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RoseWind [281]
3 years ago
13

Which theorem or postulate justifies this statement? angle6 cong angle13

Mathematics
1 answer:
dezoksy [38]3 years ago
8 0

Answer:

C. Alternate Exterior Angles Theorem

Step-by-step explanation:

I took the test

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The perimeter of rectangle is 48 cm. Find the sides of the rectangle if one of the sides is 12 cm longer than the other.
natima [27]
L=W+12
2L+2W=48
2(W+12)+2W=48
2W+24+2W=48
4W=48-24
4W=24
W=24/4
W=6 ANS. FOR THE WIDTH.
L=6+12=18 ANS. FOR THE LENGTH.
PROOF:
2*18+2*6=48
36+12=48
48=48

Hope this helps:)
3 0
3 years ago
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2/3+1/12 what's the answer
tester [92]

Answer:

3/4 or 9/12 make the denominators the same then just add

6 0
2 years ago
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Two simple questions
frutty [35]
Oh i love these x=4,y=9
3 0
3 years ago
Need help please someone answer quick
Leya [2.2K]

Answer:

2x/19

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6 0
1 year ago
£70 is divided between Natasha, Richard & Stephen so that Natasha gets twice as much as Richard, and Richard gets three time
Korvikt [17]

The share of Natasha is £ 42

<em><u>Solution:</u></em>

£70 is divided between Natasha, Richard & Stephen

Total amount = 70

Let the share of natasha be "x"

Let the share of richard be "y"

Let the share of stephen be "z"

Natasha gets twice as much as Richard

x = 2y ------ eqn 1

Richard gets three times as much as Stephen

y = 3z

z = \frac{y}{3} ----- eqn 2

Total amount = 70

share of natasha + share of richard + share of stephen = 70

x + y + z = 70

Substitute eqn 1 and eqn 2

2y + y + \frac{y}{3} = 70\\\\\frac{6y+3y+y}{3} = 70\\\\10y = 210\\\\y = 21

Substitute y = 21 in eqn 1

x = 2y = 2(21) = 42

x = 42

Thus natasha gets £ 42

6 0
3 years ago
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