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DochEvi [55]
3 years ago
5

Solve and round if neccesary -2x^2+18+7x

Mathematics
2 answers:
serious [3.7K]3 years ago
4 0
Simplified form: -2x^2+7x+18
factored form: -(2x^2-7x-18)
koban [17]3 years ago
3 0
I dont lhow the answer tomorrow in the morning I will tell you
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An ant looks up to the top of a building at an angle of elevation of 32°. Then, the ant walks an additional 88 feet from the edg
mel-nik [20]
    Measure of the angle that is opposite the line of 88 feet:
    180° - ( 22° + 148° ) = 10°
    Using the Sine Law:
    sin 10° / 88 = sin 22° / x
    0.173648 / 88 = 0.3746 / x
    x · 0.173648 = 88 · 0.3746
    x = 189.84 ft
    h - height of a building:
    h / x = sin 32°
    h = x · sin 32° = 189.84 · 0.529919 = 100.59987 ≈ 100.6 ft
    Answer:  A ) 100.6 feet 
4 0
4 years ago
4(x – 5) +2x = -14<br> So x=?
Nikolay [14]

Answer:

x=1

Step-by-step explanation:

Step 1:Simplify both sides of the equation

4(x-5)+2x=-14

(4)(x)+(4)(-5)+2x=-14

4x+-120+2x=-14

4x+2x+-20-14

6x+-20=-14

6x-20=-14

Step 2: Add 20 to both sides

6x-20+20=-14+20

6x=6

Step 3: Divide both sides by 6

6x/6=6/6

x=1

4 0
3 years ago
You are given f(0) = 1 and g(0) = -2 and g(1) = 3. What is <br> g ∘ f ( 0 ) <br> equal to?
Sergeu [11.5K]

Answer:

  • <u><em>g∘f (0) = 1</em></u>

Explanation:

The <em>composition</em> of the <em>functions</em> f and g represented by g ∘ f ( 0 ) means that g is applied to f(0), i.e f(0) is the input to the function g.

Since f(0) = 1, you are going fo find g(1):

         \( g\circ f(x)=g(f(x)) \)\\\\\( g\circ f(0)=g(f(0)) \)\\\\\( g\circ f(0)=g(1) \)=3

4 0
3 years ago
Solve the problem. if a roof has a pitch of 5 to 11, how high will the roof rise over a 33-foot run?
Katyanochek1 [597]
Pitch = rise/span = rise/(2 x run)
5/11 = rise/(2  x 33) = rise / 66
rise = 66 x 5/11 = 30 feet.
5 0
4 years ago
Suppose that you are running a concession stand when a person gives you $18 and asks for six drinks and as many hot dogs as the
slega [8]

Answer: 6 hotdogs

Step-by-step explanation:

h= hot dogs

18= 6 + h

-6   -6

6= h

3 0
3 years ago
Read 2 more answers
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