Answers
As per the graph, the line passes through coordinates - (1,0) and (0,3)
Since the line passes through both these coordinates, these are the solutions of the equation.
For Option b, 6x + 2y = 6,
If (1,0) is the solution of 6x + 2y = 6, then
⇒ 6(1) + 2(0) = 6
⇒ 6 + 0 = 6
⇒ 6 = 6
If (0,3) is the solution of 6x + 2y = 6, then
⇒ 6(0) + 2(3) = 6
⇒ 0 + 6 = 6
⇒ 6 = 6
Since, these two are solutions of this equation, hence the equation of the given line is: 6x + 2y = 6
What are Coordinates?Coordinates are a pair of numbers that identify a specific point on a coordinate plane, which is a grid of integers. A point in a plane has specific coordinates, as we are aware. Any point's location on a plane can be described by an ordered pair of values (x, y), which are referred to as coordinates. In our daily lives, we employ coordinates for things like map locations and in-class seating arrangements.The cartesian coordinate system is used to find a point's location in a plane.The idea of two mutually perpendicular axes is used to represent a point's coordinate.To learn more about Coordinates, refer to:
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Related Questions
The builder of a parking garage wants to build a ramp at an angle of 16 degrees covers a horizontal span of 55 feet. How long will the actual ramp be? Round yoursolution to four decimal places.
Answers
Let's draw the ramp to better understand the problem:
For us to be able to determine how long the ramp will be, we will be using the Cosine Function.
We get,
[tex]\text{ Cosine }\Theta\text{ = }\frac{\text{ b}}{\text{c}}[/tex][tex]Cosine(16^{\circ})\text{ = }\frac{55}{x}[/tex][tex]x\text{ = }\frac{55}{Cosine(16^{\circ})\text{ }}[/tex][tex]\text{ x = }\frac{55}{0.9612616959}[/tex][tex]x=57.216468974668940618504468175387[/tex][tex]\text{ x }\approx\text{ 57.2165 feet}[/tex]Therefore, the answer is 57.2165 feet.
Which is equivalent to multiplying a number by 10 to the power of 4
Answers
Answer: 10,000
Step-by-step explanation:
2) Create the first four terms based on the given recursive formulas below. Also determine if the
sequence you made is an arithmetic or geometric sequence:
G(1) = 18, G(n) = 2 · G(n − 1). H(1) = 3,H(n) = 5 · H(n − 1)
-
-
J(1) = 3, J(n) = J(n − 1) + 5 M(1) = 3, M(n) = 2 · (n − 1)
Answers
The first 4 terms of given recursive formulas will be as follows
G(n) = 18,36,72,144 (geometric sequence)H(n) = 3, 15, 75, 325 (geometric sequence)J(n) = 3, 8, 13, 18 (arithmetic sequence)M(n) = 3, 6, 12, 24 (geometric sequence)Recursive Expression:The recursive expression provides two pieces of information:
the first term in the sequence.
the pattern rule that takes each term from the previous term.
As we have G(1) = 18, G(n) = 2 · G(n − 1).
It's A geometric sequence with r as 2
∴ G(2) = 2 · G(2 − 1) = 2 · G(1) = 2(18) = 36.
∴ G(3) = 2 · G(3 − 1) = 2 · G(2) = 2(36) = 72.
∴ G(4) = 2 · G(4 − 1) = 2 · G(3) = 2(72) = 144.
As we have H(1) = 3, H(n) = 5 · H(n − 1).
It's A geometric sequence with r as 5
H(2) = 5 · H(2 − 1) = 5 . H(1) = 5(3) = 15.
H(3) = 5 · H(3 − 1) = 5 . H(2) = 5(15) = 75.
H(4) = 5 · H(4 − 1) = 5 . H(3) = 5(75) = 325.
As we have J(1) = 3, J(n) = J(n − 1) + 5
It's an arithmetic sequence with d as 5
J(2) = J(2 − 1) + 5 = J(1) + 5 = 3+5 = 8.
J(3) = J(3 − 1) + 5 = J(2) + 5 = 8+5 = 13.
J(4) = J(4 − 1) + 5 = J(3) + 5 = 13+5 = 18.
As we have M(1) = 3, M(n) = 2 · M(n − 1)
It's A geometric sequence with r as 2
M(2) = 2 · M(2 − 1) = 2 · M(1) = 2(3) = 6.
