Answer:
conan gray
Step-by-step explanation:
Answer:
Daisy- Ashnniko & Mr. Perfectly Fine- Taylor Swift
Step-by-step explanation:
calcular el número de lados de aquel poligono cuyo número de diagonales.
What is the area?
6 mi
4 mi
square miles
Answer:
12 sq mi
Step-by-step explanation:
base times height divided by 2
Answer:
12
Step-by-step explanation:
Formula for area of a triangle = length X width ÷ 2
so the equation would be (6 X 4) ÷ 2
which equals (24) ÷ 2
which is 12.
So the answer is 12
Determite weather the ordered pair is a solution of the linear equation x=y+1/2;(-5,-2)
Answer:
(y+1/2 ; y)
Step-by-step explanation:
hello : all ordered pair is a solution of the linear equation x=y+1/2;(-5,-2) is :
(y+1/2 ; y)
(-5 ; -2) is not solution because y = -2 but -2+1/2 = -3/2 no -5
A wedding website states that the average cost of a wedding is $25,809. One concerned bride hopes that the average is less than reported. To see if her hope is correct, she surveys 46 recently married couples and finds that the average cost of weddings in the sample was $24,638. Assuming that the population standard deviation is $5531, is there sufficient evidence to support the bride’s hope at the 0.10 level of significance?
Step 1 of 3 : State the null and alternative hypotheses for the test. Fill in the blank below.
H0Ha: μ=25,809: μ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯25,809
Step 2 of 3 : Find the test statistic
Step 3 of 3 : What is the conclusion?
Answer:
1)
Null hypothesis H₀ : μ = 25,809
Alternative hypothesis H₁ : μ < 25,809
2) Test Statistic = -1.44
3) Conclusion:
The result is significant, there is sufficient evidence to support the bride’s hope at the 0.10 level of significance.
Step-by-step explanation:
Given the data in the question;
Sample mean x" = 24,638
sample size n = 46
standard deviation σ = 5531
level of significance ∝ = 0.10
NULL and ALTERNATIVE HYPOTHESIS
Null hypothesis H₀ : μ = 25,809
Alternative hypothesis H₁ : μ < 25,809
TEST STATISTICS
Z = (x"-μ) / σ√n
we substitute
Z = (24,638 - 25,809) / (5531/√46)
Z = -1171 / 815.5
Z = -1.44
Test Statistic = -1.44
Now, from normal z-table;
P-value = P( Z < -1.44 ) = 0.0749
P-value = 0.0749
Since P-value ( 0.0749 ) is less than level of significance ( 0.10 ), we reject H₀.
Conclusion:
The result is significant, there is sufficient evidence to support the bride’s hope at the 0.10 level of significance.
A scientist was in a submarine below sea level, studying ocean life. Over the next ten minutes, she descended 75.3 feet. How many feet had she been below sea level, if she was 154.6 feet below sea level after she descended?
A random sample of 8 Samsung Galaxy smartphones being sold over the Internet in 2013 had the following prices, in dollars:
249 349 299 249 149 135
199169
Assume the population standard deviation is alpha = 85.
If appropriate, construct a 99.5% confidence interval for the mean price for all phones of this type being sold on the Internet in 2013.
Answer:
The 99.5% confidence interval for the mean price for all phones of this type being sold on the Internet in 2013 is between $140.39 and $309.11
Step-by-step explanation:
Sample mean:
Sum of all values divided by the number of values. So
[tex]S_{m} = \frac{249+349+299+249+149+135+199+169}{8} = 224.75[/tex]
Confidence interval:
We have the standard deviation for the population, so the z-distribution is used.
We have that to find our [tex]\alpha[/tex] level, that is the subtraction of 1 by the confidence interval divided by 2. So:
[tex]\alpha = \frac{1 - 0.995}{2} = 0.0025[/tex]
Now, we have to find z in the Ztable as such z has a pvalue of [tex]1 - \alpha[/tex].
