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Dafna1 [17]
3 years ago
14

I don't know what to do I'm very confused ​

Mathematics
1 answer:
finlep [7]3 years ago
7 0

Answer:

x = 33.8°

Step-by-step explanation:

The resulting diagram we have is a right triangle. To find x, apply trigonometric function.

Reference angle = x

Opposite = 116

Adjacent = 173

Apply TOA:

Tan x = Opp/Adj

tan (x) = \frac{116}{173}

x = tan^{-1}(\frac{116}{173})

x = tan^{-1}(\frac{116}{173})

x = 33.8° (nearest tenth)

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Use the elimination method to solve the system of equations.
ExtremeBDS [4]

Answer:

Option D. (8, – 4)

Step-by-step explanation:

3x + 4y = 8 ..... (1)

x – y = 12.... (2)

To solve the above equation by elimination method, do the following:

Step 1:

Multiply equation 1 by the coefficient of x in equation 2 i.e 1.

Multiply equation 2 by the coefficient of x in equation 1 i.e 3. This is illustrated below:

1 × Equation 1

1 × (3x + 4y = 8)

3x + 4y = 8 ...... (3)

3 × Equation 2

3 × ( x – y = 12)

3x – 3y = 36......(4)

Step 2:

Subtract equation 3 from equation 4. This is illustrated below:

. 3x – 3y = 36

– (3x + 4y = 8)

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

– 7y = 28

Divide both side by the coefficient of y i.e –7

y = 28/–7

y = – 4

Step 3:

Substitute the value of y into any of the equation to obtain the value of x. In this case, we shall substitute the value of y into equation 2 as shown below:

x – y = 12

y = –4

x – (–4) = 12

x + 4 = 12

x = 12 – 4

x = 8

Therefore, the solution to the equation above is (8, – 4)

4 0
3 years ago
Out of the 30 days in April, 3/5 of the days were sunny and clear. The rest of the days were either cloudy or contained some rai
Lelechka [254]

Answer:

12

Step-by-step explanation:

5 0
3 years ago
What is the value of x?
Nataly [62]

give us a problem or somen

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
PLZ ANSWER QUICK
STatiana [176]

Answer:

i think its 24

Step-by-step explanation:

because its from P to H and that is 2× D to E so 12×2=24 therefore you're answer is 2r

4 0
3 years ago
I need help simplifying 5 1/2 ÷ 2 1/2 then writing it as a mixed number ​
Yakvenalex [24]

Answer:

exact form

11/5

decimal form 2.2

mixed number form 2 1/5

Step-by-step explanation:

6 0
3 years ago
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