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2 years ago

Need help!!!! Pleaseeeee

Mathematics

1 answer:

Amanda [17]2 years ago

6 0

Answer:

for #2 I'm pretty sure he makes $10 per hour

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Complete the equation of the line through (-10,-7) and (-5, -9).<br>Use exact numbers,

steposvetlana [31]

Answer:

$y=\frac{-5}{2}*x + 18$

Step-by-step explanation:

A line in 2-dimensional space has the following general equation:

$y=m*x+b$

Where m is the slope of the line, and b just a number

the slope can be obtaine using th following formula:

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

The point 2 is the one with the smallest value for x, that is (-10,-7) and the Point 1 is any other that belongs to the line, in this case, (-5,-9)

$m=\frac{-5 - (-10) }{-9 - (-7)}$

Resulting that $\frac{-5}{2}$

To find the other term we can use any other point, I prefer us the first one so...

We have the following equation:

$-7=\frac{-5}{2}*(-10)+b$

Resulting that b=18

I just have to eval the point (-10,-7) in the equation stated at the beginning knowin that m was calculated previously.

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3 years ago

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So if there is 575 students and 20% lile salad how many students is it?

Reika [66]

I think you multiply, 575*0.20=115?

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3 years ago

Absolute power of x minus 8 equals -5 solve

Shalnov [3]

Your answer is "x=3"!

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3 years ago

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For the function f(x)=|x−7|−4, evaluate f(x+1).

GarryVolchara [31]

Answer:

$\displaystyle{f(x+1)=|x-6|-4}$

Step-by-step explanation:

To evaluate $\displaystyle{f(x+1)}$ , substitute $\displaystyle{x}$ to $\displaystyle{x+1}$ so we should have:

$\displaystyle{f(x+1) = |x+1-7|-4}$

Evaluate the expression and finally, we have:

$\displaystyle{f(x+1)=|x-6|-4}$

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2 years ago

Solve by elimination <br> 3x - 2y = 4<br> x+4y=34

Xelga [282]

Answer:

x= 6

y= 7

Step-by-step explanation:

multiply top by 2 then eliminate

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3 years ago