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QveST [7]
3 years ago
5

PLEASE ANSWER THIS IS URGENT!!!!!!

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
5 0

Answer:

Step-by-step explanation:

page read in 1 minute =2/3 40 pgs

page read in 2 hours=(1 hrs = 60 min) 2hrs =120 min

2/3 *120 = 80 pgs

vladimir1956 [14]3 years ago
4 0

Answer:

80 pages

Step-by-step explanation:

First, work out how many minutes are in two hours.

2 hours = 120 minutes.

Multiply 2/3 by 120

2/3 × 120 = 240/3

Simplify the the fraction

240/3 = 80/1 = 80.

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A commercial package contains thirty-six 200-mg tablets of ibuprofen. How many kilograms of ibuprofen were
PIT_PIT [208]

Answer: 0.0072 kilogram

Step-by-step explanation:

Given : The mass of one tablet of ibuprofen =200  mg

Then, the mass of 36 tablets of ibuprofen =36\times200  mg

i.e. the mass of 36 tablets of ibuprofen =7200  mg

We know that 1 kilogram = 1000 grams

and 1 gram = 1000 milligram

Then, 1 kilogram = 1000,000 milligrams

Then, \text{1 mg}=\dfrac{1}{1000,000}\text{ kg}

Now,  \text{7200 mg}=\dfrac{7200}{1000,000}=0.0072\text{ kg}

Hence, A commercial package contains 0.0072 kilogram of ibuprofen.

3 0
3 years ago
Calculate the value of x. (only x, not y) 80 degrees and 60 degrees
nalin [4]
Msjdisidndnakaoslfndbehowmdbdjeiwkdnfbej
5 0
3 years ago
A scientist makes an acid solution by adding drops of acid to 1.2 L of water. The final volume of the acid solution is 1.202 L.
laila [671]

Answer:

40 drops

Approximately 0.166 %

Step-by-step explanation:

It would be easier to work the same units for volume

Since there are 1000 ml in a liter

Original water volume 1.2 L = 1.2 x 1000 = 1200 mLl

The final volume of the acid-water solution = 1.202 L = 1202 mL

So total volume of acid added = 1202-1200 = 2 mL

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Number of drops added = 2/.05 = 40 drops

Percent of acid in acid solution = (Volume of acid added)/(Final volume) x 100 = (2/1202) ≈ 0.00166 x 100 ≈ 0.166 %

7 0
1 year ago
Solve the system of equations using substitution. Show your work. <br> y= 2x - 10<br> y= 4x - 8
Semenov [28]
Y=2x-10
Y=4x-8
U substitute it and it turns into 2x-10 =4x-8
U get x=-1
Y=4*(-1)-8
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If u have a phone u can use photo math or if u don’t there’s a thing called mathpapa
4 0
3 years ago
What's the negative reciprocal of 5? Question 12 options: A) 1∕5 B) –5 C) –1∕5 D) 5
levacccp [35]

Answer:

\huge\boxed{C)\ -\dfrac{1}{5}}

Step-by-step explanation:

The reciprocal of 5: \dfrac{1}{5}

The negative reciprocal of 5: -\dfrac{1}{5}

7 0
2 years ago
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