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V125BC [204]
3 years ago
10

inverse cosine is used to find to find a given angle measure when we know the ________ and the ______.

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0

Answer: adjacent and hypotenuse

Step-by-step explanation: Cos theta is adjacent/Hypotenuse

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Which equation is equivalent to x2+16x+4=0
Daniel [21]

Answer:

(x+8)^2 - 60 = 0

Step-by-step explanation:

x^2 + 16x + 4 = 0

x^2 + 16x + 64 - 60 = 0

(x + 8)^2 - 60 = 0

8 0
3 years ago
On any given day, the number of users, u, that access a certain website can be represented by the inequality 125-4530
Masteriza [31]

Answer:

Step-by-step explanation:

Our inequality is |125-u| ≤ 30. Let's separate this into two. Assuming that (125-u) is positive, we have 125-u ≤ 30, and if we assume that it's negative, we'd have -(125-u)≤30, or u-125≤30.

Therefore, we now have two inequalities to solve for:

125-u ≤ 30

u-125≤30

For the first one, we can subtract 125 and add u to both sides, resulting in

0 ≤ u-95, or 95≤u. Therefore, that is our first inequality.

The second one can be figured out by adding 125 to both sides, so u ≤ 155.

Remember that we took these two inequalities from an absolute value -- as a result, they BOTH must be true in order for the original inequality to be true. Therefore,

u ≥ 95

and

u ≤ 155

combine to be

95 ≤ u ≤ 155, or the 4th option

4 0
3 years ago
Anyone knows this?!? ​
IRINA_888 [86]

Answer:

(0.84, 0.88)

Step-by-step explanation:

if you round 0.875 you get 0.88

8 0
2 years ago
Find the value of x.<br> 43°<br> X<br> x = [?]°
ZanzabumX [31]
The opposite sides are supplementary
43+x=180
X=137
5 0
3 years ago
+
kherson [118]

answer is b.Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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