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3 years ago

7

Each letter of the word BANANA is written on a card. Find each probability if you pick two cards without replacing the first. As

sume that you get the letter you want when you draw.
4. P (B and then A)

5. P (N and then N)

6. P (B and then a B

1 answer:

julsineya [31]3 years ago

8 0

Answer:

5

Step-by-step explanation:

There answer would be 5

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For the trinomial 3x^2 + 22x + 7, choose two numbers whose product is 21 and whose sum is 22

Lesechka [4]

Answer:

When a trinomial is in the form of ax2 + bx + c, where a is a coefficient other than 1, look first for common factors for all three terms. Factor out the common factor first, then factor the remaining simpler trinomial. If the remaining trinomial is still of the form ax2 + bx + c, find two integers, r and s, whose sum is b and whose product is ac.

Step-by-step explanation:

7 0

3 years ago

Which relations are functions?

rewona [7]

Answer:

{(2,4), (-1, 7), (3,0), (5,4)}

{(-6, 1), (0, 1), (2, 1), (3, 1)}

{(-3, -3), (-1, 6), (4, 5), (5, 4)}

Step-by-step explanation:

For a relation to be a function, the same x-value can't have multiple y-values.

For this reason, this relation is not a function:

{(-4,0), (-4,8), (-1, 3), (2,9)}

And these are functions:

{(2,4), (-1, 7), (3,0), (5,4)}

{(-6, 1), (0, 1), (2, 1), (3, 1)}

{(-3, -3), (-1, 6), (4, 5), (5, 4)}

5 0

3 years ago

Almost finished then onto final to ace it :D

maxonik [38]

Degree is exponent, so 5th degree

difference of 2 perfect squares
a^2-b^2=(a-b)(a+b)
t^2-5^2=(t-5)(t+5)
2nd one

complete square
take 1/2 of linear coefient and square it
-6/2=-3, (-3)^2=9
add that to both sides
x^2-6x+9=-8+9
x^2-6x+9=1
factor
(x-3)^2=1
sqrt
take neg and pos root
x-3=+/-1
add 3
x=3+/-1
x=3+1 or x=3-1
x=4 or 2
3rd option

3 0

3 years ago

Which points are plotted correctly on their accompanying number line? Check all that apply. Point: Negative StartFraction 7 Over

weqwewe [10]

Answer:the answer to this question is 4

Step-by-step explanation: becuse idk im just trying to gain points sorry

4 0

3 years ago

(1) The roots of 3x - 5 = 7 is x = 4

aivan3 [116]

Answer:

it's right

Step-by-step explanation:

3x - 5 = 7

3x = 7 + 5

3x = 12

x = 12/3

x = 4

6 0

4 years ago