Answer:
suppose x and y are two divided
parts of 4500. then
x+y=4500 __ (1)
given
5% of x = 10% of y
100
5x
=
100
10y
x=2y
2y+y=4500
3y=4500
y=1500
x+1500=4500
x=4500−1500
x=3000
hence the 4500 is been divided into
two parts of 1500 and 3000.
hope it helps you
All Questions Are Above
Answer:
...
Step-by-step explanation:
2. 5.25, because the radius is half the diameter
3. 3 in because the diameter is 2x the radius
4. i.dk this one sorry
Answer:
2. 5.25in
3. 3 in
4. 81.68 or 82
Step-by-step explanation:
The first two are basically multiplication and division. radius is half the diameter, and diameter is the whole of radius. the circumference is 3.14 or \(\pi\) x diameter
so you need to add the radius (13) by itself (13+13) to get the diameter (or 13*2) then multiply by 3.14159. (26*3.14159 = 81.68) and if you need to round its 82.
~R3V0
Helppppppppppp!!!!!!!!!!!!!!!!!!!
\(\sqrt{576 x^4 y^6}\\\\\\=\left(24^2 x^4 y^6\right)^{\tfrac 12}~~~~~~; \left[\sqrt a = a^{\tfrac 12} \right]\\\\\\=(24^2)^{\tfrac 12} \times (x^4)^{\tfrac 12} \times (y^6)^{\tfrac 12}\\\\\\=24^{\tfrac 22} \cdot x^{\tfrac 42} \cdot y^{\tfrac 62}\\\\=24 x^2 y^3\)
Select the correct answer.
CAMERY
Which expression is equivalent to the given expression?
2x214x + 24
OA. 2(x-8)(x + 3)
OB.
(2x12)(x - 2)
OC. 2(x - 3)(x - 4)
OD. 2(x - 5)(x - 2)
Joan wants to make a dinner plan for next week. how many different arrangements are there for the 7 days?
Answer:
5040
Step-by-step explanation:
an illustration of permutations
The given parameter is:
number of days
dinners for 7 days
Substitute known values
Janelle weighed an unknown substance. It had a mass of 20. 609 grams. She exposed the substance to a flame and carefully weighed the substance again. The substance then had a mass of 17. 39 grams. Write and solve an equation to determine the amount of mass x the substance lost.
Janelle calculated that the unknown weighed lost 3.219 grams of mass when exposed to a flame.
Janelle weighed an unknown substance to determine its mass. The initial mass was 20. 609 grams. She then exposed the substance to a flame, and carefully weighed it again. This time, the mass was 17. 39 grams. To determine the amount of mass x the substance lost, Janelle can write and solve an equation. The equation would be: 20.609 - 17.39 = x, where x is the amount of mass lost. To solve for x, Janelle can subtract 17.39 from 20.609. This calculation would result in x = 3.219, meaning the substance lost 3.219 grams of mass. Therefore, the amount of mass x the substance lost is 3.219 grams.
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In a sequence of numbers, the first term is x and each term thereafter is twice the previous term. the fifth term is 160. what is the value of x ?
The value of x in sequence of number is 10.
Here, first term of sequence is x and each term there after is twice the previous term. Also Fifth term is 160.
What is geometric series?
Geometric series is an infinite series of the form:
\(a+ar+a r^{2} +ar^{3} +..........\)
where r is known as common ratio.
Now, first term is x and each term there after is twice the previous term.
So the series will be;
x , 2x , 4x , 8x, ..........
Clearly this series is geometric series with common ratio 2.
And the nth term of geometric series is \(ar^{n-1}\)
⇒ fifth term is 160
\(ar^{5-1} = 160\\ar^{4} = 160\\a 2^{4} =160\\a=\frac{160}{16} \\a=10\)
Here, first term is x.
The value of x in sequence of number is 10.
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-2a=12-4a how do you solve this ?
