Answer: x=−4
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need help
Evaluate each expression
Hey there!
|h - j|
= |-12 - 4|
= -12 - 4
= |-16|
= 16
Therefore, your answer is: 16
Good luck on your assignment and enjoy your day!
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HELP!!!!! Please. I really need it.
Let's call the price of the motorcycle "x".
We know that Lenny paid 12.5% in tax, which is the same as 0.125 as a decimal.
To find out how much tax Lenny paid, we can multiply the price of the motorcycle by 0.125:
0.125x = $1437.50
Now we can solve for x by dividing both sides by 0.125:
x = $11,500
Therefore, the price of the motorcycle, not including tax, was $11,500.
Answer:
Your question is:
1437.5 is 12.5% of what number?
1437.5 = 0.125x
x = 1437.5/.125 = $11,500
Therefore, the answer is $11,500!
Step-by-step explanation:
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Factor 5x2 + 7x + 2 completely (SHOW WORK)
please help me <3
A researcher is looking at the effect of drinking alcohol on the ability to play darts. He recruits 20 dart players from the nearby pub and has them come to a lab where he flips a coin for each player. If the coin comes up heads, he has the player drink a pint of beer. If the coin comes up tails, he has the player drink a pint of soda. Each player then throws three darts at a dartboard and the score is recorded. The researcher calculates that the soda-drinkers score, on average, 2.5 points more than the beer-drinkers.
The paragraph above describes a/an _____________.The participants who drink beer are th_____________, the participants who drink soda are the _____________. Flipping a coin to decide which player gets which drink is an example of _____________.
The paragraph above describes a randomized experiment.
In this study, a researcher wanted to examine the effect of drinking on the ability to play darts.
To test this, he conducts a randomized experiment.
A randomized experiment is a study where researchers randomly allocate participants to groups, to ensure that each person has an equal chance of being assigned to each group.
In the experiment, the researcher randomly assigned 20 dart players to groups by flipping a coin for each player.
Summary: The paragraph above describes a randomized experiment. The participants who drink beer are the experimental group, the participants who drink soda are the control group. Flipping a coin to decide which player gets which drink is an example of random assignment.
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Define :-
a). Monomial
b). Binomial
c). trinomial
A expression having only one term is called monomial.
\(Eg:- 3x, { - 4y}^{2} , \frac{3}{2} yz \)
b). BinomialA expression having two terms is called Binomial.
\(Eg: 2x - 3y \: , {4x}^{2} + 5zx\)
c). trinomialA expression having three terms is called trinomial.
\(Eg: - 3p + 5q - \frac{2}{5} pq\)
A mother is 25 years older than her daughter If the daughter's age is x years? (a) Express the mother's age in terms of x (b) Find x when the daughter's is one third of her mother's age
a) The linear equation is:
y = 25 + x
b) When the daughter's is one third of her mother's age we will have x = 12.5
How to express the mother's age in terms of x?We know that the mother is 25 years older than the daughter, so, if the daughter's age is x, the mother's age can be defined as the linear equation:
y = 25 + x
b) When the daughter's age is one third of her mother's, we have:
x = (1/3)*y
3x = y
Replacing that in the equation above we will get:
3x = 25 + x
3x - x = 25
2x = 25
x = 25/2 = 12.5
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The contents of bottles of water follow a normal distribution with standard deviation of 4 ml. What proportion of bottles have fill volumes within 1 ml of the mean?
Approximately 68% of bottles have fill volumes within 1 ml of the mean. This is because in a normal distribution, about 68% of the data falls within one standard deviation of the mean, and the standard deviation in this case is 4 ml. So, within 1 ml of the mean, we can expect a similar proportion of bottles.
In a normal distribution, the data is symmetrically distributed around the mean. The standard deviation tells us the average amount of variation from the mean. In this case, the standard deviation is 4 ml, which means that about 68% of the data falls within one standard deviation of the mean, both above and below it. Since we're interested in bottles with fill volumes within 1 ml of the mean, which is a range of two standard deviations, we can expect a similar proportion of bottles, approximately 68%, to fall within that range.
