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sergij07 [2.7K]
2 years ago
11

Please Help I DOn't Understand This Lesson

Mathematics
1 answer:
elena55 [62]2 years ago
4 0

<u>Set up the composite function and simplify. </u>

f = 2x + 3,

g = -x^2 + 5,

f(x) o g(x):

D. 134

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Need help asap The answer is 100 or 126​
Serga [27]

Answer:

The surface area of the cone is 126π cm².

Step-by-step explanation:

The surface area of a cone can be found using this formula:

  • \text{SA} = \pi r ^2+\pi r l
  • where r = radius and l = slant height

In this problem, we are told that the cone has a radius of 9 cm and a slant height of 5 cm.

Substitute these values into the formula for the surface area of a cone.

  • \text{SA}= \pi (9)^2+ \pi(9)(5)\\
  • \text{SA}= \pi (81)+ \pi(45)
  • \text{SA}= 126 \pi

The surface area of the right cone is 126 π cm².

6 0
2 years ago
Can you help with this please
mojhsa [17]

Answer:

x = 81

Steps:

It says that y ~ √x

We have points (9, 18) as a guide.

We can write y = f(x) = a√x +b

Use points (9, 18) as a guide

18 = a√9 +b

18 = 3a + b

One solution might be a = 6, which means f(x) = 6√x

Thus when y = 54,

54 = 6√x

9 = √x

81 = x

6 0
1 year ago
What is the difference between -4 and 6?<br> O -10<br> O -2<br> O 2<br> O 10
sergey [27]

Answer:

10/D that's pretty obvious but whatever

7 0
2 years ago
Read 2 more answers
Solve for x: 1 over 4 (2x − 14) = 4. (1 point)
Ksju [112]

\frac{1}{4}(2x - 14)=4\\\\2x-14=16\\\\2x=16+14\\\\2x=30\\\\x=15

3 0
3 years ago
Read 2 more answers
An evaluation of the habitats of endangered salmon species was performed in Conservation Ecology (December 2003). The researcher
adell [148]

Answer: The habitat quality score will be normally distributed if at least 50% of the total sites are captured

Step-by-step explanation:

5 0
2 years ago
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