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AleksandrR [38]
3 years ago
7

100 points if you can solve this for me

Mathematics
1 answer:
Amanda [17]3 years ago
8 0

Answer:

5 feet

Step-by-step explanation:

i know it is, i'm a straight A student in math :D

i just don't know how to explain-

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A solid shape is made by joining two cones.
dlinn [17]

The surface area of the solid shape is the amount of space on it

The radius of the two cones is 2.93 cm

<h3>How to determine the radius?</h3>

The given parameters are:

  • Cone 1: slant height, l = 2r
  • Cone 2: slant height, L = 3r
  • Surface area = 135. 21 cm²

The surface area of the shape is calculated using:

T = πr(L + l)

So, we have:

135.21 = πr(2r + 3r)

Evaluate

135.21 = 5πr²

Divide both sides by 5π

r² = 135.21/5π

Evaluate the quotient

r² = 8.61

Take the square root of both sides

r = 2.93

Hence, the radius of the cones is 2.93 cm

Read more about surface area at:

brainly.com/question/6613758

3 0
2 years ago
Please Complete the page.
Alexxandr [17]
7. -8/3
8. 4/35
9. -21/50
10. 35/64
11.-25/54
6 0
3 years ago
Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0 and standard deviation 1
Digiron [165]

Answer:

P(z

And the best option would be:

0.8708

Step-by-step explanation:

We assume that the distribution for the random variable is:

X \sim N (\mu=0 , \sigma=1)

For this case we want to calculate the following probability:

P(z

And we can use the normal standard distribution or excel and we got:

P(z

And the best option would be:

0.8708

8 0
3 years ago
How do i find the value of x in x+7=2
Shkiper50 [21]

Answer:

x = -5

Step-by-step explanation:

Get x by itself on the left side. To do that, subtract the 7. Do to both sides. This makes x = -5

8 0
3 years ago
Read 2 more answers
5x-6=3x<br> what does x equal
makvit [3.9K]
5x-6= 3x
⇒ 5x-3x= 6
⇒ 2x= 6
⇒ x= 6/2
⇒ x= 3

Final answer: x=3~
3 0
3 years ago
Read 2 more answers
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