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dedylja [7]
3 years ago
5

Lisa went to the hardware store and bought 12 pieces rope. Each rope was 3/4 of a meter long. If the rope cost $3.50 a meter, ho

w much did she spend?
Mathematics
1 answer:
Triss [41]3 years ago
3 0
.....................................
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Line c has an equation of y = 4x + 9. Line dis parallel to line c and passes through (-4,-4).
natta225 [31]

Answer:

\large\boxed{\sf y = 5x +16}

Step-by-step explanation:

Here it is given that a line c has a equation of ,

\sf\qquad\longrightarrow y = 4x + 9

And there is another line d which is parallel to line c and passes through the point (-4,-4) . And we need to find out the equation of the line .

Firstly we know that the slope of two parallel lines is same . So on comparing the given line to the slope intercept form of the line which is y = mx + c , we have ;

\sf\qquad\longrightarrow m = 4

Therefore the slope of the parallel line will be ,

\sf\qquad\longrightarrow m_{||}= 4

On using the point slope form of the line , we have ;

\sf\qquad\longrightarrow y - y_1 = m(x-x_1)\\

Substitute the values ,

\sf\qquad\longrightarrow y - (-4) = 5\{ x -(-4)\}

Simplify ,

\sf\qquad\longrightarrow y +4 = 5(x +4)

Open the brackets ,

\sf\qquad\longrightarrow y + 4 = 5x + 20

Subtract 4/on both sides ,

\sf\qquad\longrightarrow y = 5x +20-4

Simplify ,

\sf\qquad\longrightarrow \pink{ y = 5x + 16}

<u>H</u><u>e</u><u>n</u><u>c</u><u>e</u><u> </u><u>t</u><u>h</u><u>e</u><u> </u><u>e</u><u>q</u><u>u</u><u>a</u><u>t</u><u>i</u><u>o</u><u>n</u><u> </u><u>o</u><u>f</u><u> </u><u>t</u><u>h</u><u>e</u><u> </u><u>l</u><u>i</u><u>n</u><u>e</u><u> </u><u>i</u><u>s</u><u> </u><u>y</u><u> </u><u>=</u><u> </u><u>5</u><u>x</u><u> </u><u>+</u><u> </u><u>1</u><u>6</u><u> </u>

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Your family goes out for dinner on Sunday night. If the total bill came out to $175 but your parents had a 20% off coupon. How m
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Answer:

Step-by-step explanation:

175-20%= 35 off

175-35=140

140*8% tax= 11.20 tax

140+11.20= 151.20

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I need help with this please
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Step-by-step explanation:

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