M(3) = 2 · M(3 - 1) = 2 · M(2) = 2(6) = 12.
M(4) = 2 · M(4 - 1) = 2 · M(3) = 2(12) = 24.
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3) A map of a rectangular park has a length of 4 inches and a width of 6 inches. It uses a scale of 1 inch for every 30 miles. What is the actual area of the park? Show how you know. (From Unit 1, Lesson 12)
Answers
Given:
Length of the park, l=4 inches
Width of the park, w=6 inches.
Here, 1 inch is equal to the 30 miles.
To find the actual area of the park:
Area of the park is, A=lw
That is,
[tex]\begin{gathered} A=4\times6 \\ =24\text{ inches} \end{gathered}[/tex]In miles,
[tex]\begin{gathered} A=24\times30 \\ =720\text{ miles} \end{gathered}[/tex]Hence, the area of the park in miles is 720 miles.
You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95%confidence intervals for the population mean Interpret the results and compare the widths of the confidence intervals. Ifconvenient, use technology to construct the confidence intervals.A random sample of 40 home theater systems has a mean price of $126.00. Assume the population standard deviation is$18.60Construct a 90% confidence interval for the population mean.
Answers
Solution
Given the following below
[tex]\begin{gathered} \bar{x}=\text{ \$126}.00 \\ n=40 \\ \sigma=\text{ \$18.60} \\ At\text{ 90\% the critical z is }\pm1.645 \end{gathered}[/tex]To find the 90% confidence interval, the formula is
[tex]\bar{x}\pm z\frac{\sigma}{\sqrt[]{n}}[/tex]Substituting values into the formula above
[tex]126\pm1.645\frac{18.6}{\sqrt[]{40}}[/tex]Solve the above
[tex]\begin{gathered} 126+_{}1.645\frac{18.6}{\sqrt[]{40}}=130.84\text{ (two decimal places)} \\ 126-1.645\frac{18.6}{\sqrt[]{40}}=121.16\text{ (two decimal place)} \end{gathered}[/tex]At 90% confidence interval, the population mean will be between 121.16 and 130.84 (121.16, 130.84)
Multiply.Simplify your answer as much as possible. 3v5 .6y.2y4v4
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Solution
[tex]3v^5(6y)2y^4v^4[/tex]For this case we can do the following:
[tex](3\cdot6)\cdot(v^{5+4})\cdot(y^{1+4})=18v^9y^5[/tex]And then the solution for this case would be:
18v^9 y^5
consider a right triangle with acute angle of measure 0 and cos 0 = 4/5 use Pythagorean identity to write an equation that can be used to find Sim 0 is ( + ( 4/5 = 1
Answers
3 What is the length of the missing leg? 15 m I meters
Answers
Answer
The length of the missing leg = 12 m
Explanation
The triangle presented is a right angled triangle because one of its angles is equal to 90 degrees.
The Pythagorean Theorem is used for right angled triangle, that is, triangles that have one of their angles equal to 90 degrees.
The side of the triangle that is directly opposite the right angle or 90 degrees is called the hypotenuse. It is normally the longest side of the right angle triangle.
The Pythagoras theorem thus states that the sum of the squares of each of the respective other sides of a right angled triangle is equal to the square of the hypotenuse. In mathematical terms, if the two other sides are a and b respectively,
a² + b² = (hyp)²
For this question,
Hypotenuse side = 15 m
a = 9 m
b = d = ?
a² + b² = (hyp)²
9² + d² = (15)²
81 + d² = 225
d² = 225 - 81
d² = 144
d = √144
d = 12 m
Hope this Helps!!!
Answer:
We'd use the pythagorean theorem to solve for the other leg's length. As the image suggests, we'd use the theorem,
[tex] {a}^{2} + {b}^{2} = {c}^{2} [/tex]
If one leg is 9 , that's our a value.
If the hypotenuse is 15 , that's our c value.
Now we just have to find the b value.
Plugging in the variables,
[tex] {9}^{2} + {b}^{2} = {15}^{2} [/tex]
[tex] {9}^{2} = 81 \\ {15}^{2} = 225 \\ 81 + {b}^{2} = 225[/tex]
Subtract 81 from both sides.
[tex] {b}^{2} = 144[/tex]
Square root both sides.
[tex] \sqrt{ {b}^{2} } = b \: and \: \sqrt{144 = 12 } [/tex]
so b = 12
help me with this question please
Answers
Answer: 56
To solve this problem, we will use the formula for Combination which goes by
[tex]_{}C(n,r)=^nC_r=_nC_r=\frac{n!}{r!(n-r)!}[/tex]From the problem, we know that:
n = 8
r = 3
Since there are a total of 8 different movie soundtracks and we only need 3.
Substituting it on the formula,
[tex]C(n,r)=\frac{n!}{r!(n-r)!}[/tex][tex]C(8,3)=\frac{8!}{3!(8-3)!}[/tex][tex]C(8,3)=56[/tex]Therefore, there are 56 possible selections of movie soundtracks at the music store.
Given the following frequency table of values, is the mean, median, or mode likely to be the best measure of the center for the data set?ValueFrequency271280290300310320330340350360370380391402411425432442453Select the correct answer below:ModeMeanMedian
Answers
The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. The median is the middle value when a data set is ordered from least to greatest. The mode is the number that occurs most often in a data set.
On the given dataset, if we ignore the outlier of the dataset, all those measures are going to be similar, but since we have a high frequency on the middle of our dataset and the presence of an outlier value, the most likely to describe the center of the dataset is the mode.
Which of the following are solutions to the equation below?
Check all that apply.
9x – 64 = 0
A. 8
B.
_ c.
C D.
3
F.
ო/დ
I
დო
3
J E. -8
დო
3
8
Answers
Answer:
C -8/3
F 8/3
Step-by-step explanation:
9x² - 64 = 0
==> 9x² = 64
==> x² = 64/9
x = ±√(64/9) = ±√64/√9 = ±8/3
Question
Marco is writing a coordinate proof involving a right isosceles triangle. Marco places his triangle on the coordinate plane such that the base of the triangle lies along the x-axis.
What coordinates should he assign to this third vertex of the isosceles triangle?
Responses
(2a, 2b)
begin ordered pair 2 a comma 2 b end ordered pair
(a, b)
begin ordered pair a comma b end ordered pair
(b, a)
begin ordered pair b comma a end ordered pair
(b, b)
Answers
Given: BC = EC, CA = CD Prove: BA= DE
PLEASE HELP ASP!
Answers
Answer:
hope it helps
Step-by-step explanation:
A triangular priam has the following dimensions: width is 5 mm base is15 mm. What additional dimensions are needed to find the surface area ofthe prism?
Answers
If we need to determine the surface area of a prims we would have to add the areas of each of the faces of the prism, therefore, we would also require to know the length of the prism.
Dilate the figure by the scale factor. Then enterthe new coordinates.A(1,3)B(4,2)K=3A’([?],[]).B'([10]C'([],[:]C(1,-3)Enter
Answers
The new coordinates after the dilation are as follows;
[tex]\begin{gathered} A^{\prime}\text{ (3,9)} \\ B^{\prime}\text{ (12,6)} \\ C^{\prime}\text{ (3,-9)} \end{gathered}[/tex]Here, we want to perform a dilation
Given a pre-image with coordinates (x,y) and a scale factor of k, the coordinates of the image will be;
[tex](x,y)\text{ = (kx,ky)}[/tex]Applying this to the given coordinates, we have;
[tex]\begin{gathered} A^{\prime}\text{ = }(3\times1,3\times3)\text{ = (3,9)} \\ B^{\prime}=\text{ (4}\times3,\text{ 2}\times3)\text{ = (12,6)} \\ C^{\prime}\text{ = (1}\times3,\text{ -3}\times3)\text{ = (3,-9)} \end{gathered}[/tex]i) Hence solve cosec 3y ÷ cot 3y + tan 3y = 0.5 for 0
[tex] \leqslant y \leqslant \pi \: radians \: giving \: your \: your \: am \\ answer \: in \: terms \: of \: \pi[/tex]
Answers
The value of y is π/9 or 7π/9 for the range 0 ≤ y ≤ π.
