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Ierofanga [76]
3 years ago
7

Find the sum of all positive whole numbers x such that 2x-7 < 21.

Mathematics
2 answers:
iren [92.7K]3 years ago
7 0
9 < x. So any numbers less than nine would be the answer. But it says that any positive numbers so; 1,2,3,4,5,67 and 8 are your answers
rewona [7]3 years ago
4 0
The numbers can be 1,2,3,4,5,6,7,8,9, or 10 those are the best answer
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Helpppp please !!! i’ll give brainliest
Over [174]

Answer:

109.5

Step-by-step explanation:

4 sides equals 360 degrees. 360 minus 96 and 45 is 219. divide 219 by 2 and boom theres your answer.

4 0
3 years ago
If I Row my canoe at 5 mph and I travel upstream at 3 mph, how fast will I be traveling downstream if I am rowing at the same ra
Assoli18 [71]
Is the same as the one you just did.

keep in mind that, going against the current, the current's speed erodes speed from your regular speed, whilst if you're going with the current, the current's speed adds to it.

now, in this case, you row 5mph, going upstream you're only doing 3mph, whatever happened to the other 2mph?  well, the current speed eroded them, meaning the speed of the river is 2mph.

now, going downstream with the current, your regular speed is 5mph, and the current is 2mph, since the current adds to yours, then you're going 5 + 2, mph.
5 0
3 years ago
In imaginary numbers can you multiply two radicals that have negative values under them that do not square to whole numbers
ElenaW [278]
Yes, you can; based on the inherent assumption that the "two radicals that have negative values" are, in fact, "imaginary numbers" .

Take, for example, the commonly known "imaginary number":  "i" ;  which represents the "imaginary number" ;  " √-1 " .

Since:  "i = √-1" ; 

Note that:   " i² = (√-1)² = √-1 * √-1 = √(-1*-1) = √1 = 1 .
__________________________________________________
7 0
3 years ago
Read 2 more answers
Answer please and explain some of them!
boyakko [2]
The first one is < because if you have 5 part of 7, you have more parts than if you have 4 parts of 7, but it’s negative so it’s the opposite
8 0
3 years ago
Which expression is equivalent to 1/2x+(−7)−2 1/4x−(−2)?
aleksley [76]

Answer:

A

Step-by-step explanation:

because A is the correct anwer

3 0
3 years ago
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