Answer:
m=13
Step-by-step explanation:
11.50-5.00= 6.50
6.50 divided by .50
= 13 miles
m=13
Help me with this please
A common formula/theorem when working with right triangles is called the Pythagorean Theorem.
Pythagorean Theorem: a^2 + b^2 = c^2
---a and b are legs of the triangle
---c is the hypotenuse
8^2 + 6^2 = c^2
64 + 36 = c^2
100 = c^2
c = 10
Answer: The length of the hypotenuse of the triangle is 10cm.
Hope this helps!
A carton of grapefruit juice displays the nutritional information shown below. How many grams of sugar are there in a 200 ml glass of juice? Grapefruit juice 250 ml contains Carbohydrate Sugar Protein 19.5 g | 16.5 g | 1.5 g
Answer:
13.2 g
Step-by-step explanation:
let x = grams sugar in a 200 ml glass
16.5 g sugar / 250 ml = x g sugar / 200 ml
x(250) = (16.5)(200)
x = (16.5)(200) / (250) = 3300 / 250 = 13.2
Answer: there are 13.2 g sugar in a 200 ml glass of juice
PLEASE HELP ASAP
Apply the square root principle to solve (x-3)² + 9 = 0.
a. x=0,6
b. x=0,-6
c. x=-3+3i, -3 -3i
d. x=3+31,3-3i
The obtained value of x after solving the equation (x-3)² + 9 = 0 by the square root principle will be x=3+31,3-3i. Option d is correct.
What is the equation?An equation is a statement that two expressions, which include variables and/or numbers, are equal. In essence, equations are questions, and efforts to systematically find solutions to these questions have been the driving forces behind the creation of mathematics.
It is given that,
(x-3)² + 9 = 0
(x-3)²= -9
(x-3)=√-9
(x-3)=√9×√-1
(x-3)=±3i
x=3±3i
Thus, the obtained value of x after solving the equation (x-3)² + 9 = 0 by the square root principle will be x=3+31,3-3i. Option d is correct.
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you and a friend are riding your bikes to a restaurant that you think is east; your friend thinks the restaurant is north. you both leave from the same point, with you riding 12 mph east and your friend riding 8 mph north. after you have travelled 4 mi, at what rate is the distance between you and your friend changing?
The rate at which the distance is changing is calculated to be 14.42 miles per hour.
Consider the east direction to be denoted by x and the north direction to be denoted by y, therefore;
dx / dt = 12 mph
dy / dt = 8 mph
x is equal to 4 miles
Consider the distance between them to be s
Time taken by you to travel 4 miles = distance / speed
Time taken by you to travel 4 miles = 4/12 hour
Distance traveled by the friend in that time = speed × time
Distance traveled by the friend in that time = 8 × (4/12) = 2.67 miles
Now we use the Pythagorean theorem,
x^2 + y^2 + s^2 ...... (1)
Substitute, x = 4 miles and y = 2.67 miles
s^2 = 16 + 7.1289 = 23.1289
s = 4.81
Now differentiate equation 1 with respect to t as follows;
2x (dx/dt) + 2y (dy/dt) = 2s (ds/dt)
2(4) (12) + 2(2.67) (8) = 2 (4.81) (ds/dt)
96 + 42.72 = 9.62 (ds/dt)
138.72 = 9.62 (ds/dt)
ds/dt = 138.72/9.62 = 14.42 miles per hour
Thus the distance is changing at the rate of 14.42 miles per hour.
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y<-3x+3
y
a. (1,-5)
b.(1,5)
c.(5,1)
d.(-1,5)
Answer: a
Step-by-step explanation:
substitute the coordinate values for x and y
y<3x+3, (1,-5)
-5<3(1)+3
-5<3+3
-5<6
the coordinate (1,-5) works, so a is the answer
A bag contains 10 red marbles, 7 blue marbles, and 3 green marbles. You randomly select a marble from the bag, record the color, and then put that marble back in the bag. If you were to do this 200 times, how many times would you expect to pull out a blue marble?
