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Slav-nsk [51]
3 years ago
11

You own a lawn mowing business. Yesterday, it took you 7 hours to mow 5 lawns. Identify and 7 describe the rate the lawns were m

owed.​
Mathematics
1 answer:
Taya2010 [7]3 years ago
6 0

Answer:

1.4 hours: 1 lawn

Step-by-step explanation:

it it took me 7 hours to mow 5 lawns then the ratio is

1.4 hours per lawn

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Take away 0 from any number tell the rule you discovered
frozen [14]
This is the fundamental zero additive rule
x - 0 = x
which means that for the set of real numbers, there exist a number such that if added (or subtracted) from any other will not affect such number.

8 0
3 years ago
Which expression is equivalent to 144 3/2
natka813 [3]

Answer:

144=12², so 144^3/2=(12²)^(3/2)=12³=1728.

this answer is not from the internet

go check yourselves

mark me brainliest

3 0
2 years ago
Read 2 more answers
A gray crayon is made with 5\text{ mL}5 mL5, space, m, L of black wax for every 6\text{ mL}6 mL6, space, m, L of white wax.
zloy xaker [14]
The correct answers are B and C.

Since the mixture requires 5 mL of black wax and 6 mL of white wax, we want multiples of these numbers; specifically, we need multiples that are the same number of times away.

A does not work; 10 is 5*2 and 24 is 6*4.  These won't be in the same ratio.

B works; 15 is 5*3 and 18 is 6*3.  These have the same ratio.

C works; 35 is 5*7 and 42 is 6*7.  These have the same ratio.

D does not work; 26 is not a multiple of 6.

E does not work; 45 is 5*9 and 48 is 6*8.  These will not have the same ratio.
8 0
3 years ago
Read 2 more answers
-4(x + 2.1) + 3x = 8.4 what is x
aleksandr82 [10.1K]

Answer:

x= −16.8

Step-by-step explanation:

5 0
3 years ago
Please help !! Picture provided !!!
adelina 88 [10]
Method One
Your calculator might be able to do this. Mine does it like this.
6
nCr
2  
= 
15

Method 2
You could simply set up 6C2

This gives you
\frac{n!}{(n- r)! r!} =  \frac{6!}{(6 - 2)!2!} =  \frac{6!}{4! 2!} =  \frac{6*5}{2*1} = 15

Method Three
You only have to do this a couple of times to see how the cancellation works.

\frac{6!}{4!2!} =  \frac{6*5*\st{4*3*2*1}}{4*3*2*1 * 2*1}
After all the cancellation takes place you have
6*5/2 = 15
7 0
3 years ago
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