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Debora [2.8K]
3 years ago
10

Which property does x2+2x=2x+x^2

Mathematics
1 answer:
Naya [18.7K]3 years ago
8 0
Im pretty sure its the commutative property.
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My friend sets out walking at a speed of $3$ miles per hour. I set out behind her $5$ minutes later at $4$ miles per hour. When
r-ruslan [8.4K]

Answer:  The answer is 0.25 miles.


Step-by-step explanation:  Given that my friend started walking at a speed of 3 miles per hour and I started 5 minutes after him at a speed of 4 miles per hour. We need to find the number of miles my friend travelled when I started walking.

Since I started 5 minutes after than my friend, so we are to find the distance travelled by my friend in 5 minutes.

In 1 hour, i.e., 60 minutes, distance travelled by my friend = 3 miles.

In 1 minute, distance travelled by my friend is

\dfrac{3}{60}=\dfrac{1}{20}~\textup{miles}.

Therefore, distance travelled by my friend in 5 minutes will be

\dfrac{1}{20}\times 5=\dfrac{1}{4}=0.25~\textup{miles}.

Thus, the answer is 0.25 miles.

3 0
2 years ago
Read 2 more answers
Can someone please help me out with my homework
Lina20 [59]
D. right 
a right angle always equals a right triangle
3 0
3 years ago
Read 2 more answers
Graph a line with a slope of -3 that contains the points (4,-2)
Lera25 [3.4K]

Answer:

  see below for a graph

Step-by-step explanation:

To draw a graph on a grid, locate the point (4, -2) and use the slope to find another point. One such point will be 1 to the left and up 3*, at (3, 1). With two points, you can draw the line through them to complete the graph.

__

For a graphing tool that requires an equation, the point-slope form of the equation can be used:

  y -k = m(x -h) . . . . . a line of slope m through point (h, k)

For the given slope and point, the equation of the line is ...

  y +2 = -3(x -4)

  y = -3x +10

_____

* The slope is "rise" over "run". The slope of -3 means that a <em>run</em> of +1 will result in a <em>rise</em> of -3. The given point is already below the x-axis, so we don't really want to find more points farther down. In order to go up on a line with negative slope, we must choose a point to the left of the given one.

3 0
3 years ago
Plz help!
OLga [1]

Answer:

a) 3x²-4x-15

b) binomial

5 0
2 years ago
1 2VX - V4x - 3 4x 3 = √4x - 3​
kati45 [8]

Answer:

hello lamareeyaj tht is a very brilliant question

so we have 12vx - v4x- 34x3=4x(1/2) - 3

so the answer is very simple

i.d.k

Step-by-step explanation:

5 0
3 years ago
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