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levacccp [35]
3 years ago
9

5 people take 12 hours to build a wall. How long would it take 3 people to build the wall?

Mathematics
1 answer:
mafiozo [28]3 years ago
8 0

Step-by-step explanation:

5p=12h

3p=?(h)

12×3=5h

36=5h

h=36/5

h=7.2 hours

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HELP!!! Show work!!!!!!
Misha Larkins [42]
A) x^5/6 ≠ 5√6, Because 5 is in numerator & 6 in denominator in exponential expression so it can be in direct expression.

It is False.

b) (16)^1/4 = 2.
It is False

c) a^2/7 + a^4/7 = a^2/7+4/7 = a^6/7
It is False.

d) Here, powers are not equivalent.
Again, It is False

e) (27x^6)^2/3 = 27^2/3 x^12/3
 = 9x^4
It is True.

13) Here, expression would be: a^2/3
In short, Your Answer is Option B

14) ∛8x^6
= ∛8 x^6/3
= 2x²
In short, Your Answer would be Option C

Hope this helps!
7 0
3 years ago
Please help! This is a big part of my grade. I will give brainliest.
Lynna [10]

Answer:

8658 ft.

Step-by-step explanation:

Volume= length*width*height

rectangle= 21*18*13= 4914

triangle= 16*18*13= 3744

4914+3744=8658

8 0
3 years ago
In which quadrant does the point (13, 8) lie?
katovenus [111]

Answer:

quadrant I

Step-by-step explanation:

from left to right its II, I

7 0
3 years ago
Read 2 more answers
The fifth grade students at East street decided to host a fundraiser for red ribbon week they planed to buy 240 inches of red ri
mixas84 [53]

Answer:

(Amount for 1 inch of red ribbon) x (240) = total cost

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Drag steps in the given order to evaluate this expression. (−5)(2)−2(−3)+3 ( -5 )( 2 ) - 2 ( -3 ) + 3
Snowcat [4.5K]

(−5)(2)−2(−3)+3 ( -5 )( 2 ) - 2 ( -3 ) + 3

=-10+6-30+6+3

=15-40

=-25

6 0
3 years ago
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