Answer: Vertical line test. You can show just a random parabola and draw a line threw it.
Step-by-step explanation:
Vertical Line test basically just says that the parabola has no to y coordinates for one x as that one make it not a function.
Sample annual salaries (in thousands of dollars) for employees at a company are listed.
41 54 61 48 27 27 41 54 61 31 48 41 47
(a) Find the sample mean and sample standard deviation.
(b) Each employee in the sample is given a 5% raise. Find the sample mean and sample standard deviation for the revised data set.
(c) To calculate the monthly salary, divide each original salary by 12. Find the sample mean and sample standard deviation for the revised data set.
(d) What can you conclude from the results of (a), (b), and (c)?
Answer:
Down
Step-by-step explanation:
List from low to high
27 27 31 41 41 41 47 48 48 54 54 61 61
a. Mean = sum of sample/2
Mean = 581 / 2 = 290.5
b. Mean + 5%
290.5 + 5% = 305.025
c. 305.025 / 12 = 25.41875
d. Mean is ratio. Thus the adding and dividing with anything will affect the mean overall
3. From noon to midnight, how many times do the hands of a clock form a
straight line
Step-by-step explanation:
The hands of a clock point in opposite directions ( in the same straight line) 11 times in every 12 hours.
Give the slope and the y-intercept of the line y=9x+7 . Make sure the y-intercept is written as a coordinate.
Answer:
The slope is 9
The y intercept is (0,7)
Step-by-step explanation:
y=9x+7
The equation is written in slope intercept form
y = mx+b where m is the slope and b is the y intercept
The slope is 9
The y intercept is (0,7)
When six is multiplied by a number the result is 30
Answer:
the number is 5
30/6 = 5.
Step-by-step explanation:
One of the legs of a right triangle measures 12cm and its hypotenuse measures 17 cm.
Find the measure of the other leg. If necessary, round to the nearest tenth.
Answer:
12
Step-by-step explanation:
Try to fill in the missing numbers
9514 1404 393
Answer:
[[274][895][136]]
Step-by-step explanation:
Starting with the middle row, we need a product of two single-digit numbers that is between 53-1 = 52 and 53-9 = 44. Possible products are 5×9=45 and 6×8=48. This means the number in the middle position in the left column must be 8 or 5.
The middle number in the left column cannot be 5, because we must be able to get -5 by subtracting that number from a sum that is at least 3 = 1+2. So, the middle number in the left column is 8, the other two numbers in that column are 1 and 2, and the other two numbers in the middle row are 5 and 9.
There is no product of single-digit numbers that is 30-1 = 29, so the upper left number must be 2, and the bottom left number must be 1. The other two numbers on the top row must be 4 and 7, so that row's equation is 2+4×7=30.
The only remaining digits are 3 and 6. In order to have -3 on the bottom row, the equation there must be 1×3-6 = -3. Then the middle digit must be divisible by 3, so must be 9.
Our solution is ...
row 1: 2 + 7 × 4 = 30
row 2: 8 + 9 × 5 = 53
row 3: 1 × 3 - 6 = -3
And that makes the column equations be ...
col 1: 2 - 8 + 1 = -5
col 2: 7 + 9 / 3 = 10
col 3: 4 × 5 - 6 = 14
I’m so sorry I’m really bad at math please help!!
5×3=15
4×8=32
6×3/2=9
12×1/4=3
I need these answers
Answer:
You are correct with all of your answers so far,...
Step-by-step explanation:
5) = 0 (-17 + 20 = 3,... 3 + -3 = 0)
6) = -34 (-34 + 25 = -9,... -9 + -25 = -34)
9) = -4 (7 + -11 = -4)
Chow,...!
Answer:
for question 5 the answer is 0.
for question 6 the answer is -34.
for question 9 the answer is -4.
Step-by-step explanation:
question 5: -17+20 can also be written as 20-17 which is equal to 3. Next, we have to add 3 with -3. 3+(-3) is the same as 3-3 which equals 0.
question 6: 25-25 = 0, and the remainder is -34.
question 9: 7-11 can also be written as -11+7, which is equal to -4.
Please help I need this immediately
Answer:
The choose B. x = 7 , x = – 15
(x+4)-5=6
x +4-5=6 —> x=6-4+5 —> x= 7
– (x+4)-5=6 —> -x -4-5=6—> x = -4 -5 -6 —> x = – 15
I hope I helped you^_^
5.) -3(12 – 25) + 7 please
Answer:
46
Step-by-step explanation:
−3(12−25)+7
=(−3)(−13)+7
=39+7
=46
The elevation of Lake Baikal is about 1,494 feet below sea level. Which integer represents this elevation?
Answer:
-1,494
Step-by-step explanation:
If sea level is 0, the on a scale below sea level would be a negative integer.
Use the laws of logarithms to expand and simplify the expression.
ln( (x^4)/square root of x(1 + x)^2)
Answer:
Step-by-step explanation:
[tex]\ln\left(\frac{x^4}{\sqrt{x(1+x)^2}}\right)\\=\ln(x^4)-\ln\sqrt{x(1+x)^2}\\=4\ln x - \ln \sqrt{x} - \ln (1+x)\\=4\ln x-(1/2)\ln x -\ln(1+x)\\=(9/2)\ln x - \ln(1+x)\\=\ln x^{9/2}-\ln(1+x}\\=\ln (x^{9/2}/(1+x))[/tex]
HELPPPPPPPPPPPPPPPP!!!!!!!!!!
Answer:
. 143
Step-by-step explanation:
Because 8 is greater than 5 so we can say that when we round .1428 to nearest thousandth it will be closer to .143
PLS ANSWER HELP IF U SEE THIS I GIVE FREE BRAINLY
Answer:
2
Step-by-step explanation:
64 ÷ 32 = 2
2 × 32 = 64
Answer:
2
Step-by-step explanation:
you do 64 divided by 32 which you would get the same answer as 6 divided by 3 which is 2
Choose two statements that are true for this expression.
