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Lunna [17]
3 years ago
15

What is (x+2)(x+5) in polynomial standard form

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
3 0

Answer:

=x^2+7x+10

Step-by-step explanation:

Simplify: xx+5x+2x+2.5: x+7x+10

Add similar elements: 5x+2x= 7x

=xx+7x+2.5

xx=x2

2.5=10

=x+7x+10

Answer: =x^2+7x+10

<em><u>Hope this helps.</u></em>

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Step-by-step explanation:

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3 years ago
Convert 36 inches into feet: A.3 feet B. 3.5 inches C.3.6 feet d.3.1 feet​
wolverine [178]

Answer:

3 feet

Step-by-step explanation:

12 inches = 1 foot

36 inches = 36 / 12 = 3 feet

4 0
2 years ago
Bearings are tricky and I though I had this
Leya [2.2K]

Answer:

241°

Step-by-step explanation:

You are given the triangle internal angle (N) at Naples = 46°, and the side opposite a = 765 km. You are given the side b = 515 km, and asked to find an angle related to the internal angle opposite (C).

By the law of sines, the internal angle (C) at Canton is ...

sin(C)/b = sin(N)/a

C = arcsin((b/a)sin(N)) = arcsin(515/765·sin(46°)) ≈ 28.964°

The bearing from Elgin to Canton will be 270° less this angle, so is about 241°.

_____

Comment on your answer

Apparently, you added 29° to 270°, rather than subtracting. Since the direction from Elgin to Canton is south of west, the bearing angle must be between 180° and 270°. Note that a line west from Elgin will be parallel to the line east from Canton, so you can take advantage of alternate interior angles being congruent where the Elgin-Canton line crosses those parallel east-west lines.

7 0
3 years ago
How do i check if 12=x-4 is 16
My name is Ann [436]

Answer:

x=16

Step-by-step explanation:

12 = x - 4

+4      +4

By adding 4 to both sides it cancels out the -4 leaving the x alone and makes x=16

8 0
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