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Harman [31]
3 years ago
14

Please help. I've been stuck on this for 3 days. I just really need help. ​

Mathematics
1 answer:
Marysya12 [62]3 years ago
5 0

Answer:

71.5

Step-by-step explanation:

x+1 so (1+10) x (21+5)= 286

but then 1+1=2 and 2x2= 4 so 286 divided by 4= 71.5

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6 0
2 years ago
Are -2x + 9 = 7 and 2x = 2 equivalent?​
DochEvi [55]

Answer:

Yes because the answer to both of them is 1

Step-by-step explanation:

Let's solve your equation step-by-step.

−2x+9=7

Step 1: Subtract 9 from both sides.

−2x+9−9=7−9

−2x=−2

Step 2: Divide both sides by -2.

−2x

−2

=

−2

−2

x=1

Answer:

x=1    

Let's solve your equation step-by-step.

2x=2

Step 1: Divide both sides by 2.

2x

2

=

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2

x=1

Answer:

x=1

 

7 0
2 years ago
What is the variable and the operation in the algebraic expression math 6/x .
Stella [2.4K]

Answer:

x is the variable

Step-by-step explanation:

6 0
3 years ago
9x10^2 is how many times as much as 3x10^-2
Nikolay [14]

Answer:

3 times

Step-by-step explanation:

divide both numbers Which will give you 3

4 0
1 year ago
What is the answer 450*14​
morpeh [17]

Answer:

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Step-by-step explanation:

7 0
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Read 2 more answers
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