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Pavel [41]
3 years ago
7

The first five questions refer to the following problem:

Mathematics
1 answer:
frosja888 [35]3 years ago
6 0

The net force on the rocket is directed upward with a magnitude of

35 N - 25 N = 10 N

By Newton's second law, the acceleration <em>a</em> is such that net force is equal to the mass of the rocket times its acceleration:

10 N = (2.5 kg) <em>a</em>

<em>a</em> = (10 N) / (2.5 kg)

<em>a</em> = 4 m/s²

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Instead of building the enclosure of maximum area, the company wishes to build only a 20,000 square foot enclosure still using u
nignag [31]

Answer:

x  =  80000/L    f

Step-by-step explanation:

When using only three sides for fencing a rectangular area, sides will be

"x "  and   "y "      x = 2*y      x  is the largest side of the rectangular area

                                             we only fence one y side ( the other side is a river

So the perimeter is  L = x  + 2*y      or   L = 4*y

On the other hand if now the area will be 20000 f²

A = x*y = 20000       ⇒    y  =  20000/ x

As the fence material is the same as that of the maximum area

L =  4*y          L = 4* 20000 / x

L*x = 80000

Then   x  =  80000/L

Where L is the quantity of fencing material

5 0
3 years ago
Find the coordinate of K' after a reflection of the triangle about the x-axis. Write your answer in the form (a,b)
Elodia [21]

Answer:

K = (3,3)

After a reflection across the x axis (Vertical reflection), the coordinate becomes (3, -3)

Let me know if this helps!

5 0
3 years ago
Read 2 more answers
Janice works part-time in a pizza restaurant. She makes a monthly salary of $240. She spends 3/5 of her salary on gas for her ca
vodomira [7]

Answer: 144

Step by step: In order to solve this easily, you should convert 3/5 into a decimal. In order to do that, you have to divide the numerator by the denominator. 3 divided by 5 = 0.6. Then you multiply 240 by 0.6 to get your answer, 144.

6 0
3 years ago
How to find The equivalent fraction of 36/48 with denominator4
Serggg [28]

Answer:

3/4.

Step-by-step explanation:

36 and 48  have a common factor of 12.

(36 / 12) / (48 / 12)

= 3/4 (answer).

3 0
4 years ago
Read 2 more answers
How many Times greater is 9 x 10^-4 than 3 x 10^-7
vivado [14]

here's the solution :

  • \dfrac{9 \times 10 {}^{ - 4} }{3 \times 10 {}^{ - 7} }

  • 3 \times 10 {}^{ - 4 + 7}

  • 3 \times 10 {}^{3}

3 × 10³ times greater.

3 0
3 years ago
Read 2 more answers
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