Find the percentage based upon 400 people in the survey. 16%

Answers

Answer 1

Answer: To find a percentage, you the decimal point in the percent two places to the right 16% = 0.16. Then multiply.

0.16 • 400 = 64

16% of 400 = 64

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Evaluate the expression for w=1.1 Write your answer in simplest form. (-w+7)/(-9w+4)
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Answers

What exactly is the question?

Answer:

What is the question

Step-by-step explanation: 23 45 67 89 90 78 56 45 67 54 34 43 21 212 12 34 5 6 80 90 87 65 56 78 78 98 89 28 92 19 10 20 30 40 50 60 70 80 90 100 10 9 8 7 6 5 4 3 2 1

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Nancy sells handcrafted bracelets at a flea market for $6. If her monthly fixed costs are $625 and each bracelet cost her $1.75 to make, how many bracelets must she sell in a month to make a profit?

Answers

The number of bracelets that Nancy must sell in a month to make a profit is approximately 148.

Given that:

Nancy sells handcrafted bracelets at a flea market for $6.

The monthly fixed cost is $625 and each bracelet costs $1.75 to make.

Let n be the total number of bracelets that Nancy sells in a month.

The selling price of a bracelet = $6

Then, the selling price of n bracelets = 6n

Total revenues = 6n

Monthly fixed cost = $625

Additional cost for each bracelet = $1.75

Additional cost for n bracelets in a month = 1.75n

Total cost = 625 + 1.75n

In order to have profit, the total revenues minus the total cost must be positive.

6n - (625 + 1.75n) > 0

6n - 1.75n - 625 > 0

4.25n - 625 > 0

Add 625 on both sides,

4.25n > 625

Divide both sides by 4.25,

n > 147.06 ≈ 148, when rounded up.

Hence, the number of bracelets that Nancy has to sell to make a profit is 148.

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148, 6-1.75=5.25, then.... 625/5.25& round up.... its 148.

Lisa is seven times as old as her brother. She will be four times as old as her brother in three years. Represent the above situation in mathematical form.

Answers

Answer:

Let B = the brothers age now

Let L = Lisa's age now

Then today:

L = 7B

And three years from now, Lisa's current age plus 3 equals 4 times the brothers age plus 3 represented by the following formula

L+3 = 4(B+3)

Now we can substitute the value of L in the first formula for L in the second formula

7B + 3 = 4(B+3)

So the answer is C

Step-by-step explanation:

N is the set of real numbers that are factors of 12{1, 2, 3, 4, 6}
{1, 2, 3, 4, 6, 12}
{1, 2, 3, 4, 5, 6, 8, 12}
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

Answers

We are asked to determine the set of real numbers that contain the factors of 12. 12 is considered as a composite number in which the factors are not only 1 and 12. Factors are considered as numbers in which 12 is divisible by them. In this case, the answer is B. {1, 2, 3, 4, 6, 12}.

Given the formula
an = 3 * 2^n-1
What is the 9th term?