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olga_2 [115]
3 years ago
15

It takes

Mathematics
2 answers:
KonstantinChe [14]3 years ago
7 0
There are 56 minutes for 10 people to paint 7 walls!
kumpel [21]3 years ago
5 0
4 people paint 8 walls in 60 minutes

1 person paints 8 walls in 240 minutes

1 person paints 1 wall in 30 minutes

5 people paint 1 wall in 6 minutes

5 people paint  4 walls in <span>24 minutes</span>
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2. Find the slope of the line that passes through the points A(0,2) and B(4,-1)
bogdanovich [222]

Answer:

Use the slope formula to find the slope of a line given the coordinates of two points on the line. The slope formula is m=(y2-y1)/(x2-x1), or the change in the y values over the change in the x values. The coordinates of the first point represent x1 and y1. The coordinates of the second points are x2, y2.

Step-by-step explanation:

6 0
2 years ago
Integrate the following. ∫<img src="https://tex.z-dn.net/?f=5x%5E%7B4%7D%20dx" id="TexFormula1" title="5x^{4} dx" alt="5x^{4} dx
Vadim26 [7]

Answer:

\displaystyle D)  {x}^{5}  +  \rm C

Step-by-step explanation:

we would like to integrate the following Integral:

\displaystyle \int 5 {x}^{4} \, dx

well, to get the constant we can consider the following Integration rule:

\displaystyle \int c{x} ^{n}  \, dx  =  c\int  {x}^{n}  \, dx

therefore,

\displaystyle 5\int  {x}^{4} \, dx

recall exponent integration rule:

\displaystyle \int {x} ^{n}  \, dx  =  \frac{ {x}^{n + 1} }{n + 1}

so let,

  • n = 4

Thus integrate:

\displaystyle  =  5\left( \frac{ {x}^{4+ 1} }{4 +  1}  \right)

simplify addition:

\displaystyle  =  5\left( \frac{ {x}^{5} }{5}  \right)

reduce fraction:

\displaystyle  =  {x}^{5}

finally we of course have to add the constant of integration:

\displaystyle  \boxed{ {x}^{5}  +  \rm C}

hence,

our answer is D)

7 0
2 years ago
Read 2 more answers
a hotel charges $225 per night to rent a suite. the hotel also charges $75 per day for full room service. of ashley and jessica
Ierofanga [76]
Well, 225 + 75 = 300. So, that means 300 dollars per night. 1,200 ÷ 300 =400

400 Is the answer.
3 0
3 years ago
Read 2 more answers
Calculate the area of the following composite figure.
Alexeev081 [22]
\bold{ANSWER:}
100 units^2

\bold{EXPLANATIONS:}

4 0
2 years ago
Read 2 more answers
I will give u brainliest
Gnesinka [82]

Answer:

It is 18

Step-by-step explanation:

A^2+31^2=36^2

After that you simplify then solve and you'll get 18

6 0
3 years ago
Read 2 more answers
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