2 years ago

Is it A? If not, why?

Mathematics

1 answer:

Lostsunrise [7]2 years ago

8 0

Answer:

It's A 7^7

Step-by-step explanation:

This is because if two numbers with the same base divide,we subtract the exponent of the divisor from that of the dividend

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Please answer this question

Vladimir [108]

Answer:

a = 3/2
b = -1/2

Step-by-step explanation:

$\dfrac{\sqrt{5}-1}{\sqrt{5}+1}=\dfrac{(\sqrt{5}-1)(\sqrt{5}-1)}{(\sqrt{5}+1)(\sqrt{5}-1)}\\\\=\dfrac{5-2\sqrt{5}+1}{5-1}=\dfrac{6-2\sqrt{5}}{4}\\\\=\dfrac{3}{2}-\dfrac{1}{2}\sqrt{5}$

Comparing this to the form a+b√5, we see that ...

a = 3/2

b = -1/2

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3 years ago

I went to the movies and bought 4 tickets. It cost me 23 dollars for the tickets after I applied my 5 dollar Tuesday discount. C

Scilla [17]

Answer:

x= 5.75$

Step-by-step explanation:

23 divided by 4 = 5.75$ (without the discount it is 10.75$)

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2 years ago

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Dahasolnce [82]

Answer:

The answer is 60 cups

Step-by-step explanation:

First you need to find the area of the box which would be

12in x 15in =180in

The second step wpuld be to divide the area of the box by how tall the cups are

180/3 = 60

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3 years ago

Which triangles must be congruent

Alex17521 [72]

All three triangles are congruent by SAS

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3 years ago

Somebody help me out please

quester [9]

Answer:

the correct answer is d.

Step-by-step explanation:

i hope this helps :)

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2 years ago

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