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Blababa [14]
3 years ago
15

Using intervals of width 10, how many intervals

Mathematics
1 answer:
sergey [27]3 years ago
6 0

Answer:

Step-by-step explanation:

The answer is 25 or more so basically it’s answer choice D

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T. Gibbs has $250in a bank account and he plans to ad $15 a week. How many weeks will it take for him to save $400
saw5 [17]

Answer: 10 weeks

Step-by-step explanation: the first step is to subtract

400-250=150.

So he needs to save $150 to make $400.

Divide $150/$15 =10.

It means he has 10 weeks more to save for $150 to make $400.

Therefore the final answer is 10 weeks

6 0
4 years ago
Read 2 more answers
Evaluate the expression for the given value of the variable: <br> PLEASE HELP
Shalnov [3]

Answer:

The question is wether for the first positive value we consider (-4)×(-2) or -4×(-2)

5 0
4 years ago
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a bookshelf holds 43 books on each shelf is the total number of books proportional to the number of shelves in the bookshelf
Mama L [17]
If every shelf has the same amount of books, then it can be seen as proportional because one shelf has 43 and 2 have 86, and it keeps going up in a consistent way. 
so 43/1 = 86/2 .
Happy studying ^-^
7 0
4 years ago
Read 2 more answers
How many different 7-digit number plates can be made if the first 2 digits are letters and the last 5 digits are numbers, for ex
saw5 [17]

Answer:

We can use seven letters and numbers.

I am assuming that any numeral in the range 0..9 or any letter from the English alphabet A..Z can appear in any position, with no blank spaces allowed and no restrictions on repetition. I am also assuming that plates with fewer than seven letters and numbers are not allowed.

So, for example A879BX8 is acceptable, so are 5555555 and ABCDEFG, but not A.123.ZX or…..7A, where the dot represents a space.

I am also assuming that you can only use upper case letters.

With these restrictions, there are 36 possibilities for each space and the total number of valid number plates would be 36^7 = 78,364,164,096, let's say about 78 billion.

It is estimated that there are about 1.3 billion cars, trucks and buses in the road today. This number plate system therefore allows more than enough unique license plates. I'd even hazard a guess that it might be more than enough for every road vehicle that has ever been built or ever will be.

In practice there would be other restrictions, for example only letters in some positions and only numbers in others. There'd still be plenty to go around.

Step-by-step explanation:

5 0
3 years ago
How many seconds are in 6 hours? and in 2 days? Explain please?
BartSMP [9]
There are 3600 seconds in an hour.

3600x6 = seconds in 6 hours.
= 21,600 seconds.

48 hours in a 2 days. 3600 seconds each hour.

48x3600= 172,800 seconds.
8 0
4 years ago
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