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Ratling [72]
2 years ago
11

Which expression is equivalent to (3a)–2?

Mathematics
1 answer:
Travka [436]2 years ago
7 0

Answer:

Its (A), 1/9a^2

if you work out all of the other options it does not equal to the expression (3a)^-2

Step-by-step explanation:

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4 - 2(x-4)/ 3= 3(2x+5)/2<br>pls answer fast​
omeli [17]

Answer:

- (5/22)

Step-by-step explanation:

(12-2x+8)/3 = (6x + 15)/2

(20 - 2x)/3 = ( 6x + 15)/2

Now cross multiplication

40 - 4x = 18x + 45

-18x - 4x = 45- 40

- 22x = 5

x = - ( 5/22)

3 0
2 years ago
What is 22,159 rounded to the nearest hundred?
andre [41]
22,200
**************************************************************************

6 0
3 years ago
A carpenter lays 16 square feet of tile in 2/3 of an hour. How many square feet of tile does the carpenter lay per hour?
r-ruslan [8.4K]
I believe it's 24 tiles per hour.
3 0
3 years ago
4 multiple ( 2+3) square 2
shtirl [24]

Answer:

100

Step-by-step explanation:

4 x (2 + 3)^{2}

  for this equation u have to use PEMDAS so u have to solve the parenthesis first which is 5 then exponets which is 5^{2} which is 25 and 24 x 4 gives you 100

hope this helps, if im wrong sorry

7 0
2 years ago
Read 2 more answers
A restaurant wants to study how well its salads sell. The circle graph shows the sales over the past few days. If 35 of the sala
balu736 [363]
The restaurants sold 50 salads.

-The given is that they sold 35 garden salads which is 70% of their sales.
-Now, to get how many salads 1% is equal to, you divide 35 by 70
-35/70 = 0.5
-So now, multiply 16 by 0.5 and 14 by 0.5
-16(0.5)=8 and 14(0.5)=7
-Add the three together to get 50
-Now, check to see if it works
70% of 50 is 35
16% of 50 is 8
14% of 50 is 7

Hope this helps and is right, have a good day!
4 0
3 years ago
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