3 years ago

Which is greater 27 or -49

Mathematics

2 answers:

Pavlova-9 [17]3 years ago

7 0

Answer:

Step-by-step explanation:

it's a lager number so it's greater

svp [43]3 years ago

6 0

Answer:

Step-by-step explanation:

Positive is always greater than a negative.

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Beth sold half of her comic books and then bought nine more. She now has 28. With how many did she begin?

tankabanditka [31]

Answer:

She had 38!

Step-by-step explanation:

28-9 is 19 then just multiply that by two which is 38

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2 years ago

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There are 9 people that have a conversation with each other exactly one time.

Sedbober [7]

The question is an illustration of arithmetic sequence.

The number of conversation for 19 people is 171

(a) 9 people

$Total = \frac{9 \times 8}{2}$

9 represents the number of people

8 represents the number of conversation each person had

2 represents the number of people having a conversation at once (i.e 2 people at once)

(b) 19 people

We have:

$n = 19$

The number of conversation is:

$Total = \frac{n \times (n -1)}{2}$

So, we have:

$Total = \frac{19 \times (19 -1)}{2}$

$Total = \frac{19 \times 18}{2}$

$Total = 19 \times 9$

$Total = 171$

Hence, the number of conversation for 19 people is 171

Read more about arithmetic sequence at:

brainly.com/question/18109692

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2 years ago

What is equivalent to 3^4/3^7

Misha Larkins [42]

i believe your answer will be 0.04 or 4/100

OR if you need an equivalent expression, that would be 81/2187

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2 years ago

How many solutions does this system

mr Goodwill [35]

The answer is B.) one

Hope this helps :)

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3 years ago

Convert the following to degrees/radians :

xz_007 [3.2K]

$\pi \div 180 \times 300rad = 10\pi \div 6rd \\d$

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3 years ago

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