Answer:
-8/9
Step-by-step explanation:
my work is in the picture above. lmk if you'd like me to explain more
The slope of line [n] would be -8/9.
What is the general equation of a Straight line?
The general equation of a straight line is -
y = mx + c
where -
[m] → is slope of line which tells the unit rate of change of [y] with respect to [x].
[c] → is the y - intercept i.e. the point where the graph cuts the [y] axis.
Other possible equations of lines are -
(y - y₁) = m(x - x₁) {Point - slope form}(y - y₁) = (y₂ - y₁) × (x - x₁)/(x₂ - x₁) {Two point - slope form}x/a + y/b = 1 {intercept form}x cos(β) + y sin(β) = L {Normal form}We have line [m] passes through points (10, 10) and (2, 1).
We can write the equation of line [m] as follows.
slope of line [m] = a = (1 - 10)/(2 - 10) = -9/-8 = 9/8
a = 9/8
slope of line [n] -
m[n] x a = - 1
m[n] = -1/a
m[n] = -8/9
Therefore, the slope of line [n] would be -8/9.
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a three-digit number is chosen among all three-digit numbers. what is the probability that it will have distinct even digits?
The probability that it will have distinct even digits is 6/1000.
The first digit can take on 5 values (0,2,4,6,8).
The second digit could take on 4 values (one less than 5 to be unique).
The third digit could take on 3 values (two less than 5 to be unique).
So that makes,
N=5.4.3
N=60
P= 60/1000
P=3/50
So there are 60 unique three digit even numbers.
There are 1000 possible outcomes.
ABOUT PROBABILITYProbability and statistics are two fundamental concepts in mathematics. Probability is about the probability of an event, whereas statistics are about how different techniques are used to process different data.
Probability and statistics allow us to process complex data in a very understandable way.
Probability is one of the most popular topics in statistics. The reason is that this one theory is often used when trying to predict something. For example, figuring out what comes out of a random series of events. For simplicity, probability is also called chance or probability.
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Asap?
Robert wrote two patterns. Pattern 1 started at 2 and followed the rule "add 4." Pattern 2 started at 1 and followed the rule "add 3." Pattern 1 is represented by x-coordinates, and Pattern 2 is represented by y-coordinates. Which table shows the ordered pairs for these two patterns?
X Y
1 2
4 6
8 10
12 14
X Y
2 1
6 4
10 7
14 10
X Y
1 2
2 6
3 10
4 14
X Y
2 1
4 4
6 7
8 10
Answer:
the 2nd one lol
Step-by-step explanation:
Answer:
number 2ᕙ(@°▽°@)ᕗStep-by-step explanation:
a circular pool is surrounded by a brick walkway 3 m wide. find the ra- dius of the pool if the area of the walk- way is 198 m*.
The radius of the pool is 9.01 m.
Given,
In the question:
A circular pool is surrounded by a brick walkway 3 m wide.
The area of the walk- way is 198 m^2.
To find the Radius of the pool.
Now, According to the question:
"Area of the circle bounded by the outside edge of the walkway" minus "area of the pool" = "area of the walkway".
Let R = Radius of the pool
Area of the circle bounded by the outside edge of the walkway is:
\(\pi\)(R +3)^2
Area of the pool is:
\(\pi R^2\)
Now, Our equation is:;
\(\pi\)(R +3)^2 - \(\pi R^2\) = 198
\(\pi\)((R+3)^2 - \(R^2\)) = 198
Open the inner bracket :
\(\pi\)(\(R^2+6R+9-R^2\)) = 198
\(\pi\)(6R +9) = 198
6R+9 = 198/\(\pi\)
6R = 198/\(\pi\) - 9
R = (198/\(\pi\) - 9)/6
R = (198/(3.14) - 9)/6
R = (63.057 - 9)/6
R = 54.057/6
R = 9.01 meters
Hence, The radius of the pool is 9.01 m.
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The population of the state of Nebraska was about 1,937,552 people in 2020. Which number best approximates the population as a single digit times a power of 10? A. 2 x 100 B. 1x 106 C. 2x107 D. 1x 107. i need help
Answer:
A. 2 * 10^6
Step-by-step explanation:
A. 2 * 10^6 = 2 000 000
B. 1 * 10^6 = 1 000 000
C. 2 * 10^7 = 20 000 000
D. 1 * 10^7 = 10 000 000
Therefore, the answer A in standard form is the closest approximation of the population in the state of Nebraska.
