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qaws [65]
3 years ago
14

Oliver drove the first 90 miles of his journey in 1.5 hours and the remaining 120 in 3 hours. What was the average speed on the

first part of Oliver’s journey?
Mathematics
2 answers:
ikadub [295]3 years ago
6 0
Creo que la respuesta es C. No soy bueno con el inglés, pero eso es lo que pienso. Lo siento si está mal.
e-lub [12.9K]3 years ago
3 0

Answer:

60 mph

Step-by-step explanation:

1. distance/time=speed

2. substitute

3. 90/1.5

4. solve

5. 90/1.5=60

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Paula has her own business making cakes for
djverab [1.8K]

Answer:

Since Paula has her own business of making cakes for special occasions, and the total price (P) of one of Paula's cakes is represented by the equation P = 0.75S +10, where S is the number of people the cake serves, for determine what does the 0.75 represent in this situation and what does the 10 represent in this equation, the following mathematical reasoning must be carried out:

P is the price of the cake

S is the number of servings

Therefore, 0.75 is the value of each serving, which can be variable (the number of servings can vary)

In turn, 10 is the fixed cost of each cake.

4 0
3 years ago
In the casino game of roulette, a $1 bet on red pays $2 with probability 18/38 and $0 with probability 20/38. So if X denotes th
Flauer [41]

Answer:

P_X(1) = 9/19

P_X(-1) = 10/19

Step-by-step explanation:

You need to take the payment and substract $1 from them, corresponding to the bet cost. With this in mind, you will win $1 with probability 18/38 = 9/19 and you will lose $1 with probability 20/38 = 10/19. With this in mind, the distribution of X is given by the following probability mass function, with range {-1,1}

P_X(1) = 9/19

P_X(-1) = 10/19

4 0
3 years ago
What the heck do i put here pls help
Genrish500 [490]

Answer:

I can't answer the whole question but the first one is 7 x 9, or 63 squares. And say you chose a square that is 4 x 3 so that would be the area of the tile you chose. Im sorry I couldn't answer the whole thing but I hope that makes since of what I did, if not please ask questions.

Step-by-step explanation:

5 0
3 years ago
When does the expression below equal
SIZIF [17.4K]
Answer: n(7)+3=10
Explanation: 7+3 equals 10
4 0
3 years ago
To decrease a number by 40%, what do we multiply by???
andrew-mc [135]

Answer:

Step-by-step explanation:

to decrease a number by 40% i would do

100% = number you got

50% divide by 2

10%= dived 100% number by 10 then take the 10% away from the 50% to get 40%

then take the 40% away from the 100%

hope this helps :)

7 0
3 years ago
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