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Vesna [10]
3 years ago
15

Which of the following shows 2 + (x + 3y) rewritten using the Associative Property of Addition?

Mathematics
1 answer:
Paha777 [63]3 years ago
8 0
B (2+x) +3y

Other examples include <span>(14 + 6) + 7 = 14 + (6 + 7)
because </span><span>Adding 14 + 6 easily gives the sum of 20 to which we can add 7. The right hand side of the equation is where we add 14 and 13. Both sides will result in 27.</span>
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Find the 22nd term. 3, 7.5, 12, 16.5
yaroslaw [1]

Answer:

either or super sore

Step-by-step explanation:

4 0
3 years ago
A car travels 172 miles using 7 gallons of gas. At that rate, how far can the car traval using 42 gallons of gas?
Semmy [17]

Answer:

1.1032

2.6

3.16

4.35:50 I think

Step-by-step explanation:


7 0
3 years ago
Calculate the volume of the cube.<br> S = 3 in.<br> V=<br> cubic inches<br> Plz help
Cloud [144]
<h2>27 inches³</h2>

Step-by-step explanation:

volume of cude = side³

= 3³

= 3×3×3

= 27 inches³

<h2>FOLLOW ME</h2>
5 0
3 years ago
The slope of the line that contains the points (2, -7) and (-2, 5) is -3. What is the y-intercept?
kramer

Answer:

C. -1

Step-by-step explanation:

Find the y intercept by plugging in the slope and a given point into the equation y = mx + b. Then, solve for b:

y = mx + b

-7 = -3(2) + b

-7 = -6 + b

-1 = b

So, the y intercept is -1.

The correct answer is C. -1

4 0
3 years ago
Esther drove to work in the morning at an average speed of 45 miles per hour. She returned home in the evening along the same ro
nydimaria [60]
The key is Esther travelled the same distance - x - in both her morning and evening commute.

45(time she took in the morning, or p) = x
30(time she took in the evening, or q) = x

Therefore 45(p) = 30(q), or divide both sides by 5 and get 9(p) = 6(q). I know you can divide it further, but these numbers are small enough and it's not worth the time.

Since the whole trip took an hour, (p + q) = 60min, and so, p = 60-q.

Therefore 9(60-q) = 6q or 540-9q = 6q. So 540 = 15q, which makes q = 36. If q = 36, then by (p+q)=60, p (the time she took in the morning) must equal 24.

45 miles per hour, her speed in the morning, times (24/60) hours, her time, makes 18 miles travelled in the morning. If you check, 30 miles per hour times (36/60) hours also makes 18 miles in the evening.

<span>Hope that makes a little sense. And I also hope it's right</span>
7 0
3 years ago
Read 2 more answers
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