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inna [77]
3 years ago
8

HELPPPP will mark brainliest

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
6 0

Answer:

12x-2

Step-by-step explanation:

You need to add 5x+1 and 7x-3.

5x+1+7x-3.

We need to organize this into common terms.

5x+7x+1-3

Now we simplify.

12x-2

That is the final answer!!

Hope this helped!!!! :D

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Please help me real quick
Romashka-Z-Leto [24]

Answer:

Are you asking for both?

Step-by-step explanation:

I have both answers so which one should i do/help with.

Please explain properly.

3 0
3 years ago
Complete the steps of the derivation of the quadratic formula step 1: (x+b/2a)^2-b^2-4ac/4a^2=0
CaHeK987 [17]
(x+b/2a)^2-(b^2-4ac)/2a=0
Step 2:
Re-write the expression:
(x+b/2a)^2=(b^2-4ac)/4a^2

Step 3:
get the square root of both sides:
x+b/2a=sqrt[(b^2-4ac)/4a^2]

Step 4:
Simplifying we get:
x+b/2a=sqrt[b^2-4ac]/2a

Step 5
Make x the subject:
x=-b/2a+/-sqrt[b^2-4ac]/2a


5 0
3 years ago
Read 2 more answers
NEED HELPPPPPPPPP !!!!!!!!!!!!!!!!!!!If you could propose a tax credit or a deduction for an expense that isn’t currently on the
mash [69]

Answer:

Refer the attachment for your Answer

7 0
3 years ago
Help i think it’s the second one but i’m not sure
ozzi
It's the third one. 

The second one is a parabola so that is not the answer. Hope I helped :)
3 0
3 years ago
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Tali jogs a mile in 12 minutes. How many miles per hour is Tali running?
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<span>Tali is running at 5 miles per hour. In 12 minutes she runs 1 mile, in 1 minute she runs 1/12 mile, so in 60 minutes (one hour) she would run 60/12 = 5 mph Sandra is running at 10 miles per hour, this is twice as fast as Tali (5 mph x 2 = 10 mph). It takes Sandra 6 minutes to run a mile. Sandra runs 10 miles in an hour, so to run one mile would take her one tenth of an hour or 6 minutes.</span>
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