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sleet_krkn [62]
3 years ago
13

I need to know the answer to this?

Mathematics
1 answer:
iris [78.8K]3 years ago
5 0

Answer:

5 min person wit 10 min person

5 min person wit 20 min person and 5 min person back

5 min person wit 25 min person and 5 min person back

5 min person need to slow down ea. time

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Forty more than the product of 2 and a number is twelve. What is the number?
posledela

Answer:

Logically, the answer is either 12 or 42

3 0
3 years ago
Solve for x. Please look at the picture and answer it. Thank you.
Tatiana [17]
<h3>Answer :- </h3>

  • x = 24

<h3>Solution :- </h3>

  • 2x + 42 = 90
  • 2x = 90 - 42
  • 2x = 48
  • x = 48/2
  • x = 24

<em>Hope</em><em> it</em><em> helps</em><em> </em><em>~</em>

7 0
2 years ago
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2x + 9x2 + 4x + 4xy – 6x2
Harlamova29_29 [7]

Simplified would be 4xy + 3x^2 + 6x

7 0
3 years ago
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Consider the following pair of equations:
V125BC [204]
The pair of equations:
y = x + 4
y = -2x - 2

To solve the system of equation by substitution, you would substitute one variable for it's equivalent expression. Combining the pair of equations into one equation in only one variable. The easiest way to do this is by substituting out the variable y because it is already alone on one side of the equal sign. Substitute the y in the second equation for: x+4

x+4 = -2x - 2
solve for x
x + 2x = -2 -4
3x = -6
x = -2

now use the value for x to find y by putting into either equation.

y = x + 4
y = (-2) + 4
y = 2

solution is: (-2, 2)
4 0
3 years ago
Can someone help me? Thanks! ;D
Agata [3.3K]

Answer:

B - 13

Step-by-step explanation:

4 0
3 years ago
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