Simone painted a line around the entire perimeter of her rectangular tennis court. The length of the court was 78 feet and the width was 27 feet. How long was the line Simone painted? A. 54 feet B. 105 feet C. 183 feet D. 210 feet

Answers

Answer 1

Answer: It would be D. 210 feet.

Answer 2

Answer: P = 2L + 2W
P = 2(78) + 2(27)
P = 156 + 54
P = 210 ft

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Plz Help! ASAP!!!!Weights of eggs laid by two chickens are recorded for a full year. Both data sets follow a normal distribution.

Chicken A: Standard deviation of A is 4.6 grams; 68% of the eggs fall between 50.9 grams and 60.1 grams.

Chicken B: Standard deviation of B is 4.9 grams; 68% of the eggs fall between 51.9 grams and 61.7 grams.

The difference between the mean weight of Chicken B’s eggs and the mean weight of Chicken A’s eggs to the nearest tenth is...?

Answers

The difference between the meanweight of Chicken B's eggs and the mean weight of Chicken A's eggs to the nearest tenth is 1.8 grams.

What is a normal distribution?

A normaldistribution is a probability distribution that is symmetric around the mean, with most of the data points falling close to the mean and fewer data points falling farther away from it.

The shape of a normal distribution is often referred to as a bellcurve because when the distribution is graphed, the resulting curve resembles a bell

We have,

Since both datasets follow a normaldistribution, we can use the empirical rule (also known as the 68-95-99.7 rule) to find the mean weight of each chicken's eggs.

For Chicken A, we know that 68% of the eggs fall between 50.9 grams and 60.1 grams. This means that the mean weight of Chicken A's eggs is the average of these two values:

Mean of A = (50.9 + 60.1) / 2 = 55.0 grams

For Chicken B, we know that 68% of the eggs fall between 51.9 grams and 61.7 grams. This means that the mean weight of Chicken B's eggs is the average of these two values:

Mean of B = (51.9 + 61.7) / 2 = 56.8 grams

The difference between the meanweight of Chicken B's eggs and the mean weight of Chicken A's eggs is:

Difference = Mean of B - Mean of A

= 56.8 - 55.0

= 1.8 grams

Therefore,

The difference between the meanweight of Chicken B's eggs and the mean weight of Chicken A's eggs to the nearest tenth is 1.8 grams.

Learn more about normaldistribution here:

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Answer:

Do you still need help?

Step-by-step explanation:

Tricia had 4 1/8 yards of fabric to make curtains. When she finished she had 2 3/8 yards of fabric left. She said she used 2 2/8 yards of fabric for the curtains. Do you agree?

Answers

Well for this you have to do 4 1/8 - 2 3/8. You cannot subtract 1 - 3, so you have to take away 1 from three and add 8 to 1 so now the equation is 3 9/8 - 2 3/8. This is equal to 1 6/8 or 1 3/4, so no, she did not use 2 2/8 yards of fabric.

No because if you add up the fabric she 'used' and the fabric she made to make the curtains it doesn't match up with the original yards of fabric she had to make the curtains.

2 3/8+ 2 2/8= 4 5/8

4 5/8 is the supposedly original fabric she had. It's only 1/2 off from the original fabric of yards.

So no I don't agree.

Sam wants to meet his friend Beth at a restaurant before they go to the ththeaterThe restaurant is nine kilometers south of the ththeaterPlot and label a point representing the restaurant. what are the coordinates of the point?

Answers

I suppose the restaurant's coordinates are (0, -9), but it is all relative, unless the coordinates of the restaurant have a y-value 9 less than the coordinates of the theater

How do you solve this equation?

Answers

Thenswer is p is greater than or equal to 4. which, you already wrote.

steps:
1. subtract 140 from both sides. now you have: 15p (is greater than or equal to) 60.

2. divide both sides by 15.

3. simplify. now, the answer is p (is greater than or equal to) 4.

The inequation is:
140+15x≥200

15x≥200-140
15x≥60
x≥60/15
x≥4

Therefore: she has to sell at least 4 paintings

The graph below shows the relationship between the number of chores that Larissa completes and the amount of money that she earns. Which is the best prediction of the number of chores completed if she earns $5?
1
2
10
12

Answers

Answer:

Option B.

Step-by-step explanation:

The given graph represents the relationship between the number of chores, x that Larissa completes and the amount of money that she earns, y.

From the given graph it is clear that the equation of best fit line is

$y=2.09x+0.93$

We need to find the expected number of chores completed if she earns $5.

Substitute y=5 in the above equation and find the value of x.

$5=2.09x+0.93$

Subtract 0.93 from both sides.

$5-0.93=2.09x+0.93-0.93$

$4.07=2.09x$

Divide both sides by 2.09.

$(4.07)/(2.09)=x$

$1.947368421=x$

$x\approx 2$

Therefore, the correct option is B.

Answer:

Step-by-step explanation:

Need help with the whole page

Answers

1) 1/2 = 3/6
1/2 = 1/6 + 1/6 + 1/6 = 3/6
1/2 = 3 * 1/6 = 3/6

2) 1/4 = 2/8
1/4 = 1/8 + 1/8 = 2/8
1/4 = 2 * 1/8 = 2/8

3) 1/4 = 4/16
1/4 = 1/16 + 1/16 + 1/16 + 1/16 = 4/16
1/4 = 4 * 1/16 = 4/16

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