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Lapatulllka [165]
3 years ago
13

What does [8+(2*12)]*2 equal?

Mathematics
2 answers:
deff fn [24]3 years ago
5 0

Answer:

64

Step-by-step explanation:

take 2x12=24+8=32x2=64

mart [117]3 years ago
5 0

Answer:

64 is the answer.

Step-by-step explanation:

To solve this problem, you need to follow the rules of PEMDAS.

That means what is the the parentheses is solved first, then exponents, then you solve the multiplication and division, and then you solve the addition and subtraction.

2*12 is the most specific parentheses, therefore it is solved first.

<em>2*12 equals 24.</em>

The problem is now

<em>[8+24] *2</em>

Then you add 8 and 24, which is also in the parentheses.

<em>8 + 24= 32</em>

The problem is now :

<em>32*2</em>

Then you solve the multiplication.

<em>32*2= 64</em>

Therefore the answer is 64.

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4 years ago
What is the function y=2(x-4)^2-2 written in standard form
elena-s [515]

Answer:

y = 2(x - 4) {}^{2}  - 2 \\ y = 2x {}^{2}  - 8 {}^{2}  - 2 \\ y =  {2x}^{2}  - (8 \times 8) - 2 \\ y =  {2x}^{2}  - 64 - 2 \\ y =  {2x}^{2}  - 66 \\  \\

3 0
3 years ago
The most recent poll of 50 randomly-selected members of a school club with a total of 80 members showed that 38 are planning to
melisa1 [442]

Answer with Explanation:

Total number of members in School Club = 80 members

Number of member randomly Selected,that is sample size used  (P) = 50 members

Number of members who are planning to vote for Talia = 38 members

Z Score for 95% confidence interval =1.96

it is given that Margin of Error ,E,of the poll using a 95% confidence interval=12%

E=\frac{Z*\sigma}{\sqrt{P}}\\\\ \frac{12}{100}=\frac{1.96 * \sigma}{\sqrt{50}}\\\\ \sigma=4.32890

Standard Deviation=4.3 (approx)

→95% confidence level for students who are planning to vote for Talia as president of the club lie between → 38 + 4.3 = 42.3 to 38 -4.3=33.7.

→So, members which will vote for Talia as president of the club lies between minimum of 33 members and maximum of 42 members.

5 0
3 years ago
Read 2 more answers
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