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VikaD [51]
4 years ago
10

In a surgery, three out of ten people named blue as their favorite color. One out of five named red, if 1,200 people were includ

ed in the surgery, how many named blue or red as their favorite color?
Mathematics
1 answer:
Firlakuza [10]4 years ago
6 0
It's too simple to help...

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Peanuts cost $12.00 for 2.5 pounds.How much for 1 pound
solmaris [256]

Answer:

$4.80

Step-by-step explanation:

Make a proportion

$12 for 2.5 pounds, and $x for 1 pound

12/2.5=x/1

x/1 is equivalent to x

12/2.5=x

Divide

x=4.8

So, one pound of peanuts costs $4.80

6 0
3 years ago
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18 ft = 6 yd<br> O True<br> O False<br> Help
Tomtit [17]

Step-by-step explanation:

there is 3 feet in a yard

divide by 3

18 ÷ 3 = 6

true

8 0
4 years ago
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Can someone help me please
nordsb [41]

Answer:

so the answer is the third one

3 0
3 years ago
A researcher wants to determine whether the rate of water flow (in liters per second) over an experimental soil bed can be used
pantera1 [17]

Here we are given the specific equation of:

amount of eroded soil = 0.4 + 1.3 x

where x is the flow rate

 

A linear equation has a general formula in the form of:

y = m x + b

where m is the slope and b is the y intercept of the equation

 

If we compare this with our specific equation, we can see that the slope and y intercept are both positive with values:

m = 0.4

b = 1.3

Therefore this only means that as the flow rate increases, the amount of eroded soil also increases.

Hence the correlation must be positive but we cannot solve for the exact value since we need the data for x and y.


Answer: 

positive, but we cannot say what the exact value is

4 0
3 years ago
On a certain hot​ summer's day, 731 people used the public swimming pool. The daily prices are $ 1.25 for children and $ 2.00 fo
bulgar [2K]

Answer:

290 adults and 341 children

Step-by-step explanation:

5 0
3 years ago
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