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Dvinal [7]
2 years ago
14

Hey! i’ll give brainliest please help.

Mathematics
1 answer:
S_A_V [24]2 years ago
6 0

Answer:

A is

Step-by-step explanation:

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$12,800 15% is taken out what's the answer
Anuta_ua [19.1K]

Answer:

$10,880

Step-by-step explanation:

15% = 15 ÷ 100 = 0.15

So 15% of 12800 = 0.15 x 12800 = 1920

Therefore, 12800 - 1920 = 10880

OR

12800 x (1 - 0.15) = 10880

7 0
2 years ago
What is four fifths equivalent to
skad [1K]

Answer:

8/10 or 16/20

Step-by-step explanation:

6 0
3 years ago
Which of the following relations has an inverse that is not a function?
sertanlavr [38]

Answer:

Option B is correct.

The relation which has an inverse that is not a function is :(1, 2), (1, 3), (4, 3)

Step-by-step explanation:

Inverse of a function is the set of ordered pairs obtained by interchanging the first and second elements of each pair in the original function.

Let f(x) ={(1, 2), (1, 3), (4, 3)}

To find the inverse:

Inverse of f(x)=g(x)= {(2, 1), (3, 1), (3, 4)}

Function states that a relation in which each input value has only one output value.

Since, g(x) is not a function because the input 3 has multiple output values,.

Therefore, the only relation which has an inverse that is not a function is :(1, 2), (1, 3), (4, 3)



8 0
3 years ago
If you rolled a die, what is the probability that you would roll a 3 or a 9? Give your answer as a simplified fraction.
AnnyKZ [126]

Answer: P (3 or 9) = 1/6

Step-by-step explanation:

Concept:

Here, we need to know the idea of probability.

Probability is a measure of the likelihood of an event to occur.

If you are still confused, please refer to the attachment below for a graphical explanation.

Solve:

The numbers on a dice: 1, 2, 3, 4, 5, 6

Total numbers = 6

Number of 3 = 1

Number of 9 = 0

P (3 or 9) = Favorable / Total (refer to the attachment below)

P (3 or 9) = (1 + 0) / (6)

P (3 or 9) = 1 / 6

Hope this helps!! :)

Please let me know if you have any questions

7 0
3 years ago
Find the equation of the exponential function represented by the table below:
Hoochie [10]

Answer:

f(x)=5(4)^x

Step-by-step explanation:

The exponential function is f(x)=ab^x.  a is the initial value of the function, or the y-value when x=0. In this case, a=5. If we enter that into the equation:

f(x)=5b^x

Then we can use another point to solve for b.

20=5b^1

Since anything raised to the power of 1 remains the same, we can continue to solve algebraically.

20=5b\\\frac{20}{5}=\frac{5b}{5}\\b=4

Now that we have both the a and b value, we can return to the exponential function and fill in the blanks.

f(x)=5(4)^x

I hope this helps!

8 0
3 years ago
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