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Mama L [17]
3 years ago
8

Use Identities to find the exact value. cos 165°

Mathematics
2 answers:
vlada-n [284]3 years ago
3 0
Check photo for answer
———————————-

galben [10]3 years ago
3 0

Answer:

B. - √2 + √6 / 4

Step-by-step explanation:

I don't know if it's for edge but here's an answer :)

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Help me please ....​
trasher [3.6K]

i think that this is wrong and your asswer 56b x56i +78 t and that this maybe wrong but atleast i tried to help!

5 0
3 years ago
6+y is greater than or equal to 9. what is y
Rufina [12.5K]
6 + y ≥ 9

We are essentially trying to get y by itself, so that we could solve for y

So, subtract 6 from both sides.

y ≥ 9 - 6

Simplify.

y ≥ 3

~Hope I helped!~
7 0
3 years ago
Solve the system of equations by elimination:<br> 2 - 5y = 1<br> 2x + 5y = 17
lesantik [10]

Answer:

X = 8 And y = 1/5

Step-by-step explanation:

add equaction i and education ii,

2 -5y = 1

2x +5y = 17

------------------

2+2x = 18

or, 2x = 18 - 2

or X = 16/2

or X = 8

Again from equation i,

2 - 5y = 1

or, -5y = 1 - 2

or, -5y = -1

or, y = -1/-5 (cut the subtraction sign)

or, y = 1/5

8 0
2 years ago
Which compound sentence has its solution set shown on the graph below
musickatia [10]

A compound inequality is a sentence with two inequality statements joined either by the word “or” or by the word “and.” “And” indicates that both statements of the compound sentence are true at the same time.

“Or” indicates that, as long as either statement is true, the entire compound sentence is true.

Now as shown in the graph, the solution inequality of the graph is :

x > 3 and x < 5   [please note, circles in the graph indicate exclusion, dots indicate inclusion. in the graph given circles are shown, so it depicts exclusion]

Now let's solve each option to find if it fits in with the above inequality

Option 1 : 2x-4 > 6 or 3x < 9

⇒ x > 5 or x < 3

Option 2 : 2x - 4 < 6 and 3x > 9

⇒ x < 5 and x > 3

Option 3 : 3x + 8 > -7 or -4x < 12

⇒ 3x > -15 or x < -3

⇒ x > -5 or x < -3

Option 4 : 3x + 8 < -7 and -4x > 12

⇒ 3x < -15 and x > -3

⇒ x < -5 and x > -3


So the compound sentence in option 2 : 2x - 4 < 6 and 3x > 9

has its solution set on the graph.


8 0
3 years ago
6x+5y=-15 into slope intercept form using y=mx+b
Advocard [28]
Solve for x
6x+5y=-15
subtract 6x from both sides
5y=-6x-15
divide both sides by 5
y=-6/5x-3
3 0
3 years ago
Read 2 more answers
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