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Related Questions
what is 9/14 x 2 1/3!!!!
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Explaination:
9/14 multiple both numbers by 3=27/42
Break 2 1/3 into 2 and 1/3
1/3 multiple both numbers but 14=14/42
27/42 x 14/42 keep number on the bottom the same
27x14= 378
Divide 378/42=9
Add the 2 from 2 1/3 to the nine
2+9=11
Which of the following points could you remove so that the resulting graph is the graph of a function?
A. (-2, -3)
B. (-1, -5)
C. (0, 5)
D. (1, -3)
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Answer: b
Step-by-step explanation:
The mean life of a certain brand of auto batteries is 44 months with a standard deviation of 3 months. Assume that the lives of all auto batteries of this brand have a bell-shaped distribution. Using the empirical rule, find the percentage of auto batteries of this brand that have a life of 35 to 53 months. Round your answer to one decimal place.
Answers
Answer:
99.7%
Step-by-step explanation:
Using the z score formula
z-score is z = (x-μ)/σ
where:
x = raw score
μ = population mean
σ = population standard deviation.
a) for x = raw score = 35
μ = population mean = 44
σ = population standard deviation =3
z = (35 - 44)/3
z = -9/3
z = -3
b) for x = raw score = 53
μ = population mean = 44
σ = population standard deviation =3
z = (53 - 44)/3
z = 9/3
z = 3
We would use the standard normal distribution table to find their probabilities
P(Z<=-3)=0.0013499
P(Z<=+3)=0.99865
So P(-3<=Z<=3)=0.99865 - 0.0013499 = 0.9973
Converting to percentage = 0.9973 × 100 = 99.73%
Therefore, the percentage of auto batteries of this brand that have a life of 35 to 53 months to one decimal place is 99.7%
Consider the situations in the table below
Situation A: A hang glider descended 33.57 feet, and then ascended 14.98 feet.
Situation B: A football team gained 7 2/5 yards in one play, and then lost 3/5 of a yard in the next play.
Situation C: A hiker walked 3 1/6 miles yesterday and 2 1/2 miles today.
Situation D: A worker earned $23.66 Monday and spent $15.84 Tuesday.
Calculate the sum of each situation. Order the situations from least to greatest based on the numeric value of the sums.
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Answer:
Step-by-step explanation:Situation A: The hang glider descended 33.57 feet and again ascended 14.98. So 33.57 - 14.98 = 18.58. So now the hang glider is at 18.58 feet
Situation B: Initially they gained 7 2/5 yards and then lost 3/5 yards.
7 2/5 yards can be written as 37/5. As they lost 3/5 yards, 37/5 - 3/5 = 34/5. So the remaining yards are 34/5 yards.
Situation C: Hiker walked 3 1/6 miles and then 2 1/2 miles. So the total distance is 3 1/6 + 2 1/2 = 5 4/6 miles.
Situation D: Total amount earned is $23.66 + $15.84 = $39.5.
Answer:
Step-by-step explanation:Situation A: The hang glider descended 33.57 feet and again ascended 14.98. So 33.57 - 14.98 = 18.58. So now the hang glider is at 18.58 feet
Situation B: Initially they gained 7 2/5 yards and then lost 3/5 yards.
7 2/5 yards can be written as 37/5. As they lost 3/5 yards, 37/5 - 3/5 = 34/5. So the remaining yards are 34/5 yards.
Situation C: Hiker walked 3 1/6 miles and then 2 1/2 miles. So the total distance is 3 1/6 + 2 1/2 = 5 4/6 miles.
Situation D: Total amount earned is $23.66 + $15.84 = $39.5.
Step-by-step explanation:
A group of seventh graders and a group of teachers at a local middle school were asked how many siblings they each have. The dot plots below show the results. Students A dot plot titled Students. A number line going from 0 to 9 labeled number of siblings. There are 2 dots above 0, 4 above 1, 7 above 2, 5 above 3, 2 above 4, and 0 above 5, 6, 7, 8, and 9. Teachers A dot plot titled Teachers. A number line going from 0 to 9 labeled Number of siblings. There is 1 dot above 0, 3 dots above 1, 2 above 2, 4 above 3, 5 above 4, 3 above 5, 1 above 6, 0 above 7, 1 above 8, and 0 above 9. When comparing the shape of the two sets of data, what conclusion can someone draw? The students tend to have fewer siblings than the teachers. The teachers tend to have fewer siblings than the students. Both the students and the teachers have a wide range of siblings. Both sets of data have the same shape. the answer is- a. The students tend to have fewer siblings than the teachers.
