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PtichkaEL [24]
3 years ago
15

I saved $100 to spend over the summer. I decide to budget $20 to spend each weak, How would I wrtie an equation that represent t

his
Mathematics
1 answer:
MakcuM [25]3 years ago
6 0
100-20x

100 is the amount of money you have
20 is your budget
x is number of weeks
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Use technology to find points and graph the line -4y=-x+20<br><br> plotting on a graph
valina [46]

Step-by-step explanation:

First we need to isolate the y, by dividing -4 on both sides. This will give you y = 1/4x - 5.

Now you can properly graph the equation:

Since -5 is the y-intercept (the point in which the line intercepts the y-axis), we will place our first point at (0,-5) on the graph.

In order to find the next point, we will use the slope of the line and do rise/run. So we will go upwards 1 unit and to the right 4 units.

(Image of graph will be attached above⤴⤴⤴)

Hope this helps you :)

5 0
3 years ago
What is the most convenient method to solve the quadratic equation ( x + 4 )² = 15
IgorC [24]

Answer:

Factoring

Step-by-step explanation:

(x+4)² = 15

x² + 8x + 16 = 15

x² + 8x + 1 = 0

x =  \frac{ - 8 +  \sqrt{64 - 4} }{2}  =  - 4 +  \sqrt{15}  \\  \\ x =  \frac{ - 8 -  \sqrt{64 - 4} }{2}  =  - 4 -  \sqrt{15}

I hope this helps you :)

7 0
3 years ago
Read 2 more answers
What is the length of the longest side of a triangle that has the vertices (-3,2) (3,2) and (3,6)
OleMash [197]

Answer:

Six Units

Step-by-step explanation:

Look at this graph that I made

8 0
3 years ago
Please help me with all thank you
crimeas [40]
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3 years ago
Recall that in a 30 – 60 – 90 triangle, if the shortest leg measures x units, then the longer leg measures xStartRoot 3 EndRoot
Over [174]

Answer:

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Step-by-step explanation:

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2 years ago
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