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3 years ago

Determine the x- and y-intercepts of the graph of y=1/4x−2 .

Mathematics

2 answers:

Serggg [28]3 years ago

4 0

8 is the x intercept and -2 is the y

Vikki [24]3 years ago

3 0

To find the y-intercept, substitute 0 in for x, as where the x value equals 0, the graph is intersecting the y-axis.
y=(1/4)(0)-2
y= -2

To find the x-intercept, substitute 0 in for y, as where the y value equals 0, the graph is intersecting the x-axis.
0=1/4x-2
2=1/4x
x=8

Plot the intercepts on the axes, then draw a straight line from one to the other to graph the equation.

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1.99x+6=2.50x can someone help me

Illusion [34]

Answer:

Step-by-step explanation:

1.99x + 2.50x = 4.49x

change equation

x=11.7647

6 0

2 years ago

How many 50 cents coins are there in $10:50

larisa86 [58]

Question:- how many 50 cents coins are there in $10.50

Answer:-

Total amount-> $ 10.50

So amount in cents

$ 1 is equal to 100 cents

$10.50 is equal to 1050 cents

According to the question

$Number \: of \: the \: 50 \: cents= \frac{ Total \: cents}{ 50 \: cents } \\$

$Number \: of \: the \: 50 \: cents = \frac{1050}{50} \\ Number \: of \: the \: 50 \: cents = 21 \:$

6 0

3 years ago

Pls help me that would be great

omeli [17]

No. No. It is not linear because the slope has to be able to be plugged in to any x, y coordinates and be placed on the line.

4 0

3 years ago

. Three types of shirts sold at a store cost $9.00, $11.00, and $12.50. One day, the store sells a total of 23 shirts and makes

lbvjy [14]

Answer:

X + 3y = 23

9x + 36y = 243

11 shirts sold at $9.0 per shirt, 4 shirts sold at $11 per shirt and 8 shirts sold at $12.5 per shirt

Step-by-step explanation:

-----Since we are told to assume that the number of shirts sold for $9.00 each is x, that of $11.00 is y and also that of $12.50 is z.

9x + 11y + 12.5z = 243

9x + 11y + 12.5(2y) = 243

9x + 36y = 243_______ equation 1

----- The statement also read that One day, the store sells a total of 23 shirts and makes $243 on the sales. TWICE AS MANY SHIRTS WERE SOLD FOR $12.50 THAN WERE SOLD FOR $11.00

Z = 2y

x + y + z = 23

X + y + 2y = 23

X + 3y = 23_____ equation 2

Now multiply the above by 9 to have this equation's "x" sharing the same coefficient with that of equation 1

9x + 27 = 207 will be the new one___equation 3

-----Subtract equation 3 from 1 and we have

9x + 36y = 243____ equation 1

9x + 27y = 207____ equation 3

9y = 36

Y = 4

-----Substitute y = 4 in equation 2

X + 3y = 23

X + 4(3) = 23

X + 12 = 23

X = 23 - 12

X = 11

-----Remember that x + y + z = 23

11 + 4 + z = 23

15 + z = 23

Z = 23 - 15

Z = 8.

So therefore, x =11 shirts, y = 4 shirts and z = 8 shirts

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2 years ago

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lorasvet [3.4K]

I think it is the 3 on

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2 years ago