3 years ago

Which answer choices represent a scenario that matches the expression "(-5)(4)"? (Select all that apply!)

Mathematics

2 answers:

viva [34]3 years ago

7 0

Answer:

Step-by-step explanation:

C and D.

Natalka [10]3 years ago

5 0

Options A and D seem to represent the scenario u have given

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Find the roots of the quadratic equation x^2 – 8x = 9 by completing the square. Show your work.

loris [4]

X² - 8x = 9
x² - 8x - 9 = 0
x² + x - 9x - 9 = 0
x(x + 1) -9(x + 1) = 0
(x+1)(x-9) = 0
x = -1 or 9

In short, Your Answers would be -1 & 9

Hope this helps!

3 0

3 years ago

Which of the following graphs could be the graph of the function f(x) = x4 + x3 – x2 – x?

vitfil [10]

<u> Solution-</u>

The given function is,

$f(x) = x^4+ x^3-x^2-x$

$= x^3(x+1)- x(x+1)$

$= (x+1)(x^3-x)$

$= (x+1)x(x^2-1)$

$= (x+1)x(x+1)(x-1)$

$= {(x+1)}^2x(x-1)$

Therefore, at x=0, -1, 1 , f(x) will be 0 . Hence, 0, -1 ,1 are the x-intercepts.

Plotting the graph on desmos, the graph will be as in the attachment.

7 0

4 years ago

Read 2 more answers

Explain how can you use place value to compare 1.679 and 1.697.<br> Thanks!

Ludmilka [50]

Answer:

Well, you look at each individual place value.

1.679 and 1.697

Compare 1 to 1. They are the same. Move on.

Compare 0.6 to 0.6. They are the same. Move on

Compare 0.07 and 0.09. They are not the same. 0.07 is less than 0.09

Therefore 1.679 < 1.697

Hope this helps :)

Please consider Brainliest :)

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3 years ago

Ruby misses 4% of the free throws she attempts in a season. How many total free throws did she attempt if she missed 46?

Phoenix [80]

Honestly I don’t even know what this is sorry I tried

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3 years ago

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T/35 = 42 what does t equal?

anastassius [24]

Answer:

t=1470

Step-by-step explanation:

hope it helps!

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3 years ago