Answer:
Is this question in Spanish
C=85x+60
Solve the equation for x
Answer:
( C - 60)/ 85 = x
Step-by-step explanation:
C=85x+60
subtract 60 from each side
C-60=85x+60-60
C - 60 = 85x
Divide each side by 85
( C - 60)/ 85 = 85x/85
( C - 60)/ 85 = x
find the product what is -2.8(-1.7)
Product of the given expression -2.8 (-1.7) is equal to 4.76.
As given in the question,
Given expression is equal to :
-2.8 (-1.7)
There are two numbers -2.8 and -1.7.
Both the numbers are negative.
Multiply negative to a negative number is positive number.
Result of -2.8 and -1.7 is positive number.
Required product of the given expression is equal to :
-2.8 (-1.7)
= (-1) × (2.8) × (-1) × (1.7)
Multiply (-1) to (-1) is equal to positive (1) :
= 2.8 × 1.7
= 4.76
Therefore, product of the given expression -2.8 (-1.7) is equal to 4.76.
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Someone help me please
All the correct values that make the given inequality true are,
⇒ d = - 24, - 23, - 21, - 19, - 14
What is Inequality?A relation by which we can compare two or more mathematical expression is called an inequality.
We have to given that;
The inequality is,
⇒ 3d ≥ - 72
Now, We can solve as;
⇒ 3d ≥ - 72
Divide by 3 both side,
⇒ d ≥ - 72/3
⇒ d ≥ - 24
Thus, All the correct values that make the given inequality true are,
⇒ d = - 24, - 23, - 21, - 19, - 14
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12. Which of the following is a solution to the differential equation y" - 4y = 0? (A) y = 2e (C) y = sin(2x) (B) y = e? (D) y = cos(2x)
The only function that satisfies the differential equation is :
(D) y = cos(2x).
The given differential equation is y'' - 4y = 0. In order to find a solution to the differential equation follow the given steps:
Step 1: Find the second derivative y'' for each function.
(A) y = 2e
-> y'' = 0
(B) y = e^x
-> y'' = e^x
(C) y = sin(2x)
-> y' = 2cos(2x)
-> y'' = -4sin(2x)
(D) y = cos(2x)
-> y' = -2sin(2x)
-> y'' = -4cos(2x)
Step 2: Substitute each y'' and y back into the differential equation y'' - 4y = 0 to check which one satisfies the equation.
(A) 0 - 4(2e) = -8e ≠ 0
(B) e^x - 4(e^x) = -3e^x ≠ 0
(C) -4sin(2x) - 4sin(2x) = -8sin(2x) ≠ 0
(D) -4cos(2x) - 4(cos(2x)) = -8cos(2x) + 8cos(2x) = 0
The only function that satisfies the differential equation is (D) y = cos(2x).
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PLEASE HELP ME ASAP!!!! simplify to create an equivalent expression. 5+7(8r-2) A: 56r+3 B: 56r+9 C: 8r-9 D: 56r-9
Answer:
56r-9
Step-by-step explanation:
5+7(8r-2)
5+56r-14
56r-9
Someone please help me
Answer:
9&3
Step-by-step explanation:
I went and used the internet.....
3. Marlene's meal at KFC costs there was a 10% service $110. How much will she pay altogether if charge and a 9% government tax on bills?
Marlene will have to pay a Total of $131.89 if there is a 9% government tax on bills.
Marlene had a meal at KFC which cost her $110, and there was an additional 10% service charge. We have to determine the total cost of her meal, including the 9% government tax on bills. To find out the total cost of the meal, we'll use the following steps:
Step 1: Calculate the service charge service Charge = 10% of $110Service Charge = (10/100) × $110Service Charge = $11
Step 2: Calculate the subtotal Subtotal = Cost of meal + Service charge Subtotal = $110 + $11Subtotal = $121
Step 3: Calculate the government tax Government Tax = 9% of Subtotal Government Tax = (9/100) × $121Government Tax = $10.89
Step 4: Calculate the total cost Total Cost = Subtotal + Government Tax Total Cost = $121 + $10.89Total Cost = $131.89
Therefore, Marlene will have to pay a total of $131.89 if there is a 9% government tax on bills.
