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Orlov [11]
3 years ago
10

Which time period represents a constant rate of change? A) 0 minutes to 10 minutes B) 5 minutes to 10 minutes C) 5 minutes to 15

minutes D) 15 minutes to 25 minutes
Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
8 0

Answer:

a represent a constant rate of change

Scilla [17]3 years ago
4 0

Answer:

B

Step-by-step explanation:

just took the test

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What is the sum of a 56-term arithmetic sequence where the first term is 6 and the last term is 391?
Sati [7]
S_n=\dfrac{a_1+a_n}{2}\cdot n\\\\a_1=6;\ n=56;\ a_{56}=391\\\\subtitute\\\\S_{56}=\dfrac{6+391}{2}\cdot56=\dfrac{397}{2}\cdot56=397\cdot28=11,116
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2 years ago
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A solid lies between planes perpendicular to the​ x-axis at x = -2 and x = 2. The​ cross-sections perpendicular to the​ x-axis b
icang [17]

Answer:

V = 128π/3 vu

Step-by-step explanation:

we have that: f(x)₁ = √(4 - x²);  f(x)₂ = -√(4 - x²)

knowing that the volume of a solid is  V=πR²h, where R² (f(x)₁-f(x)₂) and h=dx, then

dV=π(√(4 - x²)+√(4 - x²))²dx;  =π(2√(4 - x²))²dx ⇒

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4∫dx-∫x²dx = 4x-(x³/3) evaluated -2≤x≤2 or too 2 (0≤x≤2) , also

∫dv=8π∫(4-x²)dx evaluated 0≤x≤2

V=8π(4x-(x³/3)) = 8π(4.2-(2³/3)) = 8π(8-(8/3)) =(8π/3)(24-8) ⇒

V = 128π/3 vu

8 0
3 years ago
The radius of a circle is
KIM [24]

Answer:

43.98

Step-by-step explanation:

7 0
2 years ago
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nordsb [41]
For# 1 the answer would be
-3/5

for #2 the answer would be
3/4

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Answer:A 131.25%

Step-by-step explanation:

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3 years ago
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