That is z with a pvalue of [tex]1 - 0.0025 = 0.9975[/tex], so Z = 2.807.
Now, find the margin of error M as such
[tex]M = z\frac{\sigma}{\sqrt{n}}[/tex]
In which [tex]\sigma[/tex] is the standard deviation of the population and n is the size of the sample.
[tex]M = 2.807\frac{85}{\sqrt{8}} = 84.36[/tex]
The lower end of the interval is the sample mean subtracted by M. So it is 224.75 - 84.36 = $140.39
The upper end of the interval is the sample mean added to M. So it is 224.75 + 84.36 = $309.11
The 99.5% confidence interval for the mean price for all phones of this type being sold on the Internet in 2013 is between $140.39 and $309.11
moby max help help help help
1. In order to draw a straight vertical line segment that is 4 units long, which point must be connected to (1, 2)?
A. (7,2)
B) (5,2)
C. (2,7)
D. (1,6)
Answer:
D. (1,6)
Step-by-step explanation:
Vertical line segment:
A vertical line segment has fixed x coordinate.
In this question:
Vertical line segment that is 4 units long and is connected to (1,2).
The x-coordinate is x = 1.
The y-coordinate can be y = 2 - 4 = -2 or y = 2 + 4 = 6.
(1,6) is one of the options, so the correct answer is given by option D.
NEED HELP QUICK PLEASE HELP
Answer:135
Step-by-step explanation:
[tex]area \: = {135}cm^{2} [/tex]
Step-by-step explanation:
[tex] \: from \: the \: diagram \: we \: have \: 3\: retangles \: \\ [/tex]
area of rectangle = L×B 1 rectangle = 3×2=62 rectangular = 4×2 =8
3 rectangle = (13-2) × (7+4)
= 11×11 =121
total area = 6+8+121=135
An account earns simple interest.
$1675 at 4.6% for 4 years
a. Find the interest earned.
$
b. Find the balance of the account.
$
a. The interest earned is $307.40.
b. The balance of the account after 4 years is $1982.40.
What is simple interest?Simple interest is a type of interest that is calculated only on the principal amount of a loan or investment. It is a fixed percentage of the principal amount that is added to the loan or investment balance over a specified period of time.The formula for simple interest is:
I = P * r * t
What is principal?In finance, the term "principal" usually refers to the initial amount of money that is borrowed or invested, excluding any interest or other fees that may be added on later.
In the given question,
a. To find the interest earned, we can use the formula:
Interest = Principal x Rate x Time
where Principal is the initial amount of money, Rate is the interest rate, and Time is the duration of the investment. Plugging in the given values, we get:
Interest = $1675 x 0.046 x 4
Interest = $307.40
Therefore, the interest earned is $307.40.
b. To find the balance of the account, we simply add the interest earned to the initial amount:
Balance = Principal + Interest
Balance = $1675 + $307.40
Balance = $1982.40
Therefore, the balance of the account after 4 years is $1982.40.
To know more simple interest, visit:
https://brainly.com/question/30824126
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1
What is the measure of A?
The measure of A is: 78°
PLEASE HELP ASAP! Identify the shape that can be formed using the following net.
9514 1404 393
Answer:
A
Step-by-step explanation:
The only answer choice with 2 triangular faces and 3 rectangular faces is A, the triangular prism.
Answer:
A
Step-by-step explanation:
Write the equation for the circle with center (2, 4) and radius 7 in standard form
Answer:
Step-by-step explanation:
Let's get the equation first and then look at the circle when it has been graphed.
(x - 2)^2 + (y - 4)^2 = 7^2
(x - 2)^2 + (y - 4)^2 = 49
You will notice that the center of the circle has been marked and it is at (2,4) just as the question required.Another point has been added. It is at (2,11).It is the radius of the circle11 - 4 = 7 which is the radius that has been requestedWhich of the following is an equation of the line that has a slope of - 3 and passes through the point (-6, 2)?
