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Burka [1]
2 years ago
5

How many subsets does the set {c,o,v,i,d} have?

Mathematics
1 answer:
3241004551 [841]2 years ago
5 0
<h3>Answer:  32</h3>

Explanation:

If a set has n items inside it, then there will be 2^n different subsets. This includes the original set itself (since any set is a subset of itself).

Here we have n = 5 items in the given set, so there are 2^5 = 32 different subsets.

For more information, I recommend looking up the term "power set".

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What is the constant of proportionality in the equation y=25X?
Ad libitum [116K]

Answer:

Step-by-step explanation:

y = kx

If y = 25x , then k = 25

5 0
2 years ago
What is the answer
Mrac [35]

Answer:

The coordinates of H′ are (-2,0).

Step-by-step explanation:

It is given that square EFGH stretches vertically by a factor of 2.5 with respect to the x-axis to create rectangle E′F′G′H′.

If a figure stretches vertically by a factor of 2.5 with respect to the x-axis, then the x-coordinates remains same and the points which lie on the axis are also remains the same after stretch.

It is given that the coordinates of H are (-2,0). This point lie on the x-axis, therefore it will remains the same after stretch.

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3 0
3 years ago
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Which expression is equivalent to b^-3/ab^-3?
Mrrafil [7]
1/a

The b^-3 in the denominator and numerator cancel out
7 0
2 years ago
4. Your class is going to elect a President and Vice President. In how many ways can 2 people be elected if your class has 30 st
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2 years ago
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In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer. Smitha answered all
Ymorist [56]

Answer:

15 answers

Step-by-step explanation:

To solve this question we need to set up an equation.

Let's name the number of incorrect answers x.

<u>We can set up an equation that's essentially:</u>

(Points for correct answer)*(number of correct answers)+(points for incorrect answer)*(number of incorrect answers)=final score

When we plug in our numbers and variables it looks like this:

5(3)+(-2x)=-15

Simplify

15-2x=-15

Subtract 15 from both sides

-2x=-30

Divide both sides by -2

x=15

This means Smitha attempted 15 wrong answers, and that there were 18 questions in total.

6 0
1 year ago
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