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3 years ago

Which statement is true

Mathematics

1 answer:

Anika [276]3 years ago

4 0

C should be your answer

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Write the equation y=-1/2x+3 in standard form. how do I do this?

Lapatulllka [165]

Standard form is ax + by = c. Begin our transformation by multiplying both sides by 2 to get rid of the fraction. Notice that ax + by = c does not allow for fractions. Doing that multiplication gives us 2y=-x + 3. Now move the x over by the y by addition. x + 2y = 3. And there you go!

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3 years ago

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URGENT: Amy and Lucy were doing a craft involving yarn. Amy cut a piece of red yarn that was 4 1/3 inches long, and Lucy cut a p

Jlenok [28]

Answer:

1 11/15

Step-by-step explanation:

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3 years ago

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If f(x) = -x + 8 and g(x) = x^4, what is (gºf)(2)?

kotykmax [81]

Answer:

$\large\boxed{(g\circ f)(2)=1296}$

Step-by-step explanation:

$(g\circ f)(x)=g\bigg(f(x)\bigg)\\\\f(x)=-x+8,\ g(x)=x^4\\\\(g\circ f)(x)=\g\bigg(f(x)\bigg)=(-x+8)^4\\\\(g\circ f)(2)\to\text{put x = 2 to the equation}\ (g\circ f)(x):\\\\(g\circ f)(2)=(-2+8)^4=(6)^4=1296$

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3 years ago

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For the following real-world examples, determine whether each situation represents a percent increase or a percent decrease. ( i

VikaD [51]

Answer:

increase
decrease
increase

Step-by-step explanation:

A sales tax is ALWAYS an increase. That's why governments use sales taxes.
A discount is ALWAYS a decrease. That's it's definition. You are being given a break.
A tip is meant to supplement the pay someone gets. It's an increase from your point of view.

4 0

3 years ago

Annual returns on stock of the Mean Corporation are approximately normally distributed with a mean of 13.9% and standard deviati

maw [93]

Answer:

(a) z=-0.59

(b) Joe will invest in Mean Corporation. The probability of getting an annual return grater than 11% is 72.3%.

Step-by-step explanation:

We have a normal distribution for the annual return of the stock.

This distribution has mean of 13.9% and s.d. of 4.9%.

If X=11%, we can calculate its corresponding z-value as:

$z=\frac{X-\mu}{\sigma}= \frac{0.11-0.139}{0.049}= -0.5918$

The z-value is z=-0.5918.

The probabilty of P(X>11%)=P(y>-0.5918) is, by the standarized normal distribution table, equal to 0.723.

As its P(y>-0.5918)=P(X>11%)=0.723 bigger than the 70% threshold, Joe will invest in Mean Corporation.

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3 years ago