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jekas [21]
1 year ago
6

Which is the graph of the rose curve

Mathematics
1 answer:
Vinil7 [7]1 year ago
3 0

<h2>(<em>LETTER A</em>)</h2>

<h3>How do you identify a rose curve?</h3>

Rose curve equations have two forms: r = a cos(nθ) and r = a sin(nθ) where a ≠ 0 and n is a positive integer. Petals have length determined by a. If n is odd, the number of petals is n. However, if n is even, the number of petals is 2n.

<em>hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>aaa</em><em> </em>^^'

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The number that, when increased by 30% equals 78
Arlecino [84]

Answer:

60

Step-by-step explanation:

x + 0.30x = 78

1.30x = 78

x = 60

3 0
3 years ago
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Please help me with correct answer
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D. -15

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4 0
2 years ago
3x+9y=75<br>8x+5y=67 <br>what is x and y?
slava [35]

There are many ways to solve simultaneous linear equations. One of my favorite for finding integer solutions is graphing. The attached graph shows the solution to be ...

... (x, y) = (4, 7)

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You can also use Cramer's Rule, or the Vedic math variation of it, which tells you the solution to

ax+by=c\\dx+ey=f

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x=\dfrac{bf-ec}{\Delta}\\\\y=\dfrac{cd-fa}{\Delta}\qquad\text{where $\Delta=bd-ea$}

Here, that means

... x = (9·67-5·75)/(9·8-5·3) = 228/57 = 4

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A (graphing) calculator greatly facilitates either of these approaches.

8 0
3 years ago
HELP HELP HELP PLEASE ASAP
Vadim26 [7]

Answer:

0.37 feet.

Step-by-step explanation:

The following data were obtained from the question:

Volume (V) = 4100 ft³

Height (h) = 1.8 miles

Radius (r) =?

Next, we shall convert 1.8 miles to foot.

This can be obtained as follow:

Recall:

1 mile = 5280 ft

Therefore,

1.8 miles = 1.8 × 5280 = 9504 ft

Finally, we determine the radius as follow:

Volume (V) = 4100 ft³

Height (h) = 9504 ft

Pi (π) = 3.14

Radius (r) =?

V = πr²h

4100 = 3.14 × r² × 9504

4100 = r² × 29842.56

Divide both side by 29842.56

r² = 4100/29842.56

Take the square root of both side

r = √(4100/29842.56)

r = 0.37 ft

Therefore, the radius of the hole is 0.37 feet.

7 0
3 years ago
Which expression is equal to
Burka [1]

Answer:

4^5/ 4^-9

Step-by-step explanation:

the third one

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