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DaniilM [7]
3 years ago
14

Simplify 3(4x+2y)-(x-5y)

Mathematics
1 answer:
Natali5045456 [20]3 years ago
3 0

Answer: The answer is 11x+11y

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-3m &lt; 15<br> PLEASE HELP
lbvjy [14]

Answer:

m > -5

Step-by-step explanation:

Divide your inequality by the coefficient of m, which is -3. Doing that requires you reverse the comparison symbol:

(-3m)/(-3) > (15)/(-3)

m > -5

_____

The comparison symbol is reversed whenever an inequality is multiplie or divided by a negative number. You might be able to see why when you look at the relation between a couple of integers:

-2 < -1

2 > 1 . . . . . . multiply the above by -1

Multiplying by a negative number effectively reflects the comparison across the center of the number line. As we know from looking in a mirror; reflection reverses left and right, so numbers that were farther to the right (more positive) are now farther to the left (more negative).

6 0
3 years ago
1. Factor and simplify: cos² xcsc² x-cos²xcot² x
Vera_Pavlovna [14]

Answer:

Cos² x

Step-by-step explanation:

<h3>Trigonometry:</h3>

    \sf Cos^2 \ x *Csc^2 \ x-Cos^2 \ x *Cot^2 \ x = Cos^2 \ x (Csc^2 \ x - Cot^2 \ x)

                                                        \sf = Cos^2 \ x \left(\dfrac{1}{Sin^2 \ x} - \dfrac{Cos^2 \ x}{Sin^2 \ x}\right)\\\\= Cos^2 \ x \left(\dfrac{1-Cos^2 \ x}{Sin^2 \ x}\right)\\\\\boxed{\bf Indentity: \ 1 - Cos^2 \ x = Sin^2 \ x}\\\\\\= Cos^2 \ x \left(\dfrac{Sin^2 \ x}{Sin^2 \ x}\right)\\\\= Cos^2 \ x

4 0
2 years ago
What is the following coordinates of (2,0) and (0,4)
34kurt

Answer:

(2, 0) and (0, 4) are coordinates in the form of (x, y)

(2, 0) -> x = 2, y = 0

(0, 4) -> x = 0, y = 4

8 0
3 years ago
A karate dojo has a total of 80 students in a class learning martial arts. Of those students, 24 have been with the dojo for mor
Marat540 [252]
25% of the kids in the dojo

7 0
3 years ago
PLEASE HELP ILL GIVE BRAINLY IF CORRECT
zhannawk [14.2K]

Answer:

I have tried solving each one in the right order and I keep getting answers that aren't options.

I will put the answers I got but none of them match up.

-5-(32+2)

-5-(34)= -39


22-3⋅6

22-18=4


-2+4⋅32-6

-2+128-6

126-6= 120


5+42÷2(3)

5+42÷6

5+7=12


I have done the math on my own and used desmos calculator these are the answers that come up. I'm sorry.



8 0
4 years ago
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