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g100num [7]
2 years ago
9

PLS HELP ME ASAP I NEED HELP RN PLS WHOEVER ANSWERS IS THE BRAINLIEST

Mathematics
1 answer:
posledela2 years ago
4 0

Answer:

100

Step-by-step explanation:

She wants to average 85, so adding ALL three of her scores, divided by 3 needs to equal 85.

(75 + 80 + x)/3 = 85

Times by 3.

75 + 80 + x = 255

155 + x = 255

subtract 155.

x = 100

She needs 100 on the third test.

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gordon was thinking of a number. gordon subtracts 11 from it and gets an answer of 30.4, what was the original number?
victus00 [196]

Answer:

41.4 is the answer

Step-by-step explanation:

3 0
3 years ago
How much will you get paid every week if your annual salary is $90,961.52?
pentagon [3]

Answer:

$1749.26

Step-by-step explanation:

Divide 90961.25 by 52.

4 0
4 years ago
3x+3y=27<br> 3x-3y= -11<br> using elimination
Taya2010 [7]
3x + 3y = 27
3x - 3y = -11
------------------add
6x = 16
x = 16/6 which reduces to 8/3

3x + 3y = 27
3(8/3) + 3y = 27
8 + 3y = 27
3y = 27 - 8
3y = 19
y = 19/3

solution is (8/3, 19/3)
3 0
3 years ago
Does this graph represent a function? Why or why not?
jek_recluse [69]
No, because it is not a straight line
8 0
3 years ago
Read 2 more answers
Do 5, 6, and 7 form a right triangle
bagirrra123 [75]

Answer:

Therefore in this problem 7 is the larger length and should be the hypotenuse, and 5 and 6 should be the lengths of the other two sides. Calculating: √( 52+62) = √(25+36) = √61=7.82 ≠ 7 , Therefore this is not a right angle triangle based on the Pythagorean theorem. If statement is true, then it is a right triangle.

Step-by-step explanation:

6 0
3 years ago
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