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3 years ago

Find the sum of the given polynomials.

Mathematics

1 answer:

ioda3 years ago

7 0

<span>5m + 2n + n - 3m + 7 - 3 n
= 2m + 7

answer
</span><span>B. 2m + 7</span>

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Catherine Lewiston is currently earning an annual salary of $36,080 at

Nezavi [6.7K]

Answer:

$212.31

Step-by-step explanation:

divide $36,080 by 52 weeks in a year. you get $693.84 weekly.

divide $47,120 by 52 weeks in a year. you get $906.15 weekly.

then subtract 906.15 from 693.84 and you get 212.31

5 0

3 years ago

Rosita can wax her car in 2 hours or 120 minutes. When she works together with Helga, they can wax the car in 45 minutes. How lo

Mashcka [7]

<h2>Time taken by Helga to wax the car is 72 minutes</h2>

Step-by-step explanation:

Let w be the work of waxing.

Rosita can wax her car in 2 hours or 120 minutes.

Time taken by Rosita = 120 minutes

$\texttt{Rate of Rosita = }\frac{W}{120}$

Let time taken by Helga be t,

$\texttt{Rate of Helga = }\frac{W}{t}$

When she works together with Helga, they can wax the car in 45 minutes.

We have

$\frac{W}{\frac{W}{120}+\frac{W}{t}}=45\\\\120t=45(120+t)\\\\120t=5400+45t\\\\t=72minutes$

Time taken by Helga to wax the car is 72 minutes

6 0

3 years ago

I need help with Geometry

Bezzdna [24]

Answer:

angle 2 = 120 degrees

angle 3 = 30 degrees

Please let me know if you want me to add an explanation as to why this is the answer/how I got this answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

4 0

3 years ago

The factory makes 400 cars per day. If the workday is eight hours long. What is the hourly rate at which car are produced

bixtya [17]

Answer:

Step-by-step explanation:

400/8 =50

5 0

2 years ago

What is 2819 divided by 55

MaRussiya [10]

Answer:

51.2545454545

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers