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saul85 [17]
2 years ago
9

A cylinder has a diameter of 6cm and a height of 3 cm what is the surface area of the cylinder?

Mathematics
1 answer:
skad [1K]2 years ago
6 0

Answer:

113.1cm²

Step-by-step explanation:

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A binomial probability distribution has p = .20 and n = 100.
AleksAgata [21]

Answer:

Mean = 0.2(100) = 20

Variance = 0.2×0.8×100 = 16

Standard deviation = 4

Yes, np > 5 & nq > 5

3 0
3 years ago
Read 2 more answers
Will adding a negative number to another integer always result in a negative sum? Why?
Ghella [55]

Answer:

  D  No, the integer with the larger absolute value always determines the sign of the sum.

Step-by-step explanation:

Suppose the integer you start with is +3. Adding -1 or -2 or -3 to that will result in 2, 1, or 0, none of which are negative. Only when you add a negative number with an absolute value greater than 3 will you get a sum that is negative. That is, <em>the number in the sum that has the largest absolute value determines the sign of the result</em>. (This is most important when the signs differ, but it is also true when the signs are the same.)

7 0
3 years ago
If 2 apple and 5 bananas cost 4.20 dollars and 3 apples and 4 bananas coke 4.So dollars what is the price of a apple and banana
e-lub [12.9K]

Answer:

An apple costs $0.45 and a banana costs $0.66.

Step-by-step explanation:

This question is solved by a system of equations.

I am going to say that:

An apple costs x.

A banana costs y.

2 apple and 5 bananas cost 4.20 dollars

This means that:

2x + 5y = 4.2

So

2x = 4.2 - 5y

x = 2.1 - 2.5y

3 apples and 4 bananas cost 4.

This means that:

3x + 4y = 4

Since x = 2.1 - 2.5y

3(2.1 - 2.5y) + 4y = 4

6.3 - 7.5y + 4y = 4

3.5y = 2.3

y = \frac{2.3}{3.5}

y = 0.66

Then:

x = 2.1 - 2.5(0.66) = 0.45

An apple costs $0.45 and a banana costs $0.66.

7 0
2 years ago
What is the solution to this system?<br> 3x+2y=45<br> 4x+-y=5
hodyreva [135]

(I) 3x + 2y = 45

(II) 4x - y = 5

Get y alone in equation (II)

4x - y = 5\\y = 4x - 5

Insert new equation (II) in equation (I)

3x + 2(4x - 5) = 45\\3x + 8x - 10 = 45\\3x + 8x = 45 + 10\\11x = 55\\x = 5

Insert x = 5 in equation (II)

y = 4 \cdot 5 - 5\\y = 20 - 5\\y = 15

5 0
3 years ago
PLEASE HELP I AM REALLY CONFUsEd
Vitek1552 [10]
63+ angle 4=180
-63. -63
Angle 4=117
Measure of angle 4 is equal to 117°
5 0
3 years ago
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