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Nikolay [14]
2 years ago
12

Which expression is equivalent to (20x +5.5)+(−34x−2.5)?

Mathematics
1 answer:
4vir4ik [10]2 years ago
3 0

Answer:

−14x+3

Step-by-step explanation:

Combine Like Terms:

20x+5.5+−34x+−2.5

(20x+−34x)+(5.5+−2.5)

= −14x+3

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A bag contains yellow marbles and blue marbles, 80 in total. The number of yellow marbles is 4 less than 5 times the number of b
Anuta_ua [19.1K]

I believe it's 12 because 5*16=80. So, then you would subtract 4 from 16 and gat 12.

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3 years ago
Will the probabilities from an experiment with 20 trials be exactly the same if you repeat the experiment? (Explain your thinkin
trasher [3.6K]

Hello, each and every one of your 20 trials should be very similar to the one prior, as long as you keep the data the same, such as how much water you use, or the length of an object, etc.

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4 0
3 years ago
A line, y mx + b, passes through the point (2, 3) and is parallel to y 2x + 5. What is the value of b?​
Vitek1552 [10]

Answer:

Step-by-step explanation:

If a line is parallel to another it must have the same slope

The slope/intercept form of a line is y = mx + b where m is the slope and b the y intercept

The line y = 2x + 5 has slope 2

So the slope of the line that passes through (2,3) must also have the slope 2

We have
y = 2x + b; Substituting x =2, y =3 in this equation gives us
3 = 2 (2) + b or b = -1

Hence the equation of the line is
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Cross-check

Substitute for x = 2 ==> y = 2(2) - 1 = 3 which is consistent

3 0
1 year ago
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