Answer:
10.4
Step-by-step explanation:
the mean is you add up all of the numbers then divide by the amount of numbers so in this case it would be
10+7+16+11+16+6+6=73
There are 7 numbers so
73/7=10.42
Rounded to the nearest tenth would be 10.4
Answer: 10.43 lbs
Step-by-step explanation:
To find the mean (average) of a group of numbers we simply add the numbers and divide by the total number of items we added.
In our example we get (10+7+16+11+16+6+7)/7
= 73/7
= 10.4285714286
= 10.4 (answer is rounded to the nearest tenth)
Problem 37
Kaimi had no money at all when he cashed his paycheck. As he left the bank, he bought a piece of candy for
a nickel from a machine. Later, he realized that the money in his pocket was equal to twice his paycheck.
After a quick calculation, he figured out what happened: the teller accidentally switched the dollars and
cents. How much was Kaimi supposed to be paid, and what did the teller give him? Justify your answer.
X = 31, Y = 63 satisfy the case of 0 ≤ Y < 100 as an expression.
What are algebraic expression?An algebraic expression in mathematics is an expression that consists of variables and constants and algebraic operations (addition, subtraction, etc.). Expressions are made up of concepts.
Assume Kaimi was supposed to be paid X dollars Y cents (0 ≤ Y ≤ 100)
But the teller gave him Y dollars X cents.
Thus kaimi has 100Y + X cents.
A nickel is worth 5 cents.
Hence, after buying the piece of candy for a nickel, Kaimi would be left with 100Y + X - 5 cents.
This is twice his paycheck:
⇒ 100Y + X - 5 = 2(100X + Y)
⇒ 100Y + X - 5 = 200X + 2Y
⇒ 98Y - 199X = 5
199 = 98 × 2 + 3 ⇒ 3 = 199 - 98 × 2
98 = 3 × 32 + 2 ⇒ 2 = 98 - 3 × 32
3 = 2 × 1 + 1 ⇒ 1 = 3 - 2 × 1
2 = 1 × 2 + 0 ⇒ ged(199, 98) = 1
1 = 3 - 2 × 1
= 3 - (98 - 3 × 32) × 1 [∵ 2 = 98 - 3 × 32]
= 3 - 98 × 1 + 3 × 32
= 3 × 33 - 98 × 1
= (199 - 98 × 2) × 33 - 98 × 1 [∵ 3 = 199 - 98 × 2]
= 199 × 33 - 98 × 67
⇒ 1 = 199 × 33 - 98 × 67
⇒ 5(1) = 5 (199 × 33 - 98 × 67)
⇒ 5 = 199(165) - 98(335) [∵ 5 ×33 = 165, 5 × 67 = 335]
⇒ 199(165) - 98(335) = 5
⇒ 98(-335) - 199(-165) = 5
Hence, (X,Y) = (-165, -335) is a solution to 98Y - 199X = 5
But it is required that 0 ≤ Y < 100
Now since it is the difference of two quantities, 98Y and 199X, that is a constant, 5, either both of these quantities will increase simultaneously or both will decrease simultaneously.
Hence, either both X, Y will increase or both, X, Y will decrease.
To bring Y = -335 in the range of 0 ≤ Y < 100, it needs to be increased.
Hence, both X, Y will increase.
X will increase by the absolute value of the coefficient of Y and vice-versa. Hence, X will increase by 98 and Y will increased by 199 to give
(X, Y) = (-165 + 98, -335 +199) = (-67, -136)
Still, it is not the case that 0 ≤ Y < 100
Hence, again X will increase by 98 and Y will increase by 199 to give
(X, Y) = (-67 +98, -136 +199) = (31, 63)
Now, it is the case that 0 ≤ Y = 63 < 100
∴ X = 31, Y = 63
Note that the increasing X again by 98 and Y by 199 will violate
0 ≤ Y < 100. Hence, this is the unique solution.
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The radius of a circle is 4 miles. What is the length of a 45° arc?
45°
r=4 mi
The length of a 45° arc with a radius of 4 miles is approximately 3.14 miles, calculated using the formula for arc length.
To determine the length of a 45° arc given a radius of 4 miles, we can use the formula: Arc length = (angle measure / 360°) x 2πr, where r is the radius of the circle and π is a constant equal to approximately 3.14.
Substituting the given values into the formula, we get: Arc length = (45° / 360°) x 2π(4 mi)Arc length = (1/8) x 2π(4 mi)Arc length = (1/8) x 8π Arc length = π
The length of the 45° arc is approximately 3.14 miles.
Summary: To find the length of a 45° arc of a circle, we use the formula: Arc length = (angle measure / 360°) x 2πr. Given a radius of 4 miles, we can substitute the values into the formula to get the length of the 45° arc, which is approximately 3.14 miles.
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Khaleej Times)Petrol prices in the UAE have jumped over 56 per cent since January 2022 due to an increase in global crude oil prices, especially after the Russia-Ukraine war in February. On Tuesday, the UAE increased Special 95 petrol price by over 13.5 percent to Dh4.03 per liter for June as compared to Dh3.55 in May.
Suppose inflation on Special 95 price continues at 13.5 percent monthly.
Let an = the value (that is, the purchasing power) of one dirham after n months.
(a) Find a recurrence relation for an .
(b) What is the value of Dh1.00 after ½ year?
(c) What is the Special 95 petrol price per liter in September 2022?
Answer:
it will equal1to indequate it
What is the slope of the line?
Ay
4
m =
2
-
-
x
-4
-2
2.
4
-2
-4
Answer:
1/4
Step-by-step explanation:
1. To find the slope, you can use the formula \(\frac{rise}{run}\) to find it!
2. Rise means how many units you go up and down from point to point, and run means how far you go left or right from point to point.
3. Given the statement above, the rise would be 1, and the run would be 4.
4. Now, since slope is (rise)/(run), the slope is 1/4 because one divided by four is equal to one fourth.
Victor knows who killed his brother, but remains silent in chapters 5-8 of Frankenstein. Why?
A. He doesn't want to be executed.
B. He fears people will think he's insane if he tells the truth.
C. He is afraid Elizabeth will hate him.
D. He is afraid of being expelled from school.
Answer: b
Step-by-step explanation:
i took the quiz duhh
The cost of 5 story books is Rs 800. How many books can be bought for Rs 1,440?
Answer:
cost of 5 story book=800
cost of 1 story book=800/5
=160
how many. book can be bought on rs.1400
=1400/160
=8.75
Step-by-step explanation:
=
PLEASE HELP PLEASE PLEASE
Answer:
21
Step-by-step explanation:
Yes, since 21 has more than two factors i.e. 1, 3, 7, 21. In other words, 21 is a composite number because 21 has more than 2 factors.
)The mean voltage of a battery is 15 and S.D 0.2.Find the probability that four such batteries connected in series will have combined voltage of 60.8 or more volts
The probability that four batteries connected in series will have a combined voltage of 60.8 or more volts is approximately 0.0228 or 2.28%.
To find the probability that four batteries connected in series will have a combined voltage of 60.8 or more volts, we need to use the concept of the Central Limit Theorem.
In this case, we know that the mean voltage of a single battery is 15 volts and the standard deviation is 0.2 volts. When batteries are connected in series, their voltages add up.
The combined voltage of four batteries connected in series is the sum of their individual voltages. The mean of the combined voltage will be 4 times the mean of a single battery, which is 4 * 15 = 60 volts.
The standard deviation of the combined voltage will be the square root of the sum of the variances of the individual batteries. Since the batteries are connected in series, the variance of the combined voltage will be 4 times the variance of a single battery, which is 4 * (0.2)^2 = 0.16.
Now, we need to calculate the probability that the combined voltage of four batteries is 60.8 or more volts. We can use a standard normal distribution to calculate this probability.
First, we need to standardize the value of 60.8 using the formula:
Z = (X - μ) / σ
Where X is the value we want to standardize, μ is the mean, and σ is the standard deviation.
In this case, the standardized value is:
Z = (60.8 - 60) / sqrt(0.16)
Z = 0.8 / 0.4
Z = 2
Next, we can use a standard normal distribution table or calculator to find the probability associated with a Z-score of 2. The probability of obtaining a Z-score of 2 or more is approximately 0.0228.
Therefore, the probability that four batteries connected in series will have a combined voltage of 60.8 or more volts is approximately 0.0228 or 2.28%.
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Please helppp meeee for brainliest!! ❤️❤️
Answer:
I'm sorry but I couldn't see the hole question
Which fraction is closest to 1/2
?
The fraction which is closest to 1/2 is, 3/8. So option B is correct
What is a fraction?Fraction is a mathematical term, which represents the portion or sub-parts of the whole thing. Basically, It has two parts: numerator and denominator.
Numerator is a number which lies on the top side, it indicates the number of equal parts taken and denominator is on the bottom side, it indicates the equal parts of the whole number.
Given that,
A fraction number 1/2
In decimal form = 0.5
Closest fraction number = ?
Most closest number is that number from which we subtract the given number and the magnitude of result we get is very less,
Lets take, A fraction 1/6
In decimal form it can written as, 0.167
Difference 1 = 0.5 - 0.167
= 0.333
Similarly, For numbers 3/8, 3/4, -1/2
Difference 2 = 0.5 - 0.375 = 0.125
Difference 3 = 0.5 - 0.75 = -0.25
Difference 4 = 0.5 - (-0.5) = 1.0
It can be seen that,
Magnitude of difference in case of 3/8 is very less
Hence, the closest number is 3/8
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which of the following numbers are divisible by 2 3 and 6
Answers
31290 (a)
97656 (b)
987654 (c)
1790184 (e)
973212 (h)
all are multiples of the following numbers listed
Answer:
31290
97656
986754
1790184
973212.
Step-by-step explanation:
If a number is divisible by 2 and 3 it is also divisible by 6.
No odd numbers are divisible by 6 so this rules out 4883.
If a number is divisible by 3 then the sum of its digits add up to 3, 6 or 9.
So 31290 is divisible by 3
It is also even so its also divisible by 6.
By the same reasoning 97656, 986754, 1790184 and 973212 are divisible by 2 3 and 6.
Negative 3 (8 minus 5) squared minus (negative 7) = negative 3 (3) squared minus (negative 7) = negative 3 (9) minus (negative 7) = 27 minus (negative 7) = 34.
What was Huda’s error?
Huda evaluated (3) squared incorrectly.
Huda found the product of –3 and 9 as positive.
Huda subtracted –7 from 27 incorrectly.
Huda did not follow the order of operations.
Huda's error in evaluating (3) squared incorrectly led to the incorrect final result.
The correct answer should be -20, not 34.
Huda's error was that she evaluated (3) squared incorrectly.
Instead of calculating 3 squared as 9, she mistakenly considered it as 3. This error led to incorrect subsequent calculations and the final result of 34, which is not the correct answer.
To evaluate the expression correctly, let's go through the steps:
Negative 3 (8 minus 5) squared minus (negative 7) \(= -3(3)^2 - (-7)\)
First, we simplify the expression within the parentheses:
\(-3(3)^2 - (-7) = -3(9) - (-7)\)
Next, we evaluate the exponent:
-3(9) - (-7) = -3(9) + 7
Now, we perform the multiplication and addition/subtraction:
-3(9) + 7 = -27 + 7 = -20
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please help!!! only 20 mins left
The rule of (x, y) → (-x, y), which is reflection over y-axis.
Given that, ΔABC maps to triangle ΔA'B'C'.
What is the reflection on y-axis?When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is taken to be the additive inverse. The reflection of point (x, y) across the y-axis is (-x, y).
The coordinate points of ΔABC are A(-4, 3), B(-3, -3) and C(1, 2) and the coordinate points of ΔA'B'C' are A'(4, 3), B'(3, -3) and C'(-1, 2).
Here, A(-4, 3) → A'(4, 3), x-coordinate is negated and y-coordinate remains same.
Similarly, B(-3, -3) → B'(3, -3) and C(1, 2) → C'(-1, 2) follows the same pattern.
From this, it is clear that the coordinates of triangle ABC is reflected on y-axis.
Therefore, the rule of (x, y) → (-x, y), which is reflection over y-axis.
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Need help ASAP will give brainly
Answer:
18) 50.43 m²19) 252 cm²11) 6Factor the expression.
g²r +
9²₂² - 6g²rs²t+
DONE
__jp²t)(
5422)
To factor the expression, we need to identify any common factors that can be pulled out of the terms.
