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sweet-ann [11.9K]
3 years ago
11

IM BEGGING PLEASE SOMEONE HELP

Mathematics
2 answers:
muminat3 years ago
8 0

Answer: should be 20

Step-by-step explanation:

stira [4]3 years ago
6 0

Answer:

65.973445725386 inches³

≈ 65.97 inches³ or 66 inches³

Step-by-step explanation:

Given

Radius = 3 , height = 7 inches

Formula for volume of a cone.

Volume = ⅓ • π• r²• h

= ⅓×π×32×7

= 21π

= 65.973445725386 inches³

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If k is a positive integer and n = k(k + 7), is n divisible by 6 ? (1) k is odd. (2) When k is divided by 3, the remainder is 2.
olganol [36]

Answer:

1.) Yes

2.) Yes

Step-by-step explanation:

Given that

n = k(k + 7)

If k is a positive integer and n = k(k + 7), is n divisible by 6 ?

(1) k is odd. Yes.

Let assume that k = 3

Then, n = 3(3 + 7)

n = 3 × 10

n = 30.

30 is divisible by 6.

(2) When k is divided by 3, the remainder is 2. That is,

Let k = 5

Then,

5/3 = 1 remainder 2

Substitute k into the equation

n = k(k + 7)

n = 5(5 + 7)

n = 5 × 12

n = 60

And 60 is divisible by 6.

Therefore, the answer to both questions is Yes.

5 0
3 years ago
Jaerd made 12 3/4 cups of snack mix for a party. His guest ate 2/3 of the mix. How much snack did his guest eat
77julia77 [94]

Answer:

8 1/2 cups

Step-by-step explanation:

12 3/4 divided by 3= 4 1/4 times 2 = 8 2/4 = 8 1/2

5 0
3 years ago
Read 2 more answers
A college student wants to determine if degree of introversion/extroversion is associated satisfaction with life. She has a samp
andrew11 [14]

Answer: Correlation

Step-by-step explanation:

The statistics that should be used to determine if scores on these two surveys are related to each other is referred to as correlation.

Correlation indicates the degree by which the variables that are given are linearly related. Correlation is used in the testing and determination of the strength of association that can be found between two variables.

In this case, since the student wants to determine if degree of introversion or extroversion s associated satisfaction with life, the correlation will be appropriate to use.

7 0
3 years ago
A recursive rule for a geometric sequence is a1=49;an=3an−1.
dalvyx [7]
I think it should be an= 49x3^(n-1)
3 0
3 years ago
How to round to the nearest hundred
Andrews [41]
If it is less then 5 you do the next hundred down 5 and above the next one up
8 0
3 years ago
Read 2 more answers
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