Please Help! will Give Brainlest!
Answer:
tan ¤ = opp/adj
tan ¤ = 20/50
since opposite of the angle is 20, height of the tree is 20 feet.
Ans : D
Answer:
height : 20distance : 50Explanation:
\(\sf tan(x)= \dfrac{opposite}{adjacent}\)
\(\hookrightarrow \sf tan(x)= \dfrac{20}{50}\)
using the equation, we can identify that ↓opposite ( the height of the tree ) is 20adjacent ( the distance ) is 50The sum of two numbers is 21. 3/4of one of the numbers added to 2/3 of the other gives a sum of 15. Find the two numbers.
Answer:
First, We'll take two numbers as 'x' and 'y', and their sum is given as 21 i.e. x + y = 21 . 3/4th of 'x' and 2/3rd of 'y' when added gives 15 i.e.
(3/4)x + (2/3)y = 15. Now, we've got two equations and we'll solve them to get the value of x and y which will be the two numbers.
Step-by-step explanation:
let,
first number = x
second number = y
then , x + y = 21
according to the question,
(3/4)x + (2/3)y = 15
Now, solve these equations :
on solving, we get :
x = 12 & y = 9
Hence, the two numbers are 12 and 9.
1a. What is the 1st step?
1. 3V x + 2 = 12
Choose
Answer:
Subtract 2 from each side
Step-by-step explanation:
3x + 2 = 12
Subtract 2 from each side
3x+2-2 =12-2
3x = 10
Solve for x:
x - 6 = - 3x + 22
Plz I need this answer
Answer:
Your Answer is 7
Step-by-step explanation:
Very Simple!
x-6 = -3x + 22
Move the 6 over to the other side by adding 6 to both sides
x = -3x + 28
add 3x to both sides!
4x = 28
Divide by 4!
x = 28/4
x = 7!
Answer:
x=7
Step-by-step explanation
x-6 = -3x +22
+6 +6
x = -3x +28
+3x +3x
4x = 28
÷4. ÷4
x=7
Help and show work please!!
Answer:
Between 9 and 10
Step-by-step explanation:
I just multiplied 2/3 by 14
Does that help?
Answer:
C
Step-by-step explanation:
first do 14/1 times 2/3
it will be 28/3, then divide that
it should be 9.3 repeating
which is in the range of 9 and 10
Please help me I do not understand what to do or what the answer is.
Answer:
the slope is
2/3x+2
Hope This Helps!!!
How many solutions does this system have?
y = 7 – 4x
y = -2(2x + 4)
A. Infinitely many
B.1
C.2
D. No solution
Will give brainliest.
Answer:
D
Step-by-step explanation:
Solving this algebraically causes the x terms to cancel out so you cannot solve for x.
Graphically, the lines never intersect meaning that there are no real solutions.
Thirteen students in a statistics class were asked how many siblings they have. Their responses are listed below,
0, 1, 2, 3,3,3,3,3,3,3,5,5, 6
Which of the following is the five-number summary for the data?
O 0,3,3,3,6
O 0,3,3,4,6
O 0,2.5, 3, 3, 6
O 0,2.5, 3, 4,6
Answer:
c
Step-by-step explanation:
good luck
The five-number summary for the data set is= 0,2.5, 3, 4,6.
What is five-number summary?The five-number summary includes the following
The minimum: The minimum which is the smallest is 0.Q1 (the first quartile, or the 25% mark):(0, 1, 2, 3,3,3,)3,(3,3,3,5,5,6)
Q1 = 2+3/2 = 5/2 = 2.5
The median: The median is 3 which is the number at the middle after being arranged from the lowest to the highest number.Q3 (the third quartile, or the 75% mark):(0, 1, 2, 3,3,3,)3,(3,3,3,5,5,6)
3+5/2= 8/2 = 4
The maximum: The maximum number which is the highest number is 6.
Therefore, the five-number summary of the data set=
0,2.5, 3, 4,6.
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hiii please help i’ll give brainliest if
you give a correct answer and maybe explain thankss
Answer:
one mile would it take 4 minutes and Lynn would be able to ride 1/4 of a mile in one minute
complete the formula HCF or LCM
Answer:
highest common factor
lowest common multiple
Answer:
HCF:
Two or more numbers are expressed as the product of their prime factors. HCF = Product of the common prime factors with the lowest powers. Division Method: We use Euclid's Division Lemma( a = bq+ r.) to find the HCF of two numbers a and b. i.e. Dividend = Divisor × Quotient + Remainder.
