Can someone help me with two math question

Mathematics

2 answers:

bekas [8.4K]2 years ago

8 0

Answer:

6. x ≥ -4

Step-by-step explanation:

Sorry I could only figure out one

Paha777 [63]2 years ago

6 0

X greater than or equal to 1

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Cos(45-150) exact answer

victus00 [196]

The answer is $- \frac{ \sqrt{6}- \sqrt{2}}{4}$

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2 years ago

If l an m are parallel. Find the value of x and y

Svetllana [295]

(8y + 17) = (6x - 7)

(3x -29) + (6x -7) = 180
9x -36 = 180
9x = 216
x = 24

(8y + 17) = (6x - 7)
8y + 17 = 6(24) - 7
8y + 17 = 144 -7
8y = 120
y = 15

I hope this helps!! (and hope it’s correct hahah :))

7 0

2 years ago

135 students attended an assembly at Piper School. The student enrollment at the school is 180. What percentage of the students

soldier1979 [14.2K]

We know that the total number of students is 180, so 180 is the 100 precent of the students, now we can set up a proportion and solve

180/100=135/x

x=135 times 100 over 180
x=75%

8 0

2 years ago

Please please i neeed help

salantis [7]

Answer:

i have made it in above picture

hope it helps