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sleet_krkn [62]
4 years ago
13

I don't know how to solve this and the answer isn't 4 or 0 so what is it?4=-4+a​

Mathematics
1 answer:
nevsk [136]4 years ago
6 0
The answer is 8. This is because when you substitute 8 with “a” you then solve the problem to see if it is equal to the answer. -4+8=4... -4+4=0 so that is wrong and -4+O=-4 which is also incorrect.
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butalik [34]

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Step-by-step explanation:

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3 years ago
The angle of a quadrilateral are A.P and the common difference is 10°. find the angles.
xxMikexx [17]

Step-by-step explanation:

So the Ap will be x,x+10,x+20,x+30

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4 0
3 years ago
The product of two consecutive even integers is 288 find the integers.
algol [13]
Using algebra
n and n+2 are the integers
n*(n+2)=288
n^2+2n=288
n^2+2n-288=0
288=2*2*2*2*2*3*3=(2*2*2*2)*(2*3*3)=16*18 and 18-16=2
factor(n+18)(n-16)=0
n+18=0
n=-18
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this is one solution
n-16=0
n=16
n+2=18
this is another solution
as you can see, it's just a matter of factoring 288using arithmetic...√288=16.97≈1716 and 18 are the integers (as well as -16 and -18)
5 0
3 years ago
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