LCM:
When two or more numbers have the same numbers as their multiples, these multiples are called common multiples. Out of all the common possible multiples the one that is least (smallest) and common for both the numbers, is said to be their least common multiple LCM. LCM Formula helps in calculating this least common multiple for numbers.LCM = (a × b)/HCF(a,b)
find the values, if any, of the boolean variable x that satisfy these equations. x .1=0
The value of the boolean variable x is 0
How to determine the value of x?The boolean equation is given as:
x . 1 = 0
The above means that:
x and 1 = 0
The law of the and operator is that;
The output is 0 if both inputs are different.
One of the inputs is 1.
So, the other input is 0
Hence, the value of x is 0
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what is the slope of a line perpendicular to the line whose equation is x+2y=8
Suppose you borrowed $45,000 at a rate of 8.5% and must repay it in 5 equal installments at the end of each of the next 5 years. By how much would you reduce the amount you owe in the first year? Select the correct answer. a. $7,594.46 b. $7,600.46 c. $7,618.46 d. $7,612.46 e. $7,606.46
The correct answer is option a. $7,594.46.
To calculate the amount you would reduce the amount you owe in the first year, we can use the formula for the equal installment of a loan. The formula is:
Installment = Principal / Number of Installments + (Principal - Total Repaid) * Interest Rate
In this case, the principal is $45,000, the number of installments is 5, and the interest rate is 8.5%.
Let's calculate the amount you would reduce the amount you owe in the first year:
Installment = $45,000 / 5 + ($45,000 - $0) * 0.085Installment = $9,000 + $3,825
Installment = $12,825
Therefore, you would reduce the amount you owe by $12,825 in the first year.The correct answer is option a. $7,594.46.
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Represent the
proportional relationship $2 for 5 ears of
corn and $4 for 10 ears of corn using
another representation.
The proportional relationship between the price and quantity of ears of corn can be represented using a table or a graph, showing how the price and quantity vary in a consistent manner.
One way to represent the proportional relationship between the price and quantity of ears of corn is by using a table:
Price (in dollars) Quantity (in ears of corn)
2 5
4 10
This table shows the corresponding values of the price and quantity.
As we can observe, when the price is $2, the quantity is 5 ears of corn, and when the price is $4, the quantity is 10 ears of corn.
The relationship is proportional because as the price doubles, the quantity also doubles.
Another representation of this proportional relationship is through a graph.
We can plot the points (2, 5) and (4, 10) on a coordinate plane, where the x-axis represents the price and the y-axis represents the quantity.
By connecting these two points with a straight line, we can visualize the proportional relationship.
The line will pass through the origin (0, 0) since zero price corresponds to zero quantity.
The slope of the line will indicate the rate of change between price and quantity.
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Identify key features of the following quadratic equation: -2x2 + 4x Determine the a, b, and c value of the equation
The a, b, and c value of the equation are a = -2, b = 4 and c = 0 and the domain is the set of all real values
Determining the a, b, and c value of the equationFrom the question, we have the following parameters that can be used in our computation:
y = -2x² + 4x
A quadratic function is represented as
y = ax² + bx + c
By comapring the equations, we have
a = -2, b = 4 and c = 0
For the key features
The domain of the function is the set of all real values
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A principal of $3200 is invested at 7.75% interest, compounded annually. How much will the investment be worth after 13 years?
\(~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$3200\\ r=rate\to 7.75\%\to \frac{7.75}{100}\dotfill &0.0775\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{annually, thus once} \end{array}\dotfill &1\\ t=years\dotfill &13 \end{cases} \\\\\\ A=3200\left(1+\frac{0.0775}{1}\right)^{1\cdot 13}\implies A=3200(1.0775)^{13}\implies A\approx 8444.51\)
If 2x = 60, find the value of 6 - 7x
Answer:
- 204
Step-by-step explanation:
2x = 60
x = 30
6 - 7(30) = -204
Answer:
-204
Step-by-step explanation:
Step 1- Solve for the value of x
2x = 60
Divide 60 by 2 so x is by its self
x = 30
Step 2- Plug in 30 for x in the second equation
6 - 7(30)
6 - 210
-204 is the answer
What is the value of the expression 1 2 3 4 5?
