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gladu [14]
3 years ago
7

I need help with answering this equation

Mathematics
2 answers:
jonny [76]3 years ago
5 0

Answer:

3x^3-15x^2-27x

Step-by-step explanation:

the function f (gx) means you have to substitute the function of gx in the function of fx were there's x

3x(x^2-5x-9)

3x^3-15x^2-27x

I hope this helps

Sloan [31]3 years ago
3 0

Answer:

in this case it is just multiplying the two items together

the THIRD CHOICE...

3x(x^2-5x-9)

3x^3 -15x^2 -27x

Step-by-step explanation:

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A school bus can carry 66 pupils. how many pupils can ride on 12 such buses
denis-greek [22]
66x12=792 pupils can ride on 12 buses
4 0
3 years ago
In a 3M Privacy Filters poll, 806 adults were asked to identify their favorite seat when they fly, and 492 of them chose a windo
Snowcat [4.5K]

Answer:

Step-by-step explanation:

If majority of adults prefer a window seat when they fly, it means that more than half or more than 0.5 of the population prefer a window seat when they fly.

We would set up the hypothesis test.

For the null hypothesis,

p = 0.45

For the alternative hypothesis,

p > 0.5

Considering the population proportion, probability of success, p = 0.5

q = probability of failure = 1 - p

q = 1 - 0.5 = 0.5

Considering the sample,

Sample proportion, P = x/n

Where

x = number of success = 492

n = number of samples = 806

P = 492/806 = 0.61

We would determine the test statistic which is the z score

z = (P - p)/√pq/n

z = (0.61 - 0.5)/√(0.5 × 0.5)/806 = 6.24

From the normal distribution table, the p value < 0.00001

Since alpha, 0.01 < than the p value, then we would reject the null hypothesis. Therefore, at a 1% significance level, we can conclude that the majority of adults prefer a window seat when they fly.

8 0
3 years ago
1. Vinay applied the distributive property to the equation -5(m - 2) - 25. His equation then became --5m + 10 = -125. Did he app
Ahat [919]

Answer:

  • C. No. Vinay also multiplied the right-hand side of the equation by --5, which is incorrect.

Step-by-step explanation:

<u>Proper application of the property:</u>

  • - 5(m - 2) - 25 = -5m - 5(-2) - 25 = -5m + 10 - 25 = -5m - 15

Vinay multiplied 5 and 25 as well, which is incorrect.

Correct answer choice is C.

8 0
3 years ago
Order 0.709, 0.710, 0.79, and 0.079 from smallest to largest.
TEA [102]
0.079, 0.709, 0.710, 0.79


You will have to look at the placement of each digit.

In this case, after the decimal point:
tenths is the largest (the number directly to the right of the decimal point)
hundredths is next (the number directly to the right of the tenths place)
thousands is the smallest (in this case, next to the hundreds place)

hope this helps
3 0
3 years ago
Read 2 more answers
2. Which expression is equivalent to 2x2 + (4x - 6x2)+9 - (6x + 3)?
frez [133]
The answer is g you just have to combine the Like terms
8 0
3 years ago
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