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dangina [55]
3 years ago
15

Please help extra points and Mark brainless

Mathematics
1 answer:
Naya [18.7K]3 years ago
4 0
-1/6 Is the answer for this!!
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Tanya typed 160 words in 5 minutes on her essay for Spanish class
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4 years ago
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How many solutions does the equation −4y + 4y + 2 = 2 have? (1 point) a Two b None c One d Infinitely many
elena55 [62]

Answer:

Infinity

Step-by-step explanation:

-4y + 4y + 2 = 2

2 = 2 = always true

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What is the range of the function f(x) = |x| – 3?
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The range would be [-3, infinity)
-3 (inclusive) to infinity (non-inclusive)

7 0
3 years ago
A certain radioactive isotope decays at a rate of 0.3​% annually. Determine the ​half-life of this​ isotope, to the nearest year
Liono4ka [1.6K]

This could be rephrased as:

You start with 100 grams of a substance.  One year later you have 70 grams.  What is the half-life?

We need this formula:

half-life = (time * natural log (2)) / natural log (beginning amount / ending amt)

half-life = (1 year * .69315) / natural log (100 / 70)

half-life = (.69315) / 0.35667494396

half-life = 1.9433661145 years

Rounding to nearest year half-life = 2 years

Sourse: https://www.1728.org/halflif2.htm

(See problem 3)


7 0
4 years ago
After substituting, what is the first operation performed when evaluating 5+(9x-3) - 2 for %=5?
algol13

Answer:

Multiplication.

Step-by-step explanation:

Given:

5+(9x-3)-2

Also x=5

Solution:

It has been given that value of x is 5.

So if we substitute the value of x in given equation the we get;

5+(9\times 5 - 3)-2

Now by PEDMAS, The first operation perform will be the terms in parenthesis and in that too the first will be multiplication.

so we get;

5+(45-3)-2

Now again Solving the terms in parenthesis we get;

5+42-2

Now the next operation will be addition then we get;

47 -2

And finally performing subtraction we get;

45

Hence The first operation performed in given equation is multiplication.

7 0
3 years ago
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