Answer:
17.5
Step-by-step explanation:
35÷y = 140 ÷ 70
or, 35 = 2y
or, y= 17.5
write in decimal form 7+3/100+9/1000
Answer:
7.039
Step-by-step explanation:
7 + 3/100 + 9/1000
7 + 0.03 + 0.009
7.039
Answer:
7.039
Step-by-step explanation:
7 = 7
3/100 = .03
9/1000 = .009
therefore
7 + 3/100 + 9/1000 = 7 + .03 + .009
7.039
25. A new app was downloaded 175 times in its first week Since then the number of downloads
increased by 16.5% each week. Use a continuous exponential growth model to approximate
the number of times the app was downloaded in 2 week
37
0/1
37
Answer:
238 times
Step-by-step explanation:
Given
[tex]a = 175[/tex] -- first week
[tex]r = 16.5\%[/tex]--- growth per week
[tex]t = 2[/tex] --- time
Required
The number of times it was downloaded in 2 weeks
An exponential growth is represented as:
[tex]y = a(1 + r)^t[/tex]
So, we have:
[tex]y = 175 * (1 + 16.5\%)^2[/tex]
[tex]y = 175 * (1.165)^2[/tex]
[tex]y = 175 * 1.357225[/tex]
[tex]y = 237.514375[/tex]
[tex]y = 238[/tex] -- approximated
HELP! i will give Brainly, if anyone could give me the full equation :) only answer if you’re sure...
Answer:
y=-3/4x+3
Step-by-step explanation:
Slope is rise over run, so -3/4. Y-intercept is at (0, 3)
y=-3/4x+3
What is the solution to the equation below. Round your answer to two
decimal places
In x= -2
O A. X=-739
B. x=0.34
O C. X=-0.69
O D. x=0.14
Answer:
B. x = 0.14
Step-by-step explanation:
Inx = -2
x = e^(-2)
x = 0.135
x = 0.14 (to two d.p)
The solution of the equation ln x =-2 is 0.14
The correct option is (D)
What is logarithm?Logarithms are the inverse of exponents.
Given that:
ln x =-2
Shifting the log on the right side, it will become exponential
x = [tex]e^{-2}[/tex]
x = 0.135
x = 0.14 (two decimal places)
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Shannon went to an auto repair shop and paid $339.50, which included parts that cost $112 and 3.5 hours of labor. Joni went to an auto repair shop and paid $455, which included parts that cost $310 and 2.5 hours of labor. Which correctly compares the cost of the labor? Shannon paid $7 more per hour for labor. Shannon paid $7 less per hour for labor. Joni paid $85 more per hour for labor. Joni paid $85 less per hour for labor.
All the answers given are incorrect. The correct answer should be Shannon paid $7 more for labor.
Answer:
Option A, Shannon paid $ 7 per hour to labor than Joni
Step-by-step explanation:
Total amount paid by Shannon = $339.50
Total cost of 3.5 hours of labor paid by Shannon =($339.50- $112)
Total cost of 3.5 hours of labor paid by Shannon = $227.5/3.5
Total cost of 1 hours of labor paid by Shannon $65 per hour
Total amount paid by Joni = $455
Total cost of 2.5 hours of labor paid by Joni = $455- $$310
Total cost of 1 hours of labor paid by Joni = $145/2.5
Total cost of 1 hours of labor paid by Joni = $ 58
Hence, Shannon paid $ 7 per hour to labor than Joni
Option A is correct
Can someone please help me
Write these numbers in ascending order
9.81 x 10^3
9.82 x 10^2
9812
Answer:
look at the picture i sent......
1 km = ? cm
????? Pls help plsssssss
Answer:
1 km = 100000 cm
i will privetely give 50 point to anyone who solves this correctly
Ms. White invests
$
2000
in a savings plan. The savings account pays an annual interest rate of
5.75
%
on the amount she puts in at the end of each year. How much will be in her savings plan at the end of
10
years?
Answer:
$3498.11 at the end of 10 years.
Step-by-step explanation:
2000 + 0.0575*2000*10 = 3150 dollars at the end of 10 years.
