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Luba_88 [7]
3 years ago
6

· f(x) = 3x4 - 4x2 + 2

Mathematics
2 answers:
Alenkinab [10]3 years ago
8 0

Answer:

If the x is a multiplying sign then the answer is 6, but

if the x is the letter x then it will be x=4

NikAS [45]3 years ago
6 0

Answer:

theres 8

Step-by-step explanation:

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harina [27]
(2x-20)/3 = 2x start by multiplying both sides by 3
8 0
3 years ago
AB=A, B, equals Round your answer to the nearest hundredth.
suter [353]

Step-by-step explanation:

\sin(20 \degree)  =  \frac{3}{AB}  \\ AB =  \frac{3}{ \sin(20 \degree) }  \\ AB =  \frac{3}{0.342}  \\ AB = 8.77

7 0
3 years ago
A study dealing with health care issues plans to take a sample survey of 1500 Americans to estimate the mean dollar amount that
frutty [35]

Answer:

The population parameter of this study is the population mean.

Step-by-step explanation:

A population parameter is a numerical measure representing a certain characteristic of the population. For example, population mean, population variance, population proportion, and so on.

The population parameter is computed using all the values of the population.

The population parameter can be estimated using the sample statistic. If the value of the population parameter is not known, then a random sample of large size, say <em>n</em> ≥ 30 can be selected from the population and the statistic value can be computed. This statistic value is considered as the point estimate of the parameter. It is also known as the unbiased estimator of the parameter.

In this case the survey involved sampling of 1500 Americans to estimate the mean dollar amount that Americans spent on health care in the past year.

The sample selected is used to compute the sample mean dollar amount that Americans spent on health care.

So, the population parameter of this study is the population mean.

7 0
3 years ago
If 18 is subtracted from twice the square of an integer, the
Sergeu [11.5K]

Answer:

-3/2

Step-by-step explanation:

Let x = the integer:

2x^2 - 18 = 9x

2x^2 - 9x - 18 = 0

Now either factor that or use the quadratic formula if you're lazy like me.

x = -3/2 and 6, so x must be 6 because it has to be an integer.

5 0
3 years ago
Zachary created a garden that measured7 x 6.5 feet. How many 8-foot rolls of fencing will he need to completely surround the gar
lutik1710 [3]

Answer:

6 rolls

Step-by-step explanation:

7 × 6.5 is 45.5

45.5 ÷ 8 is 5.6875

5.6875≈6

So 6!

8 0
3 years ago
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