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EastWind [94]
3 years ago
15

Add −1310+25−1310+25 using the number line. Select the location on the number line to plot the sum

Mathematics
2 answers:
sveta [45]3 years ago
6 0

Answer:

he really means

Step-by-step explanation:

-1 3/10 +2/5

miskamm [114]3 years ago
4 0
I believe it would be 25
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Find an equation of the line parallel to 8x − 3y = 1 and containing the point (−2, 0)
Anna007 [38]

The equation of the line parallel to 8x − 3y = 1 and containing the point (−2, 0) is 8x -3y = -16

<h3>Equation of a straight line</h3>

From the question, we are to determine the equation of the line parallel to the given equation and that passes through the given point

Lines that are parallel to each other will have the same slope.

First, we will determine the slope of the line in the given equation.

The given equation of the line is

8x − 3y = 1

Express the equation in the slope-intercept form of a line, y = mx + b

Where m is the slope and

b is the y-intercept

That is,

8x − 3y = 1

8x -1 = 3y

3y = 8x - 1

y = 8/3(x) - 1/3

By comparing,

∴ The slope of the line is 8/3

Since we are to find the equation of a line parallel to this, the slope of the line will also be 8/3

Now, find the equation of a line containing the point (-2, 0) and that has  a slope of 8/3

Using the point-slope form of a line

y - y₁ = m(x - x₁)

x₁ = -2

and y₁ = 0

∴ y - 0 = 8/3(x - -2)

y = 8/3(x +2)

3y = 8(x +2)

3y = 8x + 16

8x -3y = -16

Hence, the equation of the line parallel to 8x − 3y = 1 and containing the point (−2, 0) is 8x -3y = -16

Learn more on Equation of a line here: brainly.com/question/13763238

#SPJ1

5 0
2 years ago
What value of z* should be used to construct an 88% confidence interval of a population mean? Answer choices are rounded to the
nirvana33 [79]

Answer:

The answer is "1.555"

Step-by-step explanation:

In the given question choices were not defined som the correct answer to this question can be defined as follows:

Given:

The value of  z* for 88% confidence interval are:

\to \frac{Z_{\alpha}}{2} \\\\\to Z_{0.06}\\\\\to \boxed{1.555}

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3 years ago
Solve the following equation: <br> a/3.5 - 4.8 = 6.3 <br> a= ______
wlad13 [49]

Answer:

a= 38.85

Step-by-step explanation:

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3 years ago
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Tema [17]

Answer:

9, 16, 169, and 625 are perfect squares.

Step-by-step explanation:

3²=9    4²=16     13²=169     25²=625

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