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ozzi
2 years ago
14

A suitcase is pulled feet along a flat sidewalk with a constant upward force of 80 lb at an angle of 23 with the horizontal. Cal

culate the work done.
Mathematics
1 answer:
Harlamova29_29 [7]2 years ago
5 0

Answer:

newtons 2nd law of motion

Step-by-step explanation:

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Breann solved the system of equations below. What mistake did she make in her work?
mihalych1998 [28]
If 2x+y=5, then y=5-2x, so she substituted correctly.
x+4x=5x, so she combined like terms correctly.
She didn't subtract 10 from both sides, she added 10 to both sides.

Check the solution:
2x+y=5 \hbox{ and } x-2y=10 \\
2 \times 4-3=5 \hbox{ and } 4-2 \times (-3)=10 \\
8-3=5 \hbox{ and } 4+6=10 \\
5=5 \hbox{ and } 10=10 \\
\checkmark

The answer is: She made no mistake.
8 0
3 years ago
Read 3 more answers
The sum of two numbers is 14 there diffrence is 6
Alexus [3.1K]

the two numbers are 10 and 4 because 10+4= 14 and 10-4=6

6 0
3 years ago
Rewrite the expression with rational exponents as a radical expression
Ann [662]

Answer:

5\sqrt[4]{x} or the fourth answer

Step-by-step explanation:

Apply the rule x^{\frac{m}{n}}=\sqrt[n]{x^m}  to rewrite the exponentiation as a radical.

5\sqrt[4]{x^1}

Anything raised to  1  is the base itself.

Answer = 5\sqrt[4]{x}

Plz mark me brainliest, hope this helps.

8 0
3 years ago
Please help, im confused
elixir [45]
It look like that. 
Diameter = 2 so the radius = 1/2 * diameter = 1in

Volume of the cylinder =  pi r^2 h 

where h = height of the cylinder = 9 in

so volume = pi * 1^2 * 9  =  28.27 in^2  to nearest hundredth
8 0
3 years ago
Write an expression for the sequence of operations described below.
den301095 [7]

Answer:

We conclude that:

''add 3 and the sum of 9 and v'' is algebraically represented by the expression as:

  • 3 + 9 + v

Step-by-step explanation:

Given the statement

''add 3 and the sum of 9 and v''

Let us break down the statement

  • Let the number be:  v
  • The sum of 9 and v: 9+v

so

Adding 3 and the sum of 9 and v will be: 3 + 9 + v

Therefore, we conclude that:

''add 3 and the sum of 9 and v'' is algebraically represented by the expression as:

  • 3 + 9 + v
3 0
3 years ago
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