What is the rule for the reflection?A) r y=x (y,x) -> (-y,-x)
B) r y=-x (x,y) -> (-y,-x)
C) r y=x (x,y) -> (y,x)
D) r y=-x (x,y) -> (y,x)

Answers

Answer 1
Answer: the rule for the reflection is (B)

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After complaining about the bonus plans, you wake upon Conglomo's private island, where you break big rocksinto smaller rocks for $10 a day. There are 999 otheremployees on the island, 998 of whom get paid the sameway you do. The last employee is your overseer, who ispaid $10 million per year.What is the mean and median income forworkers on Super Happy Fun Island?Which method of describing central tendencybetter represents this data? Why?

If 9x+2y^2−3z^2=132 and 9y−2y^2+3z^2=867, then x+y =

Answers

Answer:

x + y = (1000)/(9)

Step-by-step explanation:

Step 1: Identify the approach:

With this problem, the general solution is to try manipulate given data and transform data into a new form, in which, the desired value (x + y) is on the left side and all of other components which do not contain x or y are on the right side.

Step 2: Analyze:

9x + 2y^(2) - 3z^(2) = 132\n9y - 2y^(2) + 3z^(2) = 867

Realize that in both equations, the 2y^(2) and 3z^(2) are in form of different signs. Then adding up corresponding sides of both equation can help eliminate these undesired components.

Step 3: Perform manipulation:

9x + 2y^(2) - 3z^(2) + 9y - 2y^(2) - 3z^(2) = 132 + 867

Rearrange:

(9x + 9y) + (2y^(2) - 2y^(2)) +(3z^(2) - 3z^(2)) = 132 + 867

Simplify:

9(x + y) + 0 + 0 = 1000

Simplify:

x + y = (1000)/(9)

Hope this helps!

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An ice cream cone is filled with vanilla and chocolate ice cream at a ratio of 2:1. If the diameter of the cone is 2 inches and the height is 6 inches, approximately what is the volume of vanilla ice cream in the cone? (round to nearest tenth) A) 1.0 in3 B) 2.1 in3 C) 4.2 in3 D) 6.3 in3

Answers

Answer:

D. 6.3 in^3

Step-by-step explanation:

V= 1/3 (3.14)(r^2)(h)

V= 1/3 (3.14) (1^2)(6)

V=6.3 in^3

Answer:

c

Step-by-step explanation: it was on usa test prep and the answer that was there was wrong.

Ok if Dan made 1412.42 and Aaron made 1187.92 And total amount of fuel for the truck was 418.91 how do fuel do I deduct for each driver? They both driving the same truck. I need to know how to divide the fuel evenly

Answers

First we should calculate the relation between how much they make and the fuel cost so we write

(1412.42+1187.92)/418.91=6.21

So that means that for every 6.21 dollars made 1 dollar of fuel must be deducted so now we calculate what they need to be deducted by:

Dan deduction = 1412.42/6.21=    227.41
Aaron deduction= 1187.92/6.21 = 191.29

Line p is parallel to line q. Parallel lines p and q are crossed by lines a and b to form 2 triangles. At parallel line p, angle 4 is formed by line b and angle 5 is formed by line a. Angle 6 is the third angle. At parallel line q, angle 3 is formed by line 3 and angle 2 is formed by line b. Angle 1 is the third angle. Which set of statements about the angles is true? Angle 1 is congruent to angle 6, angle 5 is congruent to angle 4, angle 3 is congruent to angle 2 Angle 2 is congruent to angle 4, angle 3 is congruent to angle 6, angle 1 is congruent to angle 5 Angle 3 is congruent to angle 6, angle 1 is congruent to angle 2, angle 5 is congruent to angle 4 Angle 6 is congruent to angle 1, angle 5 is congruent to angle 3, angle 4 is congruent to angle 2

Answers

Answer:

a

Step-by-step explanation:

Answer:

add all angles

Step-by-step explanation:

I'm having trouble answer this question

Answers

Answer:

The correct answer is B.

Step-by-step explanation:

Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of error: seven percentage points, confidence level 95%, from a prior study,^p is estimated by the decimal equivalent of 42%n=_____ (round to the nearest integer.)

Answers

Answer: 191

Step-by-step explanation:

Formula to find the minimum sample size required to estimate a population proportion or percentage:

n= \hat{p}(1-\hat{p})((z^*)/(E))^2

, where \hat{p} = proportion estimated by prior study.

E= Margin of error.

z* = Critical z-value.

Given : Confidence level = 95%

Critical value for 95% confidence = z*=1.96

\hat{p}=\ 42\%=0.42

E= 7%= 0.07

Then, n= 0.42(1-0.42)((1.96)/(0.07))^2

n= 0.42(0.58)(28)^2

n= 0.2436(784)=190.9824approx191

Hence, the minimum sample size required=191