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soldier1979 [14.2K]
3 years ago
11

Create a fourth-degree polynomial in standard form

Mathematics
1 answer:
cupoosta [38]3 years ago
7 0
X^4+3x^3-2x^2-5x+8 can be one example
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HELP PLSS I DONT WANNA FAIL
posledela

Answer: 1/2 and 3/6

Explanation: 1/2 is equal to 3/6 because if you divide both 3 and 6 by 2 it’s 1/2

Not sure about 4

3 0
2 years ago
Ryan drinks 1 1/2 liters of water every 3/4 of an hour at a constant rate.
Bas_tet [7]
22 Liter Ryan drinks 22 liters
3 0
3 years ago
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jack paid $64 for two algebra and three geometry books. he paid $66 for three algebra and two geometry books. what is the cost o
kap26 [50]
Lets make the cost of the algebra textbook = x and the cost of the geometry book = y

2x+3y=64
4x+2y=66

now we get one of these equations in terms of one variable

2x+3y=64 ---> 2x=64-3y ---> x=32-1.5y

now we can plug that numeric value back into the other equation

4(32-1.5y)+2y=66

we can now simplify this equation in order to get the value of y

4(32-1.5y)+2y=66 ---> 128-6y+2y=66 ---> 128-4y=66 ---> -4y=-64 ---> y=16
4 0
3 years ago
A person read that the average number of hours an adult sleeps on Friday night to Saturday morning was 7.2 hours. The
Elan Coil [88]

Calculate the value of z and its probability, since with this we can know how likely it is that this will happen.

We have that the mean (m) is equal to 8.3, the standard deviation (sd) 1.2 and the sample size (n) = 15

They ask us for P (x =7.2)

For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / (sd / (n ^ 1/2))

We have all these values, replacing we have:

z = (7.2 - 8.3) / (1.2 / (15 ^ (1/2))

z = -3.55

With the normal distribution table (attached), we have that at that value the approximate probability is:

P (z = -3.55) = 0.0001

The probability is 0.01 %

This affirms that the students do not sleep what the study says because the probability of this happening according to the survey is almost nil.

7 0
3 years ago
Estimate the percent using decimals.<br> 48% of 400
Alecsey [184]

Step-by-step explanation:

getcalc.com's fraction to decimal calculator to find what's an equivalent decimal for the fractional number 48/400.

50/400 0.125 12.5%

49/400 0.1225 12.25%

48/400 0.12 12%

47/400 0.1175 11.75%

3 0
3 years ago
Read 2 more answers
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