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Dafna1 [17]
3 years ago
14

WHOEVER GIVES THE BEST ANSWER WILL BE MARKED AS BRAILIEST!!!!!!!!!!

Mathematics
1 answer:
mojhsa [17]3 years ago
8 0

Answer:

Step-by-step explanation:

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An urn contains eight blue balls and seven yellow balls. if six balls are selected randomly without being​ replaced, what is the
Vlad1618 [11]

to be sure that 2 of them will be blue i have to select 7+2=9 balls
7+8=15 balls in the urn
P=9/15

to be sure that 4 of them will be yellow i have to select 8+4=12 balls
P=12/15


8 0
3 years ago
Can somebody pls answer these three questions pls!!!!ASAP
Y_Kistochka [10]

Answer:

1) x=1

2) x=6

3) x=3

Step-by-step explanation:

i just did them :) good luck

7 0
3 years ago
Please help asap I genuinely cannot figure this out
Gemiola [76]

Answer:

C

Step-by-step explanation:

We can use the factored form of the quadratic equation, given by:

y=a(x-p)(x-q)

Where <em>a</em> is the leading coefficient and <em>p</em> and <em>q</em> are the zeros.

We have zeros <em>x</em> = -2 and <em>x</em> = 3. So, let <em>p</em> = -2 and <em>q</em> = 3:

y=a(x+2)(x-3)

Next, we are given that our <em>y-</em>intercept is (0, -30).

In other words, when <em>x</em> = 0, <em>y</em> = -30. So:

-30=a(0+2)(0-3)

Solve for <em>a:</em>

<em />-30=-6a\Rightarrow a=5<em />

<em />

Hence, our factored equation is:

\displaystyle y=5(x+2)(x-3)

For the standard form, expand:

y=5(x^2-3x+2x-6)

Simplify:

y=5(x^2-x-6)

Distribute:

y=5x^2-5x-30

Our answer is C.

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3 years ago
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Jorge lives closer to the playground than Lynne.
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There are 7 days in 1 week. Some months consist of 30 days. How many weeks are there in 280 days.
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There are 40 weeks in 280 days
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