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vesna_86 [32]
3 years ago
11

Helppppp idk how tu du dis

Mathematics
2 answers:
Arlecino [84]3 years ago
4 0
This expression simplified is 9n^4+8n^3+4
lubasha [3.4K]3 years ago
4 0
9n^4+8n^3+4

answer^^

hopefully that helped some?!!
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In the figure, two poles are 25 m and 35 m high. A cable 23 m long Joins the tops of the poles. Find the distance between the po
sukhopar [10]

Answer: 20.71 m

Step-by-step explanation:

Given

the length of the poles are 25m and 35 m

The length of the cable is 23 m

Suppose the distance between them is x

From the figure, apply Pythagoras theorem

\Rightarrow 23^=x^2+10^2\\\Rightarrow 529-100=x^2\\\Rightarrow x^2=429\\\\\Rightarrow x=\sqrt{429}=20.71\ m

Distance between Poles is 20.71 m

6 0
3 years ago
Solve x2 + 12x = –11 by completing the square. Which is the solution set of the equation?
Ann [662]
If you would like to solve the equation x^2 + 12 * x = -11, you can calculate this using the following steps:

x^2 + 12 * x = -11
<span>x^2 + 12 * x + 11 = 0
</span>(x + 1) * (x + 11) = 0
1. x = - 1
2. x = - 11

The correct result would be x = - 1, or x = - 11.
7 0
3 years ago
Two boards are resting against each other to form an isosceles triangle with the ground as shown in the diagram. What is the hei
stiv31 [10]

Answer:

ygyvyvububububububububububububububububububububububububububububububububububububinininininininininubububyvyctctcrxrxrcrct vvtvybububunininininuninububububububbuub

Step-by-step explanation:

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5 0
3 years ago
Which lists all the integer solutions of the equation |x| = 10?
kakasveta [241]

There is no list and no choices given.

The solutions of     | x | = 10   are   x = 10  and   x = -10 .
 
All (both) solutions happen to be integers.
There are no other solutions.

5 0
3 years ago
Read 2 more answers
Can the sides of a triangle have lengths 5, 14, and 15? <br> YES<br> OR <br> NO
Brums [2.3K]

Answer: Yes, a triangle can have sides of those lengths.

Step-by-step explanation:

3 0
3 years ago
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