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densk [106]
3 years ago
13

On a coordinate plane, a line goes through (0, 3) and (3, negative 1). A point is at (negative 3, 2).

Mathematics
2 answers:
astra-53 [7]3 years ago
5 0

Answer: D: 4x+3y=-6

Step-by-step explanation:

Alex Ar [27]3 years ago
5 0

Answer:

4x + 3y = −6

Step-by-step explanation:

just took the test!

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Solve triangle ABC, when A= 6, B=10 and c=12
valentinak56 [21]
Use cosine rule,

cos(A)=(b^2+c^2-a^2)/(2bc)
=(10^2+12^2-6^2)/(2*10*12)
=13/15
A=29.926 degrees.................................(A)

cos(B)=(c^2+a^2-b^2)/(2ca)
=(12^2+6^2-10^2)/(2*12*6)
=5/9
B=56.251 degrees.................................(B)

cos(C)=(a^2+b^2-c^2)/(2ab)
=(6^2+10^2-12^2)/(2*6*10)
=-1/15
C=93.823 degrees.................................(C)

Check:29.926+56.251+93.823=180.0 degrees....ok
5 0
3 years ago
27 points for grabs
bija089 [108]
7x - 9 = 3x - 1
-3x  +9  -3x +9
---------------------
4x = 8
x= 2

y = 7x - 9
y = 7(2) - 9
y = 14 - 9
y = 5
(2,5)
8 0
3 years ago
Subtract 8x+3y from 10x+5y
fredd [130]

after you subtract the answer is 2x-2y

5 0
3 years ago
Lancé le 26 novembre 2011, le Rover Curiosity de la Nasa est chargé d'analyser la planète Mars. il a atterri sur la planète roug
grigory [225]

Answer: La durée de la vol entire est 560 millions de miles. La durée par hour est 2.19 millions de miles par hour.

Step-by-step explanation: Je ne sais pas sûr que Je comprends la question exactement. Si on doit trouver la durée par hour, il faut divider 560000000 par 255.

8 0
3 years ago
How do you reduce the ratio 4:80
4vir4ik [10]
You reduce by since they are even number you divide each by 2, 2:40, if you can still divide then do so, it simplifies to 1:20
8 0
3 years ago
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