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xeze [42]
2 years ago
7

I have a bad memory,i learned this but I forgot it (I swear I'm not lying)

Mathematics
1 answer:
mihalych1998 [28]2 years ago
3 0

Answer:

b

Step-by-step explanation:

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Tim and Tom are painters. Tim and Tom are painting a crate. Tom paints 10 sq ft per minute. They painted a particular crate in 1
slava [35]
Tom-------------- >10 sq ft per minute

Tim------------------- >3.5*10=35 sq ft per minute

 Both painters (10+35)=45 sq ft per minute

 let's assume a cubic unit crate----------> V1=1*1*1=1 feet3

<span>the total surface of the cube is S1=6*(1*1)=6 </span>sq ft

 if the volume of the cube increases twice 

V2=2 feet3 ------------------- >    2=x*x*x------------- >x=2^(1/3)

And the S2=6*(2^(1/3)*<span> 2</span>^(1/3)=9.5244 sq ft

V2/V1=9.5244/6=1.5874

Therefore

If Tim and Tom----------------------- > take 1 day----------- > to paint a crate V1

For the crate V2------------- > take 1.5874 days 

assuming an 8-hour work day

 0.5874*8=4.70 hr-------------- > 4 h 42 min

 The answer is 1 day 4h 42 min

6 0
3 years ago
Can you please help me....Thank you!
PIT_PIT [208]

Answer:

#1

mean=7

median=8

range=9

mode=3

#2

mean=15

mode=17

range=14

median=14

#3

mean=11

mode=none

range=10

median=4.5

#4

mean=6

mode=4

range=13

median=4

Step-by-step explanation:

there you go, I think that's right but it's been awhile since I've had to do mode mean median and range

4 0
2 years ago
Will give brainliest please help ASAP
marissa [1.9K]

Answer: 1) If we talk about whole numbers then we should choose only square numbers that could be the area of square so that if we want to find its  side so we a can find its square root i.e. side.

2) We can find the square root of the area of the given square to find the side length of the square.

3) No , it is not possible to find a side length that would be perfect for a square with an area of 45 square units because if we find its side we need to find its square root i.e.

side=\sqrt{45}=\sqrt{3\times3\times5}=3 \sqrt{5}................>which is irrational and √5=2.236

∴side=3×2.236=6.708 unit ......> which is not accurate we need to take approx value of it to get the side length of the square.



7 0
3 years ago
Question
Norma-Jean [14]

Answer:

4.7 lbs or 4 lbs 7 oz

Step-by-step explanation:

Add together:

1.6 lbs vegetables

2.3 lbs meat

.8 lbs condiments

*we can say this because an ounce is a fraction of a pound.

1.6+2.3+.8 = 4.7 lbs total

8 0
1 year ago
Write the equation of the line (in y = ax+b form) in the
ExtremeBDS [4]

Answer:

y=3x-8

Step-by-step explanation:

3 0
3 years ago
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