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notsponge [240]
2 years ago
6

What is the exact value of sin 170⁰ cos 55⁰ + cos 170⁰ sin 55⁰?

Mathematics
2 answers:
Ganezh [65]2 years ago
6 0

Answer:

C

Step-by-step explanation:

Zarrin [17]2 years ago
3 0

Answer:

c

Step-by-step explanation:

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The sum of twice a number and seven is twenty five
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Because 9x2 is 18+7=25
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A right Triangle XYZ has Vertices X(−2, −1) and Y(1, 1) and a right angle at Vertex Z.
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x(1,4)  Y(2,3)  and Z(5,y)

Step-by-step explanation:

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2 years ago
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Solve the equation. 2x+1/3+x-1/4=13/2
inessss [21]

The solution of the equation is x = 71 / 36.

<h3>How to solve an equation with one variable</h3>

Herein we have an equation with several rational constants and only one variable, x, which has to be cleared by using algebra procedures. The procedure is shown below:

2 · x + 1 / 3 + x - 1 / 4 = 13 / 2           Given

2 · x + x = 13 / 2 - 1 / 3 - 1 / 4            Compatibility with addition / Existence of additive inverse / Modulative property

3 · x = 71 / 12                                    Definitions of addition and subtraction / Distributive property

x = 71 / 36                                         Compatibility with multiplication / Existence of multiplicative inverse / Modulative property / Result

The solution of the equation is x = 71 / 36.

To learn more on equations: brainly.com/question/10413253

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4 0
1 year ago
A. Yes <br> B.no <br> Answer: yes!!!!!!!
sergij07 [2.7K]
Yes . Mark me brainliest !!??
7 0
3 years ago
Please help <br>Find the area of a circle with a diameter of 30 ft ​
olga nikolaevna [1]

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706.85 {cm}^{2}

Step-by-step explanation:

area =\pi  {r}^{2}  \\  = \pi \times 15 \times 15 \\  = 706.85 {cm}^{2}

7 0
2 years ago
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