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2 years ago

HELP ME PLEASE, I'M GIVING YOU ALL MY POINTS ;-; (which is 25)

Mathematics

1 answer:

pishuonlain [190]2 years ago

5 0

The answer to 31,096 + 59,721 is 89,817 so B 89,800 is the best estimate

2nd- The answer to 69,896 - 42,901 is 26,995 so A 26,900 is the best answer

3rd- 630,429 - 27,811 is 602,618 so the best answer(s) would be A 630,400 and C 27,800

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In Dr. Mosley's waiting room, 4 magazines are scattered on the chairs. A patient named Tristan decides he probably has time to s

iragen [17]

Answer: Tristan can pick them out in 6 different ways

Step-by-step explanation: In the waiting room the four magazines all have an equal chance of being picked first and then others would be picked subsequently. If we are to pick magazine A first of all, then the others would be picked as B, C and D, or C, B and D, or D, B and C, and so on.

However, rather than spend so much time counting the different ways we can apply the mathematical method of permutation. Since choosing the first one means we can’t choose it again but others have to be chosen, and all four magazines each has an equal chance of being chosen first, then the number of all possible permutations is given as 4! (four factorial).

The question requires us to chose three out of the four magazines, so we shall apply 3!.

3! = 3 x 2 x 1

3! = 6

Therefore, there are 6 different ways to pick three out of the four magazines

6 0

2 years ago

Read 2 more answers

What is 175% of 8000? Round to the nearest hundredth (if necessary).

igomit [66]

Answer: 175% of 8000 is equal to 14000.

Step-by-step explanation:

We know that to convert a percentage into fraction or decimal , we divide it by 100 .

Also, if find <em>x% of y</em> , then on next step we change '%' sign by $\dfrac{1}{100}$ and 'of ' by Multiply sign (x).

Given problem : 175% of 8000

which can be re-written as: $\dfrac{175}{100}\times8000$

$=\dfrac{175\times80}{1}\\\\=14000$ (On solving)

i.e. on solving 175% of 8000, we get 14000

Therefore, 175% of 8000 is equal to 14000.

7 0

2 years ago

I need help on now!!What is one difference??

Mumz [18]

They're alike because they each have 5 sides. They're different because figure A has no right angles but figure B does.

4 0

2 years ago

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Roslan had a total of $50 in 10-cent coins,20-cent coins and 50-cent coins. The value of his 10-cent coins was 30% of the total

Len [333]

Answer:

$21

Step-by-step explanation:

Provided total value = $50

$50 = 5,000 cents.

We are provided,

10 cent coins value = 30% of total value

= 0.3 $\times$ 5,000 cents = 1,500 cents

Value of 20 cents coin = 28% of total value

= 0.28 $\times$ 5,000 cents = 1,400 cents

Therefore, remaining value of cents = Total value of 50 cents coins

5,000 cents - value of 10-cent coins - value of 20-cent coins = total value of 50 cents coins

5,000 - 1,500 - 1,400 = 2,100 cents = $21

Which means number of 50 cents coin = $\frac{2,100}{50} = 42\ coins$

Alternatively,

To calculate value of 50 cent coins

Total value = 100%

Value in 10-cent coins + 20-cent coins = 30% + 28% = 58%

Value in 50-cent coins = 100 - 58 = 42%

= $50 $\times$ 42% = $21

4 0

2 years ago

Is the following a function?

saw5 [17]

Answer:

yes

Step-by-step explanation:

For the relation to be a function, there must only be one corresponding value of y (range) for any value of x in the domain, that is a one-to- one relationship

This graph displays this feature and is a function.

5 0

2 years ago

Read 2 more answers