Answer:
y = -3x - 16
Step-by-step explanation:
m = -3 ; (-6 , 2)
Slope point form : y - y1 = m(x -x1)
y - 2 = -3(x - [-6])
y - 2 = -3(x + 6)
y -2 = -3x + 6*(-3)
y - 2 = -3x - 18
y = -3x - 18 + 2
y = -3x - 16
WHICH HAT HELP THANK YOU WHICH HAT HELP THANK YOU
Answer:
They're both cool but I personally like the first one better lol
The Family Fine Arts Center charges $ 22 per adult and $ 14 per child under 12
years old for its performances. On a recent weekend evening when 551 people
paid admission, the total receipts were $ 9290. How many who paid were
children under 12 years old?
Let A = number of adult tickets, let C = number of child tickets
1. Using the variables A and C, write a system of linear equations that reflect the
above problem.
2. Solve the system of equations for both A and C.
3. How many tickets sold were for children under 12?
Answer:
197 adult tickets and 354 child tickets were sold for the event.
Step-by-step explanation:
Given that the Family Fine Arts Center charges $ 22 per adult and $ 14 per child under 12 years old for its performances, and on a recent weekend evening when 551 people paid admission, the total receipts were $ 9290, to determine how many who paid were children under 12 years old the following calculation must be performed:
22 - 14 = 8
551 x 14 = 7.714
9,290 - 7,714 = 1,576
1,576 / 8 = 197
551 - 197 = 354
197 x 22 + 354 x 14 = X
4.334 + 4.956 = X
Therefore, 197 adult tickets and 354 child tickets were sold for the event.
need help w/ this
can someone tell me the answer and explain it? will give out 25pts
Answer:
Step-by-step explanation:
bro this is easy work the answer is C
Help please I need the answer please don’t give link
Answer:
10 and 12
Step-by-step explanation:
the LCM of 10 and 12 is 60
10 and 12 have 2 as the least common factor between them
In the song, 25 percent of the class weighed less than 6 pounds, 1 ounce at birth. 6 pounds, 1 ounce is the
Answer:
Step-by-step explanation:
A
For the considered case, the weight 6 pound 1 ounce will be taken as : Option C: Lower quartile.
What are quartiles?When we get data which can be compared relatively with each other, for finding quartiles, we arrange them in ascending or descending order.
Quartiles are then selected as 3 points such that they create four groups in the data, each groups approximately possessing 25% of the data.
Lower quartile, also called first quartile has approx 25% in its left partition, and on its right lies approx 75% of the data.
Similarly, second quartile (also called median) is approximately in mid of the data.
Third quartile (also called upper quartile) has approx 75% in its left partition, and on its right lies approx 25% of the data.
Left to right is said in assumption that data was arranged increasingly from left to right
For this case, it is said that 25% of the class weighted less than 6 pounds 1 ounce. That means it is first quartile or say lower quartile.
Thus, for the considered case, the weight 6 pound 1 ounce will be taken as : Option C: Lower quartile.
Learn more about quartiles here:
https://brainly.com/question/9260741
5. Solve the following system using Gauss-Jordan Elimination. Indicate all row
operations and show all steps.
3x + 4y + 2z = 3
4x – 2y - 8z = -4
x + y - z= 3
Answer:
(-3,4,-2)
Step-by-step explanation:
Answer:
x=0
Step-by-step explanation:
ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP
Answer:
if I am wrong in any number please tell me but later because my mum if she finds me here I'll be in big trouble I have to go wash utensils I'll help you with the otherquestion later good day.
Answer: the person above me is correct
Step-by-step explanation:
According to the eScience Lab Manual for Lab 1, Experiment 3, you need to prepare 65 ml of 60% soda/syrup prescription. To do this you can use the 80% soda solution and the syrup solution (0% strength) that you have in inventory. How many mls of soda solution do you need to create this final solution?
