What is this answer

Mathematics

1 answer:

Morgarella [4.7K]3 years ago

6 0

Answer:multiply it by it self

Step-by-step explanation:49×49=________

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Can you add exponents if their bases are different?

Andrew [12]

In plain and short, nope, their bases must be the same in order for the exponents to be summed up, whilst keeping the same base.

3 0

3 years ago

A bag of apples weighs 7 2/7

photoshop1234 [79]

Answer:

43.71428571

Step-by-step explanation:

First, convert 7 2/7 into an improper fraction: 51/7

Second, multiply 51/7 by 5: 255/7

Third, add 255/7 and 51/7 to get 306/7

306/7 = 43.71428571

6 0

3 years ago

Choose 2 hellllpppppp plzzzxxxxzz

diamong [38]

Answer:

Choices C and D

Step-by-step explanation:

The most simplest way is just to solve each one and see which two have the same answer as the first expression.

But you could also see that both of the $\frac{4}{7}$ are going to cancel each other out so you are left with $-\frac{8}{9} +\frac{9}{8}$ which is also choice C.

For choice D I distributed the negative one to the insides of the parenthesis that left me with $-\frac{4}{7}-\frac{8}{9}+\frac{4}{7} +\frac{9}{8}$ which is the same expression as the first one.