The terms g²r and 9²₂² have a common factor of g². The terms 6g²rs²t and -6g²rs²t have a common factor of -6g²rs²t. The term 5422 does not have any factors in common with the other terms.
Therefore, the expression can be factored as:
(-6g²rs²t)(g²r + 9²₂²) + 5422
This is the fully factored form of the expression.
????
Please help me i need help.
Answer:
5x+7 > 17 matches with 3.
1+3x > -5 matches with 2.
2x+1 < 3 matches with 1.
5-3x > 11 matches with 4.
Step-by-step explanation:
*WILL GIVE BRAINLIEST FOR BEST ANSWER IF YOU DONT KNOW IT DONT ANSWER IT OR I WILL REPORT YOU FOR SAYING I THINK ITS THIS OR SAYING SOMETHING THAT IS OFF TOPIC*
Solve for r.
–2 − 9r = 8 − 10r
r =
Answer:
-6
Step-by-step explanation:
STEP 1= bring all the unknown factors together and the known factors toghether
-2+8=9r-10r
STEP2= SOLVE IT
+6=-1R
thus r= -6
1. Oceanside Bike Rental Shop charges $16 plus $6 an hour for renting a bike. Melanie paid $70 to rent a bike. How many hours did she pay to have the bike checked out? Select the correct equation to represent this situation.
A) 16x+6x=70
B) 16+ 6x=70
C) 16x+6=70
2. Jason bought 9 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 42 cards left. How many cards did Jason start with? Select the correct equation to represent this situation.
A) 1/2(x+9)=42
B) 9x+1/2=42
C) 1/2x+9=42
3. Jason sold half of his comic books and then bought 6 more. He now has 17. How many did he begin with? Select the correct equation to represent this situation.
A) 1/2(x+6)=17
B) 1/2x+6=17
C) 1/2x+6x=17
4. Dan spent half of his allowance going to the movies. He washed the family car and earned $9. What is his weekly allowance if he ended with $15? Select the correct equation to represent this situation.
A) 1/2x+9=15
B) 1/2(x+9)=15
C) 9-1/2x=15
Answer:
1 = C
2 = B
3 = B
4= C
Step-by-step explanation:
Im not 100% sure but.. i tried
Answer:sike i lied i must provide
Step-by-step explanation: its ez just do it
. Max needs 104 cups of flour to make a batch
of pizza dough for the pizzeria. He only has
4 cups of flour. How much more flour does
he need to make the dough? (STEP BY STEP. FOR THE LAST TIME.)
To make the dough, he'll need 5 3/4 cups of floor.
What is fraction?A fraction is a portion of a whole or, more broadly, any number of equal parts. In everyday English, a fraction describes the number of parts of a specific size, such as one-half, eight-fifths, or three-quarters. In mathematics, a fraction is used to represent a portion or part of a whole. It symbolizes the equal parts of the whole. A fraction is made up of two parts: the numerator and the denominator. The top number is known as the numerator, and the bottom number is known as the denominator.
Here,
10 1/4 cups of flour needed to make a batch=41/4 cups
4 1/2 cups of floor is there=9/2 cups
flour does he need to make the dough,
=41/4-9/2
=(41-18)/4
=23/4
=5 3/4 cups
He needs 5 3/4 cups of floor to make the dough.
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andre measured the lenghts of 10 sticks to the nearest inch. the lenghts of the sticks were 3,3,4,3,3,5,4,6,5 and 4 inches
The 4th line plot picture correctly shows the data of the lengths of the sticks that were 3, 3, 4, 3, 3, 5, 4, 6, 5 and 4 inches.
What is line plot?A line plot is a graph that uses symbols to represent data above a frequency number line. It is used to arrange the data simply and is very simple to understand.
A line plot is a graphical representation of data on a number line which uses dots, crosses, or any other symbol. The scale of the graph is represented by each mark, which corresponds to a particular quantity.
The data on a number line can be graphically represented using symbols using a line plot graph. In contrast to a line graph, no cartesian plane or x and y axes are used in this data representation. Simple lines are drawn on a number line to represent a line plot graph.
