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dimaraw [331]
3 years ago
11

As a punishment for something naughty that we did, my little brother and I have to whitewash both sides of a fence. We start at

the same time, and we each work at a constant rate.
If we each whitewash one side, I'll finish in $2$ hours and my brother will finish in $3$ hours. But I'm a nice kid, so after I finish my side, I go around to the other side and help my brother finish his side. From the time I start helping him, how many minutes does it take us to finish the job?
Mathematics
1 answer:
zlopas [31]3 years ago
8 0

Answer:

60 minutes which grade

are you in I did it I think

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I really don't understand this I need help
Salsk061 [2.6K]
In looking at it I would guess it is asking which of the points is on the line? To answer that you would have to take each point an plug it into the equation and see if it is true.

3x - 7 = y

A(9,20)  
3(9) - 7 = 20
27 - 7 = 20
20 = 20 True - this point is on the line

B(5,0)
3(5) - 7 = 0
15 - 7 = 0
8 = 0 False - this point is not on the line

C(3,2)
3(3) - 7 = 2
9 - 7 = 2
2 = 2  True - this point is on the line

I hope this helps
7 0
3 years ago
Paul and Cindy own different pizza shops. Paul makes 12 pizzas the first day and 6 pizzas each day after that. Cindy makes 16 pi
pishuonlain [190]

The right answer is Option C.

Step-by-step explanation:

Given,

Pizzas made by Paul on first day = 12

Pizzas made each day after that = 6

Let,

p represent the number of pizzas made after first day.

Total pizzas = 6p + 12

Number of days = 8 because first day 12 pizzas are made

Total pizzas = 6(8)+12=60

Pizzas made by Cindy on first day = 16

Pizzas made each day after that = 4

Total pizzas = 4p + 16

Total pizzas = 4(8)+16=48

Paul has made more pizzas after 9 days. He has made 60 pizzas.

The right answer is Option C.

Keywords: comparison, addition

Learn more about addition at:

  • brainly.com/question/10712420
  • brainly.com/question/10744457

#LearnwithBrainly

6 0
3 years ago
If all pairs of consecutive angles of a quadrilateral are supplementary, then the quadrilateral is a parallelogram.
____ [38]
This is true.

It comes from the same side interior angles theorem which says that same side interior angles are supplementary, only if the lines are parallel. 
3 0
4 years ago
Read 2 more answers
A+b in terms of a and evaluated these expressions when a = 3​
jeka57 [31]

Answer:

a+b=a

or, 3+b=3 (a=3)

or, b= 3-3

or, b=0

5 0
3 years ago
A right rectangular prism has a volume of 470.40 cm³. The length of the solid is 6.4 cm and the width is 9.8 cm.
Aleonysh [2.5K]

Answer: 720.3

Step-by-step explanation:

First you divide 6.4 by 9.8 then you divide by 470.40 to get 720.3

Hope this helps

7 0
3 years ago
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