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sergij07 [2.7K]
4 years ago
11

Using the sum or difference formulas,how do we find the exact value of sin (285°)?

Mathematics
1 answer:
Semenov [28]4 years ago
6 0
See attachment for the answer:

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F(x) = 3x + 2<br> What is f(5)?<br><br> PLEASE HELP!!!!
abruzzese [7]
Resolving a function of any nature means determining your zeros or raizes.

The zeros of a function occur when the function is null.

Then:

f(x) = 3x - 2

To determine the root
f(x) = 0 = 3x - 2
3x = 2
x = 2/3 Final result
8 0
3 years ago
I need help I don’t know how to do it
daser333 [38]
If a line is drawn across the shape connecting two of the angles it makes two triangles. The sum of the angles in a triangle is 180 degrees.
Since this shape makes two triangles the sum of the inside angles is 2 * 180 = 360 degrees

(2x - 17) + 90 + x + 59 = 360
combine like terms
3x + 132 = 360
3x = 360 - 132
3x = 228
x = 76
6 0
3 years ago
Help ASAP
kramer

Answer:

x=19/5

Step-by-step explanation:

x*2+8x=38

10x  =38

5 0
3 years ago
Evaluate expression 2 (d +9)
LenKa [72]

Answer:

2d +18

Step-by-step explanation:

use distributive property:

a(b+c)

= ab+ac

7 0
3 years ago
Read 2 more answers
Jamie says the value of the expression 1.34 times (-19/37) is close to -0.75 does this seem reasonable. explain
Katarina [22]

1,34 x( -19/37)=

1, 34 x (-0.5135) =-0,68809

<u><em>+plus  -=  negativo</em></u>

5 0
3 years ago
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