Answer:
16.25 mL
Step-by-step explanation:
Since we are mixing from the syrup in the inventory, we can say that the syrup in the inventory must be equal to that in the final solution. Thus, we will use the dilution equation to solve for the Initial volume;
Dilution equation is;
V₁C₁ = V₂C₂
Where;
V₁ is initial volume
C₁ is initial concentration or initial molarity
V₂ is final volume
C₂ is final concentration of final molarity
We are given;
C₁ = 80% = 0.8
C₂ = 60% = 0.6
V₂ = 65 mL
Making V₁ the subject in the dilution equation, we have;
V₁ = (V₂C₂)/C₁
V₁ = (65 × 0.6)/0.8
V₁ = 48.75 mL of inventory syrup
Since we have 48.75 mL of inventory syrup and the dilute solution is 65 ml, then the volume of soda solution required = 65mL - 48.75 mL = 16.25 mL
Convert the following equation into
slope-intercept form.
x + y = -1
y = [? ]x+[ ]
Enter
What is the area of the polygon below?
Answer:
area = 24 units squared
Step-by-step explanation:
area = 1/2 (base 1 + base 2) x height
area = 1/2 (4 + 8) x 4
area = 1/2 (12) x 4
area = 6 x 4
area = 24
-2, 6, -18, 54: Write an explicate formula for this sequence
Answer:
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Step-by-step explanation:
Four high school students are working on a math problem to find the solution to (2x - 3)² = 255. Each student got a different answer. The four answers were 4,6,8, and 9. Which of these number make the equation true?
Answer:
9
Step-by-step explanation:
[tex]15^{2} =255[/tex]
(2*9)-3
18-3=15
I need help with this!
9514 1404 393
Answer:
see attached
Step-by-step explanation:
12. The first attachment has the rate of change on each interval. (It is listed at the end of the interval.) It is computed by dividing the difference in length by the corresponding difference in months. The units of rate of change are inches per month.
The baby was growing fastest in the first 3 months.
__
13. The first attachment has the rate of change on each interval. It is computed by dividing the difference in height by the corresponding difference in seconds. The units of rate of change are meters per second. A negative number indicates the elevator is going down.
The second attachment shows a graph of the distance versus time.
_____
I find it convenient to let a spreadsheet do repetitive calculations. I can enter the formula once and copy it where needed. I don't have to worry about the accuracy of the arithmetic, and the result can be formatted to suit the problem requirements. (The basics of most spreadsheet programs can be learned in a few minutes.)
What are the new vertices of quadrilateral ABCD if the quadrilateral is reflected across the x-axis?
Question 12 options:
A)
A′ = (–5,–4), B′ = (–5,2), C′ = (–1,5), D′ = (–1,–2)
B)
A′ = (–4,–5), B′ = (2,–5), C′ = (5,–1), D′ = (–2,–1)
C)
A′ = (4,5), B′ = (–2,5), C′ = (–5,1), D′ = (2,1)
D)
A′ = (4,–5), B′ = (–2,–5), C′ = (–5,–1), D′ = (2,–1)
Answer:
C.
Step-by-step explanation:
a. These triangles are proportional. Identify which sides match up between the two triangles. Please note sides are named from point to point so for instance the length 40 on triangle ABC is referred to as side AB. Make sure to identify all three pairs. b. Set up fractions with your side pairs to show proportionality. Do they all simplify down to the same fraction? If not please go back to Part A and remember that shapes can be rotated or reflected. Make sure to show your work demonstrating that the fractions are proportional. c. Are the triangles similar? If so explain why. If not, explain why not. Your work from Part A & B may help with this.
Answer:
a)ab and yz, ac and xy, bc and xz
b)yz = xy = xz 30 = 37.5 = 45 3 = 3 = 3
ab ac bc 40 50 60 4 4 4
c)they are similar because all sides break down to ¾
Step-by-step explanation: this is what i did on my test
What expression is equivalent to 3/5
Answer:
9/15
Step-by-step explanation: