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Lelechka [254]
3 years ago
5

How can I learn to do standard notation and scientific notation?

Mathematics
1 answer:
jonny [76]3 years ago
5 0
Just watch videos on youtube.
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4x-5y=0<br> 8x+5y=-60 <br> what is the answer by substitution or elimination?
yuradex [85]
The answer is -5, -5 added by 5 cancels each other out. Then when you add 4x + 8x, you get 12x. So when you do 12x= -60, you get -5.

7 0
3 years ago
Please answer correctly !!!!!!!! Will mark brainliest !!!!!!!!!
Evgesh-ka [11]

Answer:

C. Add the equations

Step-by-step explanation:

Adding both the equations will help eliminating 5y.

6 0
3 years ago
In 2decimal places 39.98015​
Morgarella [4.7K]

Answer:

39.98

Explanation:

39.98015​

0 < 5, so 2nd decimal stays at 8

6 0
3 years ago
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Which of the numbers below could be terms in the sequence an = 4n - 7? Check all that apply.
cluponka [151]
There are several possible terms which can be included given the sequence formula an = 4n - 7. If we list all the possibilities, here are as follows:

n      an
0      -7
1      -3
2      1
3      5
.       .
.       .
.       .
n      an

Substitute any number n to an and you can get all the terms in the sequence.
6 0
3 years ago
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The solution to a conjunction is the what of the two solutions?
svetoff [14.1K]

Answer:

A conjunction is a statement formed by adding two statements with the connector AND. The symbol for conjunction is ‘∧’ which can be read as ‘and’. When two statements p and q are joined in a statement, the conjunction will be expressed symbolically as p ∧ q. If both the combining statements are true, then this statement will be true; otherwise, it is false.

Step-by-step explanation:

hope this helps:)

3 0
3 years ago
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