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ozzi
4 years ago
12

experienced housepainter can paint an inside wall in under twenty minutes. An inexperienced housepainter can take up to one hour

. If a team of an experienced painter and an inexperienced painter work on a room together, what is the longest it should take them to paint the four walls, if they finish at the same time?
Mathematics
1 answer:
vovikov84 [41]4 years ago
6 0
1 hour
The exerience 3 walls in a hour and the other guy paint the otherone
Sorry i dont speek english
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Tamika was just hired at the Grab and Go Convenience store as a stocker. She is paid $8 an hour. She can work 35 hours a week. S
Vedmedyk [2.9K]

Answer: 2.6 weeks

Explanation: Look at attachment

7 0
3 years ago
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What is the slope-intercept form for each equation in this system? Compare the slopes and y-intercepts to describe the graph of
Yuliya22 [10]

Answer:

We can compare slopes and y-intercepts. The first equation has m=3/4 and b=7. The second has m=-2/5 and b=2. They are intersecting lines.

Step-by-step explanation:

These equations are in the standard form of a line. We can convert to the slope-intercept by solving for y.

3x-4y=28\\-4y=28-3x\\\frac{-4y}{-4} =\frac{28-3x}{-4} \\

y=-7+ \frac{3}{4} x

We can now convert the second equation.

4x+10y=20\\10y=20-4x\\\frac{10y}{10}=\frac{20-4x}{10}

y=2-\frac{4}{10}x

y=2-\frac{2}{5}x

We can compare slopes and y-intercepts. The first equation has m=3/4 and b=7. The second has m=-2/5 and b=2. They are intersecting lines. This eliminates A and B. The answer based on the information given is likely D.


5 0
3 years ago
Determine whether the number 1 is prime or composite. Explain how you know.
nikdorinn [45]

To determine if a number is prime or composite, follow these steps: Find all factors of the number. If the number has only two factors, 1 and itself, then it is prime. If the number has more than two factors, then it is composite.

From Google.

8 0
3 years ago
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How many 3 letter permutations are possible for the letters s t u d y h a r d
REY [17]
There are 5


hope that this helps and good luck
4 0
3 years ago
Hi, I need help.
slavikrds [6]

Answer:

B, 24 (second answer choice)

Step-by-step explanation:

4r+7s=23

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8r+14s=46

7r-14s=119

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r=11

11-2s=17..........by putting value of r in ii

-2s=17-11

2s= -6

s= -3

3r+3s=3*11+3(-3) you get this by putting values of r and s

       =33-9

       =24    (B)

7 0
3 years ago
Read 2 more answers
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