3 years ago

Help me I don't know what it is.

Mathematics

1 answer:

kotegsom [21]3 years ago

8 0

Answer:

a is the correct answer

Step-by-step explanation:

-6-(-3)

-6+3

-3

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X over 85 = 72 over 100

gayaneshka [121]

Answer:

X=61.2

Step-by-step explanation:

x/85 = 72/100

x*100/8500 = 6120/8500

x*100 must equal 6120 therefore x must be 61.2 because 61.2 * 100 is 6120

7 0

3 years ago

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Carrie is buying bulk candy for a high school fundraiser. She buys 1000 candy bars for $350. What is the unit cost per candy bar

Darina [25.2K]

B. $0.35
since to find the unit rate of one candy bar, you have to divide $350 by 1000 and you get $0.35
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3 years ago

Evaluate the expression when c=3 and d=35 d-6c

dexar [7]

17 is the correct answer.

3 0

3 years ago

I need help asap :):):):

Kamila [148]

Answer:

its the second one

Step-by-step explanation:

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3 years ago

Prove that the product of any two consecutive natural numbers is even.

Vitek1552 [10]

Answer with Step-by-step explanation:

Let us assume the 2 consecutive natural numbers are 'n' and 'n+1'

Thus the product of the 2 numbers is given by

$Product=n(n+1)\\\\$

We know that the sum of 'n' consecutive natural numbers starting from 1 is

$S_n=\frac{n(n+1)}{2}\\\\\therefore n(n+1)=2\times S_n............(i)$

Thus from equation 'i' we can write

$Product=2\times S_n$

As we know that any number multiplied by 2 is even thus we conclude that the product of 2 consecutive numbers is even.

6 0

3 years ago