What is the twelth square number

Answers

Answer 1

Answer: twelth square number is the square of 11 that is 121 as 0 is the square of of 0. Than 1=1, 2=4, 3=9, 4=16, 5=25, 6=36, 7=49, 8=64, 9=81, 10=100.

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Is it possible to get a volume of 12000 cm3 with a surface area between 3200 cm3 and 4000 cm2?I have tried 60 x 20 x 10, 50 x 20 x 12, 100 x 12 x 10 and haven't even gotten close to the surface area that I need.
Mrs. Warren had 1/2 of a cherry pie left over. She split the leftover pie evenly between her 4children. What fraction of a pie did each child get?Write your answer as a fraction or as a whole or mixed number.
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Carl knows the required height of the volume of a cone-shaped vase he’s designing. Which formula can he use to determine the radius of the vase. Select the correct answer.A. r = V/ 3πh B. r = V /πh C. r = 3V/ πh D. r = ± /V πh

7) Given that Sn=3-2^(-4n)is the sum of the first n terms of a sequence.
Un is the n term.
a) Express Un+1 in terms of n.
b) Deduce that the
sequence is a geometric progression.

Answers

Answer:

Step-by-step explanation:

$s_(n)=3-2^(-4n)\ns_(n+1)=3-2^(-4(n+1))=3-2^(-4n) *2^(-4)\ns_(n+1)-s_(n)=3-2^(-4n)*2^-4-3+2^(-4n)$

$=2^(-4n)-2^(-4n)*2^(-4)\n=2^(-4n)(1-2^(-4))\n=2^(-4n)((2^4-1)/(2^4))\n=2^(-4n)(15)/(16)\nU_(n+1)=15*2^(-4(n+1))$

Rewrite the formula for the circumference of a circle C=2 /pi r in terms of its diameter d.Show your work please

Answers

If C=2πr, it would also mean C=πd.

Final answer:

The formula for the circumference of a circle can be rewritten in terms of its diameter by replacing the '2r' with 'd', given that the diameter is twice the radius. This yields the new formula: C = πd.

Explanation:

The original formula for the circumference of a circle is C = 2πr, where 'C' represents the circumference, 'π' is a mathematical constant approximately equal to 3.14, and 'r' is the radius of the circle.

To rewrite this formula in terms of the diameter, we need to know the fundamental relationship between the radius and the diameter of a circle. In every circle, the diameter 'd' is simply twice the radius: d = 2r.
Substituting this into the original formula, we replace the '2r' in 'C = 2πr' with 'd'. This gives us the new formula: C = πd.

So, the formula for the circumference of a circle in terms of its diameter is C = πd.

Learn more about Circumference of a Circle here:

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Given ~ and AB = 20, CA = 8, and US = 9, what is ST?
Does anyone know?

Answers

ST would be 22.5.
Assuming ΔABC and ΔSTU are similar, they have to be proportional, so you could create a proportion to figure it out: 8/20=9/? (if you need to know how I got that, message me). Then you could cross multiply. 9x20 is 45, so that means that the measure of ST times 8 has to equal 45. If you divide 45 by 8, you get 22.5, so that makes the measure of ST 22.5.
(Sorry if that was confusing, I can always take a picture of my work if you need further explanation)

7 out of 10 students got full marks on their test, calculate the angle you would use in a pie chart to show this

Answers

its simple 7/10=0,7 right? then 0,7x360= 252 degrees in that pie chart

An ice cream factory makes 140 quarts of ice cream in 10 hours. What was the rate per day?

Answers

24=day
10x2.4=24
140x2.4=336
336 quarts of ice cream a day(2.4 times greater than 140 quarts and 10 hours)

Draw a conclusion is the statement below always sometimes or never true give at least two examples to support your reasoning the least common multiple of two numbers is the product of the two numbers

Answers

It's sometimes true.

One example is the least common multiple of 2 and 3 is 6, which is their product.

But the product isn't always the answer because (example 2:) the least common multiple of 6 and 10 is 30 because 6*5=30 and 3*10=30, however 6*10 is 60.

Ergo, it is only sometimes true.

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