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sergij07 [2.7K]

4 years ago

13

20 points PLEASE HELP!! Find the area under one arch of a cycloid described by the parametric equations x = 3(20 - sin 20) and y

= 3( I - cos 20). Use 0 and π for the limiting values of θ .

1 answer:

Dmitry [639]4 years ago

8 0

If your choices are the following:
A. 9π
B. l8π
C. 27π
D. 36π

Then the answer would be C. 27π.

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7/10 times y minus 3/10 when y equals 1/7

Oduvanchick [21]

Answer:

Exact form : - 1/5

Decimal form : -0.2

Step-by-step explanation: Substitute the value of the variable into the equation and then simplify.

Hope this helps you out. If not, comment and let me know. Good luck, mate! ☺

-Leif the Insane Puppy Loving Weirdo-

3 0

4 years ago

sveticcg [70]

The surface are of the right cone is 176 sq.units. Option A) is the correct answer.

<u>Step-by-step explanation</u>:

<u>step 1</u> :

Radius of the cone, <em>r = 4</em>

Height or length of the cone,<em> h = 10</em>

<u>step 2</u> :

Total surface area of right cone = πrh + πr^2

= (π $\times$ 4 $\times$ 10) + ( π $\times$ 4^2)

= 40π + 16π

= 56 π = 56 $\times$ 3.14

= 176 sq.units

5 0

3 years ago

To the nearest dollar, what does the analyst believe

ruslelena [56]

The analyst believes the value of the stock at the end of three weeks will be $134.

<h3>What are stocks?</h3>

Stock (also known as capital stock) in finance refers to the shares of ownership in a corporation or company.
A single share of stock represents fractional ownership of the corporation based on the total number of shares.
This typically entitles the shareholder (stockholder) to that fraction of the company's earnings, proceeds from asset liquidation (after discharge of all senior claims such as secured and unsecured debt), or voting power, which are often divided in proportion to the amount of money invested by each stockholder.

To find the value of the stock:

Because the stock price drops by 28% every week, it will be:
100 - 28 = 72% every week.
So, r = 0.72.
Then, the equation V = 360(r)∧t will be V = 360(0.72)∧t .
After 3 weeks, V = 360(0.72)³ = 134.47 = 134

Therefore, the analyst believes the value of the stock at the end of three weeks will be $134.

Know more about stocks here:

brainly.com/question/690070

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The correct question is given below:

To the nearest dollar, what does the analyst believe the value of the stock will be at the end of three weeks? (Note: Disregard the $ sign when gridding your answer.)

3 0

2 years ago

Best Buy was having a 20% off sale on all flat screen

Cloud [144]

Answer:

$70

Step-by-step explanation:

350 x .2

5 0

4 years ago

The Senior class has 350 students. How much is the total bill if the Student government wants to buy each Senior a T-shirt costi

Scilla [17]

<u>To find the cost of Senior T-shirts needed, </u>
<em>Multiply (the number of students) by (how much each T-shirt costs).
</em>350 × 7.2 = $2520
<u>To find the cost of the yearbooks needed,
</u><em>Multiply (the number of students) by (how much each yearbook costs).
</em>350 × 24.75 = $8662.5
<u>Now, find the TOTAL money the Student government has to pay.
</u><em>Add up the two sums.
</em>2520 + 8662.5 = $11182.5
<em><u /></em>
<em>SO, the answer is </em><u>$11182.5</u>

3 0

3 years ago

Read 2 more answers