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djyliett [7]
3 years ago
7

Are sin and cosine graphs supposed to be curved (u-shape) or up and down (like a v-shape)?

Mathematics
2 answers:
hichkok12 [17]3 years ago
3 0
The graphs are curved, not segments ending in a point.


http://www.wolframalpha.com/input/?i=plot+y+%3D+sin+x+for+-3.2+%3C+x+%3C+3.2+and+-1.1+%3C+y+%3C+1.2

Leni [432]3 years ago
3 0
Cosine graphs and sine graphs have more of a u-shaped form instead of a sharp v shape. 
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The length of a rectangle is five more than the width. The perimeter is 130cm. What is the area?
Evgen [1.6K]
<h2>Greetings!</h2>

Answer:

≅ 586.8

Step-by-step explanation:

Take x to be the width, if the length is 5x bigger than the width, then this can be shown by 5x.

The total perimeter is:

(2 * x) + (2 * 5x) because each side has another parallel one.

This means that 2x + 10x = 130

12x = 130

Divide both sides by 12:

\frac{12x}{12} = \frac{130}{12}

x = \frac{65}{6}

So the area = length * width

x * 5x = area

Substitute the values in:

\frac{65}{6} * (5*\frac{65}{6}) = 586.8055... ≅ 586.8

So the approximate area is 586.8


<h2>Hope this helps!</h2>
5 0
3 years ago
Solve the right triangle
hoa [83]

Answer:

a

is the right one

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP ME OKT I DONT UNDERSTAND
Nostrana [21]

Answer:

See below.

Step-by-step explanation:

5a)

In an isosceles triangle, the angles opposite the congruent sides are congruent.

m<A = 40 deg

m<B = 40 deg

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m<C = 100 deg

5b)

In a right triangle, one angle is a right angle.

m<A = 40 deg

m<B = 90 deg

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40 + 90 + m<C = 180

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3 years ago
What is 1/16 of 480?
timurjin [86]
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3 years ago
Brainliest to whoever can answer questions correctly ​
-Dominant- [34]

Answer:

Have you tried 5 x pi?

Good luck! Hope that helps!

6 0
3 years ago
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