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Greeley [361]
3 years ago
9

First person to answer will get 100 points & Brainliest!

Mathematics
2 answers:
adell [148]3 years ago
7 0

Answer:

heyyyyyy

Step-by-step explanation:

Nina [5.8K]3 years ago
3 0
HELLO HAVE A NICE DAY
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Find the area of the parallelogram with vertices A(−1,2,3), B(0,4,6), C(1,1,2), and D(2,3,5).
cupoosta [38]

Answer:

5*sqrt3

Step-by-step explanation:

The vector AB= (0-(-1), 4-2,6-3) AB= (1,2,3)

The modul of AB is sqrt(1^2+2^2+3^2)= sqrt14

The vector AC is (1-(-1), 1-2, 2-3)= (2,-1,-1)

The modul of B is sqrt (2^2+(-1)^2+(-1)^2)= sqrt6

AB*AC= modul AB*modul AC*cosA

cosA=( 1*2+2*(-1)+3*(-1))/ sqrt14*sqrt6= -3/sqrt84=

sinB= sqrt (1- (-3/sqrt84)^2)= sqrt75/84= sqrt 25/28= 5/sqrt28

s= modul AB*modul AC*sinA= sqrt14*sqrt6* 5/ sqrt28= 5*sqrt3

6 0
2 years ago
Hey guys I really need help on this one!
Marina CMI [18]
I’m pretty sure it’s the last one. :)
4 0
3 years ago
WILL GIVE BRAINLIEST!
Vsevolod [243]

Step-by-step explanation:

the answer to your question with roster method is

(-5,-4,-3,-2 and -1)

8 0
2 years ago
HL<br> ASA<br> SSS<br> AAS<br> SAD<br> Not congruent
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Answer: 4

Step-by-step explanation:

i think

8 0
3 years ago
141.1933-67.53 =<br> (Divided, not minus)
Sphinxa [80]

Answer: I think its 2.09

Step-by-step explanation:

But i'm not sure.

5 0
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