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Olin [163]
3 years ago
8

Algebra 1

Mathematics
1 answer:
sleet_krkn [62]3 years ago
7 0

Answer:

i think the answer is -7/s

Step-by-step explanation:

Let's solve for n.

(−1s)(n)+12<19

Step 1: Add -12 to both sides.

−ns+12+−12<19+−12

−ns<7

Step 2: Divide both sides by -s.

−ns

−s

<

7

−s

n>

−7

s

Answer:

n>

−7

s

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ou find a deck of cards and know that the deck has too many clubs and spades in it. The deck has 59 cards. If you were to draw t
sashaice [31]
We can find the number of extra clubs in the deck from the given probability, since the probability of drawing a diamond and a club is

\dfrac{\binom{13}1\binom{13+c}1}{\binom{59}2}=\dfrac{13(13+c)}{1711}

but this would imply that c=-4, which suggests we're taking 4 clubs out of the original deck and contradicts the problem statement that there are "too many clubs".

Perhaps the question is providing the probability of drawing a diamond, THEN a club, or vice versa. In that case, we have

\dfrac{\binom{13}1}{\binom{59}1}\cdot\dfrac{\binom{13+c}1}{\binom{58}1}=\dfrac{13(13+c)}{3422}

and solving gives c=5, which makes more sense. Then the number of extra spades in the deck must be 2.
7 0
3 years ago
On a final exam, each multiple-choice question is worth 4 points and each word problem is worth 8 points. Lorenzo needs
Elena-2011 [213]

Answer:

4x + 8y = 50 or 4x + 8y > 50

Step-by-step explanation:

To find which equation show the exact answer, Becasue he need at least 50 poitns to have a B, so:

4x + 8y must larger or equal to 50

In these choice, some I can't figure out what it means but the correct answer for this is:

4x + 8y = 50 or 4x + 8y > 50

Hope this help you :3

7 0
4 years ago
Read 2 more answers
What is the average rate of change of the function over the interval x = 0 to x = 8?
notsponge [240]
To find the average rate of change, use the following formula:

\frac{f(b) - f(a)}{b-a}

a and b represent the values of the interval:

a = 0, b = 8

Simplify the original equation by combining like terms:

2x - 13x = -11x
f(x) = -11x + 5

Plug the interval values into the f(x) equation:

f(0) = -11(0) + 5 = 0 + 5 = 5
f(8) = -11(8) + 5 = -88 + 5 = -83

Plug in these values into the average rate of change formula:

\frac{-83 - 5}{8 - 0} =  \frac{-88}{8} = -11

The average rate of change over this interval is -11.
4 0
3 years ago
Read 2 more answers
Write the expression as a product of polynomials:
Sonja [21]
(b+c)(x+3)
I hope this is true
3 0
3 years ago
5/6 - 2/3 divide by 4/5
ollegr [7]

Answer:

5/24

Step-by-step explanation:

Start with the first part of the probelm 5/6 - 2/3

You need to find a common denominator of 6 and 3

common denominator= 6

so change 2/3 to 4/6

now you can subtract the top values

5/6-4/6

5-6=1

keep the denominator the same

= 1/6

Now divide 1/6  by 4/5

to divide you are going to multiply by the reciprocal so instead of 4/5 we are going to flip it to 5/4

1/6 x 5/4

5x1=5 and 6x4=24

= 5/24

8 0
3 years ago
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