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harkovskaia [24]
2 years ago
13

Complete the square. x2 + 14x +

Mathematics
1 answer:
jasenka [17]2 years ago
8 0

Answer:

x² + 14x + 49

Step-by-step explanation:

x² + 14x + 49

each side = (x+7)

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it is a polynomial equation of degree two that can be written in tche form, where a,b, and c are real numbers and a =/
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Answer:

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6 0
2 years ago
A flagpole is at the top of a building. 300 feet from the base of the building, the angle of elevation of the top of the pole is
Grace [21]

Answer: We can use tangent here to find the length of the flagpole

First, find the length of the building + the flag pole

tan 32 = x/300

x=300tan32=187.460805573

(length of building + flagpole)

find length of building

tan 30 = x/300

x=173.205080757

subtract

187.460805573-173.205080757=14.255724816

round, length of flagpole = 14 feet

7 0
3 years ago
What property does the statement show? (4x8)x3=(8x4)x3
8090 [49]
Why not? Because every math system you've ever worked with has obeyed these properties! You have never dealt with a system where a×b did not in fact equal b×a, for instance, or where (a×b)×c did not equal a×(b×c). Which is why the properties probably seem somewhat pointless to you. Don't worry about their "relevance" for now; just make sure you can keep the properties straight so you can pass the next test. The lesson below explains how I kept track of the properties.
6 0
3 years ago
A truangular bandana has an area of 42 square inches. The height of the triangle is 5 1/4 inches. Enter and solve an equation ti
nasty-shy [4]

Answer: The length of the base of the triangle is 16 inches.

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula

Area of a triangle (A) = base x height x 1/2

Replacing with the values given:

42 = b (5 1/4) 1/2

Solving for b (lenght of the base)

42 / (5 1/4) 1/2 = b

16 in = b

The length of the base of the triangle is 16 inches.

Feel free to ask for more if needed or if you did not understand something.

4 0
3 years ago
Jack is 2 times as old as Jill. In 2 years, Jill will be 8.
Delicious77 [7]

Answer:

c 17

Step-by-step explanation:

because if you subtract 2 from 8 you would get 6,

6 times 2 is 12

add 5 to 12 and you get 17

6 0
2 years ago
Read 2 more answers
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