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dexar [7]
3 years ago
7

Please answer the question........Thank you! :D

Mathematics
2 answers:
olga55 [171]3 years ago
6 0

Answer:

57

Step-by-step explanation:

because all the angle of a triangle add up to 180

180-63-60=57

QveST [7]3 years ago
6 0
The answer is 57 man why do i have to make every thing long on brainly
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tatiyna

Answer:

Diane

Step-by-step explanation:

3 0
3 years ago
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Determine if the lines r1(t) = <3, 0, 2> + t <1, 2, −2> and r2(s) = <0, 1, −1> + s <4, 1, 1> intersect,
Temka [501]

Answer:

Yes lines are intersecting, point of intersection is <4,2,0>.

Step-by-step explanation:

Given parametric equations of line are:

r_{1}(t) =  + t  \\ r_{1}(t) = \\ r_{1}(t) = ---(1)

r_{2}(s) =  + s \\ r_{2}(s) = \\ r_{2}(s) = ---(2)\\

If lines are intersecting then parametric coordinates of (1) are equal to (2)

3+t=4s---(A)\\2t=1+s---(B)\\2-2t=s-1---(C)\\

Considering A and B to find values of t and s

From A

t=4s-3---(D)

Putting in (B)

2(4s-3)=1+s

8s-6=1+s

7s=7

s=1

Then

t=4-3

t=1

If lines are intersecting then these values of s and t must satisfy (C)

2-2(1)=1-1

0=0

This shows lines are intersecting.

At this value of t, (1) becomes

r_{1}(1) = \\=

Putting s=1 in (2)

r_{2}(1)=4, 1+1,-1+1>\\=

Point of intersection is <4,2,0>.

4 0
3 years ago
Is 3.03003000300003... a repeating decimal
SVETLANKA909090 [29]
The answer is no because after each 3 there is one more zero added

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$12/25 pounds

12/25= $0.48

$0.48/pound is your answer
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2 years ago
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