The length of time required for the periodic maintenance of an automobile or another machine usually has a mound-shaped probability distribution. Because some occasional long service times will occur, the distribution tends to be skewed to the right. Suppose that the length of time required to run a 5000-mile check and to service an automobile has mean 1.4 hours and standard deviation .7 hour. Suppose also that the service department plans to service 50 automobiles per 8-hour day and that, in order to do so, it can spend a maximum average service time of only 1.6 hours per automobile. On what proportion of all workdays will the service department have to work overtime?
Solution :
Mean time for an automobile to run a 5000 mile check and service = 1.4 hours
Standard deviation = 0.7 hours
Maximum average service time = 1.6 hours for one automobile
The z - score for 1.6 hours = [tex]$\frac{1.6-1.4}{0.7 / \sqrt{50}}$[/tex]
= 2.02
Now checking a normal curve table the percentage of z score over 2.02 is 0.0217
Therefore the overtime that will have to be worked on only 0.217 or 2.017% of all days.
find the measure of any angle between 0 degrees and 360 degrees coterminal with an angle 354 degrees in standard position.
a. 174 degrees
b. 6 degrees
c. 354 degrees
d. 264 degrees
9514 1404 393
Answer:
c. 354 degrees
Step-by-step explanation:
The only angle in the range 0 to 360° that will be coterminal with an angle in that range is one with the same measure:
354°
Please, show some work
I can not see the photo
9514 1404 393
Answer:
A. x -4y
Step-by-step explanation:
The first expression factors as ...
= 2x(x -4y)
The second expression factors as ...
= 3x^2(x -4y)
Factors that are common between these factorizations are ...
x, (x -4y)
Of these, the one on your list of choices is ...
x -4y
What percent of 380 is 190?
Answer:
50 percent
Step-by-step explanation:
190 is half of 380
190 x 2 = 380
Tessellations
The image of the point (4,-3) under a reflection across the x-axis is _______?
a. (-4,3)
b. (-4,-3)
c. (3,4)
d. (4,3)
Please select the best answer from the choices provided
Answer:
D. (4,3)
Step-by-step explanation:
I calculated it logically
Please help me I'm crying and need help
Answer:
i think its 81
Step-by-step explanation:
HELP PLEASEEEEEEE!!!
Answer:
first one , I believe, sorry if incorrect
What is the total surface area of this cube?
Answer:
54 (also include units squared as the picture isn't clear)
Step-by-step explanation:
3×3=9 (area of square =l×b)
9×6= 54cm² (since a cube has 6 faces)
which is greater? no links pls. 0.04 or -0.39? and -0.6 or 0.5?
Answer:
0.04 and 0.5
Step-by-step explanation:
Answer:
1. 0.04
2. 0.5
Step-by-step explanation:
The positive choice will be greater.
A recent math test results show a mean of 75 and a standard deviation of 3. A random test is chosen with a raw score of 86. Which of the following tests scores is better than what percentage of all scores?
TEST 1: x=65, μ=70, σ=3
TEST 2: x=80, μ=50, σ=10
A) Test 1 has the highest z-score
B) Test 2 has the highest z-score
C) Neither, the original test has a z-score 3.67 which is the highest z-score.
Answer:
c
Step-by-step explanation:
The test which scores are better than the percentage of all scores will be tested 2 and the percentage is 3. Hence, option B is correct.
What is Normal distribution?A probability distribution that is symmetric around the mean and demonstrates that data close to the mean are more likely to occur than data distant from the mean.
As per the given information in the question,
1.
x = 65
Mean, μ = 70
Standard deviation, σ = 3
Use the equation given below to find the percentage,
Z = (x - Mean)/Standard deviation,
Z = (64 - 70)/3
= -6/3
Z = -2
2.
x = 80
Mean, μ = 50
Standard deviation, σ = 10
Use the equation given below to find the percentage,
Z = (x - Mean)/Standard deviation,
Z = (80 - 50)/10
= 30/10
Z = 3
Compare the values obtained, and it is clear that Test 2 got height score.
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PLEASE HELP
Which statement correctly explains whether lim g(x)
X-3
exists?
Answer:
the answer is A on Edge
A) The limit does not exist because the values of h(x) seem to oscillate between random values around x = 9.
