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sergeinik [125]
3 years ago
15

What is; 3+7+2-1+12-8÷19=

Mathematics
2 answers:
Novay_Z [31]3 years ago
8 0

Answer:

22.5 repeated

Step-by-step explanation:

kolezko [41]3 years ago
5 0
22.57 just use a calculator or do pemdas p (parentheses) e (exponents) m (multiple) d (divide) a (addition) s(subtract) thats the order then doing math with different signs
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The motives for developing calculus in the 1700s were: A. problems in physics. B. problems in biology. C. problems in psychology
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Which explains whether sophia is correct
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7 0
2 years ago
|x2+x-20<br> 22-11x+28<br> e:<br> x2-x-30<br> 3x-18
elena-s [515]

Answer:

x2 - 10x - 1994

Step-by-step explanation:

Step  1  :

Trying to factor by splitting the middle term

1.1     Factoring  x2-10x-1994

The first term is,  x2  its coefficient is  1 .

The middle term is,  -10x  its coefficient is  -10 .

The last term, "the constant", is  -1994

Step-1 : Multiply the coefficient of the first term by the constant   1 • -1994 = -1994

Step-2 : Find two factors of  -1994  whose sum equals the coefficient of the middle term, which is   -10 .

     -1994    +    1    =    -1993

     -997    +    2    =    -995

     -2    +    997    =    995

     -1    +    1994    =    1993

Observation : No two such factors can be found !!

Conclusion : Trinomial can not be factored

Final result :

 x2 - 10x - 1994

Processing ends successfully

plz mark me as brainliest :)

6 0
3 years ago
Find the measure of angle C.<br> B (110°<br> 30°<br> A
Oksana_A [137]

Explanation is in the file

tinyurl.com/wpazsebu

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3 years ago
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