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Nesterboy [21]
3 years ago
10

Which of the following expressions results in a positive number? Select 3 that apply.

Mathematics
1 answer:
Slav-nsk [51]3 years ago
7 0

9514 1404 393

Answer:

  B, C, D

Step-by-step explanation:

A product with an even number of minus signs will be positive.

  A. (-6)(-3)(-2) = -36

  B. (-4)(-4) = 16 . . . . . positive

  C. (-3)(-8) = 24 . . . . positive

  D. (6)(2) = 12 . . . . . . positive

  E. (-3)(4) = -12

_____

Your calculator can help with this.

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Could someone help with a maths question? The attachment has the questions on it.
andre [41]

The days she has recorded: 11 + 10 + 7 + 6 + 3 + 2 = 39
The mode distance (most often): 5 km
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2 years ago
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3 years ago
Determine whether −2 is a zero (root) of the function:
lianna [129]

Answer:

The answer to your question is No

Step-by-step explanation:

Data

function f(x) = 2x³ + x² - 10x - 12

To know if a number is a root of a function, evaluate the function on that number, if the result is zero, then that number is a root.

Substitution          

               f(-2) = 2(-2)³ + (-2)² - 10(-2) - 12

Simplification          

               f(-2) = 2(-8) + 4 + 20 - 12

               f(-2) = -16 + 4 + 20 - 12

               f(-2) = -28 + 24

               f(-2) = -4

-2 is not a root that the function.

5 0
3 years ago
Read 2 more answers
You put $500 in the bank, where it ears 1.5% simple interest every year. How long until your money will triple?
zzz [600]

Answer:

133.33 years

Step-by-step explanation:

Given that:

Principal = $500

Interest rate (r) = 1.5% = 0.015

Triple amount of principal = $500 * 3 = $1500 = final amount (A)

Number of years (t) =?

Using the relation :

A = P(1 + rt)

1500 = 500(1 + 0.015t)

1500 / 500 = 1 + 0.015t

3 = 1 + 0.015t

3 - 1= 0.015t

2 = 0.015t

2 / 0.015 = 0.015t / 0.015

133.333 = t

133.33 years

3 0
3 years ago
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