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Umnica [9.8K]
3 years ago
13

You travel 8 miles on your bicycle in the same amount of time it takes your friend to travel 6 miles on

Mathematics
1 answer:
strojnjashka [21]3 years ago
6 0

Answer:

Step-by-step explanation:

8/v=6/v-3

8*(v-3)=6v

8v-8*3=6v

8v-24=6v

+24     +24

8v=6v+24

-6v      -6v

2v=24

v=24/2

v=12  miles /hour

v2=12-3=9 miles /hour ( your friend)

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David is looking for the best deal on a laptop that regularly costs $719. Help him compare the price of the laptop at a
NemiM [27]

Answer:

A) $287.60.

B) $323.55.

C) David would pay more for the laptop at the store.

Step-by-step explanation:

A) Given that the store's website is offering the laptop at a 60% discount off the regular price of $ 719, ignoring tax and shipping, the sale price is obtained through the following calculation:

100 - 60 = 40

719 x 0.40 = X

287.6 = X

Therefore, in this case the sale price would be $ 287.6.

B) Since the store is having a sale, offering a 50% discount off the regular price of the laptop, and David also has an in-store-only coupon for an additional 10% off the sale price, ignoring tax, the price of sale is obtained through the following calculation:

(719 x 0.5) x 0.9 = X

359.5 x 0.9 = X

323.55 = X

Thus, the sale price in the present case would be $ 323.55.

6 0
3 years ago
Need help due tonight!
netineya [11]

Answer:

y = 4.375x + 2.5

Step-by-step explanation:

The equation of the line is expressed as y = mx+c

m is the slope

c is the intercept

Using the coordinate points (0, 2.5), (4, 20)

Slope m = 20-2.5/4-0

m = 17.5/4

m = 4.375

Get the intercept

Substitute (0, 2.5) and m = 4.375 into y - mx+c

2.5 = 4.375(0) + c

2.5 = c

Get the equation required

y = 4.375x + 2.5

6 0
3 years ago
The perimeter of a rectangle is 28.8 centimeters. The length of the rectangle is twice as long as it’s with. Find the length and
Mazyrski [523]

Answer:

Length=9.6 cm\\\\Width=4.8 cm

Step-by-step explanation:

Length=2*Width

L=2*W

Perimeter=28.8 cm

Perimeter of a rectangle= 2(Length+Width)

28.8=2(2W+W)\\\\28.8=2(3W)\\\\3W=28.8/2\\\\3W=14.4\\\\W=14.4/3\\\\W=4.8 cm\\\\

Length=2*Width\\\\=2*4.8\\\\=9.6 cm\\\\

Length=9.6 cm\\\\Width=4.8 cm

6 0
3 years ago
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Name a pair of lines that appear to be parallel
GarryVolchara [31]
A vertical line that is straight :( <span />
5 0
3 years ago
B) 5(2x - 4)<br> Expand the following
jeka94

Answer:

10x-20

Step-by-step explanation:

(5×2x)-(5×4)

10x-20

8 0
3 years ago
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