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2 years ago

Amina and cara take a math test amina scores 40 marks,cara scores 60 marks write the ratio of amin to cara's marks

Mathematics

1 answer:

ICE Princess25 [194]2 years ago

6 0

Answer

Step-by-step explanation:

Ratio: 40 : 60

Total amount - $20

40/100 x 20

= 8 (ANS)

i hope my answer is correct if not i apologize.

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Simplify 8a+3b+8a-4b

Anna71 [15]

8a+3b+8a-4b=
8a+8a+3b-4b=
16a-1b=
16a-b

Hope I didn't mess up for your sake!

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3 years ago

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For each of these relations on the set {21, 22, 23, 24}, decide whether it is reflexive, whether it is symmetric, whether it is

bonufazy [111]

Answer:

Step-by-step explanation:

I. { (22,22) , (22,23) , (22,24) , (23,22) , (23,23) , (23,24) }

Reflexive : True because we see the pairs (22,22) , (23,23)..

Symmetrix : NO, as we see the pairs (22,24) BUT NOT (24,22)

Transitive : YES, As we see (22,22 ) and (22, 24) , we see the pairs (22,24)

Antisymmetric : NO

II){ (21,21) , (21,22) , (22,21) , (22,22) , (23,23) , (24,24) }

Reflexive : True because we see the pairs (22,22) , (23,23) (21,21)

Symmetrix : Yes, as we see the pairs (21,22) AND (22,21)

Transitive : YES,

Antisymmetric : NO

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3 years ago

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In 36 days a girl spent 18 dollars. On average, what did she spend daily?

ale4655 [162]

On average, she spent 18/36 = 0.5$

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3 years ago

What is 8/12 in simplest form

Pani-rosa [81]

8/12 in simplest form is 2/3.

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3 years ago

Ali finished his history assignment in 1/4

Lina20 [59]

Hello there!

For this you simply need to give both fractions a common denominator!

The easiest way to do this specific problem would be to make the denominator 12. Why 12? Because 4 x 3 = 12.

So:

1/4 --> ?/12 --> 1 (3) / 12 --> 3/12

2/3 --> ?/12 --> 2 (4) / 12 --> 8/12

Total amount of time means the sum (adding them together).

When adding fractions, you MUST have a common denominator! (Which is what we just did).

So 3/12 + 8/12 = (8+3) / 12 = 11/12 hours

Notice how the denominator stayed the same? When adding/subtracting fractions, the denominator stays the same! :)

Hope this helped!

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3 years ago