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3 years ago

Bob buys eggs and potatoes at a store

Mathematics

2 answers:

Anna007 [38]3 years ago

5 0

Answer:

A. x= (25.92 - 2.57) ÷ 5

Step-by-step explanation:

If you were to do (25.92 - 2.57) you get 23.35.

Then you must do 23.35 ÷ 5 and you get 4.67.

If you want to confirm the answer just do it all backward like

4.67 x 5 = 23.35

23.35 + 2.57 = 25.92

Hope this helped :)

Savatey [412]3 years ago

4 0

Answer:

Each potato cost $4.67

Step-by-step explanation:

$25.92-$2.57=$23.35

$23.35/5 =$4.67

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Graph the linear equation and answer each of the following questions. y=-2x-3

ollegr [7]

Answer:

Part 1) The y-intercept is the point (0,-3)

Part 2) The slope in fraction form is $m=-\frac{2}{1}$

Part 3) The graph in the attached figure

Step-by-step explanation:

we have

$y=-2x-3$

Part 1) What is the y-intercept?

Remember that

The y-intercept is the value of y when the value of x is equal to zero

For x=0

substitute in the linear equation and solve for y

$y=-2(0)-3\\y=-3$

The y-intercept is the point (0,-3)

Part 2) What is the slope (in fraction form)?

we have

$y=-2x-3$

This is the equation of the line in slope intercept form

$y=mx+b$

where

m is the slope or unit rate

b is the y-intercept

$m=-2$

In fraction form is

$m=-\frac{2}{1}$

The slope is negative, that means, is a decreasing function (as the x-values increases the y-values decreases)

Part 3) Graph the line

To graph the line we need two points

From the y-intercept (0,-3) use the slope to find your next point

The slope is -2, so you will rise -2 (2 units down) and run 1 (1 unit to the right).

The next point is (0+1,-3-2) -----> (1,-5)

Plot the points (0,-3) and (1,-5), connect them and graph the line

The graph in the attached figure

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3 years ago

30 points please help

SIZIF [17.4K]

Its option C

Verification

$\\ \sf\longmapsto x-5y\lt 7$

$\\ \sf\longmapsto -3-5(2)\lt 7$

$\\ \sf\longmapsto -3-10\lt 7$

$\\ \sf\longmapsto -13\lt 7$

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2 years ago

Find the equation of the line that contains the point (21,27) and is parallel to the x-axis.

Stells [14]

Answer:

y - 27 = 0 (x - 21) or y = 27

Step-by-step explanation:

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3 years ago

Find the average rate of change between f(-7) and f(-1) in the function f(x)=x^2+2x -8

Viktor [21]

Solve the equation by replacing x with -7 and then -1.

Then subtract the two to find the difference and divide that by the difference between -7 and -1.

f(-7) = -7^2 + 2(-7) -8 = 49 -14 -8 = 27

f(-1) = -1^2 + 2(-1) -8 = 1 -2 - 8 = -9

Difference between 27 and -9 = -36

Difference between -1 and -7 = -6

Rate of change = -36 /-6 = 6

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One-eighth of a number is -4,200.<br><br> What is the number?

Leno4ka [110]

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