Answer:
70
Step-by-step explanation:
We have 7 blue marbles, and 20 total marbles. As a result, if we randomly chose one marble from the bag, the probability would be (number of favorable outcomes)/(number of total outcomes) = 7/20.
This means that for each 20 trials, we would expect to pull out a blue marble 7 times, as the probability does not change over time (because we put the marbles back, there are the same amount of each marble). Over 200 trials, we can simply make it out of 200 instead of 20. We can thus multiply 7/20 by 10/10 (10/10 is equal to 1, keeping the proportions equal) to get 70/200, so we can expect 70 blue marbles out of 200.
How are sequences whose consecutive terms differ by a constant modeled, and what can those models tell us?
Answer:
Linear functions
Step-by-step explanation:
Nancy, Jim and Terrance collected 769 stickers during the school year. They want to divide the stickers
equally. They plan to give any leftover stickers to Vanessa. How many stickers will each person get?
Deyvi goes to a carnival with $20.00. He spends $2.00 to get in and the rest
on ride tickets. Each ticket is $1.50. How many tickets does Deyvi buy?
A 9 tickets
B 12 tickets
C 13 tickets
D 14 tickets
Bruno chose C as the correct answer. How might he have gotten that answer?
Answer:
Step-by-step explanation:
B, answer 12 tickets because $20 total - $2 admission fee = $18 remaining. Then $18 divided by $1.5 is 12.
What is 166.6789 to the nearest hundredth
Answer:
166.68
Step by Step:
166.678
The bolded number is greater than 5 meaning you have to round up.
so 166.678 is rounded to 166.68.
Hope this helped.
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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Look at Project TX55: \[ E S(D)=35, E S(E)=47, \text { and } E S(F)=34 \text {. } \] The duration of activities \( \mathrm{D}, \mathrm{E} \), and \( \mathrm{F} \) are 12,13 , and 15 days, respectively
The project's early start date is 34 (since it is the latest early finish of all the activities' predecessors). In project management, "ES" refers to the early start date. To determine the project's early start, the following formula is used: Early Start (ES) = Latest Early Finish (LEF) of all the predecessors.
Project TX55's early start date will be determined using this formula.
Let us first determine the early finish (EF) for the given activities.
For activity D, we have:
EF(D) = ES(D) + Duration(D)
= 35 + 12
= 47
For activity E, we have:
EF(E) = ES(E) + Duration(E)
= 47 + 13
= 60
For activity F, we have:
EF(F) = ES(F) + Duration(F)
= 34 + 15
= 49
Since none of these activities have any predecessors, their early start dates will be equal to their early finish dates. Therefore, the early start for Activity D is ES(D) = 35
The early start for Activity E is ES(E) = 47
The early start for Activity F is ES(F) = 34
Therefore, the project's early start date is 34 (since it is the latest early finish of all the activities' predecessors).
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Area and radius!! VUGGFYFYTFTYFYTFTYCYTCYTFYT
Answer:
1. (-2, 3) 7
2. (5, 8) 5
3. (-6, 1/2) 2/3
Step-by-step explanation:
The equation of a circle is (x-h)^2+(y-k)^2=r^2 where the center is at point (h, k) and the r is the radius. Find the values that would fit the numbers in parenthesis to find the center of the circle, and take the squareroot of the number on the right side of the equation to find the radius.
lmk if im wrong, hope this helps!
which graph shows the line y = -3x + 1
Tia was flying her model airplane. It took the airplane 5 seconds to go 90 feet. What was the average rate of speed of the model airplane, in feet per second?
Select one:
Answer:
18 feet per second
Step-by-step explanation:
The interior angles formed by the sides of a quadrilateral have measures that sum to 360°.
What is the value of x?
Enter your answer in the box.
x =
Answer:
x=2
Step-by-step explanation:
Find the value of x
Answer: 11
Step-by-step explanation:
Writing an Informative Essay about an Event in History? HURRY
When writing an informative essay about an event in history, you should:
Pick an engaging topic with several sources of information. Clearly state your thesis in your introduction. Use every paragraph to expand on a separate point. Avoid using long sentences. Reference sources accurately. How can you write an informative essay on historical events?To avoid finding it difficult to find information on your topics, pick a topic that has been well researched and has several sources of information on it. European history is well researched.
