Answer:
Part A- 2 miles per hour
Part B- 37.5 hours
Give triangle ABC with coordinates A(3, 8), B(9,0) and C(5,2). How can you prove that triangle ABC is isosceles? Show your work.
Answer:
The distances AB and BC are
√
52
and therefore isosceles.
Explanation:
If we label them A(13,-2) B(9-8) and C(5-2)
The distance between A and B:13⇒9=4−2⇒−8=42+62=52 so the distance is √52
The distance between B and c:9⇒5=4−8⇒−2=642+62=52
the distance is
√
52
The distance between A and C is 8 as they are both on -2 for
y
The distances AB and BC are
√
52
and therefore isosceles.Step-by-step explanation:
3. Penguins can swim at speeds of up to 29 feet per second. Use dimensional analysis to
convert this speed to miles per hour. 1 mile = 5280 feet. (4 pts, 1 for feet into miles, 1
seconds into hours, 1 simplified answer, 1 for units in answer.)
Answer:
Penguins can swim at a speed of 19.77 miles per hour.
Step-by-step explanation:
Since penguins can swim at speeds of up to 29 feet per second, to convert this speed to miles per hour, knowing that 1 mile is equal to 5280 feet, the following calculation must be performed:
1 hour = 60 minutes
1 minute = 60 seconds
1 hour = 60x60 seconds = 3,600 seconds
29 x 3,600 = feet per hour = 104,400
104,400 / 5,280 = miles per hour = 19.77
Thus, penguins can swim at a speed of 19.77 miles per hour.
Which of the statements below is true for the following set of numbers?
42,20,36,51.60.28
Answer:
the answer is the file below
Math plz helppppppppp
Answer:
6
Step-by-step explanation:
define the distance between the two points we just count the units from (3,4) to (3,10) which would be 6
Use the following situation to complete the problems. The Sno-Cone Shop has a choice of small and large sizes. This week's flavors are berry, root beer, and mango. The following table shows the sales results for snow comes on Monday: Small Root Large Root Large Mango Small Berry Small Mango Large Berry Beer Beer 36 32 28 12) Based upon these results, how many large berry snow cones should the shop expect to sell for the week if it anticipates 2.000 customers?
Answer:
оататал по стаж вождения ядовитость
Step-by-step explanation:
лимит по ГП или со им соседских
Data from a representative sample were used to estimate that 31% of all computer users in a recent year had tried to get on a Wi-Fi network that was not their own in order to save money. You decide to conduct a survey to estimate this proportion for the current year. What is the required sample size if you want to estimate this proportion with a margin of error of 0.05
Answer:
The required sample size is 329.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of [tex]\pi[/tex], and a confidence level of [tex]1-\alpha[/tex], we have the following confidence interval of proportions.
[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]
In which
z is the zscore that has a pvalue of [tex]1 - \frac{\alpha}{2}[/tex].
The margin of error is:
[tex]M = z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]
31% of all computer users in a recent year had tried to get on a Wi-Fi network that was not their own in order to save money.
This means that [tex]\pi = 0.31[/tex]
Confidence level is not given, so we assume 95%.
95% confidence level
So [tex]\alpha = 0.05[/tex], z is the value of Z that has a pvalue of [tex]1 - \frac{0.05}{2} = 0.975[/tex], so [tex]Z = 1.96[/tex].
What is the required sample size if you want to estimate this proportion with a margin of error of 0.05?
We need a sample size of n. n is found when M = 0.05. So
[tex]M = z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]
[tex]0.05 = 1.96\sqrt{\frac{0.31*0.69}{n}}[/tex]
[tex]0.05\sqrt{n} = 1.96\sqrt{0.31*0.69}[/tex]
[tex]\sqrt{n} = \frac{1.96\sqrt{0.31*0.69}}{0.05}[/tex]
[tex](\sqrt{n})^2 = (\frac{1.96\sqrt{0.31*0.69}}{0.05})^2[/tex]
[tex]n = 328.6[/tex]
Rounding up
The required sample size is 329.
I NEED HELP.
2X^2-8X= BUT FACTORISE!
