3 years ago

Graph the equation by plotting three

1 answer:

8 0

Graph the equation in a graphing calculator or in the table in a regular calculator and look for the zero on the x axis and the y axis

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Find 3 consecutive even numbers where the product of the smaller two numbers is 40 less than the square of the largest number.

Marina86 [1]

$3\ consecutive\ even\ numbers:\ 2x,2x+2,2x+4\\\\2x(2x+2)+40=(2x+4)^2\\\\
4x^2+4x+40=4x^2+16x+16\\\\
4x^2-4x^2+4x-16x=16-40\\\\-12x=-24\ \ |:(-12)\\\\x=\frac{24}{12}=2\\\\2x=2=4\\\\2x+2=6\\\\2x+4=8\\\\Numbers\ are\ 4,6,8.$

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3 years ago

Find the slope and the y-intercept of y=9x-2

Anna71 [15]

Answer:

The Slope is 9 and the y-intercept is -2

Step-by-step explanation:

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3 years ago

Read 2 more answers

Help with this question please help

levacccp [35]

Slope is 2
Y intercept is 4

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2 years ago

the angles of a triangle are in the ratio 3:4:5. what is the degree measure of the smallest angle of the triangle?

Alik [6]

A triangle interior angles add up to 180

so we have 3:4:5
the ratio of the angles
3+4+5=12
therefor 180=12 units
divide by 12
15=1 unit
subsitute
find the smallest unit
3
3 times 15=45
answer is 45 degrees

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3 years ago

What expression is equivalent to -0.5x - 4?

Assoli18 [71]

Answer:

2x-32

Step-by-step explanation:

You would distribute the 4.

3 0

2 years ago