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Answer:
A. The students tend to have fewer siblings than the teachers.
Step-by-step explanation:
First we need to draw the dot plots correctly. If you count both sides they have 20 each.
Now, clearly none have fewer nobody here yet has more or less but going on to the next step.
Multiply exactly the number of siblings times how many people chose that many siblings. Ex: 2 (siblings) times 7 (people who has 2 siblings) = 14. And so on.
On the Student A, we get a total of 41 people having sibling, if you count the 0's then there were a total of 43 people. But now on the Teacher's A Dot Plot, we have a total of 68 people, if you include the 0 then we have a total of 69.
So the answer is A. The students tend to have fewer siblings than the teachers.
Answer:
The sum is A
Step-by-step explanation:
Just ma duty to help the community
Help what does mean?
Brainly, I did write 20 letters and its still not letting me post this answer, u good?
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If x is equal to 18, then you can substitute x for 18 in the question
The picture says that measure angle ABC is 3x+9
Substitute x for 18, and you get
(3*18)+9
3*18 is 54
54+ 9 is 63
This means that angle measure ABC is 63 degrees
Lillian needed too extend her rope the current rope was 8 3/4 feet. she cut a peace of rope that mesured 4.5 feet and added it to the existing peace of rope what is the new length of the rope ?
a. 4 1/4 feet
b. 4 1/2 feet
c. 12 3/4 feet
d. 13 1/4 feet
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13 1/4
4.5 into a fraction is 4 1/2. 4 1/2 + 8 3/4 is 13 1/4 feet.
Answer:
The answer is d. 13 1/4 feet PLEASE MARK BRAINLIEST
Step-by-step explanation:
the 8 feet plus the 4 feet from the 4.5 feet makes 12 feet plus the fractions so 8 inches is 1/4 feet and 8 inches plus 5 inches on the 4.5 feet makes 13 inches which is 13 1/4 feet so 8 3/4 feet + 4.5 feet = 13 1/4 feet
A group of students s collecting books to add to their library. The table shows the nuber of books in the library after 1, 3, and 5 days. If the relationship between days and books continues to be linear, which ordered pairs could appear in the table?
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Answer:
B and E are the correct answer
Step-by-step explanation:
Because (2,23) and (7,48) are linear
Hope This Helps!
Which list orders the numbers from least to greatest?
Negative 2.4, negative 1.5, negative 2 and one-fourth, negative 3, negative 1 and one-eighth
A number line going from negative 4 to positive 4.
Negative 1 and one-eighth, negative 1.5, negative 2 and one-fourth, negative 2.4, negative 3
Negative 3, negative 2.4, negative 2 and one-fourth, negative 1.5, negative 1 and one-eighth
Negative 3, negative 2 and one-fourth, negative 2.4, negative 1 and one-eighth, negative 1.5
Negative 1.5, negative 1 and one-eighth, negative 2.4, negative 2 and one-fourth, negative 3
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Negative 3, negative 2.4, negative 1.5, negative 2 and one-fourth, negative 1 and one-eighth
Hope my answer helps you✌️
Can someone help me?? with procedure please
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Which real-world image represents a negative slope? A palm tree with a positive slope. A soccer net with a negative slope. A ladder with a positive slope. A hockey stick with a positive slope.
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Answer:
a soccer net with a negative slope
Step-by-step explanation:
given the equation y=5x-1 does the point A(-11,54) belong to this line?
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Which of these place values is found to the left of the 1 in 10?
tenths
thousands
hundreds
ones
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Answer: hundreds
Step-by-step explanation: uh yeah its just that i guess
help meeee plz this is soo hard
Answers
Answer:
B
Step-by-step explanation:
Perimeter=l(2)+w(2)
Match the verbal expression with its algebraic expression. (10 points)
Group of answer choices
b + 2
[ Choose ]
x − 2
[ Choose ]
2z
[ Choose ]
a ÷ 2
[ Choose ]
y2
[ Choose ]
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Answer:
Could you specify it more pls?
Step-by-step explanation:
Simplify (14.1×10^5)-(2.9×10^5). Write your answer in scientific notation. What is the answer in need it before tomorrow
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Answer:
hey! i just put that in my calculator and got 1.12^6, hopefully that is correct and if you need help understanding how i got there just ask!! hope this helps have a great day!!
Step-by-step explanation:
what is the maximum number of 14 pound turkeys that can be purchased with the money donated while still purchasing 100 total turkeys? 10 pound turkeys cost 9.25 and 14 pound turkey cost 12.75. Money limit is $1000.
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Answer:
64.05$
Step-by-step explanation:
64068 - X divided by 74 What is the SMALLEST possible answer?
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Answer:
23421
Step-by-step explanation
x = 32094 divided by 74 = 12.0932 so 64068 - 12.0932 = 64055.9068
good luck
Answer:
Already have the answer, but its 23421.
Step-by-step explanation:
oh hey i need help please
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Step-by-step explanation:
it is 6.79
1) what is the equation of a parabola with the given vertex and focus
vertex (1,6) focus (1,8)
2) A radio station has a broadcast area in the shape of a circle with the equation x^2+y^2=1296
find the intercepts of the graph.
state the radius in miles .
what is the area of the region in which ten broadcast from the station can be picked up?
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Answer:
Step-by-step explanation:
10
8 over 20 =a over 5 what is a ??
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Answer: A is 2.
Step-by-step explanation:
If you divide both sides of 8/20 by 4, you get 2/5
Answer:
\( \frac{8}{20 } = \frac{a}{5 } \\ \: a = \frac{40}{20 } \\ a = 2 \)
write an equation of the line that passes through (-5,-6) and is perpendicular to x + y =6 (and show work)
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Y=-6
X=-5
-6=6-5
-6=-1
Suppose f(x) is a function such that if p
f(x) can be odd or even.
f(x) can be odd but cannot be even.
f(x) can be even but cannot be odd.
f(x) cannot be odd or even.
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Answer:
f(x) can be odd or even.
Step-by-step explanation:
The following information is missing in the question:
Suppose f(x) is a function such that if p < q, f(p) < f(q). Which statement best describes f(x)?
With the information given it is not possible to determine if the function is even or odd.
Even functions: f(-x) = f(x). For examle, (-2)² = 2², then x² is even
Odd functions: f(-x) = -f(x). For examle, (-2)³ = -(2³), then x³ is odd
In both cases, x² and x³, if p < q, f(p) < f(q). For example, 1² < 2², and 1³ < 2³
Can someone please help me??
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Answer: 8.2% rounded to the nearest tenth
Step-by-step explanation:
The original price was 85.78 excluding the sales tax, the total price including the sales tax was 92.82. Subtract 92.82 minus 85.78 and you get 7.04 which was the amount added due to sales tax. Now you will need to find the percentage. What percent is 7.04 of 85.78. You can use the formula p=x times 100 divided by y. x is 7.04 times 100 is 704 then divided by y which is 85.78 you get 8.2 which is your percent.
Pls pls answer this correctly and I will mark it has brainlist pls pls
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Answer:
111
Step-by-step explanation:
make them into two rectangles
Answer:
63
Step-by-step explanation:
first you divide them up like that and add them up like this
5+6+5+6+8+6+8+7+5+7=63
base= 1.5 area=2 but what does height equal
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I think the answer is 3
Answer:
i think its 1.33 repeating
Step-by-step explanation:
Please answer the bottom question please (the cylinder question)! The first one has been answered already.
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Answer:7,065
Step-by-step explanation: 50x75x3.14 then subtract 20x75x3.14
On a map, 56 cm represents 64 miles. If the distance between two cities on the map is 28 cm apart, how many miles separate the cities?
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Answer:
The answer is 32 miles
Step-by-step explanation:
First, you see that 56cm=64 miles
As u can tell 56-28=28
This means that you can just divide 64 by 2 which leads u to the answer of 32 miles
Answer:
32
Step-by-step explanation:
Find the slope of the line that passes through (10, 5) and (3, 2).
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Answer:
3/7
Step-by-step explanation:
We can use the slope formula
m= ( y2-y1)/(x2-x1)
= ( 2-5)/(3-10)
= -3/-7
3/7
PLEASE HELP if can
(file below)
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Answer: B ,hope it helps!