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2 years ago

Simplify 12x3 3 x . Exponents:

Mathematics

1 answer:

avanturin [10]2 years ago

8 0

Answer:

396

Step-by-step explanation:

12 × 33

396

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(5 pts) A quadratic function f is given by f(x) = ax2 + bx + c where a is not 0. Select all

Vsevolod [243]

Answers:

a) True. Plug in x = 0 and it leads to y = c. Therefore, the point (0,c) is on the parabola.
b) False. Plug in y = 0 and apply the quadratic formula. One x intercept may sometimes be x = c, but it could easily be other values as well. Or perhaps you may not get any real number solutions at all. See part d) below.
c) True. If a < 0, then the leading coefficient is negative. Overall, both endpoints will tend toward negative infinity to produce a parabola that opens downward.
d) False. The quadratic may have one x intercept or it may not have any x intercepts at all. It depends on what the discriminant d = b^2 - 4ac is equal to. If d < 0, then we have no x intercepts. If d = 0, then we have exactly 1 x intercept. If d > 0, then we have two different x intercepts.
e) True. The vertex's x coordinate is -b/(2a). If b = 0, then the x coordinate of the vertex is 0. The vertical line x = 0 is directly on top of the y axis.

8 0

3 years ago

If janie has 3045 apples and Lilly had 4599 apples what's the difference

marin [14]

Answer: 1554 apples

Step-by-step explanation: In order to find the distance you have to subtract the biggest number from the smallest number.

4599 - 3045 = 1554 apples

8 0

3 years ago

Use factoring to solve the quadratic equation. Check by substitution or by using a graphing utility and identifying x-intercepts

Allushta [10]

9514 1404 393

Answer:

x = -1/2, x = 7

Step-by-step explanation:

Written in standard form, the equation is ...

2x² -13x -7 = 0

We observe that factors of (2)(-7) that have a sum of -13 are -14 and +1. Rewriting the middle term using these numbers, we have ...

2x² -14x +x -7 = 0

2x(x -7) +1(x -7) = 0 . . . . . factor pairs of terms

(2x +1)(x -7) = 0 . . . . . . . . factored form

The solutions are the values of x that make these factors zero.

2x +1 = 0 ⇒ x = -1/2

x -7 = 0 ⇒ x = 7

The solutions to the quadratic are x = -1/2 and x = 7.

8 0

2 years ago

Artemon [7]

Answer:

In Martian Poker, the game is played with 8 cards drawn from a 52 card deck.

What is the probability of a Martian drawing “two trips and a pair". They get 2

three of a kinds and a pair.

8 0

2 years ago

555555555555 plzzz help

anastassius [24]

Answer: C

Because BD would be longer than AC

8 0

2 years ago