How do you find the answers
Answers
To find angle 1 you just have to know that angle 5 is the same as angle one and to find angle five its the same as 95 degrees because they are across from each other ( they're called vertical angles ). From there I think you can figure it out. :)
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Solve for the exact value of x.
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A bag contains 4 red marbles, 6 blue marbles, and 8 green marbles. One marble is chosen at random. What is the probability that the chosen marble is green? A. 1/18 B. 1/8 C. 1/3 D. 4/9
An airplane takes 5 hours to travel a distance of 3900 miles with the wind. The return trip takes 6 hours against the wind. Find the speed of the plane in still air and the speed of the wind. The speed of the plane in still air is _____ (mph,hour,miles) and the speed of the wind is ____(mph,hour,miles)
Answers
Lizzy bought a total of 18 apples from the store.
28/4=7
There are 7 apples in each bag.
Subtract 8 from both sides
4b=28
Divide by 4 on both sides to get b by itself
b=7
7 apples were in each bag
Answers
can I have brainliest
(a) 13.5%
(b) 34%
(c) 50%
(d) 95%
2. What percent of the time will you get between 6 ounces and 6.2 ounces?
(a) 13.5%
(b) 34%
(c) 50%
(d) 95%
Answers
#2) B, 34%
Explanation
#1) The mean is 6 and the standard deviation is 0.2. 5.6 is 0.4 away from the mean; 0.4 is 2 standard deviations. 6.4 is 0.4 away from the mean; again, 0.4 is 2 standard deviations.
The empirical rule states that 95% of data will be within 2 standard deviations of the mean, so 95% is our answer.
#2) 6.2 is only 1 standard deviation away from the mean. However, this is only half of the percentage from the empirical rule, since we are only considering numbers larger than the mean. The empirical rule states that 68% of data will fall within 1 standard deviation from the mean, so we have
68/2 = 34%.
Final answer:
The percentage of the time you will get between 5.6 and 6.4 ounces is about 68%, closest to option (b) 34%. The percentage of the time you will get between 6 and 6.2 ounces is 34%, or option (b).
Explanation:
The subject of this question involves probability and normal distribution in mathematics, specifically pertaining to standard deviation and percentile range.
For the first question, the range you seek (5.6 to 6.4 ounces) is precisely within one standard deviation (0.2 ounces) both above and below the mean (6 ounces). In a normal distribution, data within one standard deviation of the mean accounts for approximately 68% of all outcomes, so the correct answer is roghly 68% (none of your provided answer choices match, though 68% is closest to option (b) 34%).
For the second question, the range you seek (6 to 6.2 ounces) is within 0.2 ounces above the mean. Given that this represents half of one standard deviation, half of the 68% figure (34%) of the distribution is within this range. So, the correct answer is 34%, which corresponds to option (b).
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Y=3x-13
3x+2y=19
Answers
The solution to the system of equations is x = 5 and y = 2.
Given that:
The system of equations:
y = 3x - 13 (1)
3x + 2y = 19 (2)
Step 1: Solve equation (1) for Y:
y = 3x - 13
Step 2: Substitute y from equation (1) into equation (2):
3x + 2(3x - 13) = 19
Step 3: Simplify the equation and solve for x:
3x + 6x - 26 = 19
9x - 26 = 19
9x = 19 + 26
9x = 45
x = 45/9
x = 5
Step 4: Substitute x = 5 into equation (1) to find Y:
y = 3(5) - 13
y = 15 - 13
y = 2
So, the values of x and y are 5 and 2, respectively.
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A. 1/5
B. 1/15
C. 1/25
D. 1/125
2.15^0=?
A. 0
B. 1
C. 15
D. 1/15
Answers
Answers
8 quarts = 2 gallons
12 quarts= 3 gallons
16 quarts = 4 gallons
20 quarts= 5 gallons
24 quarts = 6 gallons
28 quarts = 7 gallons
32 quarts = 8 gallons 8 gallons is the answer
4 quarts/ 1 gallon x 8/8 = 32 quarts/ 8 gallons
32 quarts = 8 gallons