In the introduction, talk about why you think this topic is significant and include a thesis statement that would be the main logic you are producing details about.
Then divide this thesis into several points and talk about each point in a different paragraph. Use sentences that are not too long so that people don't lose interest.
Use primary and secondary information sources but make sure you reference these sources in the required format.
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Don’t understand this and need help
Answer:
5ft
Step-by-step explanation:
This simple proportions. 6/10=3/x. Solve for x. Cross Multiply. 6x=30. 30/6=5. x=5. Answer 5.
Answer:
x = 5
Step-by-step explanation:
6/10 = 3/x
cross multiply to get 30 ( 3x10 )
then divide by 6
to get the end answer of 5
hipe this makes sense
evaluate the following using identity ( part 2 )
4. (0.4a + 1/4 b) (0.4a - 1/4b)
5. (x + 1/y) ( x-1/y)
6. (2/3x + 3/11y) (2/3x - 3/11y)
Answer:
refer the attachment pls
Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter.x = t^4 + 3y = t^3 + tt = 1y(x) =
The equation of the tangent to the curve at the point corresponding to t=1 is y = x - 2.
To find the equation of the tangent to the curve at the point corresponding to t=1:
We first need to find the corresponding values of x and y. Substituting t=1 into the given equations, we get:
\(x = 1^4 + 3 = 4\)
\(y = 1^3 + 1(1) = 2\)
So the point on the curve corresponding to t=1 is (4,2).
To find the equation of the tangent at this point,
we need to find the slope of the curve at this point. We can do this by taking the derivative of y(x) with respect to x:
\(dy/dx = (dy/dt)/(dx/dt) = (3t^2+t)/(4t^3)\)
Substituting t=1, we get:
dy/dx = (3+1)/(4) = 1
So the slope of the curve at the point (4,2) is 1.
Now we can use the point-slope form of the equation of a line to find the equation of the tangent:
y - 2 = 1(x - 4)
Simplifying, we get:
y = x - 2
So the equation of the tangent to the curve at the point corresponding to t=1 is y = x - 2.
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Marta walked at 3.1 miles per hour for 0.91 hours. How far did she walk?
Answer:
2.808 miles.
Step-by-step explanation:
Marta walked in 1 hour = 3.9 miles (rate of walking per hour).
Procter and Gamble (PG) paid an annual dividend of $1.78 in 2009. You expect PG to increase its dividends by 8.2% per year for the next five years (through 2014), and thereafter by 2.8% per year. If the appropriate equity cost of capital for Procter and Gamble is 7.6% per year, use the dividend-discount model to estimate its value per share at the end of 2009.
a) The price per share is $------ (Round to the nearest cent.)
The price per share is $48.25.
What is the price per share?In the two-stage dividend discount model, the first stage is characterised by a high growth rate. In the second stage, the high growth rate falls to a steady or normal growth rate
The first step is to determine the value of the dividends from 2010 - 2014:
Dividend in 2010 = $1.78 x 1.082 = $1.93
Dividend in 2011 = $1.78 x 1.082² = $2.08
Dividend in 2012 = $1.78 x 1.082³ = $2.25
Dividend in 2013 = $1.78 x \(1.082^{4}\) = $2.44
Dividend in 2014 = $1.78 x \(1.082^{5}\) = $2.64
Value of the dividend after 2014 =(2.64 x 1.028) / (0.076 - 0.028) = $56.54
Find the present value of these cash flows:
(1.93 / 1.076) + (2.08 / 1.076²) + (2.25 / 1.076³) + (2.44 / \(1.076^{4}\)) + (2.64 / \(1.076^{5}\)) + (56.54 / \(1.076^{5}\)) = $48.25
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While shopping, Dawn finds a backpack that she likes on the sale rack. Its original price is $60,
but everything on the rack comes with a 30% discount. Dawn also has a coupon for 15% off of
her total purchase.
