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Ugo [173]
3 years ago
6

Five times a number increased by 8 is seven less than 6 times the number. Find the number.

Mathematics
1 answer:
maksim [4K]3 years ago
3 0

Answer:

15 = x

Step-by-step explanation:

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Let f(x)=2.912345x^2+3.131579x-0.099999
Rudiy27
A.) Integers are positive and negative counting numbers. So, in order to find the integer coefficients, round off the coefficients in the equation to the nearest whole number. The function for g(x) is:

g(x) = 3x²+3x

B.) Substitute x=4 to the two functions.

f(x) = 2.912345x²<span>+3.131579x-0.099999
</span>f(4) = 2.912345(4)²+3.131579(4)-0.099999
f(4) = 59.023837

g(x) = 3x²+3x
g(4) = 3(4)²+3(4)
g(4) = 60

C.) The percentage error is equal to:

Percentage error = |g(4) - f(4)|/f(4)  * 100
Percentage error = |60 - 59.023837|/59.023837  * 100
Percentage error = 1.65%

D.) If x is a large number, for example x=10 or x=20, then g(x) would be an overestimate. This is because the value of x is raised to the power of 2. So, as the x increases, the corresponding function would increase exponentially. Even at x=4, g(x) is already an overestimate. What more for larger values of x? That means that the gap from the true answer f(x) would increase.
5 0
3 years ago
(-8,-2) and (-4,6) write a equation
Dmitry [639]

Answer:

slope of AB=2

AB(distance)=4√5

Step-by-step explanation:

slope of AB=6-(-2)/-4-(-8)

=2

AB=√(-8-(-4))^(2+(-2-6)^(2

=4√5 or 8.94427

next time pls type clearly ur question, because actually I don't know what kind of answer that u want to know. sorry

7 0
3 years ago
Please help me <br> Look at the image
Leto [7]

Answer:

74 degrees

Step-by-step explanation:

As sum of interior and exterior at a vertex add to 180, subtract 106 from 180 to get 74 degrees

3 0
2 years ago
What is 100 ÷ 5 × 4 + 43 <br> A. 69<br> B. 144<br> C. 0.3<br> D. 1.2
inn [45]
123 - Use PEMDAS but since you have both division and multiplication you can just go from left to right
4 0
2 years ago
Read 2 more answers
Help! ANSWER #1 please!
nikklg [1K]
The area is 2,772 feet


Hope this helps! Good luck on your homework!!!
4 0
3 years ago
Read 2 more answers
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