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Full question:
Andre measured the lengths of 10 sticks to the nearest inch. the lenghts of the sticks were 3,3,4,3,3,5,4,6,5 and 4 inches. Click on the line plot that shows these data. Lengths of Sticks (in inches) Lengths of Sticks (in inches) Lengths of Sticks (in inches) Lengths of Sticks.
help with 6 please i need to graduate
The expression with the correct coefficients in each block is given as follows:
20x³ + 0x² - 7x.
How to obtain the resultant function?The functions in the context of this problem are defined as follows:
f(x) = 4x.g(x) = 5x² - 4.h(x) = 9x.The operation is given as follows:
f(x)g(x) + h(x).
Hence, to obtain the resultant function, we apply the definitions into the operation and the simplify, applying the distributive property and combining the like terms, as follows:
4x(5x² - 4) + 9x = 20x³ - 16x + 9x = 20x³ - 7x.
As there is no x² term, the coefficient of zero multiplies the term x².
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There are 15 crayons in a box, 6 of them are blue. What percentage of the crayons are blue in the box?
A survey found that one out of five Americans says he or she has visited a doctor in any given month. If 10 people are selected at random, find the probability that at least 3 will
have visited a doctor last month.
In a circle a the measure of arc 80degree. the measure of angle bad is
Given:
a circle is given
It is given that the arc BD=80 degree.
Find:
we have to find angle BAD and angle BCD.
Explanation:
as we know arc BD = angle BAD
Therefore, angle BAD = 80 degree
Now angle BCD = (1/2) *Angle BAD
Hence, Angle BCD = (1/2)*(80) = 40 degree
Conclusion:
Therefore, angle BAD = 80 deg and
angle BCD = 40 deg.
A jar contains 93 marbles, of which 32 are blue, 20 are red, and the rest are green. What is the ratio of green marbles to all marbles?
Answer: 52:41
Step-by-step explanation:
A farmer earns $___ for each orange she sells. She had to pay $___ for fertilizer. Part A: Rewrite the description by filling in the blanks with values of your choice to show the amount of money the farmer could earn selling any number of oranges, n. Make sure the values you choose make sense for this situation. (6 points) Part B: Write an algebraic expression from your written description used in Part A. Let n stand for the number of oranges. (6 points)
The time it takes to completely clean an office building follows an exponential distribution with a mean of 135 minutes. What is the probability of cleaning an office building in 135 minutes or less?
Answer:
0.63212
Step-by-step explanation:
Given that :
Mean cleaning time (μ) = 135
Probability of cleaning the office is 135 minutes or less
Using an exponential distribution probability calculator :
P(X ≤ 135) = 0.63212
what fraction of 1 day is 48 minutes
Answer:
48 ÷ 60 = 4/5
Step-by-step explanation:
4/5 is the answer
Answer:
\(\frac{1}{30}\)
Step-by-step explanation:
We require the number of minutes in a day.
i hour = 60 minutes
24 hours = 24 × 60 = 1440 minutes ( 24 hours in 1 day )
Then
fraction = \(\frac{48}{1440}\) ( divide numerator/ denominator by 12 )
= \(\frac{4}{120}\) ( divide numerator/ denominator by 4 )
= \(\frac{1}{30}\)
Solve for x. 9 = -11 + x/8
Answer:
x= -16
Step-by-step explanation:
add 11 to each side.
-2=x/8
multiply both sides by 8
-16=x
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 169 cm and a standard deviation of 2.2 cm. For shipment, 10 steel rods are bundled together.
Answer the following rounding to three decimals where appropriate.
Find the probability that the average length of a randomly selected bundle of steel rods is greater than 168.58 cm.
P(M > 168.58) = ???
The probability that the average length of a randomly selected bundle of steel rods is greater than 168.58 cm is 0.7486
How to calculate the probabilityFirst, we need to calculate the z-score for the sample mean:
z = (x - μ) / (σ / √n)
z = (168.58 - 169) / (2.2 / √10)
z = -0.67
Next, we need to find the probability that a randomly selected bundle of steel rods will have a mean length greater than 168.58 cm. This is equivalent to finding the area under the standard normal distribution curve to the right of z = -0.67.
Using a standard normal distribution table or calculator, we find that the probability is 0.7486.
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