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1 year ago

I don’t understand!!

Mathematics

1 answer:

svetoff [14.1K]1 year ago

8 0

Answer:

-1/2y + 3

Step-by-step explanation:

group like terms:

2/5y - 9/10y - 4 + 7

factor out y:

y (2/5 - 9/10) - 4 + 7

add the numbers:

y (2/5 - 9/10) + 3

simplify:

y (-1/2) + 3

= -1/2y + 3

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3 years ago

Mr. Castillo earns 270,920.64 a year. What is his monthly salary?

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4 years ago

2. Explain, in words, how you would solve this problem. Hint: you should get 1 point

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3 years ago

Read 2 more answers

What is the awnser to -12/-4=

givi [52]

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3 years ago

Read 2 more answers

What is the slope of the secant line? Thank you

Burka [1]

Answer:

Given that,

The function is,

$f(x)=1.2x^3-37x^2+265x+555$

To find: To find the slope of the secant line from x1=0 and x2=4

Explanation:

First we find the corresponding y values that is y1 and y2 for the given x1 and x2 respectively.

we get,

Whwn x1=0,

$y1=f(x1)=f(0)$

$f(0)=1.2(0)^3-37(0)^2+265(0)+555$ $f(0)=555$ $y1=555$

When x2=4, we get,

$f(4)=1.2(4)^3-37(4)^2+265(4)+555$ $f(4)=1099.8$

To find the slope of the line passing the points (0,555), (4,1099.8)

we know that,

Slope of the line passing through the points (x1,y1) and (x2,y2)

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

we get,

$m=\frac{1099.8-555}{4-0}$ $m=\frac{544.8}{4}$ $m=136.2$

Answer is:

Slope of the secant line from x1=0 and x2=4 is 136.2.

4 0

1 year ago