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ycow [4]
3 years ago
5

81.3 x 47.5 = i am lost............

Mathematics
1 answer:
Drupady [299]3 years ago
5 0

Answer:

3861.75

Step-by-step explanation:

i hope its the good answer

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Misty is planning a party for her daughter. She is buying favors that cost $2.50 each and a cake that costs $40. She does not wa
kondaur [170]

Answer:

f*2.5 + 40 = 100

Step-by-step explanation:

f*2.5 + 40 = 100

f = (100 - 40) / 2.5

f = 24

4 0
4 years ago
Mathew buys a single ticket for $8 out of a lottery of 1000 tickets where the prize for the one winning is to be $800. How much
miss Akunina [59]

Given:

The number of tickets = 1000

Mathew buys a single ticket for $8

Winning price = $800

To find:

The expected earning per ticket.

Solution:

It is given that the total number of tickets is 1000. So, the probability of winning is:

P(Winning)=\dfrac{1}{1000}

The probability of losing is:

P(losing)=\dfrac{999}{1000}

The expected earning per ticket is:

E(x)=800\times P(Winning)-8\times P(losing)

E(x)=800\times \dfrac{1}{1000}-8\times \dfrac{999}{1000}

E(x)=\dfrac{800}{1000}-\dfrac{7992}{1000}

E(x)=\dfrac{800-7992}{1000}

E(x)=\dfrac{-7192}{1000}

E(x)=-7.192

Therefore, the expected earning per ticket is -7.192. Here, negative sign means loss of $7.192.

5 0
3 years ago
Three numbers are in the ratio of 2:3:4 and their LCM are 240. Their HCF is?<br>​
Dmitrij [34]

Answer:

20.

Step-by-step explanation:

Assign variables. The numbers acan be 2x, 3x and 4x. Then, LCM of 2x, 3x and 4x is 12x

12x = 240

(240/12) = x = 20

The HCF of 2x, 3x, and 4x is 20. (Because x is the highest common factor.)

7 0
3 years ago
Hey! Can someone help me with this! Please thank u!
NeTakaya

Step-by-step explanation:

1. vertical opposite angles

2. corresponding angles

3. alternate interior angles

4. alternate exterior angles

5. corresponding angles

6. vertical opposite angles

7. alternate exterior angles

8. vertical opposite angles

9. corresponding angles

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7 0
3 years ago
What is 1.29 multiply 3 times
kogti [31]

The correct answer is 3.87.

4 0
3 years ago
Read 2 more answers
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