3 years ago

Consider the following equation.

Mathematics

1 answer:

ZanzabumX [31]3 years ago

5 0

Answer:

(0,0)

Step-by-step explanation:

Just look in a graphing calculator.

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12. A full turn is 360 degrees. 360 divided by 30 is 12.

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Solve<br>2x + 5x - 11 = -46

irga5000 [103]

Answer:

Step-by-step explanation:

7x-11=-46

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3 years ago

Jane has a pre-paid cell phone with Splint. She can't remember the exact costs, but her plan has a monthly fee and a charge for

yan [13]

Answer:

The costs of the plan are $0.15 per minute and a monthly fee of $39

Step-by-step explanation:

Let

x ----> the number of minutes used

y ----> is the total cost

step 1

Find the slope of the linear equation

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have the ordered pairs

(100,54) and (660, 138)

substitute

$m=\frac{138-54}{660-100}$

$m=\frac{84}{560}=\$0.15\ per\ minute$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=0.15\\point\ (100,54)$

substitute

$y-54=0.15(x-100)$

step 3

Convert to slope intercept form

Isolate the variable y

$y-54=0.15x-15\\y=0.15x-15+54\\y=0.15x+39$

therefore

The costs of the plan are $0.15 per minute and a monthly fee of $39

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3 years ago

Robert says his better long jump was about 1 foot farther than May's better long up. Is he correct? Explain.

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We need mor information to tell what there best long jumps are

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