MATHEMATICS HIGH SCHOOL

1. Calculate the simple interest over an amount of N$ 2500 that is invested for 3 years and 6 months at a rate of 7% pa.​

Answers

Answer 1
Answer:

Answer:

N$  612.5

Step by step explaination:

Given,

Principal or'P'=N$2500

Time or'n'=3 years & 6 months or 3.5 years

Rate of profit or 'r'=7% or 7/100

Profit or 'I'=?

_____________________________________

We know,

I=P*n*r

I=2500*3.5*7/100

I=612.5

So,simple interest is N$  612.5.

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I Need The Answer QuickJessica's employer pays the employee's at his store "time and a half" for overtime when they work more than 40 hours per week. Jessica's regular hourly wage is $7.50 and she worked 48 hours this week.

Jessica's gross pay will be: $______

Answers

You could have found the answer in less time than it took you to post the question.

-- Jessica's hourly rate is    $7.50 per hour for the first 40 hours,

-- It's (1.5 x $7.50) for each hour over 40 hours.


-- Jessica earned    (40 x $7.50)  for the first 40 hours.

-- She earned  (1.5 x $7.50) for each of the next 8 hours.

First multiplyum, then addum up.

If a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground, what is the final velocity of the stone? A. 39.2 m/s B. 42.6 m/s C. 78.4 m/s D. 156.8 m/s

Answers

Getting the final velocity of a free fall, we need to use this formula: 
vf = g * t
where
g = 9.8 m/s^2
t = time

From the problem given, the final velocity of the stone is
vf = g * t
vf = 9.8 m/s^2 * 8 s
vf = 78.4 m/s

So the correct answer is letter C. 78.4 m/s

your answer is C. 78.4 m/s

i just took the test

At a high school, students can choose between three art electives, four history electives, and five computer electives. Each student can choose two electives. Which expression represents the probability that a student chooses an art elective and a history elective?

Answers

Answer:

(^3C_1* ^4C_1)/(^(12)C_2)

Step-by-step explanation:

Given,

Art electives = 3,

History electives = 4,

Computer electives = 5,

Total number of electives = 3 + 4 + 5 = 12,

Since, if a student chooses an art elective and a history elective,

So, the total combination of choosing an art elective and a history elective = ^3C_1* ^4C_1

Also, the total combination of choosing any 2 subjects out of 12 subjects = ^(12)C_2

Hence, the probability that a student chooses an art elective and a history elective = \frac{\text{Total combination of choosing an art elective and a history}}{\text{ Total combination of choosing any 2 subjects}}

=(^3C_1* ^4C_1)/(^(12)C_2)

Which is the required expression.

Answer: Hello!

we have:

3 art electives

4 history electives

5 computer electives

which adds to a total of 12.

If the selection is random, each elective has the same probability.

The probability of selecting an art electives is the quotient between the number of art electives and the total number of electives:

3/12

suppose that this event is true, now we need to see the probability of choosing also a history elective;

We do the same process as before, we have 4 history electives and, because we already selected 1 in the previous step, we have a total of 11 electives:

the probability now is 4/11.

Now we want to calculate the joint probability of bot events is equal to the product of their probabilities; this is:

p= (3/12)*(4/12) = (4*3)/(11*12) = 12/(11*12) = 1/11

But there is also the case where the selection is in the other order (first history and second art) so the probability is equal to

2*1/11 = 2/11

HELP ME WITH THIS PLZZZZ​

Answers

Answer: 17

It’s 17 because they are the same shape and size just are flipped

Identify the fallacies of weak induction committed by the following arguments, giving a brief explanation for your answer. If no fallacy is committed, write "no fallacy." There is substantial evidence that units of the Chinese military hack into the computers of American technology companies to steal intellectual property and trade secrets. But Chinese Premier Li Keqiang denies that this happens. Therefore, given Mr. Li's intimate knowledge of the Chinese military, we must conclude that the Chinese military does not engage in hacking.

Answers

Answer:

The correct answer is: Appeal to false authority. He is obvisouly biased

Step-by-step explanation:

Aubrey prepared 15 kilograms of dough after working 5 hours. How many hours did Aubrey work if she prepared 18 kilograms of dough?

Answers

Answer:

6 hours

Step-by-step explanation:

Set up a proportion:

15kg/5 hrs = 18kg/x hrs

Cross multiply:

5(18)=15x

90 = 15x

Divide by 15:

90/15 = x

6 = x

Answer:

21

Step-by-step explanation:
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