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3 years ago

12 PTS

Mathematics

2 answers:

sertanlavr [38]3 years ago

5 0

It would be -5. assuming that back is negative and forward is positive, Kyle has moved a total of 5 spaces back

Finger [1]3 years ago

5 0

Answer:

Step-by-step explanation:

Let the distance between Nadim and Kyle be 'x' miles

When Kyle moves back by 2 units then integer represents Kyle's location will be (-2).

Similarly when Kyle moves back 3 units then integer which represents Kyle's location will be (-2) + (-3) = (-5) units.

Therefore, integer will be (-5). When negative sign denotes the motion of Nadim.

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Nicolas has three fewer than twice the number of songs downloaded as Sabrina does.

Alla [95]

The expression 2x-3 represent's: The number of songs downloaded by Nicholas.
The variable x represents: The number of songs downloaded by Sabrina.

5 0

2 years ago

Graph these equations: x+2y=6, y=-1/2x+4 How many solutions does the system of equations have?

inysia [295]

Answer:

The system has no solution

Step-by-step explanation:

we have

$x+2y=6$

Isolate the variable y

$2y=-x+6$

Divide by 2 both sides

$y=-\frac{x}{2}+3$ ---> equation A

$y=-\frac{x}{2}+4$ ---> equation B

Compare the equations

Equation A and equation B have the same slope and different y-intercept

Remember that

If two lines have the same slope, then the lines are parallel

The solution of the system is the intersection point both graphs

In this problem, the lines don't intersect, therefore, the system has no solution

using a graphing tool

The graph in the attached figure

7 0

3 years ago

What is the recursive formula for the sequence defined by the explicit equation an = -6 + 3n?

Ierofanga [76]

Answer:

an=an-1

Step-by-step explanation:

as it doesnt have -6 +3n

5 0

2 years ago

Please answer this question...

irina1246 [14]

Answer: I believe the standard deviation will remain the same, 6, choice A.

Step-by-step explanation: Standard deviation is calkculated based on the difference of each point from the mean. If 10 were added to each score, the mean would also increase by 10. That would mean that the difference between the mean and each score would be exactly the same, leading to an identical standard deviation. Sounds crazy, but that's what numbers do for a living.

4 0

2 years ago

Read 2 more answers

X²+2xy+y²=144, (x+y)³?

Bumek [7]

Answer:

The value of (x + y)³ is 1728.

Step-by-step explanation:

First, you have to find the value of x + y :

x² + 2xy + y² = 144

x² + xy + xy + y² = 144

x(x + y) + y(x + y) = 144

(x + y)(x + y) = 144

(x + y)² = 144

x + y = √144

x + y = 12

Next, the value of (x + y)³ :

(x + y) = 12³ = 1728

5 0

3 years ago

Read 2 more answers