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alina1380 [7]
3 years ago
10

15 points!!! HELP AS SOON AS YOU CAN !!!

Mathematics
2 answers:
katrin [286]3 years ago
5 0

Answer:

-31 1/3 (answer choice 1)

Step-by-step explanation:

Let's begin by eliminating the fractions.  Mult. all four terms by the LCD (8), obtaining:

-f - 6 - 2f = 88.  Then -3f = 94, and f = -31 1/3


Aliun [14]3 years ago
3 0
Okay, so, in this problem, first you want to combine your like-terms, so, all the numbers with the variable 'f' attached to them.

-1/8f - 3/4 - 1/4f = 11

So, now your problem should look like this:

-3/8f - 3/4 = 11

Now, you do the opposite of subtraction, which is addition, and movie the -3/4 and combine it with the 11:

-3/8f - 3/4 = 11
+3/4 +3/4
______________
-3/8f = 11 3/4

Now, to find F, divide by -3/8 on both sides:

-3/8f = 11 3/4
÷ -3/8 ÷3/8
____________
F = 31 1/3

I hope this helps!
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find the probability if two dice are rolled. (enter the value of probability in decimals. round the answer to three decimal plac
spayn [35]

The probability of getting a total of 8 when two dice are rolled is 0.139.

Probability is a number that expresses the likelihood or chance that a specific event will take place. Probabilities can be represented by proportions on a 0–1 scale.

A single die will have six sides with the numbers: 1, 2, 3, 4, 5, and 6. Each of these events is equally likely to occur if the dice are rolled fairly. So the probability of getting any side of the number is 1/6. Therefore, the probability of getting 1 in dice is 1/6, 2 is 1/6, and so on.

Therefore, the total possible outcomes are the multiplication of the total possible outcomes on dice 1 and dice 2, which is 36.

This possible outcome of rolling two dice is given by,

\left\{\begin{array}{ccccccc}(1, 1)&(1, 2)& (1, 3)&(1, 4)&(1, 5)&(1, 6)\\(2, 1)&(2, 2)&(2, 3)&(2, 4)&(2, 5)&(2, 6)\\(3, 1)&(3, 2)&(3, 3)&(3, 4)&(3, 5)&(3, 6)\\(4, 1)&(4, 2)&(4, 3)&(4, 4)&(4, 5)&(4, 6)\\(5, 1)&(5, 2)&(5, 3)&(5, 4)&(5, 5)&(5, 6)\\(6, 1)&(6, 2)&(6, 3)&(6, 4)&(6, 5)&(6, 6)\end{array}\right\}

The probability of getting a total of 8 from both dice is given by, (2, 6) (3, 5) (4, 4) (5, 3) (6, 2). So the number of favorable outcomes is 5 and the total outcome is 36. The probability is P(getting a total of 8 from both dices)=5/36= 0.139.

The answer is 0.139.

The complete question is -

Consider rolling dice and getting a total of 8. Find the probability of two dice are rolled. (Enter the value of probability in decimals. Round the answer to three decimal places).

To know more about dice probability:

brainly.com/question/17239706

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8 0
1 year ago
A 16- foot board is to be cut into two pieces so that one piece is 4 feet longer the the other. How long will the longer piece b
Dennis_Churaev [7]

Answer:

The longer piece will be 10 feet long.

Step-by-step explanation:

16 - 10 is 6

10 is 4 more than 6

therefore the longer piece will be 10 feet long

5 0
3 years ago
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Paladinen [302]

Answer:

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Step-by-step explanation:

Let x represent the number of lawns Jacob mowed and y represent the number of dogs Sarah walked.

Jacob charges $20 each time he mows a lawn, then he earns $20x for x lawns mowed.

Sarah charges $10 each time she walks a dog, then she earns $10y for y dogs walked.

In total, they will earn $(20x + 10y). They need at least $2000 in order to go on a trip, then

20x+10y\ge 2000

Note that x\ge 0,\ y\ge 0.

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I took the quiz and this what the answer, I hope this help future people that had the same question.

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Step-by-step explanation:

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