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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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Can someone plz help me, I need answers asap​
sleet_krkn [62]

Answer:

Here for points

Step-by-step explanation:

3 0
2 years ago
2. A right triangle has a hypotenuse of 15 cm. What are possible lengths for the two legs of the triangle? Explain your reasonin
dolphi86 [110]

Answer:

Two possible lengths for the legs A and B are:

B = 1cm

A = 14.97cm

Or:

B = 9cm

A = 12cm

Step-by-step explanation:

For a triangle rectangle, Pythagorean's theorem says that the sum of the squares of the cathetus is equal to the hypotenuse squared.

Then if the two legs of the triangle are A and B, and the hypotenuse is H, we have:

A^2 + B^2 = H^2

If we know that H = 15cm, then:

A^2 + B^2 = (15cm)^2

Now, let's isolate one of the legs:

A = √( (15cm)^2 - B^2)

Now we can just input different values of B there, and then solve the value for the other leg.

Then if we have:

B = 1cm

A = √( (15cm)^2 - (1cm)^2) = 14.97

Then we could have:

B = 1cm

A = 14.97cm

Now let's try with another value of B:

if B = 9cm, then:

A = √( (15cm)^2 - (9cm)^2) = 12 cm

Then we could have:

B = 9cm

A = 12cm

So we just found two possible lengths for the two legs of the triangle.

4 0
3 years ago
Timothy's swim practice started at
Lynna [10]

Answer:

1 hour and 15 minutes

Step-by-step explanation

There are 60 minutes in an hour. Add 15 minutes to get to 3:00 pm. From 3:00 pm to 4:00 pm is 1 hour. 15 minutes + 1 hour is 1 hour and 15 minutes

Hope this helps!

6 0
1 year ago
I give brainiest!!! Find the area of that sector. Show work.
Aleksandr [31]
That's a quarter of the circle. So find the area of the circle, and divide by 4 to get the answer.

Circle area = 3.14*13^2 = 530.66
Answer = circle area / 4 = 132.665
6 0
2 years ago
Read 2 more answers
A line with a slope of 5 passes through the point (0,4). What is its equation in
mezya [45]

The equation of a line is written as y = mx + b, where m is the slope and b is the y intercept.

You are given the slope: 5

The y-intercept is the y value when x is 0, this is also the point given to you (0,4), so the y-intercept (b) is 4.

The equation is y = 5x +4

5 0
3 years ago
Read 2 more answers
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