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a card is drawn from a standard deck of 52 playing cards. what is the probability that the card will be a spade or a club? express your answer as a fraction or a decimal number rounded to four decimal places.
The probability that the card will be a spade or a club 50%
Probability in math is referred as how likely an event is to occur, or how likely it is that a proposition is true.
Here we have given that a card is drawn from a standard deck of 52 playing cards.
And we need to find the probability that the card will be a spade or a club and we have to express your answer as a fraction or a decimal number rounded to four decimal places.
While we looking into the given question, we have identified the the total number of cards is 52.
And the number of spade cards = 13 and the number of club cards = 13
Therefore, the total number of spade and club cards
=> 13 + 13
=> 26
Therefore, the probability of getting a spade or a club from a single draw is,
=> 26/52
When we simplified this one, then we get,
=> 0.5
When we convert this into percentage then we get
=> 50%.
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5. In which of the following ways are linear systems similar to quadratic systems? Select all that apply. (3 poir
Both can be solved by graphing.
Both can have two solutions.
O Both can be solved by substitution.
O Both have solutions at the points of inters
The ways in which the linear systems are similar to quadratic systems includes:
A) Both can be solved by graphingC) Both can be solved by substitutionD) Both have solutions at the points of intersection.What are linear and quadratic system?The linear system means the model based on the use of a linear operator and, they exhibit features and properties that are much simpler than the nonlinear case. The quadratic system of equations consists of only quadratic equations.
The linear & quadratic systems are solved by graphing and substitution. In the linear systems, we get the lines and in quadratic systems, we get curves. In conclusion, the point of intersection of two lines or curves are the solutions of the respectively system.
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help
2(-2/3)+1/6
________
( -2/3)²
Solve this fraction pls this is rational fractions so step by step thanks and pls fast
Answer:
-21/8 = -2\(\frac{5}{8}\)
Step-by-step explanation:
This one is hard, but I gave it a shot! Hopefully, the problem you wrote is:
(2(-\(\frac{2}{3}\)) + \(\frac{1}{6}\))) / (-\(\frac{2}{3}\))² ??
(2(-\(\frac{2}{3}\)) + \(\frac{1}{6}\))) / (-\(\frac{2}{3}\))² = (-4/3 + 1/6) / 4/9 = (-8/6 + 1/6) / 4/9 = (-7/6) / (4/9) =
(-7/6)(9/4) = -63/24 = -21/8 = -2\(\frac{5}{8}\)
You bought a Boston Whaler in 2004 for $12,500. The boat's value depreciates by 7% a year. How
much is the boat worth in 2022?
Answer: if the boat costs 12,500 and raises by 7 percent a year.
Step-by-step explanation:
7 percent of 12,500 is 875 and if it kept raising for 18 years we would multiply 875 X 18 which equals 15750 and then we would add the original which would give us 28250$
so the answer is 28250$
a function y(t) satisfies the differential equation. what are the constant solutions of this equation?
The constant solutions of the differential equation are any values of y(t) that do not change over time, i.e. y(t) = c, where c is a constant.
The constant solutions of the differential equation are any values of y(t) that do not change over time, i.e. y(t) = c, where c is a constant.
Given a differential equation of y(t), the constant solutions are any values of y(t) that do not change over time. This means that the values of y(t) must remain constant, i.e. y(t) = c, where c is a constant. This means that the constant solutions of the differential equation are any values of y(t) that do not change over time, i.e. y(t) = c, where c is a constant.
The constant solutions of the differential equation are any values of y(t) that do not change over time, i.e. y(t) = c, where c is a constant.
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A survey asked college students the number of week days they go to a live class on campus, # of days in class (x) 0 1 2 3 4 5 (P(x) 0.34 0.22 0.22 0.10 0.08 0.04 What is the probability a student attends a live class at least 2 days a week? What is the probability a student attends a live class less than 2 days a week?
The probability that a student attends a live class at least 2 days a week is 0.58 and the probability that a student attends a live class less than 2 days a week is 0.56.
To find the probability that a student attends a live class at least 2 days a week, we need to add up the probabilities of attending class for 2, 3, 4, and 5 days. This is because attending 0 or 1 day a week means attending less than 2 days, so we need to exclude those probabilities.
P(attending at least 2 days) = P(x = 2) + P(x = 3) + P(x = 4) + P(x = 5)
= 0.22 + 0.22 + 0.10 + 0.04
= 0.58
Therefore, the probability that a student attends a live class at least 2 days a week is 0.58.
To find the probability that a student attends a live class less than 2 days a week, we need to add up the probabilities of attending 0 or 1 day a week.
P(attending less than 2 days) = P(x = 0) + P(x = 1)
= 0.34 + 0.22
= 0.56
Therefore, the probability that a student attends a live class less than 2 days a week is 0.56.
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Evaluate the expression if m = −4, n = 1, p = 2, q = −6, r = 5, and t = −2.
||16+4(3q+p)||
The value of the given expression for p = 2 and q = −6 is -24.
The given expression is 16+4(3q+p).
We need to evaluate the expression for p = 2 and q = −6.
What is the value of the expression?The value of a mathematical expression is the result of the computation described by this expression when the variables and constants in it are assigned values. The value of a function, given the value(s) assigned to its argument(s), is the quantity assumed by the function for these argument values.
Now, put p = 2 and q = −6 in the given expression and simplify:
That is, 16+4(3(2)+(-6))
=16+4(6-16)
=16+4(-10)
=16-40
=-24
Therefore, the value of the given expression for p = 2 and q = −6 is -24.
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Consider an argument in which the authors use statistics about population and rates of homelessness to help prove their point that the increasing population of a city has contributed to rising homelessness. What kinds of persuasive appeals are these authors using
The authors who use statistics about population and rates of homelessness to help prove their point that the increasing population of a city has contributed to rising homelessness are using logos (logical appeal) as a persuasive appeal.
What is logos? Logos is an appeal to reason that is based on logic or reason. A claim, evidence, and a conclusion are all needed in a logical argument. Logos is a logical appeal that helps to persuade a reader or listener using facts, statistics, and reasoning. It is also a persuasive appeal that helps a speaker or writer to convince their audience of the truth or validity of their argument.
The logos appeal is the most effective tool to use when the audience is educated and seeks logical reasons for believing or doing something. In the given scenario, the authors used the statistical data to back their claims, which is a method of logical persuasion or appeal. This is because the information they present is based on evidence and data, which makes it more persuasive to their readers.
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Max bought three items for $18.95 each and two items for $26.71 each. How much change would he get from $500 ?
Answer:
$389.73 in change
Step-by-step explanation
500-( (18.95 x 3)+(26.71 x 2) )=
500-(56.85+53.42)=
500-110.27=
389.73
a palisade cell is observed under a microscope. The length of the cell is 8 micrometers. 1 micrometer is ten thousandths of a centimeter. The researcher draws a scale drawing. The length of the scale drawing is 4cm. Calculate the ratio scale for the actual size to the scale drawing. PLEASE HELP I NEED IT RIGHT NOW THANKSSS
a. 1 : 50000
b. 1 : 5000
c. 2 : 1
d. 1 : 32000
Ten thousandths of a centimeter (1 micrometer) equals 4 centimeters, hence the real size to scale drawing ratio is 1: 32000.
what is ratio ?In economics, ratios display how rarely one number has been contained in another. For instance, if there's 8 oranges and 6 grapes in a fruit arrangement, this same ratio of mangoes to lemons is 8 to 6. In a similarly, oranges and whole fruit ratio is 8 to 1, although lemons to tangerines ratio is 6 to 8. A ratio would be a non-zero ordered pair consecutive numbers, a and b, that is stated as a / b. A ratio is an equation that joins two ratios. The number can be written as 1:3, meaning that if there is 1 lad and 3 girls (she has 3 girls for every boy), 3/4 of the demographic is female and 1/4 is male.
given
The cell is 8 micrometers long.
Ten thousandths of a centimeter (1 micrometer) equals 4 cm in the scale drawing.
ratio scale = 1/1000*8*4
= 1/32000
Ten thousandths of a centimeter (1 micrometer) equals 4 centimeters, hence the real size to scale drawing ratio is 1: 32000.