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find h(7) if h(x)=-7x-3
Answer:
h(7) = -52
Step-by-step explanation:
To get our answer, we must first set up the equation by plugging the value of 7 into x.
h(7) = -7(7) - 3
Following the order of operations, we multiply the number inside the parentheses by the number outside of it first.
-7 × 7 = -49
That leaves us with h(7) = -49 - 3
Now we subtract what's left to find our answer.
-49 - 3 = -52
h(7) = -52
plz hurry i need this
Answer:
no solution
Step-by-step explanation:
- 27 does not = -8 so there is no solution for the equation
If the solution is not correct then there is no solution
What is the volume of the rectangular prism??
The volume of rectangular prism is 0.625 cm^3.
the volume of rectangular prism=w*h*l
w=1.5cm h=1/4 cm l=5/3cm
volume = 1.5*1/4*5/3
=0.625cm^3
The volume of a rectangular prism is 0.625 cm^3.
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Find 85 - 72 x 4 ÷ 2 (13 - 11)
Answer:
13
Step-by-step explanation:
using BODMAS
13-11=2
SO 2*2=4
4/4=1
1*72=72
THEREFORE it is 85-72 =13
chris has been given a list of bands and asked to place a vote. his vote must have the names of his favorite and second favorite bands from the list. how many different votes are possible?
There are nC2 different votes possible, where n is the number of bands on the list and nC2 represents the number of ways to choose 2 bands out of n.
To calculate nC2, we can use the formula for combinations, which is given by n! / (2! * (n-2)!), where ! represents factorial.
Let's say there are m bands on the list. The number of ways to choose 2 bands out of m can be calculated as m! / (2! * (m-2)!). Simplifying this expression further, we get m * (m-1) / 2.
Therefore, the number of different votes possible is m * (m-1) / 2.
In the given scenario, we don't have the specific number of bands on the list, so we cannot provide an exact number of different votes. However, you can calculate it by substituting the appropriate value of m into the formula m * (m-1) / 2.
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In a class of students, the following data table summarizes how many students play
an instrument or a sport. What is the probability that a student chosen randomly
from the class plays a sport?
Plays a sport
Does not play a sport
Plays an instrument Does not play an instrument
3
8
10
9
Answer:
3 OR 8 hope this helps!
Step-by-step explanation:
A bakery offers 4 different flavors of cake, 3 types of icing, 6 toppings, and 3 different sizes. If one option is chosen from each list, how many different cakes are possible? *
Answer:
216 different cakes are possible.
Step-by-step explanation:
Given that a bakery offers 4 different flavors of cake, 3 types of icing, 6 toppings, and 3 different sizes, if one option is chosen from each list, to determine how many different cakes are possible the following calculation must be performed:
4 x 3 x 6 x 3 = X
12 x 18 = X
216 = X
Therefore, 216 different cakes are possible.
Suppose that 24 inches of wire costs 72 cents. At the same rate, how much (in cents) will 49 inches of wire cost?
Answer:
147 cents
Step-by-step explanation:
If 24 inches of wire cost 72 cents then each inch cost 3 cents. 49*3=147
9. What is the slope of the graph of y= 12 x - 19?
12
Explanation:
Slope Intercept form is: y=mx+b
m would be the slope
So in y=12x-19, 12 would be the slope in this case.
\(\huge\mathfrak\purple{please \: solve..} \\ \\ \huge\mathfrak\red{2 {}^{2} + 4 {}^{2} = } \\ \\ \huge\mathfrak\green{asap \: and \: thanks}\)
Answer:
2²4
4²=16
4+16=20
hope it helps :)
Rita discovered that a lab thermometer in her Chemistry class is not accurate. She created the table to show the relationship between x, the thermometer’s temperature reading, and y, the actual temperature. Which equation represents the relationship between x and y shown in the table?
