Answer:
.......................... i think is h
The mean and standard deviation of a normal distribution are 150 and 12 respectively. What percentage of values lie between:
a) 138 and 162
b) 126 and 174
c) 126 and 162
d) 162 and 174
Answer:
Step-by-step explanation:
Use a calculator with built-in statistical functions. The function applying here is normcdf(, the "cumulative density function."
(a) The percentage of values lying between 138 and 162 is
norm(138,162, 150, 12), which comes out to 0.683, or 68.3%.
(b) Find norm(126, 174, 150,12): 0.945, or 94.5%
(c) Find norm(126,162, 150,12); 0.819, or 81.9%
(d) Find norm(162, 174,150,12): 0.136, or 13.6%
Kenwood High School sold t-shirts for a school fundraiser. The principal rounded the number of shirts sold to 3,000. Which number might be the exact number of t-shirts Kenwood sold?
Yall I Need Help : Victor Has Saved $129.85 . Victor writes the equation below to help him determine x , the additional amount that he needs to save to have enough to but the bicycle . $89.25 + 129.85 = x Does Victor's equation correctly model the problem ?
I don't know what $89.25 represents in the question but I can just assume that he saved that much more. "x" represents how much more he needs.
No, he doe not represent the equation correctly. "x" should not be on the right side of the equation.
Let "y" represent the total amount of the bicycle.
The correct equation should look like:
89.25 + 129.85 + x = y
Best of Luck!
10. The boys and girls in Mrs. Hall's class are collecting cans for the food drive. The
ratio of cans saved by the boys versus the girls is 2:5. The girls have saved 15 more cans
than the boys.
Answer:
hope it helps you
this is my answers
Brandon has 7 1/2 gallons of paint. He plans on using 1 1/2
gallons on each room. How many rooms will he be able to paint?
Answer:
5 rooms
Step-by-step explanation:
7.5 divided by 1.5 is equal to 5
Answer:
6
Step-by-step explanation:
Combine like terms , pls help :)
Answer:
The anwseeeerrrrrrrr bgg isntheeeeeeessassse nuttttts haaa goddddd emmmmm
The area of an 20 -cm-wide rectangle is 440 cm. What is its length?
Answer:
22cm
Step-by-step explanation:
440÷20
I Need with help with 55
Answer:
y = -3x -6
Step-by-step explanation:
The y intercept is -6 and the slope is -3
Using the slope intercept form of a line
y = mx+b where m is the slope and b is the y intercept
y = -3x -6
which of these result from the sudden popularity of leather boots
a increase in demand
b increase in quantity demand
c decrease in quantity demand
d decrease in demand
What is the initial term for the sequence
36, 24, 16, ...?
?
Answer:
36
Step-by-step explanation:
The initial term is the very first term
36, 24, 16, ...?
has an initial term of 36
the number 5 as a fraction with the denominator 10
Answer:
50/10 is the answer to the question
Answer:
50/10
Step-by-step explanation:
50 divided by 10 = 5
When factored, the trinomials x2 + 4x − 21 and x2 + 11x + 28 have one binomial factor in common. What is this factor?
x − 7
x + 7
x − 5
x + 5
Helpppppp
Answer:
x + 7
Step-by-step explanation:
x^2 + 4x − 21 =
= (x + 7)(x - 3)
x^2 + 11x + 28 =
= (x + 4)(x + 7)
Answer: x + 7
8a + 4 = 4 + 8a
Property bank
Answer:
x=x
Infinite solutions
Step-by-step explanation:
8a + 4 = 4 + 8a
subtract 4
8a=8a
Factor out the GCF (8)
x=x
when an equation simplifies to x=x, it has Infinite solutions
Answer:
Commutative Property of Addition
Step-by-step explanation:
PLEASE HELP ILL GIVE BRAINLIEST!!!!!:(((((((
Answer:
1-A, 2-D, 3-E, 4-B, and 5-C
Answer:
Step-by-step explanation:
1: A
2: D
3: E
4: B
5: C
When you have that eqation all you have to do is take the numbers on the left in the parentheses and then you have to put those numbers into x and then you do the equation and see if the equation equals the numbers in parentheses on the right side
Can i be made brainliest
If p. 2 + 2 =4
What is p?
2 + 2 4
2 + 2 = 4
2 X 2 4
2 X 2 = 4
Answer:
2 + 2 = 4
Step-by-step explanation:
Answer:
2 + 2 = 4
Step-by-step explanation:
this took me hours to figure out
Cynthia wants to buy a rug for a room that is 18ft wide and 26ft long. She wants to leave a uniform strip of floor around the rug. She can afford to buy 240 square feet of carpeting. What dimensions should the rug have?
The room is 18 ft by 26 ft which is 468 ft^2
She can afford a 240 ft^2 rug
12 * 20 = 240
She can afford a rug that is 12 ft wide by 20 ft long
The dimensions that the rug she wants to buy should have is: 12 ft by 240 ft
How to find the area of the rectangle?The formula for the area of a rectangle is expressed as:
Area = length * Width
Now, we are told that:
Dimensions of room = 18 ft by 26 ft
If she leaves a strip of 3ft across the room, then, we can say that area that needs carpeting = 12 ft by 20 ft
Let us check with the 240 square feet of carpeting
12 * 20 = 240 ft
Read more about area of rectangle at: https://brainly.com/question/2607596
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A pizza restaurant had 1/3 of a gallon of pizza sauce left at the end of the evening and divided it equally between 2 pizza . How much sauce did they put on each pizza
The amount of sauce in each pizza is 1/6 gallon.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Amount of pizza sauce left over = 1/ 3 gallons
The amount of sauce in each of the two pizzas.
= 1/3 ÷ 2
= 1/(3x2)
= 1/6
Thus,
1/6 gallon of sauce is put in each pizza.
Learn more about expressions here:
https://brainly.com/question/3118662
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Evaluate 4n2 for n = 8.
Answer:
First equation: 4n^2=256
Second equation: 4n*2=64
Step-by-step explanation:
First equation:
4n^2 for n = 8.
Substitute 8 for n and solve:
4*(8)^2=4*64=256
4n^2=256
Second equation:
4n*2 for n = 8.
Substitute 8 for n and solve:
4*(8)*2=32*2=64
4n*2=64
I hope this helped you.
Please mark Brainliest.
Have a great day!!!!!!!!!!!!
11.18034 rounded to the nearest tenth
Answer:
11.2
Step-by-step explanation:
Find the number in the tenth place 1 and look one place to the right for the rounding digit 8 . Round up if this number is greater than or equal to 5 and round down if it is less than 5 .
Hope this helps!
A scale drawing of a car has a scale of 1 inch to 3 feet if the length of the car is 5 inches on the drawing, what is the actual length of the car?
Answer:
3 fet
Step-by-step explanation:
Simplify the expression: –2(6w + 2)
Answer:
-12w - 4
Step-by-step explanation:
simply multiply -2 with 6w and +2
-12w - 4
87°
34°
Determine the value of the missing interior angle.
A.61
B.59
C.56
D.90
10!•4!/6!•5!
Evaluate
O 1,008
O 4/3
2/3
Answer:
1008
Step-by-step explanation:
10!•4!
---------
6!•5!
Rewriting as
10 * 9*8*7*6! * 4!
---------
6!•5*4!
Canceling like terms
10 * 9*8*7
---------
5
1008
Answer:
1,008
Step-by-step explanation:
The answer is not 4/3 or 2/3. So, it has to be 1,008.
3,6 reflected across the line y=3
Answer:
(3, 0)
Step-by-step explanation:
(3,6) reflected across the line y=3
y = 3 is parallel to x- axis, the x-coordinate doesn't change and y-coordinate reflects as y - 2*3
(x, y) → (x',y') = (x, y -2*3)(3, 6) → (3, 6 -6) = (3, 0)Answer is (3,0)
Sandi had the following problem on her math test:6•4+2÷2-7
whats a area of a triangle
Answer:
A=hbb/2
Step-by-step explanation:
Area= height*base/2
i hope this is correct :)
HELP! IT'S OVERDUE! An engineer is building a bridge that should be able to hold a maximum weight of 1 ton. He builds a model of the bridge that is exactly 4 times smaller than the actual bridge. 16 ounces = 1 pound. 2,000 pounds = 1 ton. If a test of the model shows that it holds 8,000 ounces, will the bridge hold 1 ton? 1. 8,000 ounces on the model is equal to (A.32,000 B.35,000 C.80,000) pounds on the actual bridge. 2. Convert ounces to pounds. The actual bridge can hold (A.1,500 B.2,000 C.2,500) pounds. 3. Therefore, the bridge (A.will B.will not) hold one ton. PLEASE READ EVERYTHING
Answer:
1. C
2. C
3. B
Step-by-step explanation:
This was hard but i tried
Answer:
1. 32,000
2. 2,000
3. will
Step-by-step explanation:
i got it wrong and it showed me the correct answer.
The function h (x) = StartFraction 1 Over x squared + 1 EndFraction is the result of the composition f(g(x)). If g(x) = x2 + 1, what is f(x)? f (x) = StartFraction 1 Over StartRoot x EndRoot f (x) = StartFraction 1 Over x + 1 EndFraction f (x) = StartFraction 1 Over x squared + 1 EndFraction
Answer:
f(x) = 1/x
Step-by-step explanation:
Given h(x) = 1/(x²+ 1) and g(x) = x²+ 1. If h(x) = f(g(x)) then;
1/(x²+ 1) = f(x²+ 1)
f(x²+ 1) = 1/(x²+ 1)
This means that function of (x²+ 1) will give 1/(x²+ 1). To get f(x), we will simply replace x²+ 1 in the function f(x²+ 1) with x to give;
f(x) = 1/x
Hence the function of x i.e f(x) is 1/x
Answer:
B
Step-by-step explanation:
edge 2021
Which table of values will generate this graph?
Answer:
A
Step-by-step explanation:
Answer:
the answer would be A.
Step-by-step explanation:
If f(x) =5x, what is f(6)
Answer:
30.. You plug in 6 for x... so therefore 5 times 6