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Sonja [21]
3 years ago
15

The average rate of change from x = 1 to x = 3 of f(x)=x^3 - 4 is __________

Mathematics
1 answer:
Vikki [24]3 years ago
8 0
This looks confusing
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List two ordered pairs on the graph of y = 3x + 2 <br> A. 2,7 , 3,9<br> B. 2,8 , 3,11
cricket20 [7]
The answer is b. 2,8 and 3,11
8=3(2)+2
8=6+2
8=8

11=3(3)+2
11=9+2
11=11
7 0
3 years ago
A new computer can complete a complex biochemistry calculation in 7 hours less than an older-model computer. Working together, t
Alchen [17]
The rate a computer works is 1/time. Working together, you add the rates.
Let new computer be x, old computer be y.
x = y - 7

\frac{1}{x} + \frac{1}{y} = \frac{1}{13} \\  \\ \frac{1}{y-7}+\frac{1}{y} = \frac{1}{13} \\  \\ \frac{2y-7}{y(y-7)} = \frac{1}{13} \\  \\ y(y-7) = 13(2y-7) \\  \\ y^2-33y+91 = 0 \\  \\ y = 29.96 \\  \\ x = y-7 = 29.96-7 = 22.96
Rounded to nearest tenth gives:
x = 23 hours
6 0
3 years ago
What is the answer to this 2√3-5√÷√3+2√5​
Burka [1]

Answer:

\sqrt{ \div 3}

mathematicallly error sentence!

4 0
3 years ago
Read 2 more answers
Find the measure of an angle such that the difference between the measures of its supplement and four times its complement is 30
Katarina [22]

Answer:

70 degrees

Step-by-step explanation:

x = angle

180 - x = it's supplement

90 - x = it's compliment

(180 - x) - 4(90 - x) = 30

180 - x - 360 + 4x = 30

reducing

3x = 210

x = 70

7 0
3 years ago
I need help with this question
Artemon [7]
8x+5xsquared+3
tucjvkbhlnhgjfcdxfchvjgbkhnjlhkgfdgchgvhb
6 0
3 years ago
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