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finlep [7]
3 years ago
13

Please help!!! 15 points!

Mathematics
1 answer:
scZoUnD [109]3 years ago
4 0

im sorry but i cant seem to open your image?

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Michael is 3 times as old as Brandon. 18 years ago, Michael was 9 times as old as Brandon.
Zigmanuir [339]
I hope this helps you


Brandon x


Michael 3x


18 years ago


Brandon x-18


Michael 3x-18


9 (x-18)=3x-18


9x-9.18=3x-18

9x-3x=9.18-18

6x=8.18

x=8.3

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5 0
3 years ago
When a=3 , b=8 , c=2 , and d=5 , what is the value of...
EleoNora [17]
A^2 + 3b + c - 2d

(3)^2 + 3(8) + (2) - 2(5)

9 + 24 + 2 - 10 = 25
4 0
3 years ago
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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

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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
HELP PLEASEEEEE <br> WILL GIVE BRAINLIEST AND GOOD RATING!!!!
torisob [31]

Answer:

The second one

Step-by-step explanation:

7 0
3 years ago
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Evaluate this expression for b= 3, and a=2. b-a
almond37 [142]
Substitute the values in the expression
b-a=3-2=1
answer b-a=1
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3 years ago
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