 0.8051.

Multiplying 0.8051 by 150 gives us about 121 green beans.

7 0

3 years ago

Please give me the correct answer.

ANEK [815]

Answer x=1/5
6x-3=-9x
-3=-15x
-3/-15x=1/5

7 0

3 years ago

Ms.stoner purchased a new computer for $1,150 at the apple store. If sales tax is 7.5% what was the total of her purchase

enyata [817]

First convert 7.5% into a decimal (.075)
1,150 * .075 = 86.25
1,150 + 86.25 = 1,236.25

3 0

3 years ago