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3 years ago

Does anyone know what to do

Mathematics

1 answer:

klasskru [66]3 years ago

4 0

ok, we need to factor the expression

${y}^{5} - 2 {y}^{4} - cxy + 6x = {y}^{4} (y - 2) - x(cy - 6)$

since the expression divisible by y-2, then

$cy - 6 = k(y - 2)$

since 6=2k, then k=c=3

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I want to know the work of this, like the process. Please

pogonyaev

In this question, you know that the machine packs $\frac{2}{3}$ of a box every $\frac{1}{2}$ of a minute. Since it is constant, you simply have to double the half a minute to a full minute and then also double the rate to get $\frac{4}{3}$ boxes packed per minute. And $\frac{4}{3}$ is equal to $1\frac{1}{3}$

3 0

3 years ago

In a recent survey, 64 % of the community favored building a police substation in their neighborhood. If 14 citizens are chosen,

kozerog [31]

Answer: 0.1840

Step-by-step explanation:

The binomial probability formula :-

$P(X)=^nC_x\ p^x(1-p)^{n-x}$ , here n is the number total of trials , p is the probability of getting success in each trial and P(x) is the probability of getting success in x trial.

Given : The probability of the community favored building a police substation in their neighborhood = 0.64

If 14 citizens are chosen, then the probability that exactly 8 of them favor the building of the police substation will be :-

$P(8)={14}^C_{8}\ (0.64)^{8}(1-0.64)^{14-8}\\\\=\dfrac{14!}{8!6!}\times(0.64)^8(0.36)^{6}\\\\0.183996740126\approx0.1840$

Hence, the probability that exactly 8 of them favor the building of the police substation = 0.1840

5 0

3 years ago

Evaluate the function <br> f(8) + g(-1) for the functions f(x) = -2x + 9 and g(x) = x²-2

EastWind [94]

Answer:

- 8

Step-by-step explanation:

To evaluate f(8) substitute x = 8 into f(x)

f(8) = - 2(8) + 9 = - 16 + 9 = - 7

Similarly for g(- 1)

g(- 1) = (- 1)² - 2 = 1 - 2 = - 1

Then

f(8) + g(- 1) = - 7 + (- 1) = - 7 - 1 = - 8

7 0

3 years ago

A basketball player gets 2 free-throw shots when she is fouled by a player on the opposing team. She misses the first shot 40% o

Semenov [28]

This can easily be answered. Justg use the next formula like this:
<span>0.4*0.05 = 0.02
</span>So the probability would be of 2% of both shots
Hpe this is very useful

3 0

3 years ago

Read 2 more answers

The function g(x) = -2x + 3. Compare the slopes and y-intercepts. A. Both the slopes and the y-intercepts are different. B. Both

Brums [2.3K]

Answer:

both the slopes and the y intercepts are the same for both of these functions because if you look at the graph you will notice that the y intercept is positive 3 just the function and to get its slope just use the formula y2-y1/x2-x1 to get the slope of also a -2 so answer is b

5 0

2 years ago