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3 years ago

What is |-3|+|-2|? Please answer asap! Thank you

2 answers:

5 0

A - 24!

-21 as its true value is 21

-3 as its true value is 3

if you add them together you get 24!

Hope this helped ^^

Tems11 [23]3 years ago

4 0

The answer for |-3|+|-2| is 5.

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To reduce 16 ounces of a 25% solution of antiseptic to a 10% solution, how much distilled water should a nurse add?

yan [13]

Answer:

24 ounces

Step-by-step explanation:

Here's a more intuitive approach to use here.

You know that your initial solution has a percent concentration, presumably volume by volume, of

. This means that any volume of this solution contains

part solute and

parts solvent.

The target solution must have a concentration of

, which means that any volume of this solution will contain

part of solute and

parts solvent.

Your starting solution has a volume of

ounces, or

parts, each with a volume of

ounces.

In order to get to a solution that has a total of

parts, you must add

parts of solvent to the initial solution. Since we know that

1 part

4 ounces

it follows that you must add

parts

⋅

4 ounces

part solvent

24 ounces

of distilled water, which is your solvent, to the initial solution.

The target solution will contain

part solute and

parts distilled water for a total of

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7 0

3 years ago

A car is going at 80 mph. how long will it take to cover 20 miles

Lilit [14]

30 = 80*t
t = 30/80 = 3/8 hr
3/8 hr * 60 min/hr = 180/8 = 22.5 min

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3 years ago

If U = {x: X € N, 1 < × < 15)

Inessa05 [86]

Answer:

Step-by-step explanation:

Given:

U = {x: X € N, 1 < × < 15) = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}

A = {2,4,6,8,10,12,14}

B = {3,6,9,12,15}

C = {5,10,15}

(a) Verify A(BnB)=(AUB)(AUB)

A U (B n B)

= {2,4,6,8,10,12,14} U ( {3,6,9,12,15} n {3,6,9,12,15} )

= {2,4,6,8,10,12,14} U {3,6,9,12,15}

= {2,3,4,6,8,9,10,12,14,15}

( A U B) n (A U B)

= {2,3,4,6,8,9,10,12,14,15} n {2,3,4,6,8,9,10,12,14,15}

= {2,3,4,6,8,9,10,12,14,15}

Therefore

A U (B n B) = ( A U B) n (A U B)

verifies

(b) Verify An(BUC)=(AnB)u(AnC)

A n ( B U C)

= {2,4,6,8,10,12,14} n ( {3,6,9,12,15} U {5,10,15} )

= {2,4,6,8,10,12,14} n {3,5,6,9,10,12,15}

= {6,10,12}

( A n B ) U ( A n C )

= ( {2,4,6,8,10,12,14} n {3,6,9,12,15} ) U ( {2,4,6,8,10,12,14} n {5,10,15} )

= {6,12} U {10}

= {6,10,12}

Therefore

A n ( B U C) = ( A n B ) U ( A n C )

verifies

AU(BUC)

= {2,4,6,8,10,12,14}U{3,6,9,12,15}U{5,10,15}

= {2,3,4,5,6,8,9,10,12,14,15}

(AUB)U(AUC)

= ({2,4,6,8,10,12,14}{3,6,9,12,15})U({2,4,6,8,10,12,14}U{5,10,15})

= {2,3,4,6,8,9,10,12,14,15}U{2,4,5,6,8,10,12,14,15}

= {2,3,4,5,6,8,9,10,12,14,15}

Therefore

AU(BUC)=(AUB)U(AUC)

verifies

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3 years ago

What are two different ways for finding the area of the shaded region. All angles are right angles.

Vika [28.1K]

Answer:

one way is L times W (length times width)

Step-by-step explanation:

for example if you had 5ft. for length and 6ft. for width you would times the two to get you area

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nevsk [136]

Answer:

Write in standard form.

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Step-by-step explanation:

8 0

2 years ago

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