\(-2a = 12 -4a\\\\\implies -2a +4a=12 \\\\\implies 2a = 12\\\\\implies a= \dfrac{12}2 =6\)
Answer:
Step-by-step explanation:
-2a=12-4a
+4a +4a
2a = 12
/2 /2
a = 6
one institute mandates that for every 100 items scanned through the electronic checkout scanner at a retail store, no more than 2 should have an inaccurate price. a recent study of the accuracy of checkout scanners at the stores of a certain company showed that, of the company stores investigated, violated the institute's scanner accuracy standard. if 1 of the company stores is randomly selected, what is the probability that that store does not violate the institute scanner accuracy standard?
Probability of stores not violating the standard = 1 - (X / N)
To find the probability that a randomly selected store does not violate the institute's scanner accuracy standard, we need to determine the probability of stores that do not violate the standard out of all the investigated company stores.
Let's assume that the total number of company stores investigated is N, and the number of stores that violated the institute's scanner accuracy standard is X.
First, we need to calculate the probability of stores that violated the standard:
Probability of stores violating the standard = X / N
To find the probability of stores that do not violate the standard, we can subtract the probability of stores violating the standard from 1 (since the sum of the probabilities of both categories should be equal to 1):
Probability of stores not violating the standard = 1 - (X / N)
Therefore, the probability that a randomly selected store does not violate the institute's scanner accuracy standard can be calculated using the given information about the number of stores that violated the standard and the total number of investigated company stores.
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Solve the equation in the interval from 270° to 810°
Your answer should be in degrees
cos(x)=1
Choose all answers that apply
A. 0°
B. 90°
C. 360°
D. 540°
E. 720°
F. 1080°
Answer:
Step-by-step explanation:
cos(x)=1
Choose all answers that apply
A. 0°
B.90°
C.360°
D.540°
E. 720°
F.1080°
Answer:
C or E
Step-by-step explanation:
The answer should be choice.C or E
What is the slope for 3y+6x=9
43) a survey was given asking whether they watch movies at home from netflix, redbox, or a video store. use the results to determine how many people use redbox.
Redbox is used by 136 people.
What is a Venn diagram?A Venn diagram is a popular diagram style that depicts the logical relationship between sets. It was popularized by John Venn in the 1880s. The diagrams are used in probability, logic, statistics, linguistics, and computer science to teach elementary set theory and to illustrate simple set relationships.To find how many people use red boxes:
Given:
A survey was given asking whether they watch movies at home from Netflix, Redbox, or a video store.
52 only use Netflix62 only use Redbox24 only use a video store16 use only a video store and Redbox48 use only Netflix and Redbox30 use only a video store and Netflix10 use all three25 use none of theseThen,
Number of people who use Redbox = number of people use only use Redbox + use only a video store and Redbox + Netflix and Redbox + use all three= 62 + 16 + 48 + 10= 136136 people use Redbox.Therefore, Redbox is used by 136 people.
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The complete question is given below:
A survey was given asking whether they watch movies at home from Netflix, Redbox, or a video store. Use the results to determine how many people use Redbox.
52 only use Netflix
62 only use Redbox
24 only use a video store
16 use only a video store and Redbox
48 use only Netflix and Redbox
30 use only a video store and Netflix
10 use all three
25 use none of these
Please help me with this one it’s important
Answer:
yeah I'm sorry good luck with this
Step-by-step explanation:
Is this correct ? Please answer asap !
Answer:
Yes that formula is right, and the y- intercept is where the line intersects with the y- axis on the graph.
3/c+7 = 8/c+6
what is c?
Answer:
c is 5
Step-by-step explanation:
5
student researchers wanted to see whether a short delay between seeing a list of words and when people were asked to recall them would hinder memorization. the subjects were shown a list of words to memorize for 1 minute and were then given 1 minute to recall as many words as they could. each subject did this once with no delay between memorizing and recall and another time with a 30-second wait between memorizing and recall. they were randomly assigned the order of the two conditions. the number of words memorized under each condition can be found in the statcrunch data set memorizingwords. questions: use the appropriate simulation applet to calculate an approximate p-value. is there strong evidence that a short delay hinders the memorization process? explain.
