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Iteru [2.4K]
4 years ago
8

How to find the exact value of each trigonometric function without a calculator?

Mathematics
1 answer:
Goryan [66]4 years ago
5 0
Remember them is the best way to go.
draw the exact value triangles if you're unsure, but importantly, you just need to memorise these exact values.


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What value of x is in the solution set of 3(x-4)greater than or equal to 5x+2
Gnesinka [82]

3(x-4)>= 5x+2

Distributing 3 on x-4

3(x)-3(4)>=5x+2

3x-12>=5x+2

Now we need to move x terms together and the numbers together and for that we subtract 5x to both sides and add 12 to both sides

-2x >=14

Now we need to get rid of -2, and for that we divide both sides by -2 and on dividing by negative number, the sign of inequality change , that is

x<=-7

5 0
3 years ago
Determine if the function represents exponential growth or decay. <br><br> Y=-4*(1/2)
amm1812

Exponential Decay because it’s decaying by .5 which is smaller than 1

6 0
3 years ago
HELP! NOW!
fredd [130]

Answer:

B. x = y

Step-by-step explanation:

Since sweaters discount (x) and shirt discount (y) are the same like we are told, then they are equal.

8 0
3 years ago
Solve for x <br><br> X/4 &gt; -8
Alisiya [41]

Answer:

Step-by-step explanation:

x/4 ≥ - 8                  Multiply both sides by 4

4*(x/4) ≥ - 8 * 4

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That > symbol has most of the properties of the = sign. Whatever rules you have for equals = except for 2 rules can be treated the same way for >. What those two rules are, don't apply here.

8 0
3 years ago
zeus industries bought a computer for $2149. it is expected to depreciate at a rate of 25% per year. what will the value of the
Naya [18.7K]
2149 x 25/100 = 537.25
1st year - 214 - 527.25 = 1611.75
2nd year - 1611.75 x 25/100 = 1208.81
3rd year - 1208.81 x 25/100 = 906.60

Ans : 906.60

6 0
3 years ago
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