Factor this trinomial completely. 2x2 + 6x + 4

A. 2(x - 2)(x + 1)
B. 2(x + 2)(x - 1)
C. 2(x + 2)(x + 1)
D. 2(x - 2)(x - 1)

Answers

Answer 1

Answer: 2x^2 + 6x + 4
2(x^2 + 3x + 2)
2(x + 1)(x + 2)

The answer is: 2(x + 1)(x + 2).

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Amelia used 19/20 pounds of flour to bake a cake. Write the quantity of flour she used in ____ decimal form. The decimal quantity of the flour Amelia used to bake the cake is pound.

Answers

Answer:

The decimal quantity of the flour Amelia used to bake the cake is 0.95 pound.

Step-by-step explanation:

Amelia used 19/20 pounds of flour to bake a cake.

We have to write the quantity of flour she used in decimal form.

To write in decimal form, we will divide 19 by 20.

So, the decimal quantity of the flour Amelia used to bake the cake is 0.95 pound.

.95 just divide 19/20

A jewelry store marks its merchandise up by 80%. If the wholesale price of a bracelet is $55, what will the store charge for the retail price?help please

Answers

Final answer:

To find the retail price of the bracelet, we first calculate the markup, which is 80% of the wholesale price, and add it to the wholesale price. In this case, the retail price would be $99.

Explanation:

In this question, you're being asked to find out how much a jewelry store charges for a bracelet if they mark up the price by 80% from the wholesale price. The wholesale price is given as $55.

First, you need to find out what 80% of the wholesale price is. You can do this by multiplying the wholesale price ($55) by 0.80 (which is the equivalent of 80%). That gives you $44. This amount represents the markup the store adds to the wholesale price to get their retail price.

So, the retail price is the wholesale price ($55) plus the markup ($44). That brings you to a total of $99. So, the jewelry store would charge $99 for the bracelet.

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The correlation coefficient for poor health and not exercising in a group of people is 0.67. Analyze the following statement: Poor health is caused by not exercising. Is this a reasonable conclusion?

Answers

Options:

Yes; everyone who doesn't exercise is by definition unhealthy.
Yes; the correlation coefficient is above 0.5, so that implies causation.
No; the data doesn't suggest a causation, and many people are healthy who don't exercise.
No; poor health and not exercising are completely unrelated.

The answer is the third option "No; the data doesn't suggest a causation, and many people are healthy who don't exercise." Correlation is two data set that are linked or connected together so in this case it would be a correlation because all of the data is close and connected to each other.

Hope this helps!

Answer:

No; the data doesn't suggest a causation, and many people are healthy who don't exercise

Step-by-step explanation:

I took the quiz and this was the answer.

Trying to write an equation for line on graph without any numbers given to plug into for slope

Answers

In that situation, you use the information you DO have. It's not always
enough to do the job. But often it is, and in that case, you use what you
do have to answer the question or solve the problem.

Sadly, I can't be any more specific than that. You haven't told us what
information you do have ... only what information you don't have.

Final answer:

The equation for the line is y = 3x + 9.

Explanation:

The equation for a line can be written in the form y = mx + b, where m represents the slope and b represents the y-intercept. In this case, since the slope is 3 and the y-intercept is 9, the equation for the line is y = 3x + 9.

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The function f(t) = −5t 2 + 20t + 60 models the approximate height of an objectt seconds after it is launched. How many seconds does it take the object to hit the
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