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Shkiper50 [21]
2 years ago
6

Simplify the equation 28 - 6n + 7(2n -8)-3n

Mathematics
2 answers:
Flauer [41]2 years ago
6 0

Answer:

5n-28

Step-by-step explanation:

28-6n+7(2n-8)-3n

28-6n+14n-56-3n

28+8n-56-3n

28-56+8n-3n

-28+5n

5n-28

BaLLatris [955]2 years ago
4 0
Answer: 5n - 28

first, distribute 7 to (2n-8), which would be 14n - 56

rewrite to have all common terms next to each other, which would be:

-6n + 14n - 3n + 28 - 56

combine all like terms.

5n - 28
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Find the domain and range of the function f(x)= 8|x|+sinx
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Dominio:
(−∞,∞),{x|x∈R}

Rango:
(−∞,∞),{y|y∈R}
6 0
2 years ago
the area of a rectangular flower bed is 6.5sq.feet. the width of the flower bed is 0.75 feet. what is the length of the flower?
RSB [31]

width= w

length = l=w+5

Area = l * w

104  =(w+5) * w

w2 +5w -104 =0

(w+13)(w-8)=0

w=13 and w=8

so width =8

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5 0
3 years ago
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Given a circle with a radius of 2, which is the length of an arc measuring 75 degrees?
WARRIOR [948]
\bf \textit{arc's length}\\\\
s=\cfrac{r\theta\pi }{180}\qquad 
\begin{cases}
\theta=\textit{angle in degrees}\\
r=radius\\
---------\\
r=2\\
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3 0
3 years ago
Please I need the polynomial for this problem, if you don’t know then don’t answer! Wrong answers will be reported
babymother [125]

Answer:

Area = (36π - 12πx + x²π) mm²

Step-by-step explanation:

Given that,

radius of lense = 6mm

Length from outer layer of pupil to lense = x mm

Radius of pupil = 6 - x mm

<h3>Formula to calculate area of pupil</h3><h3> Area = π r²</h3>

<em> where r is radius of pupil</em>

Area = π (6 -x)²

Area = π (6² -2(6)(x) + x²)

Area = π (36 -12x +x²)

Area = (36π - 12πx + x²π) mm²

So, the polynomial in standard form that represent the area of pupil in terms of π =  (36π - 12πx + x²π) mm²

5 0
3 years ago
Estelle drew two parallel lines, PQ and RS, intersected by a transversal KL, as shown below: Two parallel lines, PQ and RS, are
Kryger [21]

Answer:

I'm pretty sure the answer is d,(When both angle KMQ and MNS are equal to angle PMN, the angles KMQ and MNS are congruent.)

Step-by-step explanation:

I had this question on my practice exam for my midterm.

4 0
2 years ago
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