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3 years ago

Order these three values from least to greatest. Explain or show your reasoning.

Mathematics

2 answers:

aleksandr82 [10.1K]3 years ago

6 0

Answer: 82% of 50, 170% of 30, 65% of 80.

Step-by-step explanation: By converting the percentages to decimals (Shift the decimal point to the left twice for the percentages) and then multiplying them by the desired number, you will find the percentage of said number. In this case the numbers are 41, 51, 52.

faust18 [17]3 years ago

3 0

Answer:

82% out of 50

65% out of 80

170% out of 30

Step-by-step explanation:

that's the correct answer

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Which of these numbers is in the solution set of x + 5 = 15? A. 10 B. 3 C. 20 D. 11

stealth61 [152]

Answer:

Step-by-step explanation:

10 + 5 = 15

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3 years ago

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HELP PLEASE. A pizza shop charges customers based on the area of the pizza they order. The cost of a pizza in dollars can be rep

san4es73 [151]

For this case we have that the cost of each pizza is given by the following function:

$S (r) = 0.1 \pi * r ^ 2$

Where:

r: It's the radius of the pizza

IF a pizza cost $26.32 we have:

$26.32 = 0.1 \pi * r ^ 2$

We cleared the radius, using $\pi = 3.14$ :

$\frac {26.32} {0.1} = \pi * r ^ 2\\263.2 = 3.14r ^ 2\\\frac {263.2} {3.14} = r ^ 2\\83.82 = r ^ 2\\r = \pm \sqrt {83.82}$

We choose the positive value:

$r = 9.15$

So, the radius of the pizza is $9.16 \ in$

Then, the diameter is: $2r = 2 * 9.15 = 18.30 \ in$

Finally, the diameter of the pizza is: $18.30 \ in$

Answer:

Option B

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3 years ago

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Consider the arithmetic sequence 13, 16, 19, 22, 25, ... What is the 60th term in the sequence?

Pavel [41]

Answer:

180

Step-by-step explanation:

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N is the middle integer of three consecutive positive integers.

abruzzese [7]

Answer :

$\boxed{\textsf{ The final answer is \textbf{n}$^{\textbf{3}}$ .}}$

Step-by-step explanation:

Its given that n is the middle out of the three consecutive integers . So ,

The last integer will be :-

$\sf\implies Last \ Integer \ = \ n - 1$

The next Integer will be :-

$\sf\implies Next \ Integer \ = \ n + 1$

Now the Question says that the three integers are multipled to give a product . So that would be.

$\sf\implies Product_{(three\ consecutive\ integers)}= (n-1)n(n+1) = (n^2-1)(n) = \pink{n^3-n}$

Now thirdly it's given that n is added to the given integer . That would be ,

$\sf\implies Adding\ n = \ n^3 - n + n = \pink{n^3}$

Here - n and +n gets cancelled. So we are ultimately left out with n³.

Hence the final number is a cube of some number.

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3 years ago

The second term of an arithmetic sequence is 13 and the fourth term is 7.

Tomtit [17]

Answer:

Step-by-step explanation:

$d=a_4-a_3=a_3-a_2\\\\a_3-a_2=a_4-a_3\\\\2a_3=a_2+a_4\\\\2a_3=13+7\\\\2a_3=20\\\\a_3=10\\\\d=10-13=-3\\\\\\a_2=a_1+d\quad\implies\quad a_1=a_2-d=13-(-3)=16\\\\a_n=a_1+d(n-1)\\\\a_{13}=16+(-3)(13-1)=16+36=52$

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2 years ago