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exis [7]
3 years ago
12

Which math expression???? 7th grade

Mathematics
2 answers:
DiKsa [7]3 years ago
8 0
I think it's A because of PEMDAS so you multiply 8 by n-3
Digiron [165]3 years ago
7 0

If you do PEMDAS on that problem you will get answer A

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X2 - 6x + 9<br> help solve
Ulleksa [173]

Answer:

3

lazy approach was with a graphic plotting program, but you can also calculate it. with the pq-formula.

p = -6

q = 9

x = -p/2 +- sqrt( (p/2)² - q)

x = -(-6)/2 +- sqrt ( (-6/2)² - 9)

x = 3 +- sqrt(9-9)

x = 3 +- sqrt(0)

x = 3 +- 0

x = 3

4 0
3 years ago
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Consider 7×10^3. Write a pattern to find the value of the expression
kkurt [141]

Answer:

7*10*10*10 = 7000

7*10 = 70

70*10 = 700

700*10 = 7000

Step-by-step explanation:

The given expression is:

7*10^3

Here 10^3 means that 10 will be multiplied 3 times:

7*10*10*10 = 7000

How did we get 7000?

7*10*10*10 = 7000

7*10 = 70

70*10 = 700

700*10 = 7000

We can also say that there are 7  1000s in 7000....

5 0
2 years ago
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I need help ( no links ) ( picture attached)
olasank [31]

Answer:

120-(30+48)= 42

Step-by-step explanation:

7 0
2 years ago
A line has the equation -5x -14y +168 = 0
valkas [14]

Answer:

y = -5/14x + 12

Step-by-step explanation:

add 14y to both sides to isolate variables and divide everything by 14 to get 1y and boom

6 0
2 years ago
I NEED HHELP ASAP STOP SENDING ME LINK
Ymorist [56]

Answer:

The answer is B

Step-by-step explanation:

hope that helps

5 0
3 years ago
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