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3 years ago

Percent proportions: Chloe bought $34 worth of gifts for her friends. She needs to add 24% in tax.

Mathematics

2 answers:

Olegator [25]3 years ago

7 0

Answer:

its $8.16 tax i belive.

natima [27]3 years ago

7 0

Answer:

42.16

Step-by-step explanation:

$34 times 1.24 since you take 1 and 0.24 parts more than the original price

The tax itself is the 8.16$

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Are the equations 3x=−9 and 4x=−12 equivalent? Explain.<br> yes they are

My name is Ann [436]

Step-by-step explanation:

Yes they are equivalent. You get -3 when you try solving the actual equation.

5 0

2 years ago

In one jar, I have two balls labelled 1 and 2 respectively. In a second jar, I have three balls labelled 0, 1 and 2 respectively

PolarNik [594]

Step-by-step explanation:

this is a kind of trick question, actually.

with whatever we draw, we produce X values as power of 3.

to be precise, we can have only

3⁰ = 1

3¹ = 3

3² = 9

3⁴ = 81

due to the possible combinations of drawn numbers (e.g. 3 cannot be created by a multiplication of 0s, 1s and 2s).

so, mostly, these results cannot be exact factors of 1024.

1024 cannot be divided by 3, nor by 9 nor by 81.

but 1024 is a multiple of 1 (as is every number).

so, we are looking at the probability to get 0 as multiplication result of the numbers on the 2 drawn balls.

the only possibilities are

1 and 0

2 and 0

out of in total 6 (2×3) different outcomes

1 and 0

1 and 1

1 and 2

2 and 0

2 and 1

2 and 2

the probability of this "0" event is again

number of desired outcomes / number of possible outcomes = 2/6 = 1/3

6 0

2 years ago

The Smith family wants to fence their yard. The yard is 96 meters and 52 meters wide. How much fencing will they need?

Nadya [2.5K]

Answer:

4,992 meters of fence

Step-by-step explanation:

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2 years ago

in a five character password the first two characters must be digits and the last three characters must be letters if no charact

Vilka [71]

Answer:

1,404,000 unique passwords are possible.

Step-by-step explanation:

The order in which the letters and the digits are is important(AB is a different password than BA), which means that the permutations formula is used to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

$P_{(n,x)} = \frac{n!}{(n-x)!}$

In this question:

2 digits from a set of 10(there are 10 possible digits, 0-9).

3 characters from a set of 26. So

$P_{10,2}P_{26,3} = \frac{10!}{8!} \times \frac{26!}{23!} = 10*9*26*25*24 = 1404000$

1,404,000 unique passwords are possible.

5 0

3 years ago

I know it seems that alot of people like on here so people do their work but I really need help!!! I have a set of problems that

marshall27 [118]

Answer:

No Problem, I know That I personally can't stand it when people just give me the number. So another way to think of this problem is "How many 2/3 are in 3 cups." So try drawing 3 rectangles to represent 3 cups and then draw two lines inside those rectangles so that there are 3 rectangles inside each one and then shade in two of the smaller rectangles in a way that you can tell them all apart preferably different colors and then just count them.

Step-by-step explanation:

Hope this is enough to help you understand it, if not then feel free to ask for more info in the comments. :)

4 0

3 years ago