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3 years ago

Which values of m and b will create a system of equations with no solution? Check all that apply.

Mathematics

2 answers:

Law Incorporation [45]3 years ago

8 0

Answer:

y = -2x + 1

Step-by-step explanation:

Then any equation of the form y = -2x + b, b≠1 will create a system with no solution. Hence the values of m and b are m = -2, b ≠ 1.

hope i helped

Effectus [21]3 years ago

6 0

Answer:

Option B and E

Step-by-step explanation:

As we know a system of two parallel lines has no solution.

In other words two lines having same slope will have no solution.

In this question equation of one line is

y = -2x + b

So another line having same slope (-2) will have no solution.

Option B and E are the correct options.

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In this cube, each small square has side length 1 unit.

Nastasia [14]

1. 6 units squared

2. 1 unit cubed

Step-by-step explanation:

In a cube, all the sides of all the squares have the same length.

Therefore, to find the surface area of the cube we will find the area of one square and multiply this with the number of squares in the cube (which is 6 sides)

(1*1) * 6 = 6

= 6 units squared

The formula for volume is Length * Width * Height

1 * 1 * 1 = 1

= 1 unit cubed

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3 years ago

What is the solution of the equation 1/6 x =12

weqwewe [10]

1/6x =12
1x/6=12
—-
1x/6=12
x/6 =12
—-
x/6=12
6•x/6=6 • 12
——
x=72

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2 years ago

If a bolt of fabric measuring 20 yards 8 inches is divided into 26 equal parts. how long is each section?

Troyanec [42]

1 yd = 36 inches....so 20 yds = 20*36 = 720 inches....+ 8 inches = 728 inches

728 / 26 = 28 inches....<==each section is 28 inches

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2 years ago

Charlie buys a pack of 8 thank you cards for 1.20$ using the pickles shown below. How much does he spend on each thank you card?

damaskus [11]

15 cents that should be how much it was on my test

7 0

3 years ago

Read 2 more answers

The correlation coefficient r between the values assumed by two variables, X

Flura [38]

The slope of the line of best fit to the raw-score scatter plot is 0.98

The equation is y = 0.98x - 3.74
The value of y given that x = 12 is 8.02

<h3>How to determine the slope of the line?</h3>

From the question, we have the following parameters that can be used in our computation:

Standard deviations of X, Sx = 1.88
Standard deviations of Y, Sy =2.45
Correlation coefficient, r between X and Y = 0.75

The slope (b) of the line is calculated as

b = r * Sy/Sx

Substitute the known values in the above equation, so, we have the following representation

b = 0.75 * 2.45/1.88

Evaluate

b = 0.98

<h3>The equation of the line of best fit</h3>

A linear equation is represented as

y = bx + c

Where

Slope = b

y-intercept = c

In (a), we have

b = 0.98

So, we have

y = 0.98x + c

Recall that the point (13, 9) is on the line of best fit.

So, we have

9 = 0.98 * 13 + c

This gives

9 = 12.74 + c

Evaluate

c = -3.74

So, we have

y = 0.98x - 3.74

<h3>The value of y from x</h3>

Here, we have

x = 12

So, we have

y = 0.98 x 12 - 3.74

Evaluate

y = 8.02