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kogti [31]
3 years ago
15

At Best Buy, you buy a 55-inch TV for $499.99. You include the 2-year protection plan for $69.99. Tax in Indiana is 7%. How much

tax will you pay? What is your final price?
Mathematics
1 answer:
lys-0071 [83]3 years ago
8 0

Answer:

$609.8786

Step-by-step explanation:

Given that :

Cost of TV = $499.99

Protection plan = $69.99

Sales tax = 7%

Sales tax to pay :

Tax % * ( total cost of purchase)

0.07 * (499.99 + 69.99)

0.07 * 569.98

= $39.8986

Total price:

Cost of TV + cost of protection plan + sales tax

499.99 + 69.99 + 39.8986

= $609.8786

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Parallel to y=−3/4x, through (4, -1)
kolbaska11 [484]

Answer:

y=-\frac{3}{4}x+2

Step-by-step explanation:

The slope-intercept form is given by y=mx+c, where m is the slope and c is the y-intercept.

Slope of given line= -\frac{3}{4}

Parallel lines have the same slope. Thus, the slope of the line would also be -\frac{3}{4}.

y=-\frac{3}{4}x +c

The value of c can be found by substituting a pair of coordinates.

When x= 4, y= -1,

-1=-\frac{3}{4} (4)+c

-1= -3 +c

<em>Add 3 to both sides:</em>

c= -1 +3

c= 2

Thus, the equation of the line is \bf{y=-\frac{3}{4}x+2.

Additional:

Do check out the following for a similar question on slope-intercept form!

  • brainly.com/question/25549430
7 0
2 years ago
Will mark brainliest if correct
lord [1]

Answer:

mean =  \frac{9 + 4 + 4 + 1 + 0 + 6 + 4}{7}  =  \frac{28}{7}  = 4

mean \: deviation =  \frac{ |9 - 4| +  |4 - 4|  +  |4 - 4|   +  |1 - 4| +  |0 - 4| +  |6 - 4|   + |4 - 4| }{7}  =  \frac{5  + 0 + 0 + 3 + 4 + 2 + 0}{7}  =  \frac{14}{2}  = 7

8 0
4 years ago
HELP 10PTS AND BRAINLIESTThe image of a triangle after it has been dilated with a center of dilation at the origin has vertices
Gala2k [10]

Answer:

C is (-18, 24)

Scale factor 1 1/3

A is (9, - 4 1/2)  *4 1/2 is also 4.5

Step-by-step explanation:

When we take a look at image B (-24, -12) and pre image B (-18, -9),

we can work out the scale factor by

(-24/-18) and (-12/-9) both equal 4/3

So using the scale factor to go from the pre image to the image,

We can find C coordinate by multiplying pre image C by the scale factor.

C is (-13.5 x 4/3) and (18 x 4/3)

C is (-18, 24)

The scale factor is 4/3, which is the mixed numeral of 1 1/3.

To find the pre image of point A we divide the image by the scale factor

A is (12/(4/3)) and (-6/(4/3))

A is (9, - 4 1/2)

Hope this helps,

Cate

8 0
4 years ago
Read 2 more answers
Tacos from the taco truck or 60% off on Tuesdays Erica by the taco for 1.50 on Tuesday she wants to know the regular price of a
Inga [223]

Answer:

$2.50

Step-by-step explanation:

7 0
3 years ago
I need help with finding the equations of a line!!!
Dvinal [7]
M = Y / X

m = [1 - (-2) ] / [2 - (-2)]

m = (1+2) / (2+2)

m = 3 / 4

Using (2,1)

y - yo = m (x-xo)

y - 1 = 3/4 (x-2)

Or

(-2,-2)

y + 2 = 3/4 (x+2)

D and F
7 0
3 years ago
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