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3 years ago

Out of a box 200 apples 10 of them has gotten bad

Mathematics

2 answers:

Olenka [21]3 years ago

7 0

Answer: 1/20 and 19/20

Step-by-step explanation:

mafiozo [28]3 years ago

7 0

10/200 is equivalent to 5/100 which can be simplified to 1/20, meaning 1/20 of the apples have gone bad.

190 apples are still okay. in this equation 200 is 100% . if you find 10% of 200 it would be 20. now you have to find 5% which is half of 20 so 10. meaning now you have to find how many 20’s and 10’s go into 190. the answer is 9 20’s and 1 10. So now you add 9 10%’s together to get 90% and add 10 which is 5%, meaning the total of apples that were still good to eat would be 95%.

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If $7000 is borrowed at the rate of 5% per annum for 3 years what is the simple interest

Strike441 [17]

Answer:

$450

Step-by-step explanation:

7 0

2 years ago

Prove that if r is any rational number, then 3r2 − 2r + 4 is rational. The following properties may be used in your proof. Prope

ziro4ka [17]

Given:

Expression is

$3r^2-2r+4$

To prove:

If r is any rational number, then $3r^2-2r+4$ is rational.

Step-by-step explanation:

Property 1: Every integer is a rational number. It is Theorem 4.3.1.

Property 2: The sum of any two rational numbers is rational. It is Theorem 4.3.2.

Property 3: The product of any two rational numbers is rational. It is Exercise 15 in Section 4.3.

Let r be any rational number.

We have,

$3r^2-2r+4$

It can be written as

$3(r\times r)-2r+4$

Now,

3, -2 and 4 are rational numbers by property 1.

$r^2=r\times r$ is rational by Property 3.

$3r^2\text{ and }-2r$ are rational by Property 3.

$3r^2+(-2r)+4$ is rational by property 2.

So, $3r^2-2r+4$ is rational.

Hence proved.

6 0

3 years ago

What characteristics lead to a downward sloping demand curve?

Makovka662 [10]

In economics, the downward sloping demand curve is used to illustrate the law of diminishing marginal utility. This means that if more of the product is consumed, the marginal benefit to the consumer falls. This is also the instance in which the consumers are willing to pay less than the original amount for the same product.

7 0

3 years ago

PLEASE HELP ME WILL MAKE BRAINLIEST

ira [324]

Answer:

You add all them then divided 4 i think

8 0

3 years ago

Read 2 more answers

Please answer this correctly

rewona [7]

Answer: