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3 years ago

How much ounces are in a pound

Mathematics

1 answer:

Yuki888 [10]3 years ago

7 0

Please look at the image attached.

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What can you tell about two integers when their quotient is positive? negative? or zero?

Archy [21]

If the quotient is positive, we know that the two integers are either both positive or both negative.

If the quotient is negative, we know that one integer is positive and the other is negative.

If the quotient is zero, then we are dividing 0 by some non-zero integer.

3 0

3 years ago

How many positive integers can be expressed ad a product of two or more of the prime numbers 5,7,11,and 13 if no one product is

sertanlavr [38]

Answer:

11 positive integers can be expressed.

Step-by-step explanation:

Consider the provided information.

The number of possible prime numbers are 5,7,11,and 13.

There are 4 possible prime numbers.

How many positive integers can be expressed as a product of two or more of the prime numbers, that means there can be product of two numbers, three number or four numbers.

The formula to calculate combinations is: $^nC_r=\frac{n!}{r!(n-r)!}$

The number of ways are:

$^4C_2+^4C_3+^4C_4=\frac{4!}{2!(4-2)!}+\frac{4!}{3!(4-3)!}+\frac{4!}{4!}$

$^4C_2+^4C_3+^4C_4=\frac{4!}{2!2!}+\frac{4!}{3!}+1$

$^4C_2+^4C_3+^4C_4=6+4+1$

$^4C_2+^4C_3+^4C_4=11$

Hence, 11 positive integers can be expressed.

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3 years ago

Five apples cost $4.90 how much apples does each apple cost?

Fudgin [204]

Answer: $0.98 per apple

Step-by-step explanation: 4.90 divided by 5

6 0

3 years ago

21. What must be added to -9 to have a sum of 20?

Inga [223]

Answer:

21C

22D

23B

24C

25A

Step-by-step explanation:

7 0

2 years ago

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Estimate with one digit 6/253

aleksandr82 [10.1K]

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3 years ago