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larisa [96]
2 years ago
11

În triunghiul ascuțitunghic ABCABC, punctul HH este ortocentrul său. Dacă măsura unghiului \angle BHC∠BHC este 130^{\circ}130 ∘

, iar \dfrac{\angle ABC}{5}=\dfrac{\angle ACB}{8} 5 ∠ABC ​ = 8 ∠ACB ​ , atunci măsura unghiului \angle ABC∠ABC este: bai baietei si fetite lasati ph ul si ajutati-ma si pe mn ca scoate diriga cureaua . Daca nu ma ajutati muie
Mathematics
1 answer:
Ahat [919]2 years ago
8 0
I need the points,I apologize.I also don’t understand this language lol.
You might be interested in
6n + 9 = -3 - 21 - 6
denis23 [38]
6n+9=-3-21-6
subtract the numbers:-3-21-6=-30
6n+9=-30
subtract 9 from both sides
6n+9-9=-30-9
simplify
6n=-39
divide both sides by 6
\frac{6n}{6}= \frac{-39}{6}
n= \frac{-13}{6}
decimal n=-6.5
Hope this helps :)
3 0
2 years ago
<img src="https://tex.z-dn.net/?f=%20%7B2%7D%5E%7Bn%7D%20%20%3D%20226%20%20" id="TexFormula1" title=" {2}^{n} = 226 " alt=" {2
Rudik [331]
N equals to 7.82 (to 2 decimal places)

5 0
3 years ago
Read 2 more answers
Square root of 75 plus square root of 3
olya-2409 [2.1K]
Answer:
6√3

Explanation:
Before we begin, remember the following:
\sqrt{a*b} = \sqrt{a}  *  \sqrt{b}
m \sqrt{a} + n \sqrt{a}  = (m+n) \sqrt{a}

Now, for the given:
75 can be written as 25*3
This means that:
\sqrt{75} = \sqrt{25*3}
Applying the above concept, we can find that:
\sqrt{75} = \sqrt{25*3} = \sqrt{25}  *  \sqrt{3}
Now, we know that:
√25 = 5 (we ignored the negative value)

This means that:
√75 = 5√3

Finally, we can compute the needed sum as follows:
√75 + √3 = 5√3 + √3 = 6√3

Hope this helps :)

8 0
3 years ago
Read 2 more answers
Jane was given a bag of sweets and ate two-thirds of them right away. The next day she ate two-thirds of the remainder and the f
Wewaii [24]

Answer:

54

Step-by-step explanation:

First you take two and multiply it by three, which gives you 6. Then you multiply it by three and get 18. Then you multiply and get 54.

6 0
3 years ago
Read 2 more answers
a 65 foot ladder is leaning against a well. Its lower end is 25 feet away from the wall. How much farther away will it be if upp
Crazy boy [7]
<h3>Answer:  14 feet</h3>

=====================================================

Explanation:

Check out the diagrams below.

We'll start with the left diagram (marked "before") which is a right triangle with the horizontal leg of 25 feet and hypotenuse 65 feet.

Use the pythagorean theorem to find the vertical side x.

a^2 + b^2 = c^2

25^2 + x^2 = 65^2

625 + x^2 = 4225

x^2 = 4225 - 625

x^2 = 3600

x = sqrt(3600)

x = 60

The top of the ladder is 60 feet high when placed against the wall in this configuration.

------------------

If the upper end is moved down 8 feet, then x-8 = 60-8 = 52 feet is the new height of the ladder. Refer to the "after" in the diagram below.

Like earlier, we'll use the pythagorean theorem to find the missing side.

a^2 + b^2 = c^2

y^2 + 52^2 = 65^2

y^2 + 2704 = 4225

y^2 = 4225 - 2704

y^2 = 1521

y = sqrt(1521)

y = 39

The horizontal distance from the ladder base to the wall is now 39 feet.

Earlier it was 25 feet, so it has increased by 39-25 = 14 feet.

8 0
2 years ago
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