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ryzh [129]
3 years ago
5

Which expression has the same value as the one below?

Mathematics
1 answer:
anzhelika [568]3 years ago
3 0
The first one is correct
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Simplify the expression A(A^-1 + B^-1)B(A + B)^-1.​
Elis [28]

Answer:

i think it would just be B+A

Step-by-step explanation:

4 0
2 years ago
if a rectangle has an area of 30 square meters and a perimeter of 34 meters . what is the dimensions of the rectangle?
timama [110]
P=2(L+W)  and P=34 so

2(L+W)=34

L+W=17 so we can say

L=17-W

A=LW using L from above

A=(17-W)W

A=17W-W^2 and A=30 so

30=17W-W^2

W^2-17W+30=0

W^2-2W-15W+30=0

W(W-2)-15(W-2)=0

(W-15)(W-2)=0

So the dimensions of the rectangle are 15 meters by 2 meters.
7 0
3 years ago
Fay has a lemonade stand.
AnnyKZ [126]

Answer:

her total profit is 3

Step-by-step explanation:

1.50 x 30 = 45

to find total profit - 45-42= 3

5 0
3 years ago
Read 2 more answers
9. Choose whether the number is rational or irrational
lutik1710 [3]
The square root of 169=13 so it is rational
4 0
2 years ago
What is the solution set to the inequality 5(x – 2)(x + 4) > 0
Fittoniya [83]
<span>5(x – 2)(x + 4) > 0
  (5x-10)(x+4)>0
   6x -6  > 0 
        +6  +6
       6x >
</span>x<-4 or x>2
7 0
3 years ago
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