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Alja [10]
3 years ago
15

Two cars left at the same time. One car travels at an average of 7 miles per hour faster than the other one. First car got their

in 5 1/2 hours. Both cars traveled 599.5 miles
Mathematics
1 answer:
Elena L [17]3 years ago
8 0

Answer:

s=50.999 and you can round it to s=50.1

Step-by-step explanation:

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Miss penny inherits $520 She decides to save some of the money and spend the rest The ratio of savings to spending money is 9:4
Romashka-Z-Leto [24]

Answer:

savings = $360

spending = $160.

Step-by-step explanation:

saving : spending

  9       :      4

total amount = $520

add the two parts in the ratio(9+4) to get the total parts.

9 + 4 = 13parts .   so, 13 parts = 520.

what about 9 and 4?

13 = 520

9 = ?

9 × 520/13 = 360

4 × 520/13 = 160.

hope this helps.

8 0
3 years ago
Read 2 more answers
Two events, A and B, are disjoint. What is the probability that both A and B will occur at the same time?
solniwko [45]
ANSWER

P(A\cap B)=0

EXPLANATION

If the two events are disjoint, then they are mutually exclusive.

This means that their intersection is zero.

Therefore

n(A\cap B)=0

This implies that,

P(A\cap B)= \frac{n(A\cap B)}{n(U)}

P(A\cap B)= \frac{0}{n(U)} = 0

The probability that the two events will occur together is 0, which means an impossibility.
6 0
3 years ago
The price of an item has been reduced by 60%. The original price was $84
IceJOKER [234]

Answer:

$33.60

Step-by-step explanation:

First, we get 60 percent of 84. That is 50.40. Next, we do 84 minus 50.40, which is 33.60. Therefore, your answer is $33.60. Hope this helped!

4 0
2 years ago
Help please!! 10 points <3
tangare [24]

Answer:

x = 5

Step-by-step explanation:

15 / 3 =5

5 0
3 years ago
Read 2 more answers
A 100 rupee note was changed to 10 and 5 rupee notes, 15 notes in all. How many of each notes?​
san4es73 [151]

Answer:

Total number of notes is 11.

Step-by-step explanation:

Value is 100 rupees…

5x + 20y = 100 and x + y = 11 are the two equations.

We can simplify…

5x + 20 y - 5x - 5y = 100 - 55 = 45

15y = 45 so y = 3

x = 11 - y = 8

So, we have 8 notes of 5 rupees denomination and 3 notes of 20 rupees denomination.

I hope it helps you.

4 0
2 years ago
Read 2 more answers
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