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garri49 [273]
3 years ago
13

What is the constant of proportionality in the equation y=2.5xy=2.5xy, equals, 2, point, 5, x?

Mathematics
2 answers:
USPshnik [31]3 years ago
8 0

Answer: y = 7x

Step-by-step explanation:In your question, the constant of proportionality already jump out at us which is to get y, we have to multiply x by 7. Therefore the constant of proportionality is y=7x.

Lera25 [3.4K]3 years ago
5 0
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77julia77 [94]
You would need to know how long the path is to answer this question

8 0
3 years ago
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yuradex [85]

Answer:

The range is 5.

Step-by-step explanation:

You can deduce this by concluding all other statements are true, or by calculating the range. 10 - 1 = 9

3 0
3 years ago
What is an equation of the line that passes through the point (8,-7)(8,−7) and is parallel to the line 5x+4y=165x+4y=16?
gizmo_the_mogwai [7]

Answer:

The equation of line that passes through the point (8,-7) and is parallel to the line 5x+4y=16 is  \mathbf{y=-\frac{5}{4}x+3}

Step-by-step explanation:

We need to write an equation of the line that passes through the point (8,-7) and is parallel to the line 5x+4y=16.

The equation will be of form y=mx+b where m is slope and b is y-intercept.

Finding slope of the line:

Since both the lines are parallel, and we know that parallel lines have same slope.

The slope of given line 5x+4y=16 can be found by writing in slope-intercept form y=mx+b

5x+4y=16\\4y=-5x+16\\y=-\frac{5}{4}x+16

Comparing with y=mx+b the slope m is: m=-\frac{5}{4}

So, the slope of required line is: m=-\frac{5}{4}

Now, finding y-intercept b

y-intercept can be found using slope m=-\frac{5}{4} and point (8,-7)

y=mx+b\\-7=-\frac{5}{4}(8)+b\\-7=-5(2)+b\\-7=-10+b\\b=-7+10\\b=3

So, we get y-intercept: b=3

Now, the equation of required line having slope m=-\frac{5}{4} and y-intercept b=3 is:

y=mx+b\\y=-\frac{5}{4}x+3

So, the equation of line that passes through the point (8,-7) and is parallel to the line 5x+4y=16 \mathbf{y=-\frac{5}{4}x+3}

4 0
2 years ago
Marcus currently owns 200 songs in his iTunes collection. Every
UNO [17]

Answer:

Marcus will own 380 songs after a year.

Step-by-step explanation:

the equation would look like

N=15m+200

you

then put 12 in for (m)

n=15(12)+200

n=180+200

n=380

Marcus will own 380 songs after a year.

5 0
3 years ago
Find the unit rate. $7.96 for 4 pounds
Licemer1 [7]

Answer:

$1.99 per lb

Step-by-step explanation:

Take the dollar amount and divide by the number of pounds

$7.96 / 4 lbs

$1.99 per lb

7 0
3 years ago
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