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3 years ago

2 of 6

Mathematics

1 answer:

liubo4ka [24]3 years ago

6 0

Answer:

the probality of getting 11 is 1/12

Step-by-step explanation:

each dice has 6 numbers and there's 2 dices so, 6x2 is 12,so its a 1/12 chance to get a 11 out of 12

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What is an equation of the line that passes through the point (3, -8) and has slope –2?

Tanzania [10]

Answer:

y = -2x-14

Step-by-step explanation:

5 0

3 years ago

What is the equation of the exponential curve that passes through the points (0,3) and (5,96)

Alja [10]

Answer:

93/5

Step-by-step explanation:

So bassicaly you would put m= 9/35

4 0

3 years ago

Multiply

Cloud [144]

Answer:

12 x^4 + 18 x^3 - 9 x^2 thus D is the correct answer.

Step-by-step explanation:

Expand the following:

3 x^2 (4 x^2 + 6 x - 3)

3 x^2 (4 x^2 + 6 x - 3) = 3 x^2 (4 x^2) + 3 x^2 (6 x) + 3 x^2 (-3):

3 4 x^2 x^2 + 3 6 x^2 x - 3 3 x^2

3 (-3) = -9:

3 4 x^2 x^2 + 3 6 x^2 x + -9 x^2

3 x^2×6 x = 3 x^(2 + 1)×6:

3 4 x^2 x^2 + 3×6 x^(2 + 1) - 9 x^2

2 + 1 = 3:

3 4 x^2 x^2 + 3 6 x^3 - 9 x^2

3×6 = 18:

3 4 x^2 x^2 + 18 x^3 - 9 x^2

3 x^2×4 x^2 = 3 x^4×4:

3×4 x^4 + 18 x^3 - 9 x^2

3×4 = 12:

Answer: 12 x^4 + 18 x^3 - 9 x^2

6 0

3 years ago

461 tickets were sold. Students paid $3.50 each while non-students paid $5.50 each. If a total of $1867.50 was collected, how ma

Bess [88]

Answer:

The number of students attended was 334 and the number of non students attended was 127

Step-by-step explanation:

Let

x ----> the number students attended

y ----> the number of non students attended

we know that

$x+y=461$ ----> equation A

$3.50x+5.50y=1,867.50$ ----> equation B

Solve the system of equations by graphing

Remember that the solution is the intersection point both graphs

The solution is the point (334,127)

see the attached figure

therefore

The number of students attended was 334 and the number of non students attended was 127

8 0

4 years ago

The midpoint of AB is M(3, 3). If the coordinates of A are (2, -1), what are the

Vika [28.1K]

Step-by-step explanation:

Hey there!!

It's so simple.

While finding the coordinates of any point if the midpoint is there it will be much easier. You must remember the midpoint formulae.

Let's simply work with it.

Here, A (2,-1) and midpoint M(3,3) are given.

Let another coordinate be B(x,y).

By midpoint formulae,

$midpoint(x.y) = \frac{x1 + x2}{2} ,\frac{y1 + y2}{2}$

Putting their values,

$m(3 , 3) = \frac{2 + x}{2} , \frac{ - 1 + y}{2}$

As they are equal, equating with their corresponding elements we get,

$3 = \frac{2 + x}{2}$

6= 2 + x

x = 6-2

Therefore, the value of a is 4.

Again,

$3 = \frac{ - 1 + y}{2}$

6 = -1 + y

Therefore, the value of y is 7.

Therefore, the coordinates are B (4,7)

Hope it helps....

7 0

3 years ago

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