Which costs more per issue, an 18-issue subscription for $40.50 or a 12-issue subscription for $33.60? Explain. (Make sure to show your work and explain your solution Plz.)

Answers

Answer 1

Answer: You have to divide total price by "18 times" for the first and by "12 times" for the second.

So,

The 18-issue subscription costs $(40,50)/(18) =\$2.25$ per issue.
The 12-issue subscription costs $(33,60)/(12) =\$2.80$ per issue.

Therefore the 12-issue subscription costs more per issue.

Answer 2

Answer: The 18-issue subscription costs 40.50/18. You divide 40.50/18. It is 2.25 per issue
The 12-issue subscription costs 33.60/12. You divide 33.60/12. It is 2.80 per issue

Therefore: The 12-issue subscription costs more than the 18-issue subscription.

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Which is f(5) for the function –2x2 + 2x – 3? –107 –63 –43 –37

Answers

If f(x) = - 2x² + 2x - 3, then f(5) will be
$f(x)=- 2x^(2) + 2x - 3\n f(5)=- 2(5)^(2) + 2(5) - 3\n f(5)=- 2(25) + 10 - 3\n f(5)=-50 + 10 - 3\n f(5)=-43$

Thus, your answer is C, -43.

You can just put that value 5 in place of x and then evaluate the output.

The value of f(5) for the given function is given by:

Option C: -43

How to evaluate functions on a given point?

Use the definition of function to evaluate the function on a given point. Most of the time, in general cases, the function will be algebraic and you just need to replace the input variables with the value of the point you want to evaluate the function on.

How to evaluate f(5)?

Since it is given that

$f(x) = -2x^2 + 2x - 3$

thus, replace x with 5 everywhere and evaluate the result as:

$f(5) = -2 * (5)^2 + 2 * (5) - 3 = -2 * 25 + 10 - 3 = -50 + 7 = -(50 - 7) = -43\nf(5) = -43$

Remember that $2x$ is 2 multiplied by $x$ , and so as $-2x^2 = -2 * x^2$

And $x^2 = x * x$

We get,

The value of f(5) for the given function is given by:

Option C: -43

Learn more about evaluating a function here:

brainly.com/question/2753269

I need help with this last question and then I'll submit my test! please help in full explanation!

Answers

Answer:

Brianna is right. The quotient is in the hundreds place ,because the first digit is 2 spaces to the left from the comma/period ,thus we know it's a hundred

Three workers arrive at work 15 minutes late, at a cost of $11/hour how will it cost company?

Answers

$1h=60min\n\n\begin{array}{ccc}60min&-&\$11\n\n15min&-&\$x\end{array}\n\n\ncross\ multiply:\n\n60x=11\cdot15\ \ \ /:60\n\nx=(11\cdot15)/(60)\n\nx=(11)/(4)\n\nx=2.75\ (\$)\leftarrow Answer$

$other\ method:\n\n\$11\ -\ 60min\ \ \ \ /:4\n\n\$11:4\ -\ 60min:4\n\n\$2.75\ -\ 15min$

$Answer:a\ cost\ (\$2.75)/(15min)$

0.06 or 0.06666666666 As a fraction

Answers

0.06 = 6/100
When simplified, that's 3/50 .

0.06666666666 = 6,666,666,666/10,000,000,000
When simplified, that's 3,333,333,333/5,000,000,000 .

How many triangles can be constructed with angles measuring 120°, 40°, and 10°?

Answers

Answer:

Step-by-step explanation:

All angles in a triangle must add to 180 degrees

A new pencil weighs 25 grams. After the pencil has been used for a while, it weighs 2 decagrams. How many grams of the pencil have been used up

Answers

5 grams of the pencil have been used up.

5 grams have been used up.

2 decagrams = 20 grams

You originated with 25.

25 - 5 = 20

Therefore the answer is 5 grams.

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