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4 years ago

How do youConvert fractions to percents

Mathematics

1 answer:

harina [27]4 years ago

8 0

You do a little method called cross multiplication and helps to solve proportions and how to find percents in your case. My iPad won't really show fractions but I'll use the dash marks.

1/10=?/100
Multiply 1 by 100 and you get 100 and then divide by 10 which will get you 10 percent.

Another example would be 4/5=?/100
Again you do cross multiplication and it would be 4 times 100 and you get 400 and then you divide by 5 and the answer is 80 percent.
HOPE THIS HELPED

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kirill115 [55]

1st term a₁ = - 3.7; common difference d = - 1.3

the nth term a(n) = a₁ +(n-1)d or a(n) = 3.7 + (n-1)(-1.3)

a(n) = - 3.7 - 1.3n + 1.3 ====> -2.4 - 1.3.n Or as per your answer:
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4 years ago

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sp2606 [1]

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4 years ago

Find the midpoint of the line segment with the given endpoints: (-1, -6) and (-6, 5).

Vikentia [17]

Answer:

Step-by-step explanation:

First, we will find the midpoint for the x - coordinate first.

Midpoint (x) = $\frac{-1+(-6)}{2} \\=\frac{-1-6}{2} \\=\frac{-7}{2} \\=-3.5$

Now we will find the midpoint for the y - coordinate.

Midpoint (y) = $\frac{-6+5}{2} \\=\frac{-1}{2} \\=-0.5$

Therefore from these 2 values we know that the midpoint of this 2 points is (-3.5,-0.5)

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2 years ago

a soft drink vendor at a popular beach analyzes his sales recods and finds that if he sells x cans of soda pop in one day, his p

ZanzabumX [31]

Complete Question:

A soft-drink vendor at a popular beach analyzes his sales records, and finds that if he sells x cans of soda pop in one day, his profit (in dollars) is given by P(x) = -0.001x² + 3x - 1800.

a. What is his maximum profit per day?

b. How many cans must be sold in order to obtain the maximum profit?

Answer:

a. $450

b. 1500 cans

Step-by-step explanation:

Given the following quadratic function;

P(x) = -0.001x² + 3x - 1800 ......equation 1

a. To find his maximum profit per day;

Since P(x) is a quadratic equation, P(x) would be maximum when $x = \frac {-b}{2a}$

Note : the standard form of a quadratic equation is ax² + bx + c = 0 ......equation 2

Comparing eqn 1 and eqn 2, we have;

a = -0.001, b = 3 and c = -1800

Now, we determine the maximum profit;

$x = \frac {-b}{2a}$

Substituting the values, we have;

$x = \frac {-3}{2*(-0.001)}$

Cancelling out the negative signs, we have;

$x = \frac {3}{2*0.001}$

$x = \frac {3}{0.002}$

x at maximum = 1500

Substituting the value of "x" into equation 1;

P(1500) = -0.001 * 1500² + 3(1500) - 1800

P(1500) = -0.001 * 2250000 + 4500 - 1800

P(1500) = -2250 + 2700

P(1500) = $450

b. Therefore, the soft-drink vendor must sell 1500 cans in order to obtain the maximum profit.

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3 years ago

Find the quadratic equation of -9+3p2=-12

Nastasia [14]

Answer:

How to solve your problem-

9 + 3 2 = − 1 2

Step-by-step explanation:

− 9 + 3 2 = − 1 2

9+3p2=-12

3 2 − 9 = − 1 2

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3 years ago