cosec 3y /( cot 3y + tan 3y) = 0.5
Trigonometry formula is:
cosec Ф = 1/ sin Ф
cot Ф = cos Ф/ sinФ
tan Ф = sinФ/ cos Ф
[tex]\frac{\frac{1}{sin 3y} }{\frac{cos 3y}{sin 3y} +\frac{sin 3y}{cos 3y} }[/tex] = 0.5
[tex]\frac{\frac{1}{sin 3y} }{\frac{cos 3y^{2} + sin 3y^{2} }{sin 3y cos 3y} }[/tex] = 0.5
sin² 3y + cos ² 3y = 1
1/ sin 3y × sin 3y cos 3y = 0.5
cos 3y = 0.5 = 1/2
cos π/ 3 = 1/2
For 0≤ y ≤π
0 ≤3y ≤ 3π
So 3y = 2kπ + π/3 , k = 0, 1
y = π/ 9 or 7π/ 9
Therefore the value of y is π/9 and 7π/ 9 for the given range.
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at this rate how many hours must Danielle babysit to earn $96
Answers
4 ---> 48
x ---> 96
[tex]\begin{gathered} 4\times96=x\times48 \\ 384=48x \\ \frac{384}{48}=\frac{48x}{48} \\ x=8 \end{gathered}[/tex]answer: 8 hours
HELP PLEASEEEEE!!!!!!
Answers
Negatives act the opposite for positives so be careful for this.
Marcia bought a dozen roses for $16.38 (including tax). If tax was 5%, what was the cost of the roses before tax?
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Tax amount = 5% of $16.38
[tex]\begin{gathered} =\frac{5}{100}\times16.38=0.819\approx0.82 \\ \text{The actual cost of the roses before tax = 16.38-0.82= \$15.56} \end{gathered}[/tex]This net represents an unfolded box. 4 in. 4x5=7 WXI- 2 sov 6 in. n 1 yo 10 in. sa 14 Sau What is the total surface area, in square inches, of this box?
Answers
The total surface area will be given by:
[tex]A=2A1+2A2+2A3[/tex]Where:
[tex]\begin{gathered} A1=40in^2 \\ A2=24in^2 \\ A3=6\cdot4=60in^2 \end{gathered}[/tex]Therefore:
[tex]\begin{gathered} A=2\left(40\right)+2\left(24\right)+2\left(60\right) \\ A=80+48+120 \\ A=248in^2 \end{gathered}[/tex]Answer:
248 in²
you are 37 years old and have accumulated $150,000 in your savings account. you intend to add a fixed amount each month for twenty years. for the first five (5) years you add $100 at the end of each month. then $ 200 at the end of the month for the remaining time. given that the account pays an interest rate of 6% per year compounded monthly, how much money will you have at age 58 in your savings account?
Answers
At age 58, the investor will have (Future Value) $571,816.64 in their savings account after accumulating $150,000 and then adding $100 monthly for five years and $200 monthly for fifteen years.
How is the future value at age 58 computed?The future value at age 58 can be computed in two tranches.
The first step is to compute the future value using the present value of the accumulated funds in addition to the periodic monthly investments.
The second step computes the future value using the present value of the funds after 5 years in addition to the periodic monthly savings.
Future Value at the end of the first 5 years:N (# of periods) = 60 months (5 x 12)
I/Y (Interest per year) = 6%
PV (Present Value) = $150,000
PMT (Periodic Payment) = $100
FV = $209,304.53
Sum of all periodic payments = $6,000 (60 x $100)
Total Interest = $53,304.53
Future Value at the end of the remaining years:N (# of periods) = 180 months (12 x 15 years)
I/Y (Interest per year) = 6%
PV (Present Value) = $209,304.53
PMT (Periodic Payment) = $200
Results:
Future Value (FV) = $571,816.64
Sum of all periodic payments = $36,000 ($200 x 180 months)
Total Interest = $326,512.11
Thus, you will have $571,816.64 as the future value in your savings account when you turn 58.
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69 billion and 580,000,000÷4,570,000=
Answers
69000000126.9
3. In television shows you may watch, scientists may patterns of data (growth of zombies, bacteria, etc). Below is a table that shows the number of zombies over a 4 day period. Days 0 1 2 3 4 # of zombies 2 8 32 128 512 *** a) What is the initial value? b) ** What is the growth/ decay factor?
Answers
We are given a table that shows the number of zombies over a 4 day period.
a) What is the initial value?
The initial value means an initial population that is the number of zombies at day 0
From the table, we see that the initial population is 2
Initial value = 2
b) What is the growth/decay factor?
