If the perimeter of triangle abc is 50cm what is the perimeter of triangle def?
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Please solve this equation
Identify equations from visual models (hangerThe hanger image below represents a balanced equation.рpрWrite an equation to represent the image.
A recipe requires 3/4 cups of sugar for every 14 cookies how many cups of sugar will be needed to bake 168 cookies
What is the value of the expression when a = 6, b = 4, and c = 8? 2a/3b−cA: 1B: 3C: 8D: 12
(b) How large must the sample be if you want to halve the standard deviation of the sample mean?
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Answer:
Step-by-step explanation:
Given that:
population mean = 10
variance = 25 ;
=
= 5
sample size n = 28
The standard deviation of the sample mean:
=
= 0.95
To halve the standard deviation of the sample mean, the size of how large the sample will be can be computed as follows:
= 2
n = 4 × 28
n = 112
The standard deviation is 0.95 and if the standard deviation is halved then the sample mean is 112.
What is a standard deviation?
It is the measure of the dispersion of statistical data. Dispersion is the extent to which the value is in a variation.
A normal population has a mean of 10 and a variance of 25.
A random sample of sizes n-28 is selected.
A. The standard deviation will be
B. The sample be if you want to halve the standard deviation of the sample mean
More about the standard deviation link is given below.
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84/3=28 min
it takes Greg 32 min on the third day
28x3=84
84-27-25=32
That is my solution.
Bombur’s salary increased by: . dollars
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Answer:
To find out whose salary increased more in absolute terms, we'll calculate the absolute increase for each person.
For Sneezy:
Initial salary = $2500
Final salary = $4522
Sneezy's salary increased by:
Absolute increase = Final salary - Initial salary
Absolute increase = $4522 - $2500 = $2022
For Bombur:
Initial salary = $4000
Final salary = $6700
Bombur's salary increased by:
Absolute increase = Final salary - Initial salary
Absolute increase = $6700 - $4000 = $2700
Now, comparing the absolute increases:
Sneezy's salary increased by $2022.
Bombur's salary increased by $2700.
So, Bombur's salary increased more in absolute terms.
Step-by-step explanation:
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D.y=+or-sqrt28+4x so the answer is D.
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2(x - 2)² = 8(7 + y)
Rewrite the expression as follows:
7 + y = (2/8)*(x-2)² = (1/4)*(x-2)²
y = (1/4)(x-2)² - 7
To find the inverse, switch x and y, and solve for y.
x = (1/4)(y-2)² - 7
Multiply through by 4.
4x = (y-2)² - 28
(y-2)² = 4x + 28
y - 2 = √(4x + 28)
y = 2 +/- √(4x + 28)
This expression is the inverse of the given expression.
Therefore the answer is D."
By Dzampo
Answer:
It’s D
Step-by-step explanation:
On edge
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Answer:
32centimeters
Step-by-step explanation:
4 sides are in a sqaure and all of them are equal so
8 times 4 is 32