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vfiekz [6]
3 years ago
13

Find the mean for this set of data 8,3,12,15,7

Mathematics
1 answer:
nika2105 [10]3 years ago
3 0

Answer:

9

Step-by-step explanation:

If you add them all together and divide by how many numbers there are, you will get the answer.

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Find two numbers whose product is 80 and whose sum is 18
Amanda [17]

Let X & Y be the two integers

X+Y=18      Y = 18-X

XY = 80

We can substitute 18-X for Y in the equation XY = 80

X(18-X) = 80

Distributing

18X - X2 = 80

Subtract 80 from both sides so that the equation is equal to 0

-X2 + 18X - 80 = 0

Multiply (or divide by -1 so that the leading coefficient is positive, not negative)

X2 - 18X + 80 = 0

We can factor this quadratic

(X-10)(X-8) = 0

Setting each factor equal to 0 we can solve for X.

X-10 = 0       X-8 = 0

X = 10          X = 8

The two integers are 8 and 10.Answer:

Step-by-step explanation:

7 0
3 years ago
Jacque needs to buy some pizzas for a party at her office. She’s ordering from a restaurant that charges a $7.50 delivery fee an
Shalnov [3]

Lets answer the information by making it look like a budget subtraction:

60 = Total

1. Remove the delivery cost, so you can leave the rest of the budget for your pizzas.

60 - 7.50 = 52.50

2. Now, subtract the cost of pizzas multiple times until you reach it to where you dont have enough for another pizza.

52.50 - 14 = 38.50  Pizza 1

38.50 - 14 = 24.50  Pizza 2

24.50 - 14 = 10.50  Pizza 3

Now, theres not enough to buy another.

So, we know that Jacque can only afford 3 pizzas, but she need to calculate the number of slices.

3. Multiply the number of slices by the number of pizzas.

8 x 3 = 24

So, the largest number is 24 slices.

4 0
4 years ago
Write the fraction as a decimal 1/2​
torisob [31]
1.2 is it as a decimal or 0.5
7 0
3 years ago
Read 2 more answers
What is the answer to this problem?<br> 8x-1=5x-1+3x
Maksim231197 [3]
U wouldn’t have a answer because it would be ( 0=0 )
8 0
4 years ago
What is the value of {8 +3 (14 – 6) – 18) ?
Alexeev081 [22]

Answer:

Step-by-step explanation:

3 0
3 years ago
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