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PolarNik [594]
3 years ago
7

How much work must be done on a 1000-kg car to increase its speed from 1 m/s

Mathematics
1 answer:
yarga [219]3 years ago
4 0

Answer:

w=f*d

f=ma

f=1000*10

f=10000

w=10000j

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Will mark brainliest. Which expression is equivalent to -1/4x + 1/2 ?
Monica [59]
C. 

If you properly distribute C it will give you the above equation. 

1/4 * -x = -1/4x

AND

1/4 * 2 = 1/2
3 0
3 years ago
4(x-5) +2 =x+3 <br><br> I need help on this ! I don’t get it picture above !
algol [13]

Answer:

x=-5

Step-by-step explanation:

4(x-5)+2=x+3 As the first step says, distribute the 4 (multiply all numbers in the parentheses by 4).

4x-20+2=x-3 Combine like terms. For example, the -20 and 2 are like terms because they are both their own numbers and not attached to a variable.

4x-18=x-3       Subtract x from each side. Now, we can get x to only one side.

<u>-x       -x</u>

3x-18=-3         Add 18 to both sides.

  <u>+18 +18</u>

3x=-15            Divide both sides by 3.

<u>/3   /3</u>

x=-5

I hope this helped you!! Have a great day c:

6 0
3 years ago
How do you find the area and perimeter of a rectangle. And how do you find the area and perimeter of a square?
cupoosta [38]

Answer:

The perimeter of a rectangle is P = 2 b + 2 h , where is the base (or width) and is the height (or length). If a rectangle is a square, with sides of length , the formula for perimeter is P s q u a r e = 2 s + 2 s = 4 s and the formula for area is A s q u a r e = s ⋅ s = s 2

Step-by-step explanation:

5 0
2 years ago
I do not understand how to solve this. Please can someone explain in a way i can understand.
Hoochie [10]

This π (pi) means 22/7 (pi).
7 0
3 years ago
The sides of a quadrilateral are x,x+3,x+4,x+5. it’s perimeter is 52, find the lengths of the sides
wariber [46]

Answer: 10 , 13 , 14 , 15

Step-by-step explanation:

To find the perimeter of a quadrilateral , we will add all its side , that is

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That is

52 = x + x + 3 + x + 4 + x + 5

52 = 4x + 12

subtract 12 from both sides

40 = 4x

divide through by 4

x = 10

therefore , the lengths of the sides are

10 , 10+3 , 10 + 4 , 10 + 5 , that is

10 , 13 , 14 , 15

4 0
3 years ago
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