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3 years ago

{(3,-5),(1,2),(-1,-4),(-1,2)} The range of the following relation R?

1 answer:

Nutka1998 [239]3 years ago

4 0

$\bf \{(3,\stackrel{\downarrow }{-5}),(1,\stackrel{\downarrow }{2}),(-1,\stackrel{\downarrow }{-4}),(-1,\stackrel{\downarrow }{2})\} \qquad \qquad \stackrel{\textit{the range is always the y-coordinates}}{\{-5,2,-4\}}$

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The tires on your bicycle have a radius of 8 inches. How many rotations does each tire make when you travel 700 feet? Round your

Inessa [10]

"One rotation" would be the circumference of the wheel, which is

C = 2*pi*r, or (here) C = 2*pi*(8 inches) = 16*pi inches.

1 ft
Convert this to feet: 16*pi inches times ---------------
12 inches

Here "inches" cancels out and you are left with (4/3)pi ft.

So, one rotation of the wheel moves you and your bike forward (4/3)pi ft.

Divide this into 700 feet:

700 ft 2100
------------- = --------- rotations = 525 rotations (answer)
(4/3) pi ft 4

7 0

4 years ago

Please can someone solve this

Crazy boy [7]

Answer:

200.86

Step-by-step explanation:

Using the formulas:

A=πr2

C=2πr

Solving for A:

A=C2

4π=50.242

4·π≈200.85812

I hope this helps.

4 0

3 years ago

Ram and his sister Kalpana win a prize of Rs 2000. They decide to share the prize in the ratio of their ages. Ram is 15 years ol

V125BC [204]

9514 1404 393

Answer:

Ram -- ₹1200
Kalpana -- ₹800

Step-by-step explanation:

Their age total is 15+10=25, so Ram will get 15/25 = 0.6 of the total. Kalpana will get the remaining 0.4 of the total.

Ram receives 0.6 × ₹2000 = ₹1200

Kalpana receives 0.4 × ₹2000 = ₹800

8 0

3 years ago

6.1/5(12b+5) for b = 5/6

Temka [501]

Answer:

Step-by-step explanation:

6.1 / 5 ( 12b + 5 )

b = 5/6

by substituting,

6.1 / 5 ( 12 × 5/6 + 5 )

1.22 × 15

= <u><em>18.3</em></u>

Hope this helps

plz mark as brainliest!!!!!!!

Stay safe!!

7 0

3 years ago

Danielle earns a 7.75% commission on everything she sells at the electronics store where she works. She also earns a base salary

kaheart [24]

Answer:

ok so this can be represented as

7.75x+675=1062.50

-675

7.75x=387.5

divide by 7.75

x=50

Hope This Helps!!!

3 0

2 years ago