3 years ago

Can someone plz help me with this one problem plzzzzz!!!!

Mathematics

1 answer:

rodikova [14]3 years ago

7 0

Answer:

the 1st graph

Step-by-step explanation:

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Factor x^2-10x+25,please show work

Papessa [141]

This is relatively easy because that 25 is a perfect square, whose (square) roots are 5 and -5. x^2-10x+25 = (x - 5)(x - 5). Note how (-5)(-5) = +25, and how -5x - 5x = -10x.

The roots are { (x-5), (x-5) }.

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3 years ago

I NEED HELP PLEASE IM STRUGGLING

zepelin [54]

I think the answer is either B or C I am not completely sure but I got 36

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2 years ago

if a dealer buys a car from a manufacturer for $20,480 and sells it for $26,808...what is his markup? rounded to the nearest ten

yulyashka [42]

To find the markup, substract the price at which the car was bought from the price at which the car was sold:

$26,808-20,480=6328$

To find the markup as a percentage from the original price, set 20,480 to be equal to 100%. If <em>x%</em> represents 6328, then:

$\begin{gathered} \frac{x}{6328}=\frac{100}{20,480} \\ \Rightarrow x=\frac{100\times6328}{20,480}=30.898\ldots \end{gathered}$

To the nearest tenth, 30.898... = 30.9.

Therefore, the markup is equal to 30.9%.

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1 year ago

15 of the 25 employees at Carlo’s Car Repair wear contact lenses. What percent of the employees wear contact lenses?

Verizon [17]

Answer:

60%

Step-by-step explanation:

Convert the fraction to a decimal, then multiply by 100 .

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3 years ago

Find the sum<br> -2+(-3) =

katen-ka-za [31]

Step-by-step explanation:

In simple terms it is, -2-3= -5

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