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Colt1911 [192]
3 years ago
14

Describe the expression (4x÷2)-9y

Mathematics
1 answer:
sertanlavr [38]3 years ago
4 0
<span>(4x ÷ 2) - 9y is difference of two terms.</span>
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Which best explains how you know that P(2, 7) is on the same line as Q(7, 4) and R(12, 1)?
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Answer:

See explanation below

Step-by-step explanation:

The best explanation is noticing that in order to get from the point R (12, 1) to the point Q (7, 4) we move 5 units to the left and 3 units up. And to go from point Q (7, 4) to point P (2, 7) we do exactly the same: move 5 units to the left and 3 units up. That means that these points are all connected via the same rate of change:  - 3/5, which is in fact the slope of the line the three points belong to.

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andre [41]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Solution of y - x &lt; -3
devlian [24]

Answer:

Step-by-step explanation:

The inequality y - x < -3 should be solved for y, as follows:

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Note that this y  <  x - 3 has the form y = mx + b, which represents a straight line.  In this case the straight line would be y = x - 3, meaning that the slope of this line is 1 and the y-intercept is -3.

Because y  <  x - 3  involves the inequality symbol <, draw a dashed line, not a solid line.   The solution set consists of all points on the graph BELOW this dashed line y  <  x - 3.

8 0
3 years ago
in the figure above, bc and ad are parallel, ab and ec are parallel, cd=ce, and the measure of angle abc is 115 degrees. what is
bonufazy [111]

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"in the figure above" ?

7 0
3 years ago
trina planted 43 plants. she planted twice as many cucumbers as zucchini and eight more tomatoes than cucumbers. write and solve
Leto [7]
To answer this question you can create an equation in terms of the number of zucchini that were planted.  Each other plant gives information that can relate to the number of zucchini plants.

# of cucumbers +   # of tomatoes  + # of zucchini
       2z              +           2z + 8     +       z =  43 
       5z + 8 = 43
             -8     -8
       <u>5z</u>      = <u>35</u>
       5           5 
       z = 7 plants

There were 7 zucchini plants, 14 (2 x 7) cucumber plants, and 22 (2 x 7 + 8) tomato plants.      
5 0
3 years ago
Read 2 more answers
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