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Ksenya-84 [330]
3 years ago
10

A cheese pizza costs $5. Additional toppings cost $1.50 each. Write and graph an equation in two variables that represents the t

otal cost of a pizza. Let tt represent the number of toppings and c represent the total cost of the pizza. An equation in two variables that represents the total cost of a pizza is c=____
Mathematics
1 answer:
aivan3 [116]3 years ago
5 0
$6.50 I guess, because I added $5 and $1.50 and got $6.50
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The only contents of a container are 10 disks that are each numbered with a different positive integer from 1 through 10, inclus
allsm [11]

First we calculate for the total number of possibilities (permutation) to select 4 disks from the container:

Total number of possibilities = 10 * 9 * 8 * 7

Total number of possibilities = 5040

<span>
Now let us find the 4 disks that will result in a range of 7. </span>

Range = highest number – lowest number

The pair of highest and lowest number that will result in range of 7 is: (1 & 8), (2 & 9), (3 & 10)

 

As a basis of calculation, let us use the pair 1 & 8.

There are four possible ways to select 1 and three for 8.

Arrangements of maximum and minimum pair = 4 * 3

Arrangements of maximum and minimum pair=12

Now we need to calculate for the remaining 2 disk. There are 6 numbers between 1 & 8. The total possibilities for selecting 2 disk from the remaining 6 is:

Possibilities of selecting 2 disk from remaining 6 = 6 * 5

Possibilities of selecting 2 disk from remaining 6 = 30

Therefore, the total possibility to get a range of 7 from a pair of 1 & 8 is:

Total possibility for a pair = 12 * 30

Total possibility for a pair = 360

 

Since there are a total of three pairs (1 & 8), (2 & 9), (3 & 10):

Total possibilities of the 3 pairs = 360 * 3

Total possibilities of the 3 pairs = 1080

 

Therefore:

Probability = Total possibilities of the 3 pairs / Total number of possibilities

<span>Probability = 1080 / 5040 = 3 / 14                      (FINAL ANSWER)</span>

6 0
3 years ago
Need answers for this homework. plz help due to tomorrow
KIM [24]
2a) 30
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Answer:worked 7 hours

Step-by-step explanation:

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3 years ago
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Paha777 [63]
I’m not 100% sure but isn’t it x2 +xy +y2?
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3 years ago
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Sam is using the expression 8mn in class. What is the value of the expression when m = 4 a n d n = 12 ?
goldfiish [28.3K]

Answer:

8 x 4 x 12 = 384

Step-by-step explanation:

8 x 4 x 12 = 384

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3 years ago
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