2 years ago

Solve the following:-

Mathematics

1 answer:

Mazyrski [523]2 years ago

5 0

Step-by-step explanation:

I solved it now, you can check by the pic attached to the answer.

thank you very much. ;-) ♥ ♥

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What is the sum of 2^5 and 7^2? Write the answer in the ordinary form.

posledela

Answer:

It's 81

Step-by-step explanation:

2^5 is 2*2*2*2*2 or 32

7^2 is 7*7 or 49

Add them together... 81

5 0

2 years ago

This is confusing (2x+y)^2−(x−2y)^2

Iteru [2.4K]

Answer:

${(2x + y)}^{2} - {(x - 2y)}^{2}$

$< {(x + y)}^{2} = {x}^{2} + 2xy + {y}^{2} >$

$< {(x - y)}^{2} = {x}^{2} - 2xy + {y}^{2} >$

${(2x)}^{2} + 2(2x)(y) + {(y)}^{2} - {(x)}^{2} - 2(x)(2y) + {(2y)}^{2}$

${4x}^{2} + 4xy + {y}^{2} - {x}^{2} - 4xy + {4y}^{2}$

${4x}^{2} - {x}^{2} + {4y}^{2} + {y}^{2}$

$= {3x}^{2} + {5y}^{2}$

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3 years ago

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Question 1 If f(x) = (x-1), what is f(-4.2)?

lana66690 [7]

Answer:

-5.2

Step-by-step explanation:

4 0

3 years ago

46% of what is 13? A)6 B)28.3 C)598 D)25

jek_recluse [69]

Answer:

5.98

Step-by-step explanation:

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2 years ago

Pls answer fast first to answer correct is the gets brainliest

11Alexandr11 [23.1K]

Answer:

The answer is the first option; 6^1/12

Step-by-step explanation:

We can simplify the question by using the radical rule to rewrite it as
6^1/3 ÷ 6^1/4

Then we use exponent rule which states that when we are dividing exponents of the same base, we have to subtract them. We see that the exponents are 1/3 and 1/4. So we use basic fractional division, here's the subtraction:

= 1/3 - 1/4
= 4/3 - 3/4 (we criss-crossed)
= 1/12 (we subtracted the denominators and multiplied the denominators)

Now that we have subtracted the exponents, we can write the answer as 6^1/12

7 0

2 years ago

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