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Neporo4naja [7]
3 years ago
5

The difference between a number and 20 is 45...

Mathematics
2 answers:
Maksim231197 [3]3 years ago
8 0

Answer:

25

Step-by-step explanation:

chubhunter [2.5K]3 years ago
6 0

Answer:

Step-by-step explanation:

25

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8. How many days would it take to travel from Washington, D.C.,
adell [148]

Answer:

What are the choices and what grade level going to 4th-12th

Step-by-step explanation:

7 0
3 years ago
What is the maximum number of possible solutions for the system shown below?
vekshin1

Answer:

B:  4 solutions

Step-by-step explanation:

Combining the two equations results in 2x² = 52, or x² = 26.

This equation has two solutions:  x = ±√26.

As before, x² = 26.  If we substitute 26 for x² in the 1st equation, we get:

26 - 4y² = 16, or 4y² = 10, or y = ±√5/2.  Again:  two solutions.

If we take x to be +√26, y could be ±√(5/2).

Check:  is ( √26, √(5/2) ) a solution of the system?

Subbing these values into the first equation, we get:

26 - 4(5/2) = 16.  Is this true?

Then 10 = 10.  Yes.

Through three more checks, we find that this system has FOUR solutions.

5 0
2 years ago
1.
Liula [17]

Answer:

-40

20

20

20

Step-by-step explanation:

5 0
3 years ago
Elvira used 4 cups of grape juice, 1 1/2 cups of cranberry juice, and 1/2 cup of pineapple juice to make punch. One liter
Mandarinka [93]
4+1.5+.5= 6 cups

6 cups = 1.42 liters

Closest measurement is 1.42L
3 0
3 years ago
Draw a line representing the "rise" and a line representing the "run" of the line. State
steposvetlana [31]

Answer:

The slope should be -2

You should go down 2 and go over 1.

Slope Intercept Form: y= -2x+3

Step-by-step explanation:

First, you need to identify the slope: (meaning whether it is a postive or negative.)

In this case, You have a negative slope.

This means instead of rising you're decreasing down.

When you "run" or move horizontally you MUST move right even if it's a negative slope.

Now, you need to identify your Y-Intercept.

Your Y-Intercept should be (0,3)


Next, you have to find your slope:

In order to find your slope, you need to find where the line is crossing the coordinate.

Start at (-1,5) and go down and over to (0,3)

Your answer should be that you went down 2 and over 1.

The slope can't be 2 because if it were to be 2, then that would be a positive slope which isn't our occasion.

The slope is -2.

In Slope Intercept Form: y= -2x+3

4 0
2 years ago
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