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3 years ago

13

A department store is having a 15% off sale on all winter coats. You purchase a winter coat for $275. The department store is lo

cated in a county with 7.25% sales tax. How much money will you save on your coat?

1 answer:

erik [133]3 years ago

7 0

Answer:

41.25

Step-by-step explanation:

15% of $275 is 41.25

275-41.25=233.75

233.75 +7.5% =17.53

233.75 + 17.53=251.28

the normal price would be 275 + 20.62 =295.62

295.62 - 251.28=44.34

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in the figure below trianglePQM and triangleQRP are right triangles. the measure of lineQM is 6 and the measure of lineQP is 8.

Kipish [7]

Answer:

Option 4 is correct. The length of PR is 6.4 units.

Step-by-step explanation:

From the given figure it is noticed that the triangle PQR and triangle MQR.

Let the length of PR be x.

Pythagoras formula

$hypotenuse^2=base^2+perpendicular^2$

Use pythagoras formula for triangle PQM.

$PM^2=QM^2+PQ^2$

$PM^2=(6)^2+(8)^2$

$PM^2=36+64$

$PM^2=100$

$PM=10$

The value of PM is 10. The length of PR is x, so the length of MR is (10-x).

Use pythagoras formula for triangle PQR.

$PQ^2=QR^2+PR^2$

$(8)^2=QR^2+x^2$

$64-x^2=QR^2$ .....(1)

Use pythagoras formula for triangle MQR.

$MQ^2=QR^2+MR^2$

$(6)^2=QR^2+(10-x)^2$

$36=QR^2+x^2-20x+100$

$36-x^2+20x-100=QR^2$ .... (2)

From equation (1) and (2) we get

$36-x^2+20x-100=64-x^2$

$20x-64=64$

$20x=128$

$x=6.4$

Therefore length of PR is 6.4 units and option 4 is correct.

3 0

3 years ago

Help me with this pls

Dvinal [7]

Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

6x + 10y = 8 ( subtract 6x from both sides )

10y = - 6x + 8 ( divide each term by 10 )

y = - $\frac{6}{10}$ x + $\frac{8}{10}$ = - $\frac{3}{5}$ x 6 + $\frac{4}{5}$ ← in slope- intercept form

with slope m = - $\frac{3}{5}$ → C

7 0

2 years ago

The cost of a cycle is $ 950 and that of a scooter is $ 23,500. He sold them together for $ 25,000. Find his profit.

e-lub [12.9K]

actual cost is 950+23,500=24450

he sold them for 25000 so his profit is 25000-950-23500=550

4 0

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IrinaVladis [17]

Answer:

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2 years ago

Expand 3(-5q + 4).<br><br> A.5q + 12<br><br> B.-15q + 4<br><br> C.-15q + 12<br><br> D. 5q + 12

Ksenya-84 [330]

_Award brainliest if helped!
(-5q * 3) + (4 *3 ) = -15q + 12
The answer is C.

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3 years ago

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