In some division problems, a number or pattern of number that continues indefinitely is a?

Answers

Answer 1
Answer: my guess would be a repeating decimal or an infinite decimal.


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5a - 3b if a=5 and b=7

Choices :
A. 40.1 meters
B. 12.3 meters
C. 19.2 meters
D. 47 meters

Answers

Answer:

25^2=16^2 +d^2

d^2=625-256

d=19.2

option C

A study to determine the sensitivity and specificity of a new test for macular degeneration is conducted on 2430 people. Macular degeneration occurs at a rate of 16.72%. Your sample has the same prevalence of macular degeneration. You find that 377 people with macular degeneration tested positive with the new test. You also have a total of 561 positive test results in your study. CALCULATE THE SPECIFICITY of this test.Question 2 options:

A)

83.29%

B)

98.45%

C)

92.86%

D)

67.20%

E)

90.91%

Answers

B and A are the answers I think

The recommended dietary allowance (RDA) of iron for adult females is 18 milligrams (mg) per day. The given iron intakes (mg) were obtained for 45 random adult females. At the 10% significance level, do the data suggest that adult females are, on average, getting less than the RDA of 18 mg of iron? Assume that the population standard deviation is 4.2 mg. Preliminary data analyses indicate that applying the z-test is reasonable. (Note: x bar equals=14.65 mg.)1. State the hypotheses for the​ one-mean z-test.
2. Compute the value of the test statistic. z=______
3. Determine the critical​ value(s).
4._________ the null hypothesis. At the 10​% significance​ level, the data____________sufficient evidence to conclude that adult females are ___________ the RDA of​ iron, on average.

Answers

Answer:

Step-by-step explanation:

Given that the recommended dietary allowance (RDA) of iron for adult females is 18 milligrams (mg) per day. The given iron intakes (mg) were obtained for 45 random adult females.

n =45\n\bar x = 14.65\n\sigma = 4.2\nstd error = (4.2)/(√(45) ) \n=0.6261

1) H_0: \bar x =18\nH_a: \bar x <18

(left tailed test at 10% sigl level)

Mean difference = -3.35

2) Test statistic Z = Mean difference/std error =-5.35

3) Critical values are -1.28

Since critical value is > test statistic accept H0

4) ___Fail to reject______ the null hypothesis. At the 10​% significance​ level, the data_____shows_______sufficient evidence to conclude that adult females are ____equal to 18 mg_______ the RDA of​ iron, on average.

Consider each equation and solution. Which solution is NOT correct?​

Answers

Answer:

D, or the last answer

Step-by-step explanation:

First, plugin the value of y into the equation, resulting in 12 - 2(-2) = 8.

Second, Simplify as much as you can on the left hand side of the equation, resulting in 12 - (-4), and because of the double negative rule, those two negatives become a plus. 16

Lastly, see if the two sides are equal or not equal. 16 is NOT equal to 8. That means D is your answer.

Assume sin t =.45 and sin w =.89 both t and w are postive and both t and w determne a terminal point in a quadrant 1. which of the following statements best describe the relationship between t and wa w>t
b t>w
C not possible to tell

Answers

The sine function is increasing in the first quadrant.
sin(0) = 0
sin(90) = 1

This means the larger angle will give a larger sine value.
sin(w) > sin(t) -----> w > t

Final answer:

Given the values sin(t) = 0.45 and sin(w) = 0.89, both for angles in the first quadrant, we can determine that the angle w is greater than the angle t. This is because in the first quadrant, the sine of an angle increases as the angle increases.

Explanation:

The sine of an angle in the unit circle, sin(t) or sin(w), is the y-coordinate of the point where the angle intersects the unit circle. The angles are in quadrant 1, where sine values are positive, as are the angles themselves. Given sin(t) = 0.45 and sin(w) = 0.89, we know that the sine of an angle increases as the angle increases within the first quadrant (from 0 to 90 degrees). Therefore, sin(w) > sin(t) implies that w > t.

Learn more about Trigonometry here:

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An elevator is on Level 3, which is 45.25 metersabove the ground. It travels to the basement
level, which is 10.42 meters underground.
What is the total distance, in meters, that the
elevator traveled?
Enter your answer as a decimal in the box.

Answers

Answer:

55.67 m

Step-by-step explanation:

You just add the two numbers to get the total distance traveled.