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iogann1982 [59]
2 years ago
15

Simplify the following expression 7 y + 2x - 10 y + 3 x^2 -10x​

Mathematics
2 answers:
tiny-mole [99]2 years ago
4 0

Answer:

3x^{2} -3y-8x

Step-by-step explanation:

Combine like terms

7y + -10 y = -3y

2x + -10x = -8x

3x^{2} -3y-8x

Serggg [28]2 years ago
4 0

Answer:

3x^2 - 8x - 3y

Step-by-step explanation:

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A point on the rim of a wheel has a linear speed of 33 cm/s. If the radius of the wheel is 50 cm, what is the angular speed of t
Zigmanuir [339]

Answer:

The angular speed of the wheel in radians per second is 0.66.

Step-by-step explanation:

Recall the following statement:

A linear speed (v) is given by,  

v=\omega \times r                       ...... (1)

Here,  \omega represents the angular speed of the wheel and <em>r</em> represents the  radius of the wheel.

From the given information:

Linear speed (v) = 33 cm/s

Radius of the wheel (r) = 50 cm

Now to find the angular speed in radian per second.

33 =50 \times \omega

Divide both sides by 50.

0.66 rad/sec= \omega

Hence, the angular speed of the wheel in radians per second is 0.66.

4 0
3 years ago
the graph shows the distance a car travels over a certain amount of time. what is the ratio of kilometers traveled to the time i
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A. 40 km/h
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8 0
3 years ago
If 25% more than a number is 325 what is 20% less than the number
Verdich [7]
Let the number be x.  Then 1.25x = 325, or x = 260.  

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7 0
2 years ago
Draw a graph for each inequality.
Naya [18.7K]

Answer:

Step-by-step explanation:

6 0
2 years ago
How many different ways are there to arrange the letters of the word PRISM?
Advocard [28]

Answer:

5! (5 factorial) or 120 ways

Step-by-step explanation:

You can arrange P different ways. R can be arranged only 4 different ways because Pwill be in one of the spots. Next, you can arrange "I" 3 different ways because P and R are already arranged in 2 spots, meaning you cant put "I" there. Next, S can be arranged in 2 different ways for the same reason. And lastly, M can only be arranged in 1 different way because the other spots are taken.

You can put it in any order. For example, M could be arranged 5 ways and P could be arranged in 1 way. You will still get 120 ways

Hopefully this helped. The explanation might be a bit confusing but I tried my best. I'm not good with explaining my solutions but I always try

6 0
2 years ago
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