A. y=x+1
B. y=-x
C. y=4x
D.y=x+4
Answer:
D. y=x+4Step-by-step explanation:
According to given table, we can see each line has relationship:
x - y = -4Convert this into equation of the line:
y = x + 4Correct choice is D
PLS HELP PLS PLS PLS For #1-2, determine if the sequence is arithmetic or geometric. Then find its common difference or ratio.
1.
1/2, 1, 2, 4…
2. -5, 1, 7, 13 …
Answer:
#1 is Geometric
the common ratio is 2
#2 is Arithmetic
the common difference is 6
When identifying with the parts of the packaged data model that apply to your organization, you should first start with:
When identifying the parts of a packaged data model that apply to your organization, you should first start with understanding your Organization's specific needs and requirements.
This involves the following steps:
1. Assess your organization's business processes and goals, which helps in identifying key areas where data modeling can enhance decision-making and performance.
2. Analyze existing data sources and systems to understand the current data landscape, including its structure, relationships, and data quality.
3. Identify the critical data elements that align with your organization's needs, such as customer information, sales data, or financial data. These elements form the foundation of your data model.
4. Determine the relevant industry-standard data models or frameworks that can serve as a starting point for your organization's data model. This may include industry-specific models or general models applicable to a variety of businesses.
5. Evaluate the suitability of the selected packaged data model for your organization by comparing its features, flexibility, and scalability with your specific requirements.
6. Customize the chosen data model to fit your organization's unique processes, data structures, and business rules, ensuring that it accurately represents your data environment.
7. Implement and maintain the data model, regularly updating it to reflect changes in your organization's processes, data sources, or business objectives.
By following these steps, you will effectively identify and apply the parts of a packaged data model that best suit your organization's needs, enabling improved decision-making and performance.
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geometry unit exam a garden wall is 4 feet in height and has a 6-foot shadow. a tree in the garden casts a 24-foot shadow at the same time of day. what is the height of the tree?
The height of the tree is 16 feet if it casts a 24 feet shadow at the same time of the day when 4 feet wall casts a 6-foot shadow.
The shadows at the same time of the day can be compared for the garden wall and a tree as follows;
tree shadow / tree height = wall shadow / wall height
As the height of the wall is given to be 4 feet and it has a 6-foot shadow, and the tree casts a 24-foot shadow, substituting these values in the equation;
24 / x = 6 / 4
Here x represents the height of the tree
Solving for x;
24 / x = 1.5
24 = 1.5 x
x = 24 / 1.5
x = 16
Therefore the height of the tree is calculated to be 16 feet.
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The height of the tree is 16 feet when it casts a 24 feet shadow at the same time of the day when 4 feet wall casts a 6-foot shadow.
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
The shadows at the same time of the day can be compared for the garden wall and a tree is given by;
tree shadow / tree height = wall shadow / wall height
Since we know that the height of the wall is given to be 4 feet and it has a 6-foot shadow, and the tree casts a 24-foot shadow, substituting these values in the equation;
24 / x = 6 / 4
Here x represents the height of the tree
Solving for x,
24 / x = 1.5
24 = 1.5 x
x = 24 / 1.5
x = 16
Therefore, the height of the tree is calculated to be 16 feet.
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In the expression 30+40+70, Jillian added 30 and 40 and then 70, while Samuel added 30 and 70 and then 40. Who is correct? Explain your reasoning
As per the mathematical operation both Jillian and Samuel are correct.
Given expression = 30+40+70,
The methodology by Jillian = added 30 and 40 and then 70
The methodology by Samuel = added 30 and 70 and then 40.