The value of the given and completed expression in this problem is
-1
What are combined operations?Combined operations are defined as a set of operations applied to the same problem, for example addition, subtraction, multiplication, are frequently used in arithmetic polynomials.
In this case we have an arithmetic polynomial.
We complete the expression as follows:
1 + 2 - 3 + 4 - 5
We group the positive terms on one side and negative terms on the other:
(1 + 2 + 4) - (3 + 5)7 - (8)-1The value of the expression (1 + 2 - 3 + 4 - 5) is -1
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does the point ( 2, 1 ) satisfy the equation y = 2x?
Answer:
No.
Step-by-step explanation:
Y=2x goes up twice and to the right once, it passes through the origin, therefore it won't touch or go pass by point (2,1)
Three partners in a business receive profits in the ratio 2 : 4 : 8. A fourth partner automatically receives $50,000 profit. The company during the year has a profit of $400,000. What are the amounts for the other three partners?
Please answer ASAP, whoever answers correctly will get BRAINLIEST!!!
The amounts for the other three partners are $25000, $100000, and $200000.
How to compute the value?The amount that the other people will share will be:
= $400000 - $50000
= $350000
Therefore this will be divided as follows:
A = 2/(2+4+8) × $350000
= 2/14 × $350000
= $25000
B = 4/14 × $350000
= $100000
C = 8/14 × $350000
= $200000
Therefore, the amounts for the other three partners are $25000, $100000, and $200000.
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One glass of lemonade uses cup of lemonade mix.
How many glasses of lemonade can Stephanie make with 3 cups of lemonade mix?
Answer:
3 glasses
Step-by-step explanation:
1 glass= 1 cup
3 cups= 3 glasses
Answer:
Step-by-step explanation:3 glasses
I don't know if it's supposed to do with (n-2)180
Also please explain :D
Step-by-step explanation:
\( sum \: of \: interior \\ \: angels \: is \: 2340 \: degrees. \\
(n−2)⋅180=2340 \\
180n - 360=2340 \\ 180n = 2700 \\
n=15 \\
number \: of \: sides=15\)
the polygon is 15 sided.
There are 32 vanilla cupcakes and 40 chocolate cupcakes at a bakery. All of the cupcakes must be placed in boxes with the same number of vanilla cupcakes and the same number of chocolate cupcakes in each box.
Answer:
5 to 4
Step-by-step explanation:
when it's asking for a ratio it's basically division
chocolate/vanilla = 40/32 = 5/4
5/4 is the same as 5:4 or 5 to 4
Brian was paid $75 for working 6 1/4 hours. How much money did he make per hour? Step by step explanation
Answer:
$12 per hour
Step-by-step explanation:
\(6\frac{1}{4}\) hours =6.25 hours
per hour payment=paid/hours=75/6.25=12
Suppose a company wants to introduce a new machine that will produce a marginal annual savings in dollars given by S '(x)= 175 - x^2, where x is the number of years of operation of the machine, while producing marginal annual costs in dollars of C'(x) = x^2 +11x. a. To maximize its net savings, for how many years should the company use this new machine? b. What are the net savings during the first year of use of the machine? c. What are the net savings over the period determined in part a?
a) To maximize its net savings, the company should use the new machine for 7 years. b) The net savings during the first year of use of the machine are $405 (rounded off to the nearest dollar). c) The net savings over the period determined in part a are $1,833.33 (rounded off to the nearest cent).
Step-by-step explanation: a) To determine for how many years should the company use the new machine to maximize its net savings, we need to find the value of x that maximizes the difference between the savings and the costs.To do this, we need to first calculate the net savings, N(x), which is given by:S'(x) - C'(x) = 175 - x² - (x² + 11x) = -2x² - 11x + 175To find the maximum value of N(x), we need to find the critical values, which are the values of x that make N'(x) = 0:N'(x) = -4x - 11 = 0 ⇒ x = -11/4The critical value x = -11/4 is not a valid solution because x represents the number of years of operation of the machine, which cannot be negative. (i.e., not use it at all).However, this answer does not make sense because the company would not introduce a new machine that it does not intend to use. Therefore, we need to examine the concavity of N(x) to see if there is a local maximum in the feasible interval.
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Use the equation to answer the question. -6(y+15) = -3y + 6. What value of y makes the equation true?
Answer:
The answer is -32
Step-by-step explanation: