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Dvinal [7]
2 years ago
10

Height of the Qutab Minaar is 73 metre. When the last stone on the top of the Qutab Minaar was carried from ground to its top by

labour weighting 50 kg (bricks carried weighted 20kg), how much work was done in that job by gravitational force? (g = 10 m/s2)
(d) –12770J

(a) –32110 J

(b) –51100 J

(c) –76990J
Mathematics
1 answer:
Wittaler [7]2 years ago
4 0

Answer:

peanut butter jelly sandwich

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HELP ASAP IM STRUGGLING : The instructions on a box of chicken patties state that one patty should be cooked for 2.5 minutes in
AveGali [126]

Answer:

y= 1.5x + 2.5

Step-by-step explanation:

So slope intercept form is y= mx + b.

y is the number of minutes, so that will be on the left of the equal sign, not part of the math side of the actual equation, because it's the answer.

1.5x is the mx part because it's 1.5 minutes for each extra patty. So that would explain the x attached to it. so for each extra patty you add, that's what x would be.

The + 2.5 at the end, is just the time for the initial patty.

Hope this helps and is easy to understand! :)

4 0
3 years ago
7x - 20 = 2x - 3(3x + 2)
kirill [66]

Answer:

7x-20=2x-3(3x+2)

We move all terms to the left:

7x-20-(2x-3(3x+2))=0

We calculate terms in parentheses: -(2x-3(3x+2)), so:

2x-3(3x+2)

We multiply parentheses

2x-9x-6

We add all the numbers together, and all the variables

-7x-6

Back to the equation:

-(-7x-6)

We get rid of parentheses

7x+7x+6-20=0

We add all the numbers together, and all the variables

14x-14=0

We move all terms containing x to the left, all other terms to the right

14x=14

x=14/14

x=1

   

   

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Please help :((((((
Alik [6]

Answer: c)

Step-by-step explanation:

This can be done through trial-and-error. Use the pythagoreas' theorem a^{2} +b^{2} =c^{2} and if the left side of the equation is equal to the right, that is the answer.

(Do take note that c is the longest side.)

a)

0.07^{2} +2.4^{2} =5.7649

2.5^{2}=6.25

Since 2.5^{2} \neq 5.7649, a) is wrong.

b)

17^{2} +30^{2} =1189\\
34^{2} =1156

Since 34^{2}\neq1189, b) is wrong.

c) (answer)

5^{2} +12^{2} =169\\13^{2} =169

Since 13^{2} =169, c) is correct.

d)

(7x)^{2} +(12x)^{2} =193x^{2}\\(13x)^{2} =169x^{2}

Since (13x)^{2} \neq193x^{2}, d) is wrong.

5 0
2 years ago
Please help me and the answer is not the first one
Anna11 [10]
I think it’s the second one!!!
5 0
3 years ago
Read 2 more answers
What is the common denominator of 4/12
Tema [17]

Answer:

lcm of

Step-by-step explanation:

it is 12and 2.........

5 0
2 years ago
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