Answer:
This is my answer
2x(x-4)
Step-by-step explanation:
2x(x-4)
[tex]\tt{} {2x}^{2} - 8x[/tex]
[tex]\tt{}2x \times (x - 4)[/tex]
Please help with these math problems. Please don't just do it for points I really need helpp
Answer:
Disclaimer: I'm not sure because the numbers are too blurry. If my numbers don't match yours, just replace them in my work and recalculate them.
1) not tangent
2) tangent
3) not tangent
Step-by-step explanation:
If they are tangent, the triangles formed will be right triangles.
Check using the Pythagorean theorem:
1) 18² = 14.4² + 11.7²
324 = 207.36 + 136.89
324 ≠344.25 not tangent
2) 7.5² = 4.5² + 6²
56.25 = 20.25 + 36
56.25 = 56.25 tangent
3) 20² = 12² + 12²
400 = 144 + 144
400 ≠ 288 not tangent
help please ? I don’t understand I’m in 6th grade
Answer:
22/7 - irrational number
1.141141114 - irrational number
17/4 - rational number
-6 - integer
[tex]\frac{\pi }{2}[/tex] - irrational number
0 - whole number
9 - natural number and whole number
21/3 - natural number and whole number
Step-by-step explanation:
natural numbers would be numbers 1,2,3,4,5,6,7...
whole numbers would be numbers 0,1,2,3,4,5,6...
integers are negative whole numbers
rational numbers are fractions and numbers that have decimal points
irrational numbers are number such as [tex]\pi[/tex] or [tex]\sqrt{5}[/tex]
help stepmby step pls
Answer:
Ima say the answer is 9, likely she bought 6 more new and with the fire half were destroyed of this 6 new posters only are 3 left so she has 12 posters left that means only 3 are added to how much posters she had before, so in some words she started with 9 also 9+3=12.
For where it says write and equation I think the answer would be something like 9+6-3. In where it says work I want to assume is your explaination so you can use the first paragraph I made. Check Its prob a re do of the work you have done to make sure its right. Coming with "Define the value" Im not sure of this but i think is to define your equation.
solve 20 × 3/10 tell me
Answer:
6 is the answer see please
Answer:
6
Step-by-step explanation:
20( .30 ) = 6
Hope this helps dude
What is the electric field strength at a distance of 15 cm from a point charge that has 12
microcoulombs?
Please help
Hi can I get help with this type of problem please 3x-8x=
PlEASE HELP ASAP!!!! USATEST PREP DUE TODAY!!!Please No Links!!!
okey no links here u go
Answer:
2
Step-by-step explanation:
[4^2/(-1+3)^3+2*10] / (10+1)
= [16/8+20] / 11
= 22/11
=2
Hope this helps :) Giving me brainiest would help a lot :))
Darryl has 2/3 of a bag of dog food. His dog eats 4/9 of a bag per week. How many weeks will the dog food last?
A fraction is a part of a whole and it can be expressed as a quotient, in which the numerator is divided by the denominator.
The number of weeks the dog will take to finish 2/3 of a bag of dog food is 1 (1/2) weeks.
What is a fraction?A fraction is a part of a whole and it can be expressed as a quotient, in which the numerator is divided by the denominator.
We have,
The amount of dog food in the bag = 2/3
The amount of dog food the dog eats per week = 4/9
We need to find the number of weeks that the dog finishes 2/3 of dog food.
The number of weeks:
1 week = 4/9 dog food
Multiply both sides by (9/4 x 2/3)
(9/4 x 2/3) x 1 week = (9/4 x 2/3) x 9/4 dog food
3/2 weeks = 2/3 dog food
[ 3/2 = 1 (1/2) ]
1(1/2) weeks = 2/3 dog food
This means in one and a half weeks the dog finished 2/3 of dog food.
Thus the number of weeks the dog will take to finish 2/3 of a bag of dog food is 1 (1/2) weeks.
Learn more about fractions here:
https://brainly.com/question/10354322
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4) Given g(x)=-2x-15, find g(6).
A) g(6)=3
C) g(6)=-27
B) g(6) = -3
D) g(6)=-41
Answer:
g(6) = - 27
Step-by-step explanation:
Given
g(x) = - 2x - 15
g(6) = - 2 * 6 - 15 = - 12 - 15 = -27
Hope it will help :)
Which theorem
Thank you for anyone who answers
Answer:
AAS
mark me brainliset
The next model of a sports car will cost 12.9% more than the current model. The current model costs $33,000. How much will the price increase in dollars?
