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professor190 [17]
2 years ago
5

HELPPPP THANKS ALOT

Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
6 0

Answer:

a: always, always

b. always, always

c. never, would not, never

Step-by-step explanation:

I hope this is right (i tried)

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Please help with this question
lions [1.4K]

Answer:

sin( -∅ )

- 1 / csc ( ∅ )

1 / csc ( -∅ )

Step-by-step explanation:

Since sin(x) is and odd function (a function where f(-a) = f(a) ).

-sin( ∅ ) = sin( -∅ )

On the other hand, we know that sin( ∅ ) = 1 / csc ( ∅ )

Another odd function, so the same as before applies.

-sin( ∅ ) = -1 / csc ( ∅ )

-sin( ∅ ) = 1 / csc ( -∅ )

8 0
3 years ago
In the system -12c+3d=6 and -3c +6d=-9, which expression could you use for substitution
inessss [21]
You can not use either of them because neither of them have a variable= to the eqaution
ex.) y= 3x+25
3 0
3 years ago
What is<br> 3x-y=9<br> 2x-y=7
svet-max [94.6K]

Answer:

x=2 and y= -3

Step-by-step explanation:

This is a simultaneous equation. To solve this type of equation, there are three methods; substitution, Elimination and Graphical.

But here, we would be using the substitution method.

3x-y=9 Equation 1

2x-y=7. Equation 2

Getting y from equation 2, we have

-y= 7-2x

Multiply both sides by -

y= 2x-7 Equation 3

Substituting y for 2x-7 in equation 1, we have

3x- (2x-7)=9

3x-2x+7=9

x+7=9

x=9-7

x=2

Substituting x as 2 in equation 3

y=2x-7

y= 2(2)-7

y= 4-7

y= -3

5 0
3 years ago
Read 2 more answers
Help please!!!!!!!!!!!!!!
JulijaS [17]

Answer:

Negative

Step-by-step explanation:

Slope is negative since as x increases, y decreases.

4 0
2 years ago
What is the product of the coordinates of the midpoint of a line segment with endpoints at $(2,3)$ and $(-6,5)$?
Darina [25.2K]
Answer

4,2.

Explains to
3 0
3 years ago
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