Answer:

Answer:

The probability is 0.02275

Step-by-step explanation:

We shall first find the z-score here

z-score = (x -mean)/SD

from the question;

x = 4,000

mean = 3,000

SD = 500

z-score = (4,000-3,000)/500 = 1000/500 = 2

So the probability we want to calculate is;

P(z > 2) = 0.02275

Help me please don’t understand

-5 1/2 + 6 3/4 + (-4 1/4)

Need help please guysssssss

Question 10 of 321 PointThe standard form of the equation of a parabola isy=1x2 - 4x +21. What is the vertex form of the equation?O A. y =(x+4)2 +13O B. y=2(x+4)2 +21C. y = 2(x-4)2 + 21D. y = -(x-4)? +13

Give B (-4,-6) under which selection is B'(4,6)?

-5 1/2 + 6 3/4 + (-4 1/4)

Need help please guysssssss

Question 10 of 321 PointThe standard form of the equation of a parabola isy=1x2 - 4x +21. What is the vertex form of the equation?O A. y =(x+4)2 +13O B. y=2(x+4)2 +21C. y = 2(x-4)2 + 21D. y = -(x-4)? +13

Give B (-4,-6) under which selection is B'(4,6)?

**Answer:**

**(x - 1) (x - 2) (x + 2) (x + 3)**

**Step-by-step explanation:**

Factor the following:

x^4 + 2 x^3 - 7 x^2 - 8 x + 12

The possible rational roots of x^4 + 2 x^3 - 7 x^2 - 8 x + 12 are x = ± 1, x = ± 2, x = ± 3, x = ± 4, x = ± 6, x = ± 12. Of these, x = 1, x = 2, x = -2 and x = -3 are roots. This gives x - 1, x - 2, x + 2 and x + 3 as all factors:

Answer: (x - 1) (x - 2) (x + 2) (x + 3)

**Answer:**

C) 8

**Step-by-step explanation:**

41 + 6x + 1 = 90° because this is a right angle

42 + 6x = 90 subtract 42 from both sides

6x = 48 divide both sides by 6

x = 8

**Answer:**

the answer should be c

**Step-by-step explanation:**

180-90=90

90-41=49

49-1=48

48:6=8

x=8

About 2.1 cases so it maybe 2 full cases. Hope this helped!

**To find:**

The x-values at the intersection of the graphs of two functions.

**Solution:**

Two functions are:

The functions are equal at the intersection. So,

The solutions of the above equation are the x-values of the intersection.

The solution to the above equation is:

It is given that x lies between -pi and pi. So, the value of n = 0 for the first solution and n = 1 for the second solution. Therefore,

**Thus, options A and B are correct.**

**Answer:**

32 weeks

**Step-by-step explanation:**

First you should write an equation for this word problem. Since you know Brian wants to save to $200, the equation will equal 200. Then you figure out how much he has already, which is 88. Right now, the equation we have is 88+(weekly savings)= 200. He saves 3.50 a week, so the equation will finally look like 88+3.50x=200. X is how many weeks it will take for him to reach 200. We then move everything so that it all equals X. You would move the 88 first which will then give 3.50x=112. Dividing by 3.50 on both sides would give X as 32. SO the number of weeks it will take for Brian to save to $200 is 32 weeks.

**Answer:**

$45.79 multiplied by .50 equals 22.895

**Answer:**

686.85

**Step-by-step explanation:**