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pantera1 [17]
2 years ago
12

Week 12 Please answer with clear instructions so that i can apply this to other questions

Mathematics
1 answer:
OLEGan [10]2 years ago
3 0

Answer:

94.2m^2

Step-by-step explanation:

The formula for SA of a cone is...

\pi (r)(h)+\pi (r)^2

Fill in what you have

\pi (3)(7)+\pi (3)^2

Pi is 3.14 for our purposes

\pi (3)(7)+\pi (3)^2\\3.14(3)(7)+3.14(3)^2

Then solve

21(3.14)+9(3.14)\\\\94.2m^2

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Honestly, I'm trying my best to solve this but my Math XL is being so rude. ​
Valentin [98]
<h3>Answer:  19</h3>

==============================================================

Explanation:

T is the midpoint of PQ, which means T splits PQ into two equal parts. Those parts being PT and TQ.

Set them equal to each other and solve for x.

PT = TQ

3x+7 = 7x-9

3x-7x = -9-7

-4x = -16

x = -16/(-4)

x = 4

So,

PT = 3x+7 = 3*4+7 = 19

TQ = 7x-9 = 7*4-9 = 19

Both PT and TQ are 19 units long to help confirm the answer.

5 0
3 years ago
Read 2 more answers
Helpppp pleasee
ICE Princess25 [194]

Using the recursion equation, it is found that the value of the 2nd iterate is:

x_2 = 3.16228

<h3>What is the recursive equation?</h3>

The value of the nth iteration is given by:

x_n = \frac{x_{n-1} + \frac{10}{x_{n-1}}}{2}

The initial estimate is:

x_0 = 3.1

Hence, the 1st iterate is given by:

x_1 = \frac{x_0 + \frac{10}{x_0}}{2} = \frac{3.1 + \frac{10}{3.1}}{2} = 3.1629

The 2nd iterate is:

x_2 = \frac{x_1 + \frac{10}{x_1}}{2} = \frac{3.1629 + \frac{10}{3.1629}}{2} = 3.16228

Thus, the fourth option is correct.

You can learn more about recursive equations at brainly.com/question/6561461

6 0
3 years ago
Write a unite rate that compares the quantities described 48 cookies for 3 children
MrMuchimi

Answer:

48/3

Step-by-step explanation:

7 0
3 years ago
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A laboratory has a 75-gram sample of radioactive material.
Anvisha [2.4K]
Be more specific for yssss !!
8 0
3 years ago
Which inequality best represents that ice cream at −2°C is cooler than ice cream at 3°C? Group of answer choices −3°C &gt; 2°C −
ollegr [7]

Answer:

3°C > - 2°C

Step-by-step explanation:

Ice cream 1 = - 2°C

Ice cream 2 = 3°C

Lower temperatures are colder (cooler) than higher temperature values.

Hence, ice cream at - 2°C is cooler than ice cream at 3°C.

Hence, a temperature of 3°C is higher (greater) than - 2°C. Hence - 2°C is cooler (colder) than 3°C

Hence,

3°C > - 2°C

5 0
3 years ago
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