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AlladinOne [14]
3 years ago
7

If y varies inversely as x and y=32 when x=3, find x when y=15

Mathematics
1 answer:
deff fn [24]3 years ago
5 0
Y=kx, k is not equal to 0
when y=32,x=3, 32=3k
                           k=32/3
so y=32/3*x
when y=15, 15=32/3*x
                     x=45/32

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F(x)=6x^2 +10x−1
KATRIN_1 [288]

Answer: It has two distinct real zeros.

Step-by-step explanation:

The formula that is used to calculate the discriminant of a Quadratic function is the one shown below:

D=b^2-4ac

In this case you have the following Quadractic function provided in the exercise:

f(x)=6x^2 +10x-1

Let's make it equal to 0:

0=6x^2 +10x-1

You can identify that:

a=6\\\\b=10

Knowing these values, you can substitute them into the formula and then evaluate:

D=10^2-4(6)(-1)\\\\D=124

Therefore, since:

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You can determine that the it has two distinct real roots.

3 0
3 years ago
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Elodia [21]

Answer:

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Step-by-step explanation:

we have to remember the exponential function, the best way to find the answer is plotting the graph or arranging a table of values.

As you can see in the attached graph the y axis gets closer and closer to 0 as it moves forward in the x axis, and as it moves to the left the y axis starts increasing rapidly.

Also you got to keep in mind the way that functions behave in terms of the sign of its variable. for example the 10 in this equation only makes the curve to get wider, but if you change the sign to minus, the answer would be different.

8 0
3 years ago
5 metric tons = ____ kilograms
ANEK [815]

Answer:

5000

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
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Galina-37 [17]

Answer: 52

Step-by-step explanation: Not much work with this one but hope this helps :)

3 0
2 years ago
Please help work this out
BigorU [14]

Answer:

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Step-by-step explanation:

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Area=1/2(3.14 x 11^2)

11^2=121 so, Area=1/2(3.14 x 121)

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adjustment:

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Area=190.091

5 0
3 years ago
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