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2 years ago

There is a bag with 50 popsicles inside. 5

Mathematics

1 answer:

Allisa [31]2 years ago

8 0

Answer:

25%

Step-by-step explanation:

We know that there are ten purple popsicles. Together without the purple popsicles, there are 40 popsicles in total. Therefore there is a 10/40 chance to get purple. We need to turn this into a percentage so we do (10 / 40) x 100. This would equal to 25%, therefore, there is a 25% probability to get a purple popsicle.

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7. What is the cardinality of each of the following sets?

zysi [14]

Answer:

The cardinality of set (a) is 0,

the cardinality of set (b) is 1

and

the cardinality of set (c) is 3.

Step-by-step explanation: We are given to find the cardinality of each of the following sets :

(a) { }.

(b) { { } }.

We know that

CARDINALITY of a set is the number of elements present in the set.

(a) The given set is A = { }.

The set A is an empty set, so it does not contain any element. Hence, the cardinality of the set A is 0.

(b) The given set is B = { { } }.

The set is B is singleton set, contains only one element (that is empty set). So, the cardinality of the set B is 1.

(c) The given set is C = {a, {a}, {a, {a}} }.

The set C has three elements, a, the set {a} and the set {a, {a}}. So, the the cardinality of set C is 3.

Thus,

the cardinality of set (a) is 0,

the cardinality of set (b) is 1

and

the cardinality of set (c) is 3.

8 0

2 years ago

A park district has 45 pine trees and 30 oak trees to be planted. They are separating the trees for different areas. They want e

Lady_Fox [76]

Answer:

greatest number of areas that can be created=5

Step-by-step explanation:

given data

Number of pine trees = 45

Number of oak trees = 30

solution

we want area have same number of both trees

so we get here greatest number of area

we find here greatest common factor of 45 and 30

so Prime factorization of 45 and 30 are

45 = 3 × 3 × 5

30 = 2 × 3 × 5

as here GCF = 5

so here greatest number of areas that can be created=5

6 0

2 years ago

Which of the following represents a number squared is equal to twenty more than nine times that number ?

Neko [114]

Answer:

I believe it's B

Step-by-step explanation:

5 0

2 years ago

The graph shows the height of a plant over a 2-month growth period. Calculate the rate of change per day.

Mkey [24]

Answer:

14/61 cm per day

Step-by-step explanation:

Use the slope formula $\frac{y_{2} - y_{1}}{x_{2} - x_{1}}$

Plug it in $\frac{16-2}{61-0}$

Simplify $\frac{14}{61}$

3 0

3 years ago

What is x in x - (-11) = -20

Paha777 [63]

x is -31 because you had to add -11 and -20

6 0

2 years ago