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Darina [25.2K]
3 years ago
9

Evaluate. Pay close attention to all brackets and signs.

Mathematics
2 answers:
laiz [17]3 years ago
6 0
The answer to this equation is 9.
4-(-5)= (when there is two negative side by side, it becomes positive)
4+5=9
mixer [17]3 years ago
5 0
|4| - |-5|
all the absolute numbers are always positive.
when you will open the brackets positive will remain positive and negative will change to positive so we get
4 - 5
= -1 Ans
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This question is confusing. Please help me!This question is confusing. Please help me!
Lera25 [3.4K]

Answer:

(C) 1/2

Step-by-step explanation:

  • s + 3s = 4s
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(C) is the answer

7 0
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A doctor prescribes a 100-mg antibiotic tablet to be taken every eight hours. Just before each tablet is taken, 20% of the drug
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Answer:

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Step-by-step explanation:

20% of  100 is 20 so that would be 20mg  plus the 100mg they just took

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2 years ago
Work out the volume of this sphere?
Gekata [30.6K]

Step-by-step explanation:

v =  \frac{4}{3} \pi {( \frac{19}{2} )}^{3}  \\ v =  \frac{4}{3} \pi \: 857.375 = 3591.364  \\ = 3591.4 \:  {cm}^{3}

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Whitepunk [10]

The volume of the box as a polynomial in the variable x is x(12 - 2x)(7 - 2x)

<h3>How to determine the volume?</h3>

The complete question is added as an attachment

From the attached image, we have:

Length = 12 - 2x

Width = 7 - 2x

Height = x

The volume is calculated as:

Volume = Length * Width * Height

Substitute the known values in the above equation

Volume = (12 - 2x) * (7 - 2x) * x

This gives

Volume = x(12 - 2x)(7 - 2x)

Hence, the volume of the box as a polynomial in the variable x is x(12 - 2x)(7 - 2x)

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brainly.com/question/4142886

#SPJ1

7 0
1 year ago
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