The growth/decay factor can be found by finding the ratio of the consecutive terms
r = 512/128 = 4
r = 128/32 = 4
r = 32/8 = 4
r = 8/2 = 4
As you can see, we have got the same ratio.
Since the ratio is greater than 1 then it is a growth factor.
If it was less than 1 then it would have been a decay factor.
Therefore, the growth factor is 4
Initial value = 2
Growth factor = 4
what is 126945 rounded to the nearest hundred thousand
Answers
To the nearest hundred thousand, we must first determine the number in the hundred thousand position. This is the digit 1. Now consider the number next to it. This is 2. Since two is not up to 5, we would round off all other nuber to zero.
Hence to the nearest hundred thousand, 126,945 is 100,000
Step 2: In the question above, find (using the method of your choice—formula, or graphing calculator function, or Excel, or app) the value of the test statistic t, to two places after the decimal point.
Answers
From the question given,
The formula to find the test statistics mean is given below as,
[tex]t=\frac{\bar{x}-\mu}{\frac{\sigma}{\sqrt[]{n}}}[/tex]Where,
[tex]\begin{gathered} \bar{x}\text{ is the population mean} \\ \mu\text{ is the sample mean} \\ \sigma\text{ is the standard deviation } \\ n\text{ is the }sample\text{ size} \end{gathered}[/tex]Given the values of the above below,
[tex]\begin{gathered} \bar{x}=2.27\text{ mins} \\ \mu=2.98\text{ mins} \\ \sigma=0.98\text{ mins} \\ n=20 \end{gathered}[/tex]Substituting the values into the formula of test statistics t above,
[tex]\begin{gathered} t=\frac{\bar{x}-\mu}{\frac{\sigma}{\sqrt[]{n}}} \\ t=\frac{2.27-2.98}{\frac{0.98}{\sqrt[]{20}}}=\frac{-0.71}{\frac{0.98}{4.472}}=-\frac{0.71}{0.219}=-3.242 \\ t=-3.24\text{ (two decimal places)} \end{gathered}[/tex]Hence, the test statistics, t = -3.24 ( two decimal places)
III Comprehensive Mid term Review Part Question 2 of 60 (1 point) | Question Attempt: 1 of Unlimited 2 6 3 4 Convert 35°F to degrees Celsius. If necessary, round your answer to the nearest tenth of a degree. Here are the formulas. 5 C (F-32) 9 FC + 32 5 25 OF
Answers
Here, we want to make a unit conversion
Since we want to move from Fahrenheit to celsius, we are going to use the first formula
We simply are going to substitute the value of F = 35 into the equation
Thus, we have it that;
[tex]\begin{gathered} C\text{ = }\frac{5}{9}(35-32) \\ C\text{ = }\frac{5\times3}{9} \\ \\ C\text{ =}\frac{5}{3} \\ C\text{ = 1.7 deg celsius} \end{gathered}[/tex]Hey, I am looking for a answer to this, I need a simple answer! It is for 25 points! Please and thank you, enjoy your day!
Answers
if 2 blams equal 15 droms and 5 droms equals 28 klegs, how many klegs are in a blam?
Answers
2 blams ----------------- 15 droms
5 droms ----------------- 28 klegs
1 blam ------------------ ? klegs
5 droms ------------------- 28 klegs
15 droms -------------------- x
x = (15 x 28) / 5
x = 84 klegs
2 blams ------------------------- 84 klegs
1 blam --------------------------- ? klegs
x = (1 x 84)/2
x = 42 klegs
There are 42 klegs in 1 blam
write the word sentence as an equationa number w divided by 5 equals 6
Answers
a number : w
A number w divided by 5: w/5
equals (=) 6
[tex]\frac{w}{5}=6[/tex]The scatterplot shows the number of cars and trucks sold by 10 differentemployees at a car and truck dealership during a month.How many employees sold more trucks than cars?
Answers
Let's us tabulate the data that is on the scatterplot.
As you can see in the fourth column, "Sold More Trucks than Cars?", some rows say "Yes" and some say "No".
Let's take a look at Employee No.1. Employee No.1 sold 4 trucks and sold 2 cars. Therefore, employee no.1 was able to sell more trucks than cars and thus, the answer to the fourth column is "Yes."
The same is done for all the employees.
In the end, there are 6 employees who were able to sell more trucks than cars.