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Olin [163]
3 years ago
11

Hello can u tell me if the answer and work is correct if not tell me

Mathematics
2 answers:
ohaa [14]3 years ago
4 0
Your work seems to be correct
Umnica [9.8K]3 years ago
3 0
Hi.
Your work appears to be correct. If you still doubt it,try running your answers through a calculator, or try plotting the points on a line to see if it corresponds with the other points

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Mr. McKay wrote an algebra test with a total of 15 questions consisting of multiple choice and short response style questions. M
tankabanditka [31]

Step-by-step explanation:

x = number of multiple choice questions

y = number of short response questions

x + y = 15

5x + 10y = 100

=>

x + 2y = 20

let's subtract the first from the second equation :

x + 2y = 20

- x + y = 15

--------------------

0 y = 5

x + y = 15

x + 5 = 15

x = 10

to graph you need to consider both equations as linear functions. and you need to transform them into e.g. a slope intercept form : y = ax + b

a is the slope, b is the y- intercept.

x + y = 15

transforms to

y = -x + 15

this line goes e.g. through the points (0, 15) and (1, 14).

and

x + 2y = 20

transforms to

2y = -x + 20

y = -x/2 + 10

this line goes e.g through (0, 10) and (2, 9).

the crossing point of both lines is the solution and should therefore be the point (10, 5) as calculated above.

5 0
3 years ago
Evaluate the expression for the given value of the variable.<br><br> 8p; p=9
kupik [55]

Answer:

72

Step-by-step explanation:

substitiute the value of p =8(9)

8x9=72

8 0
3 years ago
Read 2 more answers
G/2h + 3f = k <br> Solve for g
Mama L [17]

Answer: if i did this correctly its  {x,y} = {3,6}  



Step-by-step explanation:


6 0
3 years ago
Can somebody help me please.​
Wewaii [24]

The Y intercept is (0,275) and the X intercept is (125,0). the intercepts should be the point of when the line hits the axis'

5 0
3 years ago
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If side 1 is 13, side 2 is 12, and side 3 is 18, can a triangle be made?
9966 [12]

Answer:

no

Step-by-step explanation:

8 0
3 years ago
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