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elixir [45]
3 years ago
6

P varies directly with T and p=10 when T=500. When T=509, find T

Mathematics
1 answer:
Zepler [3.9K]3 years ago
5 0

Answer:

Let,

P= kT

P = 10, when T = 500

So, 10=k500

or, k=10/500

or, k=1/50

When T=509

P=kT

or, P=(1/50)×509

or, P=508/50

or, P = 10.18

And when P = 509 (since the question isn't clear)

509=(1/50)×T

or, T=509×50

or, T=25450

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dem82 [27]

Answer:

- 1 5/24 cm

Step-by-step explanation:

We'll have to get the fractions to a common denominator. the least common denominator for 3 and 80 is 240.

So - 1 1/3 = - 1 80/240 = 320/240

21/80 = 63/240

-11/80 = -33/240

-------------------------------------

-320/240 + 63/240 - 33/240 = -290/240 = - 1 50/240 = -1 5/24 cm

7 0
3 years ago
15 POINTS!! PLEASE HELP ASAP!!
insens350 [35]

Answer:

Total number of kilometers in the ride = 5 km

Number of kilometers Garret has already biked = k km

Number of kilometers Garret left to ride = 5 - k km

Number of minutes Garret takes per kilometer = 4 minutes.

Step-by-step explanation:

1. It takes 4 minutes for Garret to go a kilometer. Then

Number of minutes Garret takes per kilometer = 4 minutes.

2. Suppose the variable k is the number of kilometers Garret has already biked.

3. Garret is partway through a 20-minute bike ride. It takes 4 minutes for him to go a kilometer. Then

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20\div 4=5\ km

4. Suppose the variable k is the number of kilometers Garret has already biked. Then 5-k km is the number of kilometers Garret left to ride.

6 0
4 years ago
A terrorist planted an armed nuclear bomb and your job is to disabled it . There are 4 wires to the device. You will disable the
Vesnalui [34]

1/6

Step-by-step explanation:

  • According to the question, the right combination of 2 wires cut (out of the 4 wires ) will defuse the bomb. To find all the possible combinations we using the following formulae;

nCr = n! / r! * (n - r)!

⁴₂C = 4! / 2! * (4-2)!

⁴₂C = 24 / 2 * 2

⁴₂C = 6

  • There are a possible 6 combinations
  • Therefore for probability of cutting the right combination of 2 wires is 1/6

Learn More:

To learn more about combinations check out;

brainly.com/question/3374511

brainly.com/question/3901018

#LearnWithBrainly

3 0
3 years ago
Bags of almonds cost three dollars more than bags of pecans the owner of a bakery ordered five bags of almonds and three bags of
antiseptic1488 [7]

Answer:

Let bags of pecans cost = x

Make an equation :

Bags of almonds cost = x + 3 (they said almonds cost 3 dollars more)

Total number of bags ordered: (3 bags pecans) + (5 bags of almonds)

Cost for pecans = 3x

Cost for almonds = 5(x + 3) = 5x + 15

Price of pecans + price of almonds = total cost

Solve for x:

3x + 5(x + 3) = 55 (remove brackets)

3x + 5x + 15 = 55 (add like terms)

8x + 15 = 55

8x + 15 - 15 = 55 - 15 (get rid of the 15)

8x = 40

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bags pecans cost is $5

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6 0
3 years ago
I don't know what to do! please help!<br>​
olya-2409 [2.1K]

Answer:

128

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As they have added the same shape onto the top of the rectangle as they have taken away from the bottom, just do 16x8.

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