If y is 12 when x is 5, find x when y is 30

Answers

Answer 1

Answer:
We have no idea how 'x' responds to changes in 'y'.
We don't even know their units, to make a guess with.

-- If 'x' and 'y' are the ages of two people, then when y = 30, 'x' will be 23.

-- If they are the frequency and wavelength of a wave on the lake,
then when y = 30, 'x' will be 2 .

-- If 'x' is the weight of a rock in your front yard and 'y' is the number of pages
in today's newspaper, then 'y' has no effect on 'x'. No matter what happens
to 'y' . . . 'x' will always be 5 .

With the information given in the question, we just don't know.

We need either an equation, or else one more example.

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I really need help solving please.Given f(x) = 3x – 5, what is f(–4)? A.-6 B.1/3 C.-17 D.7 I think it's D.

How do i evaluate an expression with a given variable

Answers

To evaluate an expression with a given variable means to replace the number in the place of the variable, and then solve to find what the expression equals.
Example would be: x + 3 and x = 4
x + 3
4+3 = 7
7 is the value of the expression now.

Divide. −5 5/6÷(−2 1/6)

Answers

Step-by-step explanation:

-5 5/6 ÷(-2 1/6)

Turn them into improper fractions

-35/6 and -13/6

Change the division sign to multiply

-35/6 × -13/6

Making -13/6 into -6/13

Solve

-35/6 × -6/13 = 210/78

Simplify

Answer:

35/13

Edit: if you want it to be a mixed number, it will be 2 9/13

Answer:

-5 5/6 ÷(-2 1/6)

Turn them into improper fractions

-35/6 and -13/6

Change the division sign to multiply

-35/6 × -13/6

Making -13/6 into -6/13

Solve

-35/6 × -6/13 = 210/78

Simplify explanation:

Find the area of the figure.A) 14 cm2
B) 50 cm2
C) 60 cm2
D) 64 cm2

Answers

Answer:

Step-by-step explanation:

Answer:

It's D. I think.

Step-by-step explanation:

In a class of 32 students the mean height of the 14 boys is 1.56 m
the mean height of the 32 students is 1.515 m
work out the mean height of the girls

Answers

Answer:

The answer is 1.48

What is 1/10 of 3,000

Answers

1/10 of 3000 is equal to 300

Answer:

300

Step-by-step explanation:

You take your 3000 and write it down. When you are dividing numbers and fractions, you divide by the bottom and multiply by the top. Following this, we know that 1/10 is equal to divided by 10. You now go back to that paper and look at your 3000. Divided by 10 is just moving the decimal point one to the left. that leaves you with 300.0, or 300.

the powers of 2 that are in the range 2 through 1,000 are 2,4,8,16,32,64,128,256,&512 .what does that mean and it said find all the powers of 3 that are in range 3 through 1,000

im so confused

Answers

Answer:

the powers of 2 that are in the range 2 through 1,000 are 2,4,8,16,32,64,128,256,&512.

" This means that we are asked to find the value of $2^n$ for each n belonging to natural numbers.

Now we will stop our approximation when the value exceeds 1000.

i.e. the range is from 2-1000 ".

since the next number after 512 is 512×2=1024 which exceeds 1000. hence our successive approximation will stop at 512.

similarly for the powers of 3 i.e. $3^n$

We will start writing our approximation and stop when it will exceed 1000.

i.e. $3, 3^2=9,3^3=27,3^4=81,3^5=243,3^6=729$

i.e. the sequence is: 3,9,27,81,243,729.

We stopped at 729 because the next number in the series would be:

$3^7=2187$

which exceeds 1000.

It means you need to find every power of 3 that are in the range of 3-1000 - the power is the number that says how many times you multiply the original number by itself
So 3 to the 1st power is 3 = 3
3 to the 2nd power is 3X3 = 9
3 to the 3rd power is 3X3X3 = 27
And so on... Hope I helped!

Other Questions

Which system of equations can be used to solve the following problem? Each child ticket for a ride costs $2, while each adult ticket costs $6. If the ride collected a total of $148, and 38 tickets were sold, how many of each type of ticket were sold? Let c be the number of child tickets and a be the number of adult tickets. A. Equation set including begin equation begin product of two and c end product plus begin product of six and a end product equals thirty-eight end equation. Begin equation a plus c equals one hundred and forty-eight end equation. B. Equation set including begin equation begin product of two and a end product plus begin product of six and c end product equals thirty eight end equation. Begin equation a plus c equals one hundred and forty-eight end equation. C. Equation set including begin equation begin product of six and c end product plus begin product of two and a end product equals one hundred and forty-eight end equation. Begin equation c plus a equals thirty-eight end equation. D. Equation set including begin equation begin product of two and c end product plus begin product of six and a end product equals one hundred and forty-eight end equation. Begin equation a plus c equals thirty-eight end equation.

the bill for a pizza was 14.50 . Charles paid for 3/5 of the bill. Show two ways to find how much he paid

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Which expression represents the union of not a and not bA) P(A' ∩ B')B) (A' ∩ B')C) (A ∪ B)D) A' ∪ B'