Dawn says, "Thirty percent and fifteen percent make forty-five percent and 45% of $60 is $33,
so it will cost $33."
Is Dawn correct? Explain why or why not. Be sure to support your reasoning with a
mathematical model.
Answer:
No, Dawn is not correct.
Step-by-step explanation:
I cannot provide you with a model, but the 30% discount should be applied first. 60*(70/100) = 42. Therefore, after the 30% discount, the cost will be $42. After that, Dawn should use her coupon. It will then get you 42*(85/100) = 35.70. Therefore, she would pay $35.70.
need help w log expressions! pre cal! ILL MARK U BRAINLIST
Answer:
\( log_{3}4 +6log_{3} {x}+log_{3} y \)
Step-by-step explanation:
Mistake \( 6log_3(4xy)\)
Correct expansion would be as given below:
\( log_{3}(4 {x}^{6}y ) \\ \\ = log_{3}4 +log_{3} {x}^{6} +log_{3} y \\ \\ = log_{3}4 +6log_{3} {x}+log_{3} y \\ \)
4+1/2=
me ayudan plis
Answer:
9/2 or 4 1/2 or 4.5
Step-by-step explanation:
4+1/2=8/2+1/2=9/2
Answer:
es 4 1/2 creo
Step-by-step explanation:brainliest plis
Answer the questions. All help needed.
1. Multiply all the x and y by 2
M (-6,4)
A (-4,6)
T (-2,4)
H (-4,2)
2. They stayed in the same quadrants. The x and y values shifted.
3. Scale factor of 1/2
4. .....mayhaps?
The circle graph describes the distribution of preferred transportation methods from a sample of 300 randomly selected San Francisco residents.
circle graph titled San Francisco Residents' Transportation with five sections labeled walk 40 percent, bicycle 8 percent, streetcar 15 percent, bus 10 percent, and cable car 27 percent
Which of the following conclusions can we draw from the circle graph?
Bus is the preferred transportation for 25 residents.
Bicycle is the preferred transportation for 48 residents.
Together, Streetcar and Cable Car are the preferred transportation for 42 residents.
Together, Walk and Streetcar are the preferred transportation for 165 residents.
The correct conclusion that can be drawn from the circle graph is given as follows:
Together, Walk and Streetcar are the preferred transportation for 165 residents.
What is shown by a circle graph?A circle graph, also known as a pie chart, is used to represent data as a circle divided into sectors, where each sector represents a portion of the whole. The size of each sector is proportional to the percentage of the whole that it represents.
Out of 300 residents, the percentages and amounts are given as follows:
Walk: 40% -> 0.4 x 300 = 120 residents.Bicycle: 8% -> 0.08 x 300 = 24 residents.Streetcar: 15% -> 0.15 x 300 = 45 residents.Bus: 10% -> 0.1 x 300 = 30 residents.Cable car: 27% -> 0.27 x 300 = 81 residents.Hence the last option gives the correct option in the context of the problem.
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David bought a used Dodge Challenger for $14,000. The value of the car depreciates 11% per year from the time he bought the car. Write a function that represents the value of David's car, V(t), after t years.
Answer:
V(t) = 14,000(0.89)^t
Step-by-step explanation:
Present value of the Dodge Challenger = $14,000
Present percentage value = 100%
Depreciation value = 11%
Number of years = t
Future value = V(t)
V(t) = Present value of the Dodge Challenger(Present percentage value - Depreciation value)^t
= 14,000(100% - 11%)^t
= 14,000(89%)^t
= 14,000(0.89)^t
V(t) = 14,000(0.89)^t
The Yellow Daisy Cab Company charges a $1.50 flat rate, in addition to $0.50 per mile, fo
1.50 +0.50m = 20
How many miles can Kathy travel if she wants to spend exactly $20.00 on a cab ride?
A.
10 miles
B.
20 miles
C.
37 miles
D
43 miles
Answer:
C. 37 miles
Step-by-step explanation:
0.50 + 1.50 = 20
-1.50 -1.50
0.50 = 18.50
18.50 / 0.50 = 37