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neonofarm [45]
3 years ago
9

Find the slope of the line passing through the points (-2, 9) and (-10, 33).

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
6 0
The answer the your question should be a slope of -3
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-Translate this phrase into an algebraic expression.
Virty [35]

Answer:

20n - 4

Step-by-step explanation:

the product of 20 and a number means multiplying 20 by n (the variable representing the number)

to get four less than this product, you subtract 4

5 0
2 years ago
I need help!
arsen [322]

The instantaneous rate of change of the function f(x) = −4x² − 3x + 1 at the point x = -3 is 21.

<h3>What is the instantaneous rate of change of the function at the given point?</h3>

The instantaneous rate of change is simply the change in the derivative value at a specific point.

Given the data in the question;

  • f(x) = −4x² − 3x + 1
  • Point x = -3

To determine the instantaneous rate of change of the function, first find the derivative of the function.

f(x) = −4x² − 3x + 1

Applying sum rule, with respect to x

d/dx[ -4x² ] + d/dx[ -3x ] + d/dx[ 1 ]

[ 2 × -4x¹ ] + [ 1 × -3x⁰ ] + d/dx[ 1 ]

[ -8x ] + [ -3 ] + d/dx[ 1 ]

-8x - 3 + d/dx[ 1 ]

Differentiate using constant rule

-8x - 3 + [ 0 ]

-8x - 3

f'(x) = -8x - 3

Next, plug x = -3 into the derivative and simplify.

f'(x) = -8x - 3

f'(-3) = -8(-3) - 3

f'(-3) = 24 - 3

f'(-3) = 21

Therefore, the instantaneous rate of change of the function f(x) = −4x² − 3x + 1 at the point x = -3 is 21.

Learn more about instantaneous rate of change here: brainly.com/question/28122560

#SPJ1

7 0
1 year ago
Please help!!!!!!!!!!
BigorU [14]

Answer:

A

Step-by-step explanation:

5,12,13 is a right triangle

4 0
2 years ago
Read 2 more answers
Tim installs 50 square feet of his floor in 45 minutes. At this rate how long does it take him to install 495 square feet.
Nina [5.8K]
50 sqft = 45 min
495 sqft = x min

495/50 is 9.9. So we know we multiplied 50 by 9.9 to change it to 495.
Do the same on the other side. 45 x 9.9 = 445.5.

It will take him 445.5 minutes, or 7.425 hours
7 0
3 years ago
I need help plzzzzzzzzz help me​
andrew11 [14]

Answer:

Which do you need help with?

1. -6 is 4 units from -2 in the negative direction.

2. A. and D

Step-by-step explanation:

When adding negative numbers the negative will be more, but if you are adding positive and negative numbers, whichever sign (+ or -) has the bigger number then that is the sign of the answer.

Additive inverses are when two numbers are added together to equal zero. Therefore if you have -3+3, it would be an additive inverse.

Hope this helps.

5 0
3 years ago
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