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Alexus [3.1K]
3 years ago
14

I don’t know what to do please help

Mathematics
1 answer:
Marrrta [24]3 years ago
4 0

Answer:

cos(A)=√21/5

Step-by-step explanation:

Use the definition of each function as well as the Pythagorean Theorem.

Hope it helps :>

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Rounded 3,428,583 rounded to the nearest 10,000
densk [106]
Since you want to round to the 10,000 place, you'll want to look at the 2 and the 8 that are next to each other. The 8 makes the two a 3 because it is greater than 5, which gives you 3,430,000. Hope this helped!
8 0
4 years ago
Read 2 more answers
Will give brainliest
ehidna [41]

Answer:

25.047 or roughly 25.

Step-by-step explanation:

I solved it wrong the first time then i double check with wolframalpha and got the correct number.

We know that the area of the tile is 18 \sqrt{3} and it makes a triangle, we also know the base and height. In this case the base is 2\sqrt{3}^{x/12} and the height is also given which is \sqrt{3}^{\frac{x}{6} }.

Area of triangle = \frac{bh}{2},

substituting we will end up with  18 \sqrt{3}  =( 2\sqrt{3}^{x/12}  *  \sqrt{3}^{\frac{x}{6} }) / 2

Here is the tricky part \sqrt{x} = x^{\frac{1}{2} }, i totally forgot about that lol.

Simplifying: we will get  18 \sqrt{3} = 3^{\frac{x}{8} }

Now, in order to find the x, we will need to take the log of both sides.

log18\sqrt{3}  = \frac{x}{8} log3

Solving for x we end up getting:

8\frac{log18\sqrt{3} }{log3} = x

where x = 25.047.

To be honest I deserve a nobel prize not a brainliest lol.

Good question bro, take it easy.

5 0
3 years ago
7x + 3 (5x + 9) = 247
Airida [17]
7x + 15x + 27 = 247
22x = 247 -27
22x =225
X= 10.22
8 0
4 years ago
How. to know if your data is numerical or categorical​
Anon25 [30]

Answer:

See in details.

Step-by-step explanation:

Categorical data don't have any logical order and it can't be translated into a numerical value.

Numerical data are numbers and they represent some order and value.

5 0
3 years ago
Read 2 more answers
I need some help on this problem, please. Thank you. Picture attached
Nonamiya [84]
The answer is the second one...

f(x) = √(x + 2)

notice that when x = -2 (as we can see on the diagram, y will be equal to 0.

√(-2 +2) = √(0) = 0


Follow my account. (:
5 0
3 years ago
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