Answer: A and C
Step-by-step explanation: Brainliest please?
The price h of a recently bought house plus 10% property tax
9514 1404 393
Answer:
1.1h
Step-by-step explanation:
The property tax is 10% of h, or 0.1h. Then the total of the price and the tax is ...
h + 0.1h = 1.1h
You lose 2 points every time you forget to write your name on a test. You have forgotten to write your name 6 times. What integer represents your change in points from forgetting to write your
Answer:
I'm not sure I completely understand what is being asked but this is what I'm going with......
2 every test you have lost 2 points per test on 6 tests so that is a total of 12 lost??
Step-by-step explanation:
Hope I helped even a little Have a great day!!!
For this item, any non-integer answer should be entered as a decimal, rounded to the hundredths place.
Triangle ABC has coordinates A(-4,1), B(0,-2),and C(4,1).
The perimeter of ∆ABC is ___ units.
9514 1404 393
Answer:
18 units
Step-by-step explanation:
The distance formula is used to find the distance between two points:
d = √((x2 -x1)² +(y2 -y1)²)
For AB, the distance is ...
d = √((0 -(-4))² +(-2 -1)²) = √(16 +9) = √25 = 5
The distances between the other pairs of points can be found the same way. We have elected to let a spreadsheet do the math. It tells us the perimeter of triangle ABC is 18 units.
Answer: 18 units
Step-by-step explanation:
Referring to the figure, find the value of x
Answer:
Step-by-step explanation:
By the triangle angle-sum theorem, all the angles of a triangle have to add up to equal 180°. Thus,
72° + 5x° + x° = 180° and
72° + 6x° = 180° and
6x° = 108° so
x = 18°
Pllllzzzz heeeelllppp
Answer:
a. circumference
b. area
c. area
d. circumference
Step-by-step explanation:
a. You are using the circumference formula to find the distance around a CIRCULAR track, if you used area, that would include the space in between the track as well. You are only trying to find the track line. ( you can draw a picture of a track and show what you are finding. )
b. You are trying to find the amount of area that the tiles make up in the circular floor, how much of the floor the tiles take up.
c. You are trying to find how much of the oil takes up of the WHOLE bottom of the frying pan.
d. Finding the circumference of your wheel can help determine the distance the car traveled. If you used area, it would not be useful.
7m-4-9m-35=0
Solving linear equation
please help me
Step-by-step explanation:
-2m-39=0
-2m=0+39
-m= 39/2
m= -19.5
Answer:
[tex]7m - 4 - 9m - 35 = 0 \\ 7m - 9m = 35 + 4 \\ - 2m = 39 \\ 2m = - 39 \\ m = \frac{( - 39)}{2} \\ \boxed{m = - 19.5}[/tex]
m = -19.5 is the right answer.3.568409 rounded to the nearest 10th
Answer:
Your Answer would be 3.6
Step-by-step explanation:
If the digit after tenth is greater than or equal to 5, add 1 to tenth. Else remove the digit.
the larger lf ferret food is on sale at the super pet mart 89. Ferroza made the following table. Explain to ferroza why the cost of food at super pet mart is not a proportional relationship
Proportional relationships are relationships that can be represented using a uniform or constant rate. The cost of food is not a proportional relationship because it does not use a uniform rate.
The missing table is as follows:
[tex]\begin{array}{cc}Bag&Cost\\0&0\\5&17.5&30&89\end{array}[/tex]
Let:
[tex]x \to[/tex] Bag
[tex]y \to[/tex] Cost
First, we calculate the slope (m) of the table using:
[tex](x_1,y_1) = (0,0)[/tex]
[tex](x_2,y_2) = (5,17.5)[/tex]
The slope (m) is as follows:
[tex]m=\frac{y_2 - y_1}{x_2 - x_1}[/tex]
[tex]m=\frac{17.5 - 0}{5-0}[/tex]
[tex]m=\frac{17.5}{5}[/tex]
[tex]m=3.5[/tex]
Also, calculate the slope (m) using the following points
[tex](x_1,y_1) = (0,0)[/tex]
[tex](x_2,y_2) = (30,89)[/tex]
The slope (m) is as follows:
[tex]m=\frac{y_2 - y_1}{x_2 - x_1}[/tex]
[tex]m = \frac{89 - 0}{30 - 0}[/tex]
[tex]m = \frac{89}{30}[/tex]
[tex]m = 2.97[/tex]
The calculated slopes are not the same. i.e.
[tex]3.5 \ne 2.97[/tex]
Hence, the cost of food is not a proportional relationship because it does not use a uniform rate.
Read more about proportional relationships at:
https://brainly.com/question/21552002
are All integers are real numbers.
Answer:
no
Step-by-step explanation:
all integers are not real numbers.integers are negative and positive numbers. but real numbers don't include negative numbers.
14.25-5.14 find the sum or the difference
Answer:
14.25 - 5.14 = 9.11
hope it helps you
The area of a square is 36. A rectangle whose length is 1 more than twice
its width has the same area. What are the dimensions of the rectangle?
L 70, h89, w56!
hope this helps <3
Which two integers is 91 squared by 3 between
Answer:
9 and 10
Step-by-step explanation:
Please help with hw
Oh pls help I have a test tomorrow
Answer:
you would write it as -3.25 as a whole number
Evaluate the expression x + (-5) +5 when x=-3
4x12
Answer:
2045
Step-by-step explanation:
-34×12(-5)+5
-405(-5)+5
2040+5
2045 is the answer