The appropriate simulation applet to calculate an approximate p-value is 0.0077.
The strong evidence that a short delay hinders the memorization process is strong data suggests that a brief delay impairs memorization.
Delay or no delay, answer: the number of words remembered
The mean distance between words remembered with and without delay over time is null, or zero.
Alt: The mean distance in words remembered over the long term (with no delay minus with delay) is higher than 0.
Yes, the majority of the lines do skew to the right. The mean for no delay is 10.55 whereas that for with delay is 8.7.
The mean distance in words remembered is 1.85.
1)0.0077 as the p-value
2)Strong data suggests that a brief delay impairs memorization.
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m∠RST =______because they are __________ (Fill in the blanks)
Answer:
∠RST = ∠SRU because they are alternate angles.
Step-by-step explanation:
Hope it helps .
Please help Please thank you
Answer: C) The student made an error in step 3.
Step-by-step explanation:
When dividing by a negative while working with inequalities, you must "flip the sign." Thus, there is an error in step 3.
N.B. The answer could very well be interpreted as B), but I believe C) is the best and most defensible answer.
Hope it helps :) and let me know if you want me to elaborate.
Answer:
nvm
Step-by-step explanation:
If the two figures are congruent, which statement is true?
A. BCDA ≅ FEHG
B. ABCD ≅ EFGH
C. BADC ≅ EFGH
D. ADCB ≅ HGFE
Answer:
A
Step-by-step explanation:
the order of letter should resemble the same shape
What are the four conditions necessary for X to have a Binomial Distribution? Mark all that apply.
a. There are n set trials.
b. The trials must be independent.
c. Continue sampling until you get a success.
d. There can only be two outcomes, a success and a failure
e. You must have at least 10 successes and 10 failures
f. The population must be at least 10x larger than the sample. T
g. he probability of success, p, is constant from trial to trial
Options a, b, d, and g are the correct conditions for a Binomial Distribution.
The four conditions necessary for X to have a Binomial Distribution are:
a. There are n set trials: In a binomial distribution, the number of trials, denoted as "n," must be predetermined and fixed. Each trial is independent and represents a discrete event.
b. The trials must be independent: The outcomes of each trial must be independent of each other. This means that the outcome of one trial does not influence or affect the outcome of any other trial. The independence assumption ensures that the probability of success remains constant across all trials.
d. There can only be two outcomes, a success and a failure: In a binomial distribution, each trial can have only two possible outcomes. These outcomes are typically labeled as "success" and "failure," although they can represent any two mutually exclusive events. The probability of success is denoted as "p," and the probability of failure is denoted as "q," where q = 1 - p.
g. The probability of success, p, is constant from trial to trial: In a binomial distribution, the probability of success (p) remains constant throughout all trials. This means that the likelihood of the desired outcome occurring remains the same for each trial. The constant probability ensures consistency in the distribution.
The remaining options, c, e, and f, are not conditions necessary for a binomial distribution. Option c, "Continue sampling until you get a success," suggests a different type of distribution where the number of trials is not predetermined. Options e and f, "You must have at least 10 successes and 10 failures" and "The population must be at least 10x larger than the sample," are not specific conditions for a binomial distribution. The number of successes or failures and the size of the population relative to the sample size are not inherent requirements for a binomial distribution.
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(1) A pizza restaurant had 3/5 of a gallon of pizza sauce left at the end of the evening and
divided it equally among 6 pizzas. How much sauce did they put on each pizza?
Answer:
The pizza restaurant put 1/10 of the sauce on each pizza.
Step-by-step explanation:
Take the 3/5, and on a calculator divide the 3 by the 5:
0.6
Then, take the 0.6 and divide it by the 6 pizzas:
0.1, converted into a fraction equals 1/10.
