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Doss [256]
3 years ago
6

Please help me i don’t know this

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

Answer: Surface Area = 16in.

Step-by-step explanation:

So we need to find the area of each side and add them up.

First we find the area of one of the triangular sides: 2*3/2 = 3

Then we multiply it by 4 to accommodate the 4 sides that are the same size: 12

Then we do 2*2 = 4 for the base. We then add those up.

4 + 12 = 16

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Hey! Can someone check my answers?
Andrew [12]
The greatest common factor is the biggest number taken from the values.

Q1. The answer is <span>A. 5y^6
</span>
20 y^{9} +5 y^{6}= 4*5 y^{9}+5 y^{6}
Since x^{a}* x^{b}  =x^{a+b}, then x^{9}= x^{3}* x^{6}

Back to our expression:
4*5 y^{9}+5 y^{6}=4*5 y^{3}*y^{6}+5 y^{6}=4 y^{3}*5y ^{6}+  5y ^{6}*1=5 y^{6} (4y ^{3} +1)
The greatest common factor is thus 5 y^{6}


Q2. The answer is <span>D. 12xy^2
</span>
12x y^{5}+60 x^{4} y^{2} -24 x^{3} y^{3}=12x y^{5}+5*12 x^{4} y^{2} -2*12 x^{3} y^{3}
We will use the rule  x^{a}* x^{b} =x^{a+b} to factorise the exponents:
12x y^{5}+5*12 x^{4} y^{2} -2*12 x^{3} y^{3}= \\ =12x*y^{2}*y^{3}+5*12*x* x^{3} *y^{2}-2*12x* x^{2} *y*y^{2}= \\ =12xy^{2}*y^{3}+12xy^{2}*5 x^{3} -12xy^{2}*2 x^{2} y= \\ =12xy^{2}(y^{3}+5 x^{3}-2 x^{2} y)
The greatest common factor is thus 12xy^{2}
3 0
3 years ago
I need help just answer no explanation please
dimulka [17.4K]
B . sorry if i’m wrong
4 0
3 years ago
Please help ............
vlabodo [156]

Answer:

4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Ben and Sam are diving into a lake. At 14 below the surface, Ben spots Sam 9 ft directly below him. Find Sams depth SHOW WORK AN
natka813 [3]
Sam is at 23 feet below the surface

Explanation
I did 14+9 and got 23
7 0
2 years ago
Read 2 more answers
I need help with twelve plz
EleoNora [17]
12)
9/10   /     3/4  
= 9/10 * 4/3
= 12/10
= 6/5 
5 0
3 years ago
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