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Naya [18.7K]
3 years ago
15

Find the volume of the cone shown. Use 3.14 for pi. Round your answer to the nearest hundredth.

Mathematics
2 answers:
julia-pushkina [17]3 years ago
6 0

Answer:

261.8

Step-by-step explanation:

nlexa [21]3 years ago
4 0

Answer:

261.8

Step-by-step explanation:

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Can someone please help and explain how to use the Pythagorean Theorem to prove a triangle is a right triangle.
marin [14]

Hi there!

For the Pythagorean Theorem, basically you just need to apply this formula: a^2 + b^2 = c^2

And then find the root of the hypotenuse.

For example,

15^2 + 8^2 = the hypotenuse^2

Which equals, 225 + 64 = 289

Square root of 289 = 17

Please mark me brainliest if this helps!

Have a wonderful day!

7 0
3 years ago
Identify the conclusion in a hypothesis test of the following claim and sample data:
Anarel [89]

Answer:

C

Step-by-step explanation:

Firstly, we set up the null and alternative hypothesis as follows;

The null hypothesis is;

H0: μ ≥ 12

The alternative hypothesis is;

Ha : μ < 12

Next step is to calculate the test statistic z

Mathematically;

z = (x - μ )/ σ /√n

= (11.58 - 12) /1.93/√(80

Test statistic z = -1.92

Now we proceed to find the probability value that is equal to the value of the test statistic. We can find this by using the standard normal table or NORMSTD function on excel

P(z < -1.92) = 0.0274

P-value = 0.0274

alpha = 0.05

From the above, we can see that

P-value < alpha

And because of this, we are going to reject the null hypothesis and therefore accept the alternative.

We then conclude that there is sufficient evidence to conclude that "The average battery life (between charges) of this model of tablet is at least 12 hours."

7 0
3 years ago
Jim has received scores of 72 72 and 77 77 on his first two 100 point tests. what score must he get on his third 100 point test
Alisiya [41]
77+72=149 
149/2=74.5 
through the process of elimination, I found that Jim needs to get an 88 or higher to receive an average of 79 or greater. 

77+72+88=237 
237/3=79
7 0
3 years ago
Find BG.<br><br><br> ………………………….
____ [38]
BG = 40. Equation: 4(3) + 8 + 20 = 40.
4 0
3 years ago
Which statement is true
FinnZ [79.3K]
I think the answer is c
6 0
3 years ago
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