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egoroff_w [7]
4 years ago
13

Please help me with these questions

Mathematics
1 answer:
Katarina [22]4 years ago
3 0

Answer:


I can only do 1 but I hope it helps.


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A library labels each book with a six-character code to identify the book in its computer system. The first character is either
mote1985 [20]

Answer: There are 24336000 different codes that are possible.

Step-by-step explanation:

We know that,

Total alphabets = 26

Total digits = 10

Choices for First place = 26+10=36

Choices for next 3 places = 10 x 10 x 10 = 1000

Choices for last 2 places = 26 x 26 = 676

Total different codes are possible = 36 x 1000 x 676

=24336000

Hence, there are 24336000 different codes that are possible.

4 0
3 years ago
Use the summation formula to find a partial sum of a series with the following properties
Otrada [13]

Answer:

-36,047.

Step-by-step explanation:

Sum of n terms =  a1 .( r^n - 1) / (r - 1)

So Sum of 7 terms =  -11 . ((-4)^7 - 1 / (-4-1)

= -11 *  -16,385 / -5

= -36,047.

4 0
3 years ago
I needs the helps my dudes and dudets​
Luden [163]

10) 18/6 is less than or EQUAL TO 3 therefore there are 18 possible number of fruit snacks in the bag

3 0
3 years ago
Read 2 more answers
How do I do it, please help.If you do help explain it clearly for me
likoan [24]
First we set up a proportion:

\frac{3}{4} =  \frac{27}{x}

Now we solve the proportion:

• 27*4 = 108

• 3*x = 4x

• 3x = 108

We solve for X by dividing 3 on both sides:

• 3x/3 = x
<span>• 108/3= 36 
</span>
Our answer: 

x = 36

There were 36 boys in the club.

4 0
4 years ago
Joel made muffins, he gave 1/4 to his neighbor and 3/8 to his school how may muffins were left
jolli1 [7]
When you're adding fractions with two different denominators, the best thing to do is to find a common denominator;
In this case, 4 and 8 are both multiples of 8, and therefore, you've got to double the first fraction.
Doubling the first fraction gives you 2/8 and 3/8. You've then got to add these together, and this gives you 5/8 (as you only add the numerators)
As you're looking for what is left, you have to do 8/8- 5/8 (once again, only subtracting the numerators)
8/8- 5/8= 3/8
Therefore, 3/8 of the muffins are left.
Hope this helps :) 
7 0
3 years ago
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