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ollegr [7]
3 years ago
11

Derek must choose a four digit PIN number. Each digit can be chosen from 0-9. How many different pins can Derek choose?

Mathematics
2 answers:
ddd [48]3 years ago
7 0
10,000 different combos
Setler [38]3 years ago
5 0

how many he wants

i wouldve put them all but thats to much

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Solve for<br> x: 5x-2x=7x+2x-24
NemiM [27]
5x-2x=7x+2x-24
3x = 9x -24
3x - 9x = -24
-6x = -24
   x = -24/-6
   x = 4
4 0
3 years ago
During summer vacation, Tori read, on average, 40 pages per night. Now that she has returned to school, she is averaging 5% fewe
STatiana [176]

Answer: 38 pages per night

Step-by-step explanation:

Tori used to read an average of 40 pages per night but now she is going at a rate that is 5% slower.

To find the number of pages she is reading now, first find 5% of 40 pages:

= 5% * 40

= 2

Then subtract this figure from 40:

= 40 - 2

= 38 pages per night

<em>By deducting 5% from the reading quantity, the person is reading at 5% less. </em>

8 0
2 years ago
A membership to the gym costs $25 per person in 1995. The membership cost has increased by an average of $6 per person for each
inysia [295]

Answer:

The cost of a gym membership would be 109

Step-by-step explanation:

2009-1995=14

thats how many years apart from each other

so its been 14 years $6 for each year so 14x6=84

so the regular price was $25 and went up 84 dollars last 14 years.

25+84=109 so the price of gym membership would be $109

6 0
3 years ago
The surface area of a cone is 43.75 cm2 what is the slant height of the cone ? The base diameter is 5
kramer
<span>The first step in finding the surface area of a cone is to measure the radius of the circle part of the cone. The next step is to find the area of the circle, or base. The area of a circle is 3.14 times the radius squared (<span>πr2</span><span>). Now, you will need to find the area of the cone itself. In order to do this, you must measure the side (slant height) of the cone. Make sure you use the same form of measurement as the radius.

You can now use the measurement of the side to find the area of the cone. The formula for the area of a cone is 3.14 times the radius times the side (</span>πrl<span>).

So the surface area of the cone equals the area of the circle plus the area of the cone and the final formula is given by:</span>

<span>SA = πr2<span> + πrl</span></span><span><span>
</span></span></span>


5 0
3 years ago
The set of x-values for a relation is also called the ? ( domaing or range )
sukhopar [10]

the set of x values are called the domain and the corresponding values of y the range

7 0
3 years ago
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