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joja [24]
2 years ago
15

Find the range of the data set 7,510,9,15,12,6,9,7,10

Mathematics
2 answers:
jenyasd209 [6]2 years ago
6 0

Answer:highest take lowest,15-5=10

The range is 10.

Step-by-step explanation:

Blizzard [7]2 years ago
3 0

Answer: 10

Step-by-step explanation:

So to find range you take the highest number and subtract it by the lowest

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Alexandra purchases two donuts and three cookies at the donut shop and it's charged $3.30. Brianna purchases five donuts and two
Amiraneli [1.4K]

Given:

Cost of two donuts and three cookies = $3.30

Cost of five donuts and two cookies = $4.95

To find:

The cost of each donut.

Solution:

Let x be the cost of each donut and y be the cost of each cookie.

Cost of two donuts and three cookies = $3.30

2x+3y=3.30          ...(i)

Cost of five donuts and two cookies = $4.95

5x+2y=4.95          ...(ii)

Multiply equation (i) by 2.

4x+6y=6.60          ...(iii)

Multiply equation (ii) by 3.

15x+6y=14.85      ...(iv)

Subtracting (iii) from (iv), we get

15x+6y-4x-6y=14.85-6.60

11x=8.25

Divide both sides by 11.

x=\dfrac{8.25}{11}

x=0.75

Therefore, the cost of each donut is $0.75.

7 0
2 years ago
3x+y=15 <br> 3x-y=15 (using elimination method)
morpeh [17]

Answer:

x = 5

y = 0

Step-by-step explanation:

3x + y = 15

3x -y = 15

Add the two equations;

6x = 30

Inverse operations;

6x = 30

/6        /6

x = 5

Back substitute;

3(5) + y = 15

15 + y = 15

y = 0

5 0
3 years ago
Read 2 more answers
What is the intermediate step in the form (x+a)2 = b as a result of completing the square for the following x^2+16x-145=10x-7
Lorico [155]

Answer:

(x+3)^2=147

Step-by-step explanation:

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2 years ago
What is the equationof the line that passes through (0,3) and (7,0)
bekas [8.4K]
Answer:

y = - 3/7x + 3

Step-by-step explanation:

First find the slope

Second find the y-intercept (already given by one of the points)

Third write it in slope-intercept form
6 0
2 years ago
I need help again lol its meee
grigory [225]
6m² + 7m should be the answer
6 0
9 months ago
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