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Umnica [9.8K]
3 years ago
6

Find the value of the expression: -2 3/5 x 4 Explain how you found your answer in 2 complete sentences and write your answer in

a mixed number.
Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

i think its 0.4

Step-by-step explanation:

Mamont248 [21]3 years ago
8 0
The answer is negative 10.4
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What is the value of the expression below when a = 3 and b = 7?
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6 0
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I need help with this
Monica [59]

Using derivatives, it is found that regarding the tangent line to the function, we have that:

  • The slope is of 962.
  • The equation of the line is y = 962x - 5119.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

The slope of the line tangent to a function f(x) at x = x' is given by f'(x'). In this problem, the function is given by:

f(x) = 5x³ + 2x + 1.

The derivative is given by:

f'(x) = 15x² + 2.

Hence the slope at x = 8 is:

m = f'(8) = 15(8)² + 2 = 962.

The line goes through the point (8,f(8)), hence:

f(8) = 5(8)³ + 2(8) + 1 = 2577.

Hence:

y = 962x + b

2577 = 962(8) + b

b = -5119.

Hence the equation is:

y = 962x - 5119.

More can be learned about tangent lines at brainly.com/question/8174665

#SPJ1

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The sum of one and the product of four and a number x
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Step-by-step explanation:

This is a right triangle, so we can apply the Pythagorean Theorem.

6² + 8² = 10²   so the length of the hypotenuse must be 10.

6 0
2 years ago
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