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Ad libitum [116K]
3 years ago
5

How many triangles can be made from 4 cm, 5 cm, 50º how many can be made with 3 given angles

Mathematics
1 answer:
zaharov [31]3 years ago
6 0

Answer:

Angle 1: 65°

Angle 2: 65°

Angle 3: 50°

Step-by-step explanation:

The sum of 3 angles in a triangle should always be 180°. If it is not 180° all together then it isn't a triangle. So I did 180-50=130 and 130÷2=65 so I chose 65°

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What is the surface area of the cone?
goblinko [34]

Answer: C

Step-by-step explanation:

To find the surface area of a cone, you use the formula A=\pi r(r+\sqrt{h^2+r^2} ). Since we are already given the height and radius, all we have to do is plug in the values and solve.

A=9\pi (9+\sqrt{41^2+9^2} )       [solve inside of square root]

A=9\pi (9+\sqrt{1762} )             [parenthesis]

A=9\pi (50.976 )                   [multiply]

A=458

Therefore, the closest answer is C.

3 0
3 years ago
There’s a picture .<br> Wich number below is a power of 6?
bekas [8.4K]

Hello from MrBillDoesMath!

Answer:

36


Discussion:

36 = 6^2   so is a power of 6

The other choices are multiples of 6 not powers of 6 (e.g. 24 = 6*4, 12 = 6*2, 18 = 6*3)


Tha nk you,

MrB

4 0
3 years ago
Find the missing length of the triangle. Round to the nearest tenth. a = _____, b = 7, c = 9
kogti [31]

Answer: Maybe 5.7

Step-by-step explanation: To solve this we are going to need to understand the pythagorean theorem. we can use it as a way to find this certain side. if we put these numbers in the theorem, we get a^2+49=81 (7^2=49 and 9^2=81), we can subtract 49 on both sides and get 32. We would also need to take out the power of 2 on the side of the a^2, so you would do the square root of a^2, which would just become a and the square root of 32, which if you crunch the numbers on a calculator. You would get 5.656..... then you round it to the nearest tenth and get 5.7.

5 0
2 years ago
Read 2 more answers
The function g is given in three equivalent forms. Which form most quickly reveals the zeros (or "roots") of the function? Choos
koban [17]

Answer:

C. g(x) = -2 \cdot (x + 1)\cdot (x+7)

Step-by-step explanation:

The polynomial form that reveals most quickly the zeroes is the form of a product of binomials. That is:

g(x) = \Pi\limits_{i=1}^{n}  (x-r_{i})

Where \Pi is the product function and r_{i} is the i-th root of the polynomial.

Hence, g(x) = -2 \cdot (x + 1)\cdot (x+7) resembles a form that is close to the form described above. The right option is C.

8 0
3 years ago
Which is NOT true?<br> 9 + 4 = 17 - 4<br> 8 + 7 = 14 + 3<br> 11 = 19 - 8<br> 5 + 8 = 20 - 7
Fynjy0 [20]
8+7 = 14+3 is the false answer
4 0
2 years ago
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