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vazorg [7]
3 years ago
6

Simplify 3(2a - y) - 4(2y - a).

Mathematics
2 answers:
Nadya [2.5K]3 years ago
4 0

Answer:

10a - 11y

Step-by-step explanation:

3(2a - y) - 4(2y - a)

<em>open the parenthesis </em>

6a - 3y - 8y + 4a

<em>combine like terms</em>

6a + 4a - 3y - 8y

10a - 11y

uranmaximum [27]3 years ago
3 0
The answer would be 10a-11y
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Pls help me understand.
maw [93]

Answer:

19 %

Step-by-step explanation:

380 : 2000 = 0.19

0.19 X 100%= 19 %

6 0
3 years ago
A study of commuting times reports the travel times to work of a random sample of 1010 employed adults in Chicago. The mean is x
MrMuchimi

Answer:

standard error of the mean = 1.6960

Step-by-step explanation:

Given -

Mean (\overline{X}) = 53 minutes

Standard deviation ( s ) = 53.9 minutes

n = 1010

standard error of the mean  =  

\sigma _{\overline{X}}    =   \frac{s}{\sqrt{n}}

        = \frac{53.9}{\sqrt{1010}}

       =  1.6960

3 0
3 years ago
You roll a die. What is the probability that 2 will not appear on the die
Shalnov [3]

Answer: 5/6

Step-by-step explanation: its because it has a 5/6 chance to not land on 2 if i were to roll a die and ExPeCt to land on a 2 it would be 1/6

so the answer is "the probability is 5/6 chance"

3 0
3 years ago
Read 2 more answers
5. Find the area of an equilateral triangle with a<br> perimeter of 24 in.<br> what’s the area?
Zolol [24]

Answer:

18

Step-by-step explanation:

24÷3=6 6×6=36 36÷2=18

6 0
3 years ago
you are riding your bike. At 10:04am you have riddden your bike 23 miles. By 10:17am you have ridden 179 miles. Find the rate of
Doss [256]

The answer is 720 mph, since we make time the x and distance y. We use the slope formula (y2 - y1)/(x2 - x1)

(179-23)/(17-4)

156 miles/13 mins

12 miles per min

Since the answer is in hours instead of minutes, we multiply 12 by 60 to get 720 mph

6 0
3 years ago
Read 2 more answers
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