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faltersainse [42]
3 years ago
5

Find the total number of four-digit numbers you can write using only digits that are even numbers?

Mathematics
1 answer:
vova2212 [387]3 years ago
6 0
We assume that you don't want to count numbers that start with 0, so there are 4 possible first digits and 5 possible digits in each of the remaining places.

4*5^3 = 500 . . . . total number of 4-digit numbers using only even digits

_____
The list of them would be ...
2000, 2002, 2004, 2006, 2008, 2020, ..., 8868, 8880, 8882, 8884, 8886, 8888
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Help Fast
horrorfan [7]

Answer:

6 square root of 2

Step-by-step explanation:

sin theta = opposite / hypotenuse

sin 45 = 6/x

Multiply by x

x sin 45 = 6

Divide by sin 45

x sin 45/ sin 45 = 6 / sin 45

x = 6/ sin 45

x = 6/ (1/sqrt(2))

x = 6 sqrt(2)

3 0
3 years ago
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Please help me i need an answer
prohojiy [21]
Let the number be n
Part A- 2/3  + n = 2n+3
Part B- n= 2/3 -3
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n= -7/3 =-2.33
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3 years ago
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What is the volume of a rectangular prism that has a length, width, and height of 1/2 m, 1/4 m, and 2/3 m, respectively?
Talja [164]
V = L * W * H
V = (1/2)(1/4)(2/3) 
V = (1 * 1 * 2) / (2 * 4 * 3)
V = 2/24 reduces to 1/12 m <===
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3 years ago
An engineering crew ran several tests on a new automobile engine they were designing. The mean fuel consumption was 52.4 miles p
zhenek [66]

Any value which is more than 2 standard deviations away from the mean is considered to be "unusual."  

2 standard deviations above the mean 52.4 mp would be 52.4+2(1.8), or 56; 2 std devs below the mean would be 52.4 - 2(1.8), or 48.8.  Thus, any value larger than 56 or any value smaller than 48.8 would be "unusual."

54.8, 49.1 and 51.3 are not unusual; 56.5 is unusual, because it's greaster than 56.

8 0
3 years ago
Camilla is 14 years old. She is<br> one-third of her teacher's age.<br> How old is her teacher?
Mamont248 [21]
Her teacher would be 42. you would take 14 * 3 and get the teachers age.
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