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3 years ago

What’s two more than a number in the expression form

1 answer:

3 0

The answer is x+2 b/c
a) whenever it says than it means that this part goes second.
b) a number - substitute w/ any letter
ex: x
c) put it together
two more than (_+2) a number (x) is x+2

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What is the slope of a line parallel to the line with equation 2x+4y=8

bagirrra123 [75]

Answer:

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

Step-by-step explanation:

To find the slope of most lines, we should rearrange the equation into the slope-intercept form or y = mx + b.

So,

2x + 4y = 8

4y = -2x + 8

$y=\frac{-2x +8}{4}$

$y=\frac{-2}{4}x+\frac{8}{4}$

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

The slope is the coefficient of the x term, so

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

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3 years ago

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In the above, ABCD is a square with sides of length 6. If X is the midpoint of side AB, and If Z is the midpoint of CD, what is

o-na [289]

Answer:

Step-by-sitstep explanation:

so its easy add ab and after that add the x

5 0

3 years ago

AUTOMOBILES The engine torque y (in foot-pounds) of one model of car is given by y = º3.75x2 + 23.2x + 38.8 where x is the speed

Scilla [17]

Answer:

Part 1) The engine speed that maximizes torque is $3,093 rev/min$

Part 2)The maximum torque is $74.683\ foot-pounds$

Step-by-step explanation:

<u><em>The correct equation is</em></u>

$y=-3.75x^{2}+23.2x+38.8$

This is the equation of a vertical parabola open downward (because the leading coefficient is negative)

The vertex represent a maximum

The x-coordinate of the vertex represent the engine speed that maximizes torque

The y-coordinate of the vertex represent the maximum torque

Solve the quadratic equation by graphing

using a graphing tool

The vertex is the point (3.093,74.683)

see the attached figure

therefore

The engine speed that maximizes torque is

$3.093(1,000)=3,093 rev/min$ ---> because is in thousands of revolutions per minute

The maximum torque is

$74.683\ foot-pounds$

7 0

3 years ago

How does making a list help you find common factors

Flura [38]

Is the greatest factor that two or more numbers have in common. One way to find the GCF is to make lists of the factors for two numbers and then choose the greatest factor that the two factors have in common.

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4 years ago

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How to simplify the expression (3t) to the fourth power

Nadya [2.5K]

Answer:

$81t^4$