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Del sells his goods for £54.60 making a 9% loss how much did he pay for the good when he bought them?
Answer:
£54.65
Step-by-step explanation:
Del sells his goods for £54.60 making a 9% loss how much did he pay for the good when he bought them?
We are to find the cost price.
Loss = Cost price - Selling price
Percentage loss =
(Cost price - Selling price/Cost price) × 100
Percentage loss = 9% = 0.09
Selling price = £54.60
Cost price = x
Hence:
0.09 = x - £54.60/x × 100
0.09 = 100(x - £54.60)/x
Cross Multiply
0.09x = 100(x - £54.60)
0.09x = 100x - 5460
100x - 0.09x = 5450
99.91x = 54.50
x = 5460 / 99.91
x = 54.649184266
Approximately, x = £54.65
Therefore, the cost price = £54.65
Jen has 3 bags of pears. Each bag has 5 pears. If Jen gives the same number of pears to 4 friends, how many pairs will each friend get?
Answer:
3 pears each
Step-by-step explanation:
3 bags of pears
5 pears in each
1=5
2=5
3=5
thats 15 pears
15/4=3.75 (so its just 3)
The number of pears each friend get will be 3.75 pears for each friend.
What is Algebra?The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
It is also known as the product. If the object n is given to m times then we just simply multiply them.
Jen has 3 bags of pears. Each bag has 5 pears. Then the total number of the pears will be given by the multiplication of the numbers 3 and 5.
Total pears = 3 x 5
Total pears = 15 pears
If Jen gives the same number of pears to 4 friends.
Then the number of pears each friend gets will be
⇒ 15 / 4
⇒ 3.75 pears for each friend
Thus, the number of pears each friend get will be 3.75 pears for each friend.
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The sum of two numbers is 21 . One number is 12 more than the other one. Find the numbers.
Answer:
4.5 and 16.5
Step-by-step explanation:
4 + 16 = 20
5 + 17 = 22
(NUMBERS HAVE TO BE BETWEEN 4 - 5 AND 16 - 17)
4.5 + 16.5 = 21
16.5 - 12 = 4.5
La edad de maria es el triple de la edad de juan. En 7 años mas la ssuma de sus edades sera de 46 años. La suma de las edades actuales de juan y maria es
Answer:
The sum of the present age of Juan and Maria is 32 years.
Step-by-step explanation:
Maria's age is three times Juan's age. In 7 years the sum of their ages will be 46 years. The sum of the current ages of Juan and Maria is
Let the Juan's present age is p.
Maria's present age is 3 p.
After 7 years,
Juan's age = p + 7
Maria's age = 3 p + 7
According to the question
p + 7 + 3 p + 7 = 46
4 p + 14 = 46
4 p = 32
p = 8
So, the present age of Juan is 8 years and Maria is 24 years, the sum is 8 + 24 = 32.
Help me please rjdjfhdhdbdbdbdbdb
Answer:
\(1609.1 m^{3}\)
Step-by-step explanation:
The area of a triangle is 1/2 base * height.
The base of one side is 13, and the height is 30.
30 * 13 = 390
390 / 2 = 195
Now, there are six of these triangle faces, so multiply that number by six.
195 * 6 = 1170
Now, just add the area of the base:
1170 + 439.1 = 1609.1
been working on this for a while and can’t figure it out, can someone help?
Answer:
x = 24 4/5
Step-by-step explanation:
Simply reverse this - add 20 to 4, and 3/5 to 1/5, and you have X.
Which statement proves that ____
Answer:
the question is incomplete
Plz help me plz
I will give brainliest
Answer:
3 i think
Step-by-step explanation:
I divided 1/8 and four
Answer: 24/192. She would replace the water with 8 cups of salt
Step-by-step explanation:
PLS HELP, KINDA CONFUSED!!! :D
Answer:
\(d=4\sqrt{5}\approx8.94\)
Step-by-step explanation:
To find the distance between any two points, we can use the distance formula:
\(d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2\)
Let (-1, -2) be (x₁, y₁) and let (-9, 2) be (x₂, y₂).
