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svlad2 [7]
3 years ago
10

Write an expression equivalent to 5x squared-15x

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
5 0
The answer is 5(x squared-3x)
It is distributive property
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Jessica stuffed bear has a mass of 400 grams. What is its mass in milligrams?
expeople1 [14]
400,000 milligrams because 1 gram is 1000 milligram. 
3 0
3 years ago
|2x| ≤ x + 3
r-ruslan [8.4K]

Answer:

[-1,3]

Step-by-step explanation:

|2x|<x+3

calculate the absolute value

2*|x|<x+3

move < to left

2*|x|-x<3

split into possible cases

2x-x<3, x<0

2*(-x)-x<3, x<0

solve inequalities

[0,3]

[-1,0]

find union

[-1,3]

3 0
3 years ago
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Tina covers the floor of a room with carpeting. She uses carpet squares that measure one foot on each side. How many carpet squa
gizmo_the_mogwai [7]

Answer:

She need <u>96 square feet</u> carpet to cover the room.

Step-by-step explanation:

Given:

Tina covers the floor of a room with carpeting. She uses carpet squares that measure one foot on each side.

Now, to find carpet squares does she need to cover a room that 8 feet wide by 12 feet long.

So, the dimensions of room are:

Length = 12 feet.

Width = 8 feet.

Now, getting the area by putting formula:

<u><em>Area of room = Length × width</em></u>

Area\ of\ room = 12\times 8

Area\ of\ room=96\ square\ feet.

Therefore, she need 96 square feet carpet to cover the room.

3 0
3 years ago
The graph below shows the velocity f(t) of a runner during a certain time interval:
Snezhnost [94]
When graphs are plotted, graphs as in the .jpeg image in attachment are obtained.
First graph is line going through ordered pair (point) (0,6) and pair (6,8).
The second graph is line going through ordered pair (6,8) and pair (8,0).
Intercept of these graphs is point (ordered pair) (6,8).
You see from the .jpeg image that the following is true:
Initial velocity of the runner is 6 meters per second (runner starts with this velocity), for a while he runs, velocity grows, then in the 6th second (time=6), runner starts to slow down and velocity starts to decrease, and runner stops totally at time = 8.
So runner stops after 8 seconds.
The 4th claim (sentence) is correct.

3 0
3 years ago
Read 2 more answers
Factor 16x+40y I don't know how to do this
Marizza181 [45]

Answer:

8(2x + 5y)

Step-by-step explanation:

You cant fact (take out) 8 from both 16 and 40 since 8 is a factor for both.

4 0
3 years ago
Read 2 more answers
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