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NeX [460]
2 years ago
15

Solve the equation 5y+10x=30 for y.

Mathematics
1 answer:
9966 [12]2 years ago
3 0

Answer:Y= 6 - 2x

Step-by-step explanation:move all terms that dont contain y to the right side

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2. Graph the inverse of the function, then determine if the inverse is a function.
charle [14.2K]

The inverse of the function f(x)= x^2 is a function.

<h3>The graph of the inverse</h3>

The equation of the function is

f(x)= x^2

Rewrite as:

y = x^2

Swap x and y

x = y^2

Make y the subject

y = \sqrt x

Rewrite as:

f^{-1}(x) = \sqrt x

So, the inverse of f(x)= x^2 is f^{-1}(x) = \sqrt x

See attachment for the graph

<h3>Is the inverse a function?</h3>

The inverse is a function.

This is so because it passes the vertical line test

Read more about inverse functions at:

brainly.com/question/2883051

#SPJ1

5 0
1 year ago
Can someone help me with this
xxMikexx [17]

Answer:

The first one is 45 hours

The second is 1361

6 0
2 years ago
Read 2 more answers
Find the slope to the graph below
IgorC [24]

Answer:

undifined

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is an expression which represents the sum of (3x-7y) and (10x+3y) in simplest terms?
Kobotan [32]

Answer:

3 x − 4 y + 10

Step-by-step explanation:

5 0
3 years ago
Consider the experiment of tossing a fair coin three times and observing the number of heads that result (X = number of heads).
Crank

Answer:

The standard deviation for this distribution is 0.8660.

Step-by-step explanation:

For each coin toss, there are only two possible outcomes. Either it is heads, or it is tails. So we use the binomial probability distribution to solve this problem.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The standard deviation of the binomial distribution is:

\sqrt{V(X)} = \sqrt{np(1-p)}

In this problem, we have that:

In each toss, heads or tails are equally as likely, since the coin is fair. So p = \frac{1}{2} = 0.5

Three throws, so n = 3

What is the standard deviation for this distribution?

\sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{3*0.5*0.5} = 0.8660

The standard deviation for this distribution is 0.8660.

7 0
3 years ago
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