The pizza restaurant put 1/10 of the sauce on each pizza.
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if xx is measured in meters and f(x)f(x) is measured in newtons, what are the units for ∫1000f(x)dx?∫0100f(x)dx? a. newton/meter b. meter c. newton d. newton-meter
The units for the given integral is newton-meter. The correct answer is D.
To determine the units for the given integrals, we need to consider the units of the integrand and the variable of integration.
In this case, the integrand is f(x), which is measured in newtons. The variable of integration is x, which is measured in meters.
Let's analyze each integral separately:
∫[1,000] f(x) dx
The units of f(x) are newtons, and the units of dx are meters. Therefore, the units of the integrand are newtons, and the units of the variable of integration are meters.
So, the units of the integral are newtons times meters, which can be written as newton-meter (N·m) or joules (J).
∫[0,100] f(x) dx
Again, the units of f(x) are newtons, and the units of dx are meters. The units of the integrand are newtons, and the units of the variable of integration are meters.
Hence, the units of the integral are newtons times meters, which is newton-meter (N·m) or joules (J).
Therefore, the units for both ∫[1,000] f(x) dx and ∫[0,100] f(x) dx are newton-meter (N·m) or joules (J).
The correct option is d. newton-meter.
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A survey of 250 memorabilia collectors showed the following results: 108 collected baseball cards 92 collected comic books 62 collected stamps, 29 collected baseball cards and comic books 5 collected baseball cards and stamps 2 collected comic books and stamps 2 collected all three types a. How many collected comic books, but neither baseball cards nor stamps? b. How many collected baseball cards and stamps but not comics? c. How many collected baseball cards or stamps but not comics? d. How many collected none of the memorabilia? e. How many collected at least one type?
a. The number of collectors who collected comic books but neither baseball cards nor stamps can be calculated by subtracting the number of collectors who collected both baseball cards and comic books (29), collected both baseball cards and stamps (5), and collected all three types (2) from the total number of collectors who collected comic books (92).
92 - 29 - 5 - 2 = 56
Therefore, 56 collectors collected comic books but neither baseball cards nor stamps.
b. The number of collectors who collected baseball cards and stamps but not comics can be calculated by subtracting the number of collectors who collected all three types (2) from the total number of collectors who collected baseball cards and stamps.
5 - 2 = 3
Therefore, 3 collectors collected baseball cards and stamps but not comics.
c. The number of collectors who collected baseball cards or stamps but not comics can be calculated by adding the number of collectors who collected baseball cards only (108) and the number of collectors who collected stamps only (62), and then subtracting the number of collectors who collected all three types (2).
108 + 62 - 2 = 168
Therefore, 168 collectors collected baseball cards or stamps but not comics.
d. The number of collectors who collected none of the memorabilia can be calculated by subtracting the number of collectors who collected at least one type (250 - 2) from the total number of collectors.
250 - (250 - 2) = 2
Therefore, 2 collectors collected none of the memorabilia.
e. The number of collectors who collected at least one type can be calculated by subtracting the number of collectors who collected none of the memorabilia (2) from the total number of collectors.
250 - 2 = 248
Therefore, 248 collectors collected at least one type of memorabilia.
In conclusion,
a. 56 collectors collected comic books but neither baseball cards nor stamps.
b. 3 collectors collected baseball cards and stamps but not comics.
c. 168 collectors collected baseball cards or stamps but not comics.
d. 2 collectors collected none of the memorabilia.
e. 248 collectors collected at least one type of memorabilia.
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PLS HELP. WILL MARK BRAINLIEST IF CORRECT! Is the first step in solving x-1 squared=8 different from the first step of solving x squared-1=8? Explain
A. Yes, in the first equation, start by subtracting 8 from both sides to set the equation equal to zero, but in the second equation, start by adding 1 to both sides to isolate the radical.
B. Yes, in the first equation, start by squaring both sides to eliminate the radical, but in the second equation, start by adding 1 to both sides to isolate the radical.
C. No, to solve either equation, square both sides to eliminate all radicals.
D. No, to solve either equation, isolate the radical by adding 1 to both sides.
Answer:
B.
Step-by-step explanation:
First Equation. (x - 1)² = 8
1. (x - 1) = √8
2. x - 1 + 1 = 2√3 + 1
3. x = 2√3 + 1
3.
Second Equation. x² - 1 = 8
1. x² - 1 + 1 = 8 + 1
2. x² = 9
3. x = ±3
Answer:
Its B.
Step-by-step explanation:
I just got it correct on edge :)
Given the following formula, solve for a. 8=a+b+c/2
Making "a" the subject of the formula would give us: a = 8 - b - c/2
How to Solve for the Subject of Formula?Given the formula, 8 = a+b+c/2, to make a the subject of the formula, we would isolate a in the equation.
8 = a+b+c/2
8 = (2a + 2b + c)/2
2(8) = 2a + 2b + c
16 = 2a + 2b + c
16 - 2b - c = 2a
Divide both sides by 2
16/2 - 2b/2 - c/2 = 2a/2
8 - b - c/2 = a
a = 8 - b - c/2
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if 26 children were to be born in a hospital on a given day, how many combinations of 6 boys and 20 girls would exist? 230,230 4 x 10^26 500,000 15 Z
The number of combinations of 6 boys and 20 girls that can exist among 26 children born in a hospital on a given day is 230,230.
]To calculate the number of combinations, we can use the concept of binomial coefficients. The formula for calculating the number of combinations is C(n, k) = n! / (k!(n-k)!), where n is the total number of objects and k is the number of objects we want to select.
In this case, we have 26 children in total, and we want to select 6 boys and 20 girls. Plugging these values into the formula, we get C(26, 6) = 26! / (6!(26-6)!) = 230,230. Therefore, there are 230,230 different combinations of 6 boys and 20 girls that can exist among the 26 children born in the hospital on that given day.
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solve system of equations:
4x + 3y = 10
3x + y = 15
Answer:
x= 7 y= -6
Step-by-step explanation:
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A factory made 817.7 ounces of noodles in 6.5 minutes. How much noodles did it make in each minute?
The factory makes 125.8 ounces of noodles in each minute.
The factory made 817.7 ounces of noodles in 6.5 minutes .
This simply means for every 6.5 minutes the factory made 817.7 ounces of
noodles.
Therefore,
The amount of noodles the factory made in each minute can be calculated as follows using rate:
What is rate:Rate is the ratio of 2 quantities with different units.
Therefore,
rate = amount made(ounces) / time taken
amount made(ounces) = 817.7 ounces
time taken = 6.5 minutes
rate = 817.7 / 6.5
rate = 125.8 ounces per minute
Therefore, the factory makes 125.8 ounces of noodles in each minute.
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x = what? (giving brainliest and thanks)
Answer:
x=12
Step-by-step explanation:
Which fraction is equivalent to 6/8?
Answer:
3/4
Step-by-step explanation:
Using budget data, what was the total expected cost per Unit if all manufacturing and shipping overhead (both variable and fixed) were allocated to planned production? What was the actual cost per unit of production and shipping? (See above calculations.) Budget Actual Unit Variable Cost $202.06 Unit Fixed Cost $3.65 Cost per Unit $205.71
The actual cost data, it is not possible to calculate the actual cost per unit of production and shipping.
Based on the given budget data, the total expected cost per unit would be $205.71 if all manufacturing and shipping overhead costs were allocated to planned production. This cost per unit includes both variable and fixed costs, with variable costs per unit being $202.06 and fixed costs per unit being $3.65.
However, the actual cost per unit of production and shipping might have differed from the budgeted cost per unit due to various factors such as unexpected changes in production volume, changes in input costs, etc.
The actual cost per unit can be calculated by subtracting the actual fixed costs from the total actual costs and then dividing by the actual number of units produced and shipped.
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