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Contact [7]
3 years ago
11

Trigonometry Trigonometric Equations cos x = √ 2/2;x [ 0,2π]

Mathematics
2 answers:
koban [17]3 years ago
7 0
Here you go...................

shepuryov [24]3 years ago
5 0

Answer:

x = π/4, 7π/4

Step-by-step explanation:

cos x = √2/2

basic angle = π/4

x = π/4,

2π - π/4 = 7π/4

x = π/4, 7π/4

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Which polynomial is in standard form
-Dominant- [34]

Answer:

option 2

Because its power is in the order.

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4 years ago
A family has an annual income of $34,500. How much is their monthly income?Their monthly income is $ ? .
Juli2301 [7.4K]

Let:

A = Annual income

M = Monthly income

N = Number of months in the year

So, the annual income will be given by the monthly income multiplied by the number of months:

\begin{gathered} A=N\cdot M \\ 34500=12M \end{gathered}

Solve for M:

Divide both sides by 12:

\begin{gathered} \frac{34500}{12}=\frac{12M}{12} \\ 2875=M \\ M=2875 \end{gathered}

Answer:

$2875

4 0
1 year ago
Which expression is equivalent to the given polynomial expression?
ivolga24 [154]

Answer:

C. -31m⁴n - 8m²

Step-by-step explanation:

Given:

(9mn - 19m⁴n) - (8m² + 12m⁴n + 9mn)

Required:

Determine an expression equivalent to it

Solution:

(9mn - 19m⁴n) - (8m² + 12m⁴n + 9mn)

Distribute the negative sign to open the parentheses

9mn - 19m⁴n - 8m² - 12m⁴n - 9mn

Combine like terms

9mn - 9mn - 19m⁴n - 12m⁴n - 8m²

-31m⁴n - 8m²

Therefore, -31m⁴n - 8m² is an equivalent expression of (9mn - 19m⁴n) - (8m² + 12m⁴n + 9mn)

6 0
3 years ago
I will give you brainliest please help me with this it’s for my finals please <3
Licemer1 [7]

Answer:

A = 125, B = 55, C = 125

Step-by-step explanation:

A line that is cut into two by a line has two angles that equal 180.  So angle A + angle D is 180. Angle D = 55 so 180 - 55 = 125. You do the same for every angle but look at the line as being cut into two in different directions for angles a and b and angles c and d.

3 0
3 years ago
What times 6 is close to 56
katen-ka-za [31]
6 x 9 which is 54 is the closets to 56. :)
4 0
4 years ago
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