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kap26 [50]
3 years ago
10

Find the value of −12 + 8 −(−9). Question 20 options: 5 −13 −5 13

Mathematics
1 answer:
larisa86 [58]3 years ago
3 0

Answer:

5

-12 + 8 = -4

-4 - (-9) = -4 + 9 = 5

Step-by-step explanation:

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Evaluate the radical.<br><br> 3√27<br><br> Enter the answer in the box.
igor_vitrenko [27]

The answer is 3

Hope this Helped :T

3 0
3 years ago
Soren solves the quadratic equation x^2 + 8x – 9 = 0 using the quadratic formula. In which step did Soren make an error?
pochemuha

Answer:

step 3 didn't divide by 2

Step-by-step explanation:

in step

\frac{ - 8 +  \sqrt{100} }{2}  =  \frac{ - 8 + 10}{2}  = 1 \\  \frac{ - 8 -  \sqrt{100} }{2}  =  \frac{ - 8 - 10}{2}  =  - 9

8 0
3 years ago
Please help i will give brainliest to the most accurate
Korolek [52]

Percent increase from 2000 to 2001 is 12% and from 2001 to 2002 is 12.6%. Thus period of 2001 to 2002 has higher increase percentage.

Solution:

Given that,

Total circulation of local newspaper in 2000 = 3250

Total circulation of local newspaper in 2001 = 3640

Total circulation of local newspaper in 2002 = 4100

As we can see 12% < 12.6%

So period of 2001 to 2002 has higher increase percentage.

6 0
3 years ago
Read 2 more answers
Solving systems oh linear equations by graphing, help please!!
lana66690 [7]

Answer:

try searching it

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4 0
3 years ago
1.write the equations of three lines whose graphs are parallel to one another . 2.write the equation of two lines whose graphs a
Arlecino [84]
Y = -2x + 1
y = -2x + 2
y = -2x + 3
these are all parallel lines because they have the same slopes (-2) but different y intercepts.

y = 3x + 4
y = -1/3x + 3
these are perpendicular lines because they have negative reciprocal slopes.

slope of a line parallel to the x axis : If it is parallel to the x axis, it is a horizontal line and has a slope of 0.

slope of a line perpendicular to the x axis : if it is perpendicular to the x axis, it is a vertical line with a slope that is undefined.

slope of line parallel to the y axis : vertical line, undefined slope

slope of a line perpendicular to the y axis : horizontal line, slope of 0


6 0
4 years ago
Read 2 more answers
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