Substitute appropriately:
\(d=\sqrt{(-9-(-1))^2+(2-(-2))^2\)
Evaluate:
\(d=\sqrt{(-8)^2+(4)^2\)
Square and evaluate:
\(d=\sqrt{64+16}=\sqrt{80}=4\sqrt{5}\approx8.94\)
Therefore, the distance between the two points is approximately 8.94 units.
After a hike, a group of students equally share 5 boxes of granola bars. Each box has 8 granola bars. Which algebraic expression represents this situation?
A. (5 × 8) ÷ s
B. 5 × (8 ÷ s)
C. s × (5 + 8)
D. (s + 5) × 8
please rn i need my grade up thank you
Answer:
Its A
Step-by-step explanation:
Its basically saying that there are 40 granola bars split up by s which are the students.
Answer:
A.(5×8)÷s is the correct answer.
Step-by-step explanation:
5 group boxes of granola bars equally share each box has 8 pieces of granola bars.So u will find the no.of student which s as the substitute no. of student.
Find the maximum rate of change of f at the given point and the direction in which it occurs. f(x, y) = sin(xy), (8,0)
The maximum rate of change of the function f at (8,0) is 8 and the direction is ĵ.
What is function?
In mathematics, a function can be defined as a relation between a set of inputs having one output each. In simple manner, a function is a relationship between inputs where each input is related to exactly one output. In every function there has a domain and codomain or range.
Given function is f(x, y) = sin(xy)
The maximum rate of change f(x, y) occurs in the direction of gradient of the function f which can be estimated as follows:
∇f(x, y)=[ ∂/∂x f(x, y)î + ∂/∂y f(x, y)ĵ]
∇f(x, y)=[ ∂/∂x (sinxy)î + ∂/∂y (sinxy) ĵ] -------(1)
The partial derivative
∂/∂x (sinxy)= (cos xy) ∂/∂x(xy)
= y cos (xy)
and the partial derivative
∂/∂x (sinxy)= (cos xy) ∂/∂y(xy)
= x cos (xy)
putting these values in equation (1) we get,
∇f(x, y)=[ y cos(xy)î + x cos(xy) ĵ]
∇f(8, 0)=[ 0 + 8 ĵ] [ since cos 0= 1]
Now,
| ∇f(8, 0) | = | 0 + 8 ĵ |
= \(\sqrt{(0^{2} + 8^{2}) }\)
= 8
Hence, the maximum rate of change of the function f at (8,0) is 8 and the direction is ĵ.
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91) __________ involves the analysis of accumulated data and involves a __________. a) OLAP, database b) OLAP, data warehouse c) OLTP, database d) OLTP, data warehouse
OLAP is used for the analysis of accumulated data, and it requires a data warehouse.
while OLTP is used for transaction processing and requires a database optimized for real-time transaction processing. The analysis of accumulated data is known as Online Analytical Processing (OLAP), and it involves a data warehouse. OLAP is a business intelligence tool used for multi-dimensional analysis of large data sets, while a data warehouse is a central repository that stores historical and current data from multiple sources in a structured manner. OLAP allows users to perform complex queries on large data sets, analyze trends, and make informed business decisions. It is often used in data mining and decision support systems. OLAP tools can be used to slice and dice data, drill down to more detailed data, and roll up to higher levels of summary data. OLAP is primarily used for analytical purposes and is not designed for transaction processing. On the other hand, a data warehouse is designed to support OLAP and is used for storing large amounts of historical data that can be queried and analyzed. Data is extracted from various sources, transformed, and loaded into the data warehouse in a structured format, enabling efficient querying and analysis. OLTP (Online Transaction Processing), on the other hand, is a type of transaction processing that is designed for processing real-time transactions in databases. It is used for day-to-day operations such as order processing, inventory management, and customer management. OLTP is optimized for processing large volumes of transactions in real-time, and is not suitable for analytical purposes.
In summary, OLAP is used for the analysis of accumulated data, and it requires a data warehouse, while OLTP is used for transaction processing and requires a database optimized for real-time transaction processing.
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.
what are some fractions that are greater than 3/10?