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Vinil7 [7]
3 years ago
7

Find the sum of 46 + 42 + 38 + ... + (-446) + (-450).​

Mathematics
1 answer:
gogolik [260]3 years ago
5 0

Answer: -770

Step-by-step explanation:

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If the first chapter of a certain book is 28 pages long and makes up 4% of the book, how many pages does the entire book have?
Schach [20]

Answer:

700 pages

Step-by-step explanation:

I first found out how many pages were in 1% so I divided 28 by 4.  

I got 7 so I multiplied it by 100 and 700 was the answer.

Basically:

28÷4 = 7

7 x 100 = 700

I hope that kinda made sense!

8 0
3 years ago
What is the angular size of Mars, as seen from the Earth, when it was closest to the Earth?
lesantik [10]

The angular size of Mars, as seen from the Earth, when it was closest to the Earth is 25 arcseconds.

<h3>What is angular size?</h3>

It should be noted that angular size is the object's apparent size as seen from an observer on Earth.

At its closest approach, the angular size of Mars is 25 arcseconds. This was known through the use of a telescope.

Learn more about Mars on:

brainly.com/question/644043

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5 0
2 years ago
One person can do a certain job in twenty-one minutes, and another person can do the same job in twenty-eight
ivolga24 [154]

Answer: 12

Step-by-step explanation:

if there are 2 people then doing the same job then that means divide by two so 8 which is off the 28 , 8 divided by 2 is 4, then, that makes 24 , and 24 divided by 2 is 12 so the answer is 12

4 0
3 years ago
Which expression is a common factor of x2+10x+16 and x2+11x+18 ?
Arada [10]
X+2 is the only command factor when re-writing the expression in Alternate form.
(x+8) (x+2) & (x+9) (x+2)
7 0
3 years ago
Select the decimal number that is equivalent to the mixed number 94 79/100 .
zhannawk [14.2K]
Since 79/100 can be written as 0.79 
you can write 94 79/100 as 94.79
4 0
3 years ago
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