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3 years ago

Please help me ill even give you free milk [insert milk here]please

Mathematics

1 answer:

Licemer1 [7]3 years ago

6 0

These all should be correct

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Find the range of values for which<br> x2 - 6x + 8 < 0

Alex73 [517]

Answer:

Step-by-step explanation:

Factor

x^2-6x+8<0

(x-2)(x-4)<0

For this to be less than zero the factors must have opposite signs.

x>2 and x<4

2<x<4

So x is all real numbers between 2 and 4 or in interval notation

x=(2,4)

5 0

3 years ago

If j = 10 cm and k = 12.5 cm what is the length of l

leonid [27]

Answer:

22.5

Step-by-step explanation:

3 0

3 years ago

prism M and pyramid n have the same base area and the same height. cylinder p and prism Q have the same height and the same base

Katen [24]

Answer:

The volume of cone z has the same base area as cylinder y but its height is 3 times the height of cylinder y have the same volume.

Step-by-step explanation:

The volume of a cylinder having base area 'A' and height 'H' is given by V = AH, and the volume of a cone having the same base area as the cylinder i.e. A and height 3 times the height of the cylinder i.e. 3H is given by $V' = \frac{1}{3} A(3H) = AH$ .

So, V = V'

Hence, the volume of cone z has the same base area as cylinder y but its height is 3 times the height of cylinder y have the same volume. (Answer)

6 0

3 years ago

determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution. x+y=5 2x-y=-

max2010maxim [7]

Answer:

(2/3, 13/3) (Exactly one solution)

Step-by-step explanation:

Write these equations in a column:

x+y=5

2x-y=-3

Note that we can eliminate y immediately by adding these two equations together. We get:

3x = 2, so that x = 2/3.

Substituting 2/3 for x in the first equation, we get:

2/3 + y = 5. Clear out fractions by multiplying all three terms by 3:

2 + 3y = 15, or 3y = 13. Then y = 13/3, and the solution is

(2/3, 13/3) There is exactly one solution.

7 0

3 years ago

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To determine customer satisfaction with their service department, an automobile dealer randomly selects 20 hybrid-vehicle owners

Brrunno [24]

Answer:

The answer is stratified.

Step-by-step explanation:

5 0

3 years ago

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