Step-by-step explanation:
took the quiz :)
The limit does not exist because the values of h(x) seem to oscillate between random values around x = 9 is the correct statement.
We have given that,
lim g(x)
X-3
What is the oscillation of the random values?The application of results concerning partial limit laws of normed sums of independent and identically distributed random variables will be obtained.
Therefore from the graph, we can say that option A is correct.
A) The limit does not exist because the values of h(x) seem to oscillate between random values around x = 9.
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carina bought a spiral notebook that cost x dollars and a binder that cost 2.5 times a much as the notebook. her total cost was 4:20. how much did the spiral notebook cost?
Find the measure of the angle HELP PLSSS URGENT!
Answer:
It is 40 degrees
Step-by-step explanation:
The 2 lines, x and y are forming 90 degrees, and since we know that part of that complementary angle is 50 degrees, we would do:
50+x=90
-50 -50
-------------
x=40
A company has 200 employees. There are 150 female employees. There are 40 employees who are under the age of 30. The probability
of randomly selecting an employee who is female or is under the age of 30 is 85%.
What is the probability of randomly selecting an employee who is female and under the age of 30?
O A 10%
O B. 20%
O c. 85%
OD. 95%
Answer:
c. 85 % is the probability
The passing yards for the top 5 quarterbacks in the country are 3,832, 3,779, 3,655, 3,642, and 3,579. Find the variance and standard deviation. Round to the nearest hundredth. EXPLAIN WORK
First get the average passing yards:
(3,832 + 3,779 + 3,655 + 3,642 + 3,579) / 5 = 3,697.4
Now get the squared residuals for each quarterback's passing yards. That is, compute the difference between each data and the average, then square the result. For example,
(3,832 - 3,697.4)^2 = 134.6^2 = 18,117.2
For the others, you should get squared residuals of
6,658.56
1,797.76
3,069.16
14,018.6
Take the sum of the squared residuals, then - since this is a sample, and not a population of all quarterbacks - divide the sum by 5 - 1 = 4 to get the variance:
(18,117.2 + 6,658.56 + 1,797.76 + 3,069.16 + 14,018.6)/4 = 10,915.3
The standard deviation is just the square root of the variance:
√(10,915.3) ≈ 104.48
Answer:
the answer is 3697.4
Step-by-step explanation:
I used a calculator
Please help me this is important to my grade
Answer:
C. x = 6
Step-by-step explanation:
2*6 + 4 = 16
Please HELP ASAP IN NEED IT I WILL GIVE YOU POINTS
Answer: c six less than twice is the same as two times a number minus six
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
"Twice a number" means a variable/mystery number times 2; aka 2x.
"Six less than" means minus/subtract six.
So, therefore it's 2x - 6.
Write the slope-intercept inequality for the graph below. If necessary, use <=
fors or >= for 2.
6
(0, 1)
(3,-1)
5
How many liters of a 15% sugar solution must be mixed with 5 liters of a 45% sugar solution to give a 20% solution?
Select one:
a.
4 liters
b.
25 liters
c.
30 liters
d.
11 liters
Answer:
25 liters
Step-by-step explanation:
15x + 45(5) = 20(x + 5)
15x + 225 = 20x + 100
Simplify
125 = 5x
Divide both sides by 5
25 = x
25 liters
Please help pay pal sound good 10 bucks?
Answer:
38°
Step-by-step explanation:
90= (8+3x) + 52
38= 8 +3x
30= 3x
10= x
(Please go and recheck to make sure the math is completely correct. I did it mentally so it might be off...)
PLEASE HELP
A. 0
B. 2
C. -2
Answer:
B
Step-by-step explanation:
You can read this as "find g of f of 2"
Also written as g(f(2)).
What we're doing is is looking at the function f and getting the value when you input 2. f(2)
Since the function f is the curved one, you will find the coordinate where the input is 2. At input 2 or x=2, we get the value of 0.
Now back to g(f(2)) -- Because we have found the value of f when it is 2, we can replace this equation with:
g(0)
Now we find the value we get from g when we put 0 as the input. When 0 is our input, or when our x is 0, we see the point of g is (0,2) so our output is 2.