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iVinArrow [24]
3 years ago
13

If you know it please tell me it would help a lot

Mathematics
1 answer:
geniusboy [140]3 years ago
5 0
7n \le 21

Divide both sides by 7.

n \le 3

n must be less than or equal to 3. n can be 3 or any number under 3.

For example, n can be 1, 2, 3.
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Find the surface area of the cylinder to the nearest tenth. Use 3.14 for n
zaharov [31]
Remember: The formula for surface area for cylinders are S= 2πrh + 2πr²
 The 2πr² represents the circular parts of the cylinder. 

First, let's find the lateral side of the cylinder. 
→ 2 (3.14)(6)(15) = 565.2
Next, find the circular parts.
→ 2 (3.14)(6²)
→ 2 (3.14)(36) = 226.08
Add the two answers together.
→565.2 + 226.08 = 791.28
Round.
Your final answer is 791.3 in²
I hope this helps!

5 0
2 years ago
56 books 75% increase
Sliva [168]
56 * .75 = 42
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6 0
3 years ago
What is the absolute value of five
Ksenya-84 [330]
The absolute value of 5 is 5.

3 0
3 years ago
Read 2 more answers
How do you know the correct order in which to evaluate algebraic expressions?
GenaCL600 [577]
You should use PEMDAS. I
6 0
2 years ago
Please answer it now
Sergeeva-Olga [200]

Answer:

s= 15 (nearest integer), 14.8 (to nearest 10ths)

Step-by-step explanation:

here you need to apply the cosine rule,

{s}^{2}  =  {u}^{2}  +  {t}^{2}  - 2ut \cos(s)

substituting the values,

u= 13, t=5 and angle S as 60 and solving will give you the answer 14.76 (2 dp)

3 0
3 years ago
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