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3 years ago

Please answer number 2

Mathematics

1 answer:

viva [34]3 years ago

8 0

They aren't necessarily equal because, for example, 3/2 = 1 remainder 1 and 5/4 = 1 remainder 1 aren't equal because it takes 2 x 1 = 2 + 1 = 3 while 4 x 1 = 4 + 1 = 5. They are the same quotient and remainer, except they aren't used to check if it multiplys back to the same divended.

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(7n7 − 4n6 − 14) − (2n7 + 15n6+ 11)

ss7ja [257]

Answer: 5n^2 -19n^2-25

Step-by-step explanation: combine like terms / distribute

7 0

3 years ago

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Use the substitution method to solve the system of equations. Choose the

Hatshy [7]

Answer:

(3, 2) is the ordered pair for the given system of equations.

Step-by-step explanation:

Given:

2 x+ y = 8.......................(i)

y = - x + 5........................(ii)

Put y = - x + 5 in equation (i)-

2 x + ( - x+ 5) = 8

2 x - x + 5 = 8

x = 8 - 5

x = 3

Now put x = 3 in equation (ii)-

y = - 3 + 5

y = 2

Hence the (3, 2) is the correct ordered pair.

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4 years ago

Which is a true conclusion based on the Venn diagram? If a number is prime, it is also odd. If a number is odd, it is also prime

krek1111 [17]

Answer:

If a number is prime, it may or may not be odd.

Step-by-step explanation:

The prime numbers are all natural numbers greater than 1, which are only divisible between themselves and between 1. For example: 2, 3, 5, 7, 11 ...

A Venn diagram is shown in the attached figure

There you can see that not all even numbers are primes for example, 4 is an even number, but it is not a prime number. Then, not all odd numbers are prime numbers, for example 9 is an odd number, but it is not a prime number.

Neither all prime numbers are odd, for example the number 2 is a prime number and it is not odd.

Notice in the attached Venn diagram that the set of prime numbers contains even numbers and also odd numbers.

Therefore, the correct statement is the last option:

If a number is prime, it may or may not be odd.

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3 years ago

Select two ratios that are equivalent to 27 9

vaieri [72.5K]

Answer:

27:9 divided by 3 on both sides,

9:3

27:9 divided by 9 on both sides,

3:1

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3 years ago

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Lesechka [4]

Answer:

(-2,2) (1,3)

Step-by-step explanation:

i got it on my test i just did.

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3 years ago

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