Determining the result of the given equation:
30 + 40 + 70
= 140
Reviewing the operations of both Jillian and Samuel
Jillian
He added 30 and 40 and then 70:
30 + 40 = 70
70 + 70 = 140
Samuel
He added 30 and 70 and then 40
30 + 70 = 100
100 + 40 = 140
The result of both mathematical operations is 140. Thus, it can be stated that both are correct.
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\(\huge \dag \sf{Answer \: it}\)
\(solve \: for \: x \\ \\ {2}^{ {x}^{2} } 2 \frac{3x \sqrt{3} }{2} = 8 \)
Don't spam and Don't copy.
Need answer with explanation
Don't answer if you don't know
Best of luck guys
Answer:
Answer: x = √3 and 8/(3√3)
Step-by-step explanation:
\({ \rm{({2}^{ {x}^{2} } )(2 \frac{3x \sqrt{3} }{2}) = 8}}\)
• For the first bracket:
\({ \rm{ {2}^{ {x}^{2} } = 8}} \\ \\ { \rm{ {2}^{ {x}^{2} } = {2}^{3} }} \\ \\ { \rm{ {x}^{2} = 3}} \\ \\ { \rm{x = \pm \sqrt{3} }}\)
• For the second bracket;
\({ \rm{ 2 \frac{3x \sqrt{3} }{2} = 8}} \\ \\ { \rm{3x \sqrt{3} = 8 }} \\ \\ { \rm{3x = \frac{8}{ \sqrt{3} } }} \\ \\ { \rm{x = \frac{8}{3 \sqrt{3} } }}\)
A sandwich shop serves 4 ounces of meat and 3 ounces of cheese on each sandwich. After making sandwiches for and hour the shop owner has used 91 combined ounces of meat and cheese. How many ounces of meat were used?
The number of ounces of meat were used is 52 ounces.
Given that, a sandwich shop serves 4 ounces of meat and 3 ounces of cheese on each sandwich.
What is the unitary method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
There are 7 ounces of combined meat and cheese in each sandwich (4+3 =7)
Number of sandwiches can make with 91 ounce of meat and cheese
= 91/7
= 13 sandwiches
Number of ounces of meat = 13 × 4 = 52 ounces
Number of ounces of cheese = 13 × 3 = 39 ounces
Therefore, the number of ounces of meat were used is 52 ounces.
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17 = r + 10 pls help quick from 11:27 to 12:30
Answer:
r=7
Step-by-step explanation:
solve the inequality for u
70 > 3u+13
Answer:
u<19
Step-by-step explanation:
70 > 3u+13
you subtract 13 to both sides
which will give you 57
then you divide 3 and 57
leaving you of with 19
so your answer will be u<19
True or false? I need help.
Answer:
21. T
22. T
23. F
24. F
25. T
Leshawn has $580 in a savings account that pays 3% interest.
How much interest will be earned in 5 years?
How much interest will be earned in 6 months?
Answer:
For 5 years $87
For 6 months $8.7
Step-by-step explanation:
To calculate the interests, we use the simple interest formula
Mathematically;
I = PRT/100
where P is the amount invested called the principal = $580
R is the rate = 3%
Time differs which may be 5 years or 6 months according to the question.
kindly note that 6 months is 0.5 year
For 5 years, we have
I = (580 * 3 * 5)/100 = $87
For 6 months, we have;
I = (580 * 3 * 0.5)/100 = $8.7
You buy a backpack for $34. 82. The tax is 9. 25%. What is the final cost?
The cost of the backpack is $34.82 and the tax is 9.25%.
To find the final cost, we need to add the cost of the backpack and the tax.
First, we can calculate the amount of tax by multiplying the cost of the backpack by the tax rate:
Tax = $34.82 x 0.0925 = $3.22 (rounded to two decimal places)
Next, we can add the cost of the backpack and the tax to get the final cost:
Final cost = Cost of backpack + Tax = $34.82 + $3.22 = $38.04
Therefore, the final cost of the backpack, including tax, is $38.04.
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Find tan R pleaseee I will give branliest