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mars1129 [50]
3 years ago
8

If a car travels 400m in 20 seconds how fast is it going

Mathematics
1 answer:
Burka [1]3 years ago
5 0

Answer:

20 m/s

Step-by-step explanation:

Distance = rate * time

400 m = rate * 20 seconds

Divide each side by 20 seconds

400m/ 20 seconds = rate

20 m/second = rate

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If i roll 2 dice what is the probability that neither of them are prime nor even?
Eduardwww [97]

Answer:

There are 3 prime numbers shown on the die: 2, 3 and 5. The probability of showing a prime number on a single die is 1/2, hence the probability of not showing a prime number is also 1/2. Total possible outcomes when two dice are rolled = 6*6 = 36. Total possible outcomes when two dice are rolled = 6*6 = 36.

4 0
3 years ago
You have conducted a survey on a number of households and found out how many pets they owned brainly
eduard

Answer:

Using tally marks

Step-by-step explanation:

Missing information;

Number of pets are;

3,0,1,4,4,1,2,0,2,2,0,2,0,1,3,1,2,1,1,3

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Ungroups frequency distribution table

Computation:

<u>Number of pets    Tally     Frequency</u>

0                              IIII             4

1                               IIIII I           6

2                              IIIII              5

3                              III               3

4                              II                 2

4 0
3 years ago
Couldn't write it out so i took a pic of it
olasank [31]

Answer:

4th is the answer

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Suppose you want to have $800,000 for retirement in 20 years. Your account earns 8% interest. How much would you need to deposit
natulia [17]

Answer:

$40,000

Step-by-step explanation:

this the workings above

7 0
3 years ago
How √225 and √223 are different by their nature ??
denis23 [38]
Here, we know, √225 = 25 (perfect squared)
whereas √223 is not a perfect squared.

So, √225 would be "Rational" whereas √223 would be "Irrational" by the nature.

Hope this helps!
5 0
3 years ago
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