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frozen [14]
3 years ago
13

What is the answer for x ?

Mathematics
2 answers:
poizon [28]3 years ago
6 0
X=5 here is the work. This work comes from photomath

Bingel [31]3 years ago
5 0
I think its probaly going to be 6
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Simplify 6/12 in the simplest form​
zysi [14]

Answer:

!12

Step-by-step explanation:

6 is half of 12

8 0
3 years ago
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Keep getting stuck on dividing the fractions to simplify them
My name is Ann [436]

Answer:

This problem is just reduced by 2

Step-by-step explanation:

you have to have a calculator that puts your answer back into fraction form.

This problem is just reduced by 2

8 0
3 years ago
3x = 2/5 what is x plz help
a_sh-v [17]

3x = 2/5

x = 2/5 · 3

x = 17/5

x = 17/5

or

x = 3.4

3 0
3 years ago
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A jeweler needs 50 ounces of a 21% silver alloy. Find the amount of a 12% silver alloy and the amount of a 24% silver alloy he s
sergij07 [2.7K]

Answer:

  • 12.5 ounces of 12% alloy
  • 37.5 ounces of 24% alloy

Step-by-step explanation:

Let x represent the amount (in ounces) of 24% alloy in the mix. Then the amount of 12% alloy is (50 -x). The amount of silver in the mix is ...

  24%·x + 12%·(50 -x) = 21%·50

  12x = 450 . . . . . . simplify, multiply by 100 (to eliminate %), and subtract 600

  x = 37.5 . . . . . . . divide by 12

The jeweler needs to mix 37.5 ounces of 24% silver alloy with 12.5 ounces of 12% silver alloy to make 50 ounces of 21% silver alloy.

4 0
3 years ago
Use the multiplication rule to find the probability that the first four guesses are wrong and the fifth is correct. That is, fin
BabaBlast [244]

Complete question is;

Multiple-choice questions each have 5 possible answers, one of which is correct. Assume that you guess the answers to 5 such questions.

Use the multiplication rule to find the probability that the first four guesses are wrong and the fifth is correct. That is, find P(WWWWC), where C denotes a correct answer and W denotes a wrong answer.

P(WWWWC) =

Answer:

P(WWWWC) = 0.0819

Step-by-step explanation:

We are told that each question has 5 possible answers and only 1 is correct. Thus, the probability of getting the right answer in any question is =

(number of correct choices)/(total number of choices) = 1/5

Meanwhile,since only 1 of the possible answers is correct, then there will be 4 incorrect answers. Thus, the probability of choosing the wrong answer would be;

(number of incorrect choices)/(total number of choices) = 4/5

Now, we want to find the probability of getting the 1st 4 guesses wrong and the 5th one correct. To do this we will simply multiply the probabilities of each individual event by each other.

Thus;

P(WWWWC) = (4/5) × (4/5) × (4/5) × (4/5) × (1/5) = 256/3125 ≈ 0.0819

P(WWWWC) = 0.0819

4 0
3 years ago
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