Please help asap 25 pts + brainliest to righ/best answer!! (=

Mathematics

2 answers:

Lady bird [3.3K]3 years ago

7 0

Answer:

Step-by-step explanation:

A linear term a variable to the power of one. but there is none of those so theres is no linear term. A quadratic term is a variable to the power of 2, there is one of those so our quadratic term is x^2. A constant term is a term with no variable, thats -7. Our answer is A.

quester [9]3 years ago

6 0

Answer:

The answer is A.

Step-by-step explanation:

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Superman needs to save Lois from the clutches of Lex Luthor. After flying for 6 seconds, he is 2430 meters from her. Then at 12

gayaneshka [121]

Answer:

2700.

Step-by-step explanation:

The total distance would be 2700.

Distance traveled between in 6th second and 12th second is 2430-2160=270 meter. That means Superman covered 270 meter in 6 seconds.

So, now if he is moving at the same speed, he should cover the same distance in first 6 seconds which is 270 meter.

Suppose the whole distance is X when time is 0, and after flying for 6 seconds he now is 2430 meter away. It means that he must have covered the distance of X-2430=270.

Finding for X, we gets the full initial distance, when time was 0.

The simple trick is, once we get the distance he has covered in 6 seconds, we can form the equation like subtracting the whole distance- remaining distance equals to covered distance.

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3 years ago

A male elephant weighs 6,728 pounds. A female

murzikaleks [220]

First, u need to add 6,728 and 5,843 together which is 12,571 then u need to find the nearest hundred which is the 5 hope that helped!

6 0

3 years ago

Read 2 more answers

Of 585 samples of seafood purchased from various kinds of food stores in different regions of a country and genetically compared

Dafna1 [17]

Answer:

a) The 99% confidence interval is from 14.8% to 23.2%.

b) The confidence interval tells us that the true proportion of mislabeled is within 14.8% and 23.2%, with a 99% confidence. In other words, if we take samples of the same size, 99% of the samples will have a proportion within 0.148 and 0.232.

c) The confidence interval calculation take into account the sample size, so the width (or precision) of the interval depends on the sample size.

The only criticism that could be analyzed is to see if the sample is representative of the population.

Step-by-step explanation:

a) We have to calculate a 99% confidence interval for the proportion.

The sample proportion is p=0.19.

The standard error of the proportion is:

$\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.19*0.81}{585}}\\\\\\ \sigma_p=\sqrt{0.000263}=0.016$