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3 years ago

What are the rules to solving an equation with variables on one side

Mathematics

1 answer:

max2010maxim [7]3 years ago

5 0

Answer:

Whatever you do to one side you must do it to the other side of the equation.

Step-by-step explanation:

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If 8 bags of grapes cost $20.00, how much do 3 bags of grapes cost?

Wewaii [24]

Answer:

Let cost of one bag be Y

8 x Y = $20

So, Y = $2.5

Now cost of 3 bags = 3 x 2.5 = $7.5

4 0

2 years ago

Which is greater 16/12 or 9/3

zavuch27 [327]

Answer:

$\frac{16}{12} \: \: < \frac{9}{3}$

9/3 is greater

Step-by-step explanation:

$\frac{16}{12} \: \: \: \: \: \: \: \: \: \: \frac{9}{3} \\ \frac{16}{12} \: \: \: \: \: \: \: \: \: \: \frac{9 \times 4}{3 \times 4} \\ \frac{16}{12} \: \: \: \: \: \: \: \: \: \: \frac{36}{12} \\ \frac{16}{12} \: < \: \frac{36}{12} \\ \\ so \\ \frac{16}{12} < \frac{9}{3}$

6 0

2 years ago

Read 2 more answers

PLEASE HELP

Savatey [412]

Correct Answer: Option A

The next step in simplification will be to convert the squared term so that it no longer contains a square.

So, we are to simplify the term $cos^{2}(2x)$

Using the half-angle identity we can write:

$cos^{2}(2x)= \frac{1+cos(4x)}{2}$

Using this value, the equation becomes:

$sin^{4}x=1-2cos(2x)+ \frac{ \frac{1+cos(4x)}{2} }{4}$

Therefore, option A is the correct answer.

4 0

3 years ago

3 movie tickets cost $48. At this rate, what is the cost of 15 movie tickets

Snowcat [4.5K]

Answer:

The total of the 15 tickets would be $240

Step-by-step explanation:

If you divide 48 and 3 you get 16 which is the cost for each ticket and then yuo multiply 16 by 15 and you get 240

3 0

2 years ago

Read 2 more answers

A museum worker randomly displays 5 historical writings in a row. What is the probability that the worker lines them up from the

Mars2501 [29]

The number of ways to arrange the 5 writings in a row is 5! = 5 * 4 * 3 * 2 * 1 = 120 ways.

There is only 1 way to arrange the writings from oldest to newest.

Therefore, the probability is 1/120.

4 0

2 years ago

What are the rules to solving an equation with variables on one side​

What are the rules to solving an equation with variables on one side