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3 years ago

I’m sorry, I don’t really understand algebra. Please help me out if these

Mathematics

1 answer:

meriva3 years ago

5 0

Answer:

Bottom One

Step-by-step explanation:

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Which of the following expressions can you multiply using the FOIL Method? Check all that apply. Please Hurry. 50 points!!

Helen [10]

Answer: the answers are

(x+a)(x-b)

(3x-2)(x+4)

Step-by-step explanation: i took the test and got it right hope this helps!

8 0

3 years ago

For every 15 minutes of a show, there are two minutes to commercial. At this rate, if leila has seen 45 minutes of a show, how m

Ainat [17]

Answer:

51 minutes.

Step-by-step explanation:

We have been given that for every 15 minutes of a show, there are two minutes to commercial. At this rate, Leila has seen 45 minutes of a show. We are asked to find the time for which Leila has been watching TV.

We will use proportions to solve our given problem.

$\frac{\text{Minutes of TV show + Advertisement}}{\text{Minutes of TV show}}=\frac{15+2}{15}$

$\frac{\text{Minutes of TV show + Advertisement}}{\text{Minutes of TV show}}=\frac{17}{15}$

Upon substituting our given values, we will get:

$\frac{\text{Minutes of TV show + Advertisement}}{45}=\frac{17}{15}$

$\frac{\text{Minutes of TV show + Advertisement}}{45}\times 45=\frac{17}{15}\times 45$

$\text{Minutes of TV show + Advertisement}=\frac{17}{1}\times 3$

$\text{Minutes of TV show + Advertisement}=51$

Therefore, Leila has been watching TV together for 51 minutes.

8 0

3 years ago

Which function is most likely graphed on the coordinate plane below?<br> y у

Sindrei [870]

Answer:b

Step-by-step explanation:

i took it

7 0

2 years ago

When working overtime, an auto mechanic gets paid 1.5 times the normal hourly wage. Overtime is the amount of time worked beyond

DedPeter [7]

So

x=hours
y=pay

use a piecewise function maybe

for x≤40, use y=21x

for x>40, use 840+1.5(21(x-40))

k, sso 46>40 so

840+1.5(21(46-40))
840+1.5(21(6))
840+1.5(126)
840+189
1029

A. 840+1.5(21(x-40))
B. $1029

7 0

3 years ago

What's the value of x?

marshall27 [118]

The value of x is 2.5

6 0

3 years ago