What will be the price of the next model?
Increase in price:
sl
Price of next model:
Х
$
?
Submit Assignment
Continue
Continue
acer
What is the circumference of the pizza?
Answer:
28.29 inch.
Step-by-step explanation:
So diameter is 9.
Circumference = pi x d
= 22/7 x 9
=28.29inch.
219 is what percent of 146?
Answer:
150
Step-by-step explanation:
100%/ x% = 219/ 416
Cross multiply
x = 150 %
219 is 150% of 416
Find the missing angle
Answer:
29 degrees I believe
Step-by-step explanation:
If each triangle is worth 180 degrees, then the answer is 29 degrees.
Which letter has line symmetry?
Answer:
e. M
Step-by-step explanation:
Answer:
M has line symmetry
Step-by-step explanation:
hope this helps
If a number has a base of 3 and a power of 4, what is it's value?
Answer:
3*3*3*3= 81
Step-by-step explanation:
I think its that but I'm not 100% sure
Juan saved x dollers last month. This month he saved $8 more than 3 times the amount he saved last month. he saved a total of $141 how much did he save last month. Write an equation and solve.
Answer:
he save last month $33.25
Step-by-step explanation:
Let us assume last month saving be x
This month saving be 3x + $8
And, the total would be $141
So based on the above information
The equation is
x + 3x + $8 = $141
4x + $8 = $141
4x = $141 = $8
4x = $133
x = $33.25
Hence, he save last month $33.25
Therefore the same is relevant
please, please, help me. I'll mark you Brainleist Please.
Answer:
it goes 2,4,6
bottom 6,12,18,24
Step-by-step explanation:
hope this helps
What is the volume of the figure below?
52 cm 3
104 cm 3
68 cm 3
88 cm 3
Answer:
104 cm 3
Step-by-step explanation:
4×4×2 = 32
6×6×2 = 72
32+72 = 104
Hello!
I am here with a handful of geometry questions today. Please answer the question based off the image(s) below.
If you are not sure of the answer please leave a comment, DO NOT ANSWER THE QUESTION UNLESS YOU KNOW THE ANSWER. Please don't take me points! Thanks for understanding.
Anyways, please show all of your work and explain your thinking! Thanks!
Answer:
Given is the hexagonal prism
Base of the prism is hexagon.
1. Any cross -section parallel to base will produce same shape, so we'll get hexagon with horizontal cross-section.2. A vertical cross-section will produce a rectangle.David used exactly 8 cups of flour to make 6 loaves of bread. How many loaves of bread can he make with 12 cups of flour?
David can make 9 loaves of bread with 12 cups of flour.
What is the unitary method?The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
David used exactly 8 cups of flour to make 6 loaves of bread.
SO, Half of 8 = 4, half of 6 = 3
8 + 4 = 12 cups of flour,
6 + 3 = 9 loaves of bread.
Thus, David can make 9 loaves of bread with 12 cups of flour.
Learn more about the unitary method;
https://brainly.com/question/23423168
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what are the coordinates of B', the image of point B, after dilation by a scale factor of 1.5 centered at (5, -5)
Answer:
B' = (7.5, -7.5)
Step-by-step explanation:
Given the coordinate B = (x, y)
If the coordinate is dilated by factor of k, the resulting coordinate will be (kx, ky)
For the coordinate (5, -5), if dilated by a factor of 1.5, the required coordinate will be;
B'= (1.5(5), 1.5(-5))
B' = (7.5, -7.5)
This gives the required coordinate
PLZ HELP BRAINLIEST AND 20 POINTS
When graphed, which equation would not make a straight line?
x-values y-values
3 10
4 13
5 16
6 19
x-values y-values
13 28
14 30
15 32
16 34
x-values y-values
1 7
2 6
3 5
4 4
x-values y-values
3 0
4 4
5 9
6 15
Answer:
the last set
Step-by-step explanation:
hope this helps :) have a nice day !!
**please let me know if this was wrong**