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Mathematics

1 answer:

Igoryamba3 years ago

5 0

Answer:

see explanation

Step-by-step explanation:

1) 100miles in 3 hrs

then let 200 miles in X hour.

now 100/200=3/X

or, 100 X =3×200

or, X = 3×200/100

or, X =6 hrs

so 6 hrs will it take to travel 200 miles.

2) 50 apples cost rs.25

let 75 apples cost rs. X

now 50/75=25/X

or, X = RS. 25×75/50

or, X = RS. 37.5

hope this will help you.

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Please add a explanation

eduard

Answer:

lexie is correct

Step-by-step explanation:

since -68 feet is closer to 0 that means it is greater. the number that is closer to 0 when it is a negative it will be bigger that the other Ex: -5 and -34, -5 is greater because it is closer to 0.

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3 years ago

The vertices of a hyperbola are located at (−4, 1) and (4, 1). The foci of the same hyperbola are located at (−5, 1) and (5, 1).

topjm [15]

Answer:

x^2\ 16 - y^2/9 = 1

step-by-step explanation:

soooo the equation for a hyperbola that is horizontal is x^2/a^2 - y^2/b^2 = 1

a hyperbola should always equal one so dont forget that when writing your equation becuase it is easy to forget.

it helps to graph this so you can see it better

to find a it is the distance from the center to the vertices which is 4 so in the equation you will write 16 becuase it is a^2

then you need to find b. to get b you have to figure out that c is the distance from the center to the foci which is 5 and it is all related to the plythagorm theorum becuase it forms a right triangle. so you do c^2 - a^2 = b^2

you get 9 for b^2 because 25-16=9 and so you put that in the equation

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3 years ago

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Question 11(Multiple Choice Worth 5 points)

amm1812

Answer:

-1

Step-by-step explanation:

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