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kirill [66]
3 years ago
6

Hey can you please help me posted picture of question

Mathematics
1 answer:
SpyIntel [72]3 years ago
3 0
We are to find the Probability the someone buys a book that is paperback and fiction.

Let P(F) represents the event that the book is fiction and P(P) represents the event that the book is paperback. We are to find P(F∩P)

P(F∩P) = P(F) x P(P)

From the tree diagram we can see that:

P(F) = 0.45
P(P) = 0.65

Using the values, we get:

P(F∩P) = 0.45 x 0.65 = 0.2925

So, the Probability the someone buys a book that is paperback and fiction is 0.2925.

So, option B gives the correct answer
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Could 7.7 cm, 4.0 cm, and 1.7 cm be the side lengths of a triangle?
Sedbober [7]
  • Triangle Inequality Theorem: States that the sum of any two sides of a triangle is greater than the length of the third side; A+B>C\\B+C>A\\A+C>B

So for this, we are applying the triangle inequality theorem. If any of the inequalities are not true, then this cannot be a triangle. (Let A = 7.7, B = 4.0, and C = 1.7)

7.7+4.0>1.7\\11.7>1.7\ \textsf{(true)}\\\\4.0+1.7>7.7\\5.7>7.7\ \textsf{(false)}\\\\7.7+1.7>4.0\\9.4>4.0\ \textsf{(true)}

<u>Since the second inequality is false, these lengths cannot form a triangle.</u>

3 0
4 years ago
An ice cream vendor sells three flavors: chocolate, strawberry, and vanilla. Forty five percent of the sales are chocolate, whil
olganol [36]

Answer:


Step-by-step explanation:

Sales of the chocolate ice cream is 45%, 30% for strawberry and 25% (100%-45%-30%) of vanilla.

Percentages of cone sales for chocolate, strawberry and vanilla are 75%, 60% and 40%respectively.

A. Probability chocolate chosen: 45%=0.45

B. Probability strawberry chosen: 30%=0.30

C. Probability vanilla chosen:25%=0.25

D. Probability ice cream on a cone: 75%×45%+60%×30%+40%×25%

                                                          =0.75×0.45+0.60×0.30+0.40×0.25

                                                          =0.3375+0.18+0.1

                                                          =0.6175

E. Probability ice cream in a cup: 1- Probability ice cream in a cone

                                                     =1-0.6175

                                                     =0.3825

Probability that the ice cream sold on a cone and was strawberry flavoured is : 30%×60%

=0.30×0.60

=0.18

3 0
3 years ago
Read 2 more answers
What part of 3 1/2 is 1/2 ? PLEASE HELP ASAP! I WILL REWARD WITH BRAINIEST
8090 [49]

Answer:

7 /4

Step-by-step explanation:

Simplify the expression.

Exact Form:  7 /4

Decimal Form:

1.75

Mixed Number Form:

1  3 /4

5 0
3 years ago
Read 2 more answers
What is the measure of angle a
rewona [7]
Review the meaning of "straight angles."

Here 110 and A are "straight angles," and so 110 + A = 180   (degrees).

Then A = 70 degrees.
4 0
3 years ago
Read 2 more answers
The scale on a map is 1 inch = 50 miles. The actual distance between two cities is 475 miles. What is the distance between the c
Airida [17]

Answer:

9.5 inches

Step-by-step explanation:

1:50

475 divided by 50= 9.5

Times each side of the map scale by 9.5

9.5:475

4 0
3 years ago
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