Answer:
The mean is 40.35 and the standard deviation is 0.13.
Step-by-step explanation:
Central Limit Theorem
The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].
For a certain type of olivine assembly, the silicon dioxide (SiO2) content (in weight percent) in a randomly chosen rock has mean 40.35 and standard deviation 0.4.
Sample of 10:
By the Central Limit Theorem, the mean is 40.35, and the standard deviation is [tex]s = \frac{\sigma}{\sqrt{n}} = \frac{0.4}{\sqrt{10}} = 0.13[/tex]
The mean is 40.35 and the standard deviation is 0.13.
Solve the equation: p2 - 4p + 4 = 0.
Perfect square trinomial
[tex] \boxed{ a^2 \pm 2ab+b^2 = (a \pm b)^2 } [/tex]
Using the perfect square trinomial
[tex] p^2 - 4p + 4 = 0 [/tex]
[tex] p^2 - 2(2p) + (2)^2 = 0 [/tex]
[tex] (p-2)^2 = 0 [/tex]
[tex] (p-2) = 0 [/tex]
[tex] p = 2 [/tex]
[tex]\huge\text{Hey there!}[/tex]
[tex]\bold{p^2-4p+4=0}[/tex]
[tex]\text{FACTOR the LEFT side of your equation}\\\bold{(p-2)(p-2)=0}[/tex]
[tex]\text{SET each of your FACTORS TO EQUAL to 0}\\\bold{p-2=0\ or\ p-2=0}[/tex]
[tex]\text{SIMPLIFY the equations\ above and you will have your answer}[/tex]
[tex]\boxed{\boxed{\bold{Answer: \large\text{\bf{p = 2}}}}}\huge\checkmark[/tex]
[tex]\textsf{Good luck on your assignment and enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]
4/5 ÷ 2/5 = ?????????
Answer:
2
Step-by-step explanation:
4/5 divided by 2/5 is equal to
4/5 * 5/2
thats 20/10
thats 2
BRANLIEST PLSSSSSSSSS
sin(30)=1
the solution set is{}?
Answer:
.5
Step-by-step explanation:
sin30 = 0.5 when multiplied by 1 it stays the same
David had a coupon for the grocery store. He graphed on the x-axis what his total bill would be if he didn’t use the coupon and graphed on the y-axis what his total bill would be if he used the coupon.
Grocery Bill
A graph has bill without coupon on the x-axis and bill with coupon on the y-axis. A line goes through points (2, 0) and (3, 1).
Based on the information in the graph, if David’s bill came to $66 after the coupon was applied, how much would his bill have been if he hadn’t used the coupon?
$64
$65
$67
$68
I will give brainliest
Answer:
68$ Is your answer
Step-by-step explanation:
Hope this helps
Answer:
d or $68
Step-by-step explanation:
It is possible, through careful consideration of economic principles and interactions, to reach a state of equilibrium in practice.
Please select the best answer from the choices provided
T
F
Answer: False
Step-by-step explanation:
Economic equilibrium simply refers to a scenario where the economic forces are equal and balanced. It is the condition whereby the demand and the supply of goods and services are equal.
We should note that economic equilibrium is only theoretical. In reality, this isn't true as the market doesn't reach equilibrium, Eben though it moves towards it.
Therefore, the statement in the question is false.
Answer:
False
Step-by-step explanation:
What percent of 50 is 10?
Answer: 20%
Step-by-step explanation:
Answer:
80%
Step-by-step explanation:
50 x .8 = 40
50 -40 =10
plz mark me brainliest
3. Find the value of x.
Need help will mark Brainliest
Answer:
x=22
Step-by-step explanation:
trust me
4x-5=13x-2
I’m stuck on this problem
Answer:
simple answer x = - 1/3
Step-by-step explanation:
hope this is helpful.
Latoya's softball team won 75%, or 18, of its game. Define a variable. Write and solve an equations to determine the number of games the team played.
Will give brainliest
Answer:
18 / 3 * 4 = a
a = 24
Step-by-step explanation:
so we know that 18 is = to %75 but we need to know what %100 is, to figure this out lets find a common denominator
so we know that %75 of something is 3/4, and to double check, we can take the fraction 3/4 and divide it the way its written, bc thats what a fraction is, a small division problem
3 / 4 = 0.75 or 75/100 or %75
so now we know we have 3 out of 4 parts of something, to find out how big each part is, we divide the number (18) by how many pieces we have...
18 / 3 = 6
so each 1/4 is = to 6, now to figure out the whole, we multiply by how many pieces are in said whole, in this case by 4
6 * 4 = 24
so since we know that 6 is = to %25 and we multiplied 6 by 4, we can do the same to %25...
25 * 4 = 100
and have the whole
this is basically a detailed explanation of the other answer
hope this helps :)
how do you describe the graph of |x| < 12 brainly
Answer:
Describe the two functions f(x) and g(x) , using the terms increasing, decreasing, maxima and minima. The graph of f(x) is periodic.
Answer:
Step-by-step explanation:
2. Find the product using any property 4x7649x25.
Answer:
764900
Step-by-step explanation:
25x4 = 100
7649x100 = 764900
expand the following expression by using the distributive method 7(10-3x))
Answer:
Step-by-step explanation:
7(10)-7(3x)
80-21x
Answer:
70+21x
Step-by-step explanation:
multiply the number that outside on the ( ) for the numbers that are in side
Stores often mark up items each year to cover inflation.
Last year, a CD at Juan's Tunes cost $12.95. This year,
the cost was marked up 8%. The store also gave anyone
who bought four CDs this
year a 10% discount. Explain
the steps to find the final cost for the four CDs this year.
Answer:
so you have $12.95. then you multiply it by 8% which gives you $13.986. Then you take 10% off of it, which gives you $12.5874.
Answer:
The new price would be 108% of last year’s price. Multiply the new price by 4 and then multiply that amount by 90% to find the sale price.
Step-by-step explanation:
sample response
Suppose you had $6.00 to buy bananas and apples. Bananas cost $0.49 per pound and apples cost $0.34 per pound. Write a linear equation that represents the different amounts of fruit you could buy.
Answer:
ok
Step-by-step explanation:
ok ok ok ok ok ok ok ok
if the cube was Rolled 78 x and the nine appears 26 times what was the experimental probability of rolling a 9
Answer:
1/3 = 0.3333 = 33.33% experimental probability of rolling a 9.
Step-by-step explanation:
The experimental probability is given by the number of desired outcomes divided by the number of total outcomes, after a number of experiments is made.
In this question:
Cube rolled 78 times.
9 appeared 26 times
26/78 = 1/3 = 0.3333 = 33.33% experimental probability of rolling a 9.
3
Choose all the expressions that are equal to
A.
8
15
5
11
B.
7
12
+
6
C. 5
6
-
1
12
D.
5. 1+
E.
7
20
3
5
Answer:
the answers (D)
Step-by-step explanation:
Please help ASAP! please and thank you!! Have a great and blessed day!
Answer:
1. ACE 2. No Yes No Yes No
Step-by-step explanation:
There you go :)
Find the value of the discriminant of the following equation 10x² + x = 1.
Answer:
41
Step-by-step explanation:
as discriminant is b^2 -4ac
b= 1
a= 10
c = -1
then
1^2 - (4*10*-1) = 1 - (-40) = 1 + 40 = 41
A car manufacturer announced that next year the price of a certain model car would increase by 3.5%. This year the price is $15,649 . The increase in the price of the car is $? The new price of the car is $?
The increase will be the original price x the increase rate.
15649 x 0.035 = $547.72
The new price would be original price + increase
15649 + 547.72 = $16,196.72
give the name monomial, binomial, trinomial and the degree of the polynomial
x.
Answer:
Name: monomial
Degree: 1
Step-by-step explanation:
Name: monomial
Degree: 1
Step-by-step explanation:
x = Monomial (Since x is only 1 term)
Degree = 1
PLEASE HELP ME PLSSSSS!!! The question is on the photo!!!
Answer:
unit of cubes in a three dimension figure
Apples and tangerines were sold in the ratio of 6 to 4.
40
tangerines were sold. How many fruits were sold?
Answer:
100.
Step-by-step explanation:
By proportion the number of apples sold is (6/4) * 40
= 6 *10
= 60.
Total fruit = 40 + 60 = 100.
Given that 6x – 7y = 22
Find y when x = -1
y =
Answer:
y = -4
Step-by-step explanation:
given x = -1
6x - 7y = 22
6(-1) -7y = 22
-6 - 7y = 22
-7y = 22 + 6
-7y = 28
y = -4
(Please heart and rate if you find it helpful, it's a motivation for me to help more people)
Which polynomial represents the quotient for the division problem shown?
-1
3
-4
-3
-7
2
7
9
-1
-9
-10
3
3
O A. 3.x2 – 7x+9
O B. - 3x² + 7x – 9
O C. 3.rº – 7x2 + 9x - 10
O D. 3.x® – 4x + 2x - 1
Answer:
It's A
Step-by-step explanation:
-10 is the reminder and is not included in the quotient which is the bottom numbers.
CAN SOME PLEASE HELP ITS AN I EMERGENCY
Answer:
C=2πr=2·π·7.5≈47.12389
Answer:
94.247780 cm is the circumference of the circle
Step-by-step explanation:
Hope this helps
how many eighth notes are in a sixteenth note
Answer:
two sixteenth notes
Step-by-step explanation:
Answer:
1/2 of an eighth notes are in a sixteenth note
Step-by-step explanation:
2 sixteens = 1 eight
good luck, hope this helps :)
WHAT I CAN DO
Activity 4: Solve the following problem.
1. Ellen has 2 chicken eggs and 3 quail eggs in a tray. What is the ratio of quail eggs
to chicken eggs?
2. A basket contains 75 mangoes. What is the ratio of the basket to the total
number of mangoes?
3. Kris bought 2 pairs of shoes and 5 pairs of socks. What is the ratio of shoes to
socks?
4. Rina planted 15 tomato seedlings and 20 pechay seedlings. What is the ratio of
pechay seedlings to tomato seedlings?
5. What is the ratio of vowel letters to consonant letters in your full name?
Answer:
1. 3:2
2. 1:75
3. 2:5
4. 20:15 or 4:3
5. count the vowel letters and consonant letters of your full name then write it according to the ratio of the numbers of vowel and consonant letters
Can help find the answer , what the increasing interval and decreasing interval. In interval notations?
Answer:
increasing on intervals
Step-by-step explanation:
cause the intervals come from a negative 2 aNd are going upwards in which the become positive
hope I helped
Which of these inequalities are equivalent to r > -11? Check all that apply.
-r < 11
3r < -33
3r > -33
-3r < 33
-3r > 33
Answer:
iits A,C,D
Step-by-step explanation:
4k+1/2-2
Can Anyone help me
Answer:
4k-2/3
Step-by-step explanation:
