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On a number line, point A is at coordinate 1. Point B is at coordinate-5. Find thecoordinate that is the midpoint from A to B.

Answers

Answer 1
Answer:

Answer:

-2

Step-by-step explanation:

  • Midpoint is the half of the sum of endpoints

Point A = 1

Point B = - 5

Midpoint :

  • (1 + (-5))/2 = -4/2 = -2

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Researchers are studying the relationship between honesty, age, and self-control conducted an experiment on 160 children between the ages of 5 and 15. The researchers asked each child to toss a fair coin in private and to record the outcome (heads or tails) on a paper sheet, and said they would only reward children who report heads. Half the students were explicitly told not to cheat and the others were not given any explicit instructions. Differences were observed in the cheating rates in the instruction and no instruction groups, as well as some differences across children's characteristics within each group.Identify the population of interest in the study.a) 80 children between the ages of 5 and 15 who were told not to cheatb) 160 children between the ages of 5 and 15c) The researchersd) All children between the ages of 5 and 15

Find the slope please​

Answers

Answer:

Step-by-step explanation:

Pick any 2 points and then plug it in to the formula for slope

y2-y1

_____. (Rise over run)

x2-x1

Pick 2 ordered pairs (x,y) and then plug in the respective values for x and y

Once plugged in, subtract for the top and bottom values

Then divide the values

The answer is the slope

The line AB has midpoint (2,5).
A has coordinates (1, 2).
Find the coordinates of B.

Answers

Answer:

X_m = (A_x +B_x)/(2)= (1+B_x)/(2)= 2

And we can solve for B_x and we got:

1+B_x = 4

B_x = 3

Y_m = (A_y +B_y)/(2)= (2+B_y)/(2)= 5

And we can solve for B_x and we got:

2+B_y = 10

B_y = 8

So then the coordinates for B are (3,8)

Step-by-step explanation:

For this case we know that the midpoint for the segment AB is (2,5)

And we know that the coordinates of A are (1,2)

We know that for a given segment the formulas in order to find the midpoint are given by:

X_m = (A_x +B_x)/(2)= (1+B_x)/(2)= 2

And we can solve for B_x and we got:

1+B_x = 4

B_x = 3

Y_m = (A_y +B_y)/(2)= (2+B_y)/(2)= 5

And we can solve for B_x and we got:

2+B_y = 10

B_y = 8

So then the coordinates for B are (3,8)

Final answer:

The coordinates of point B are (4, 8).

Explanation:

To find the coordinates of point B, we can use the midpoint formula. The midpoint formula states that the coordinates of the midpoint M(xm, ym) of a line segment with endpoints A(x1, y1) and B(x2, y2) are given by:

xm = (x1 + x2) / 2

ym = (y1 + y2) / 2

In this case, we are given that the midpoint M is (2, 5) and A is (1, 2). We can substitute these values into the formula:

2 = (1 + x2) / 2

5 = (2 + y2) / 2

Now, we can solve for x2 and y2:

x2 = 4

y2 = 8

Therefore, the coordinates of point B are (4, 8).

Learn more about Coordinates

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Mr. Ross is painting a wall that has an area of 142.5 square feet. He uses 3/4 gallon of paint to paint 1/5 of the wall. How many gallons of paint will he need to paint the entire wall?

Answers

Answer: He will need  3\frac34 gallons of paint to paint the entire wall.

Step-by-step explanation:

Given : Area to paint = 142.5 square feet

Paint used to paint \frac15 of the wall = \frac34 gallon

Paint used to paint complete 1 wall = 5*\frac34 gallons

Paint used to paint complete 1 wall  =(15)/(4)=3(3)/(4) gallons

Hence, he will need  3\frac34 gallons of paint to paint the entire wall.

(5.1 x 103) • (3.2 x 103)

Answers

Answer:

11480.22

Step-by-step explanation:

5.1x3.2 + 5.1x103 + 103x3.2 + 103x103

16.32 + 525.3 + 329.6 + 10609

11480.22

*8. Consider a LTI system with unit impulse response, h(t) = e-3tu(t). Using direct integration technique for finding convolution, find its zero-state response due to an input, x(t) = u(t) (which is called unit step response of the system). Also, from your answer above, write down its response due to an input of the form, x(t) = 2δ(t) – 4u(t). [Hint: Use principle of superposition]

Answers

Answer:

Step-by-step explanation:

Check the attachment for solution

The students at Midtown Middle school sold flowers as a fundraiser in September and October. In October, they charged $1.50 for each flower. The October price was a 20% increase of the September price. Part A: What was the price of the flowers in September? Part B: The seventh-grade class earned 40% of the selling price of each flower. In September, they sold 900 flowers. In October, they sold 700 flowers. Did they earn more money in September or October? How much more?

Answers

Let the price of flowers in September be x, then (100 + 20)/100 * x = $1.50
120/100 * x = $1.50
1.2x = $1.50
x = $1.50/1.2 = $1.25
The price of flowers in September is $1.25

Total money realised in September = $1.25 x 900 = $1,125
40% earned = 0.4 x $1,125 = $450

Total money realised in October = $1.50 x 700 = $1,050
40% earned = 0.4 x $1,050 = $420

The class earned more money in September and they earned $30 more than in October.
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