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Mashutka [201]
3 years ago
5

Can sin(x)* cos(x) +{sin(x)*cos(x)+cos(x)*sin(x)} be simplified? If so, please simplfy it and show your work.

Mathematics
1 answer:
Art [367]3 years ago
6 0

Answer:

Yes that is just 3*cos(x)*sin(x)

Step-by-step explanation:

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??? times 4/9 is negative 8
Nitella [24]
-2/9 x 4/9 is -8
so the answer is -2/9
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3 years ago
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Divide 18 by 3, then add 9
kap26 [50]

Answer:

15

Step-by-step explanation:

18 ÷ 3 = 6

6+3 =15

hope this helps

6 0
3 years ago
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The number of gallons of gas Connie’s car, g, uses is directly proportional with the number of miles she drives, m. Last week, s
stellarik [79]

The equation which represent the problem is 14.5 = 469.8k.

<h3>What is Equation?</h3>

An equation is a mathematical statement with an 'equal to =' symbol between two expressions that have equal values.

Here, As given in question

The number of gallons of gas Connie’s car, g, uses is directly proportional with the number of miles she drives, m.

                                    g α m

                                     g = km     ............(i)

g = 14.5 gallons of gas          m = 469.8 miles

                                  14.5 = k X 469.8

                                  14.5 = 469.8k

Thus, the equation which represent the problem is 14.5 = 469.8k.

Learn more about Equation from:

brainly.com/question/2263981

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6 0
2 years ago
If AB = 2x – 13, BC = 3x - 16, and AC = 81. find the values of x, AB, and BC.
aniked [119]
If B is between A and C, and AB=3x+1, BC=2x-7, and AC=24, then find the value of x and the value of AB

let assume AC is straight line and B is on line

AB + BC = AC

3x+1 +2x -7 = 24

5x -6 = 24

5x = 30

x = 6
3 0
3 years ago
Emily measured the height of a dresser as 4.27 feet, but the actual height was 4 feet. What is the percentage of error in Emily’
Assoli18 [71]
We need to find the percentage of the extra feet that she measured, so first we have to find out how much that is. We can do this by simply subtracting:

4.27 - 4 = 0.27

Now we can set up a proportion to find the percentage.

\frac{0.27}{4}  \frac{x}{100}

Solve for x

0.27 x 100 = 27
27/4 = 6.75

The answer is 6.75% :)

Hopefully this helps! If you have any more questions or don't understand, feel free to DM me, and I'll get back to you ASAP! :)
6 0
3 years ago
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