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faltersainse [42]
3 years ago
8

B.

Mathematics
1 answer:
klemol [59]3 years ago
8 0
B because it’s the right answer and um not lying no cap
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Please someone help <br> I need this
Sunny_sXe [5.5K]

Answer:

the triangle

Step-by-step explanation:

The perimeter is the sum of the all sides of the shape.

Triangle:

3√147+2√108+2√48+3√75+ 6√12

147=49•3, 108=36•3, 48=16•3, 75=25•3, 12=4•3 that means

√147=7√3, √108=6√3, √48=4√3, √75=5√3, √12=2√3

perimeter=3•7√3+2•6√3+2•4 √3+3•5√3+6•2√3=68√3

Square:

4•1/3•√63=4/3•√9•√7=4√7

Rectangle:

2•1/4√100+2(2√48+4√75)=

5+2(8√3+20√3)=5+56√3

Now, if you use a calculator, you will find that the greatest perimeter is for the triangle shape.

8 0
3 years ago
The formula d = rt gives the distance traveled in time t at rate r. A bicyclist rides at a constant rate of 15 miles per hour. H
Inga [223]
D=rt
distance = rate*time
rate=15mph
time=3.5hours
distance = 15*3.5 = 52.5
He will travel 52.5 miles in 3.5 hours assuming his rate does not change.
6 0
3 years ago
Let a be an mn matrix, and let u and v be vectors in irn with the property that au = 0 and av = 0. explain why a(u + v) must be
tatiyna
\mathbf{Au}=\mathbf0
\mathbf{Av}=\mathbf0

\implies\mathbf{Au}+\mathbf{Av}=\mathbf0
\implies\mathbf A(\mathbf u+\mathbf v)=\mathbf0

Multiplying by scalars c,d won't change this fact.
4 0
3 years ago
What is the property of…<br> -2(x-6)=-2x+12
Paraphin [41]

Answer:

0=0

Step-by-step explanation:

-2(x-6)=-2x+12

-2x+12=-2x+12 /+2x

12=12 /-12

0=0 which means x can be any number.

5 0
3 years ago
N is an integer<br> write down all the possible values of n<br><br> -2≤n&lt;5
melisa1 [442]

Answer:

-2, -1, 0, 1, 2, 3, 4

Step-by-step explanation:

The number has to be smaller than 5 but greater than or equal to - 2

8 0
3 years ago
Read 2 more answers
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