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Juliette [100K]
4 years ago
14

Janet is drawing the path formed by the parametric equations x=2+3 sin t and y=1-1/2cos t. Which curve did she draw??

Mathematics
1 answer:
irakobra [83]4 years ago
5 0
Sin²t +cos²t =1

<span> x=2+3 sin t
sin t=(x-2)/3

</span><span>y=1-1/2cos t
y-1= - (cos t)/2 
cos t =-(y-1)/(1/2)

</span>(x-2)²/3² + (y-1)²/(1/2)² = 1
Ellipse
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Simplify the following expressions. (14 +8^2) / 2-10
True [87]

Answer:

29

Step-by-step explanation:

To simply, follow the rules of PEMDAS (Parathensis,Exponents,Multiplication,Division,Addition and Subtraction). So, first do the problems in the parathesis, and to do that you must first do the exponent which is 8 squared, and the answer would be 64, next add 14 + 64 and that would be 78. Now that we are done with the paranthesis we should move on to the division which is 78 divided by 2 so that would be 39 next subtract 39 by 10 which would equal to 29, which is the answer

3 0
3 years ago
What additional information would prove that lmnp is a rectangle? the length of lm is startroot 45 endroot and the length of mn
cricket20 [7]

Rectangles are recognized to have the same qualities as parallelograms. The alternative with the additional information would demonstrate that LMNP is a rectangle is LP ⊥ PN.

<h3>What are rectangles?</h3>
  • A rectangle is a quadrilateral with four right angles in Euclidean plane geometry.
  • It can also be classified as an equiangular quadrilateral because all of its angles are equal, or a parallelogram with a right angle.
  • A square is a rectangle with four equal-length sides.

What to know about parallelogram and rectangle:

  • They both have two sorts of parallel sides as well as two pairs of opposite sides that are said to be congruent. All of the properties of a parallelogram are said to be shared by a rectangle.
  • This results in a rectangle and, invariably, a parallelogram.
  • However, a parallelogram is not generally referred to as a rectangle.
  • Option d, LP ⊥ PN as the supplementary information, would demonstrate that LMNP is a rectangle.

Therefore, rectangles are recognized to have the same qualities as parallelograms. The alternative with the additional information would demonstrate that LMNP is a rectangle is LP ⊥ PN.

Know more about rectangles here:

brainly.com/question/1549055

#SPJ4

The correct question is given below:
LMNP is a parallelogram.

What additional information would prove that LMNP is a rectangle?

A. The length of LM is √45 and the length of MN is √5.

B. The slope of LP and MN is –2.

C. LM ∥ PN

D. LP ⊥ PN

6 0
2 years ago
How to write 8ft and 26in in standard notation
zmey [24]

The length in standard notation is 2.17 + 8 = 10.17 ft

<h3>How to write in standard notation? </h3>

A standard notation is a form of writing a given number, an equation, or an expression in a form that follows certain rules.

For example 9.5 billions years can be represented as follows;

9,500,000,000 years.

Therefore,  let's write 8 ft and 26 inches in standard form.

12 inches = 1 ft

26 inches = ?

cross multiply

length(ft) = 26 / 12

length(ft) = 2.16666666667

length(ft) = 2.17 ft

Therefore, the length in standard notation is 2.17 + 8 = 10.17 ft

learn more on standard notation here: brainly.com/question/14414107

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8 0
2 years ago
if sally has 456 bells for her cows and her friend only has 1 and sally gives her friend 400 how many does sally have left?
Stella [2.4K]

Answer:

Step-by-step explanation:

Sally will have 56 bells left over. It is simple subtraction you subtract 400 from 456 because that is how many bells she is giving away.

Also would appreciate it if you could mark me Brainly.

3 0
3 years ago
Find the volume of the sphere. Use 3.14 for pi.​
Vlad1618 [11]
We need to see the other numbers to know what we are apply pi into
4 0
3 years ago
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