2 years ago

Which set of side lengths form a right triangle?

Mathematics

1 answer:

sattari [20]2 years ago

8 0

Answer:

15m 20m 25m

Step-by-step explanation:

15^2+20^2=25^2

the others do not

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Joe added 1,500 liters of water to his pool. How many kiloliters did he add to his pool?

Dennis_Churaev [7]

Answer:

1.5 kiloleter

Step-by-step explanation:

1 kiloleter = 1000 liters

1500 liters = 1.5 kiloleters

pls mark brainliest if possible lol

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2 years ago

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Find the solution of the differential equation that satisfies the given initial condition. dy/dx=x/y , y(0)=-1

Charra [1.4K]

Separating variables, we have

$\dfrac{dy}{dx} = \dfrac xy \implies y\,dy = x\,dx$

Integrate both sides.

$\displaystyle \int y\,dy = \int x\,dx$

$\dfrac12 y^2 = \dfrac12 x^2 + C$

Given that $y(0)=-1$ , we find

$\dfrac12 (-1)^2 = \dfrac12 0^2 + C \implies C = \dfrac12$

Then the particular solution is

$\dfrac12 y^2 = \dfrac12 x^2 + \dfrac12$

$y^2 = x^2 + 1$

$y = \pm\sqrt{x^2 + 1}$

and because $y(0)=-1$ , we take the negative solution to accommodate this initial value.

$\boxed{y(x) = -\sqrt{x^2+1}}$

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2 years ago

Select all the expressions that equal.. *see picture for problem*

kupik [55]

Answer:

Step-by-step explanation:

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2 years ago

You are traveling in a car. your speed is 15 miles an hour. what is your speed in feet per minute

dimaraw [331]

15 miles * 5280 ft/mile = 79200 ft

1 hour * 60 minutes/hr = 60 minutes

79200ft/ 60 minutes

1320 ft/min

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3 years ago

A phone is regularly priced at $350. If you get it on sale for 15% off, how much do you pay?

Nesterboy [21]

52.5

Explanation:
x/18. 30/100 cross multiply 30*18=5250
5250 divided by 100= 52.5

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2 years ago

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