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natita [175]
3 years ago
5

I don’t know how to do this guys someone help me plz

Mathematics
2 answers:
Anna35 [415]3 years ago
5 0

Answer:

30°

Step-by-step explanation:

I don't know what you've been taught, but I'll explain how I did it.

Upon looking at this, I thought, "at what angles is cosine √3/2?" Using a unit circle in my head, I thought of π/6 and 11π/6 (which are in radians, in degrees they are respectively 30° and 330°). Since x is acute (less than 90°), the answer must be 30° since that is the only one of the two that is acute.

BARSIC [14]3 years ago
4 0

Answer:

x = 30 degrees

Step-by-step explanation:

cos (x) = sqrt(3)/2

We need to take the inverse of each side

cos ^-1( cos x) = cos ^-1 (sqrt(3)/2)

x = cos ^-1 (sqrt(3)/2)

x = 30 degrees

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bixtya [17]

Answer:

The final amount is  550.93.

Step-by-step explanation:

Here, the given amount is 468.

Now 8% of the given amount is \frac{8}{100}  \times 468  = 37.44

⇒ 8% of 468 =  37.44

So, the New amount = Initial Amount  + 8% increase

                                  = 468. +  37.44   = 505.44

Now 9 % of the new  amount 505.44  is

[tex]\frac{9}{100}  \times 505.44  = 45.4896/tex]

⇒ 9% of 505.44  = 45.4896

So, the Final  amount = New Amount  + 9% increase

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7 0
3 years ago
Ryan, a baker, measured the weights of cakes baked in each batch at his bakery and found that the mean weight of each cake is 50
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Step-by-step explanation:

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Hence, in the scenario above, a type 1 error will occur when we reject the mean weight as 500 even though the Null hypothesis is True.

6 0
4 years ago
What is the limit as x approaches negative infinity of (1.001)^x ...?
motikmotik
<span>To answer this question we need to know that because x will always be negative, it is the same as saying lim as x approaches infinity of 1/(1.001)^x. That is why we can say that the denominator will get bigger and bigger, making the fraction and therefore the limit closer and closer to 0. </span>
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Step-by-step explanation:

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anastassius [24]

Answer:

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