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dexar [7]
3 years ago
10

The MAD for the fall data is 2.8 cookies. The MAD for the spring data is 2.6 cookies. Express the difference in means as a multi

ple of the larger MAD.
(The mean for the spring is 24 and the mean for the fall is 23.)​

Mathematics
1 answer:
Ket [755]3 years ago
3 0

Answer:

1.2

sorry if its not the right problem

Step-by-step explanation:

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You deposit $7200 in an account that pays 9.3% interest compounded yearly. Find the balance after 9 years.
inysia [295]

Answer:

c

Step-by-step explanation:

6 0
2 years ago
X+y+z=1
andrezito [222]

Answer: x = 0

y = 2

z = -1

Step-by-step explanation:

The system of equations are

x+y+z=1 - - - - - - - - - - 1

-2x+4y+6z=2 - - - - - - - - - 2

-x+3y-5z=11 - - - - - - - - - 3

Step 1

We would eliminate x by adding equation 1 to equation 3. It becomes

4y -4z = 12 - - - - - - - - - 4

Step 2

We would multiply equation 1 by 2. It becomes

2x + 2y + 2z = 2 - - - - - - - - - 5

We would add equation 2 and equation 5. It becomes

6y + 8z = 4 - - - - - - - - - 6

Step 3

We would multiply equation 4 by 6 and equation 6 by 4. It becomes

24y - 24z = 72 - - - - - - - - 7

24y + 32z = 16 - - - - - - - - 8

We would subtract equation 8 from equation 7. It becomes

-56z = 56

z = -56/56 = -1

Substituting z = -1 into 7, it becomes

24y - 24×-1 = 72

24y + 24 = 72

24y = 72 - 24 = 48

y = 48/24 = 2

Substituting y = 2 and z = -1 into equation 1, it becomes

x + 2 - 1 = 1

x = 1 - 1 = 0

4 0
3 years ago
Marley had $495.66 in her bank account after she paid her monthly bills. She took her sister out to lunch, and paid $38.90. How
SOVA2 [1]

Answer: the answer is $456.76

Step-by-step explanation: All you have to do is subtract 38.90 from 495.66 and get your answer

5 0
2 years ago
The buying price is $10 and the markup is 80% of the buying price what is the markup?
KATRIN_1 [288]
$10 * .8 = $8 that's it
8 0
2 years ago
Find the equation of a line perpendicular to 4x−y=2 that contains the point (4,−2). Write the equation in slope-intercept form.
attashe74 [19]

Step-by-step explanation:

4x -y =2

-y = -4x + 2

y = 4x -2

slope = 4

perpendicular slope is negative inverse

so -1/4

y- -2 = -1/4(x - 4)

y+2 = -1/4x +1

y = -1/4x -1

5 0
2 years ago
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