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lana [24]
4 years ago
9

Solve for n. −5/6n=40 What is the answer A.−56 B.−48 C.48 D.56

Mathematics
2 answers:
stiv31 [10]4 years ago
7 0
It should be -48. Multiply 40 by the reciprocal and simplify.
Zinaida [17]4 years ago
7 0
Its -48 did the test and it is this
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For the given set, first calculate the number of subsets for the set, then calculate the number of proper subsets. {18, 8, 14, 9
kicyunya [14]

Answer:

Subsets of the given set = 32

Proper subset of the given set = 31

Step-by-step explanation:

Given set is {18, 8, 14, 9, 6} having 5 elements.

We know number of subsets of a set having n elements are represented by

2^{n}

where n is the number of elements in the set.

Therefore, subsets of the given set = 2^{5}

= 32

Since original set itself is a subset of its own, is not a proper subset.

Therefore, proper subset of a set = 2^{n}-1

= 2^{5}-1

= 32 - 1

= 31

7 0
4 years ago
Evaluate the expression 263 + 5 when b = 3.<br> 263 +5 = 2(3): +5<br> =
ExtremeBDS [4]

Given:

The expression is:

2b^3+5

To find:

The value of the given expression when b=3.

Solution:

We have,

2b^3+5

Substituting b=3 in the above expression, we get

2b^3+5=2(3)^3+5

2b^3+5=2(27)+5

2b^3+5=54+5

2b^3+5=59

Therefore, the value of given expression at b=3 is 59.

7 0
3 years ago
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Triangle ABC was transformed to be triangle FED using
vampirchik [111]

Answer:

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4 0
3 years ago
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erastova [34]
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3 years ago
Which of the following equations are identities? Check all that apply.
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Answer:

B.

Step-by-step explanation:

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