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Nadya [2.5K]
3 years ago
13

Help pleaseeeee! It’s urgent

Mathematics
1 answer:
PtichkaEL [24]3 years ago
5 0
The sales will be equal after 40 months.

In order to find this, use a system of equations where
s represents sales of scientific calculators
g represents sales of graphic calculators
x represents the number of months that have passed

s = 1500x + 10000
g = 1300x + 18000
s = g

1500x + 10000 = 1300x + 18000
Subtract 1300x and 10000 from both sides
200x = 8000
Divide each side by 200
x = 40

To graph this, use the expressions
f(x) = 1500x + 10000
g(x) = 1300x + 18000

where f(x) is scientific calculator sales and g(x) is graphic calculator sales


_____________________________________________________________
A more complex method would be to graph the following

f(x) = 1500x + 10000
g(x) = 1300x + 18000
and find the point where they intersect. The x-value of that point is your answer (in months) of how long it will take for sales to intersect.

f(x) is the sales of scientific calculators
g(x) is the sales of graphic calculators

x is the number of months that have passed
__________________________________________________________

Hope this helps

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4 0
2 years ago
an office supply company sells two types of printers. they charge $95 for one of the printers and $125 for the other. if the com
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Answer:

22 of the 95$ ones and 10 of the 125

Step-by-step explanation:

22 times 95 = 2090

10 times 125 = 1250

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4 0
2 years ago
Graph - 9x + 6y = 18 using linear standard form
postnew [5]

Answer:

The graph is attached Below and the plotting is given below.

Step-by-step explanation:

Given:

-9x + 6y = 18

Solution:

To draw a line on a graph the required minimum two points but here we will have three points as point A, point B, and point C.

For point A

Put x = -4 in the given equation we get

-9×-4 + 6y = 18

6y = 18-36

∴ y=\frac{-18}{3}\\ \\y=-3

∴ Point A ≡ ( -4, -3 ).

For point B

Put x = -2 in the given equation we get

-9×-2 + 6y = 18

6y = 18 - 18

6y = 0

∴ y=\frac{0}{3}\\ \\y=0

∴ Point B ≡ ( -2, 0 ).

For point C

Put x = 0 in the given equation we get

-9×0 + 6y = 18

6y = 18

∴ y=\frac{18}{3}\\ \\y=3

∴ Point C ≡ ( 0, 3 ).

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3 0
3 years ago
Give the zeros (if any) of the quadratic function f(x)=3(x-4)(x+11).
maxonik [38]
Set each of the binomials equal to zero and solve for x. The two values will be the zeros of the equation:
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x-4 = 0         x + 11 = 0
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The zeros of the equation are -11 and 4
3 0
3 years ago
30 POINTS IF U CAN HELP PLEASE. in the figure below, a tangent and a secant are drawn to a circle from the exterior point E. Sup
dimulka [17.4K]

Answer:

19.5  = CD

Step-by-step explanation:

The square of the tangent = the the whole secant times the outside part of the secant.

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Now  ED = EC + CD

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        26 - 6.5 = CD

           19.5  = CD

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2 years ago
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