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ANEK [815]
3 years ago
11

A full box of paperclips weighs 150 grams. people use some paperclips from the box, and it now weighs 138 grams. how many millig

rams lighter is the box?
Mathematics
2 answers:
LenKa [72]3 years ago
8 0

Answer:

12000

Step-by-step explanation:

We have to convert grams to milligrams. The conversion from grams to milligrams is 1000.

1 gram = 1000 milligram

We can convert 150 grams and 138 grams to milligrams by multiplying by 1000:

(150-138)\cdot{1000}=12000

The box is 12000 milligrams lighter

svet-max [94.6K]3 years ago
3 0
Here is the answer. Since the given values are in the "gram" units, and the question is asking if how many grams lighter is the box, what we are going to do is just to convert the units so that it would be the same. So 150 grams minus 138 grams is 12 grams. So it is 12 grams lighter, and 12 grams is equivalent to 12,000 milligrams. Hope this answers your question.
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A string is connecting the corner of a square
ser-zykov [4K]

Answer:

Length of the string is 18.7820 ft.

Step-by-step explanation:

Diagram of the given scenario shown below,

Given that,

Angle of elevation from the point on the ground to the corner of the canopy is 37°.Distance of the corner of a square canopy to a point on the ground is 15 ft.

To find:- Find the length of the string.

So,

Length of string = AC

Length of Base = AB

angle of elevation = ∠CAB

Here, In Triangle ΔABC,

                                          cos(∠CAB) = \frac{AB}{AC}

                                          \cos\ (37) = \frac{15}{AC}

                                                 AC= \frac{15}{cos(37)}

                                                  AC=\frac{15}{0.798635}

                                                  AC=18.7820 ft

Hence, Length of the string is 18.7820 ft.

           

5 0
4 years ago
15 of the books for sale at a bookstore store are hardcover. If this represents 12% of all books
spin [16.1K]

The right answer is Option C.

Step-by-step explanation:

Hardcover books = 15

This represent 12% of total books.

Let,

x be the total number of books, therefore,

12% of x = 15

\frac{12}{100}*x=15\\0.12x=15

Dividing both sides by 0.12

\frac{0.12x}{0.12}=\frac{15}{0.12}\\x=125

As, 15 of them are hardcover books, the remaining will not be hardcovers;

Remaining books = Total books - hardcover books

Remaining books = 125 - 15 = 110

115 books are not hardcover.

The right answer is Option C.

Keywords: division, percentage

Learn more about percentages at:

  • brainly.com/question/8618791
  • brainly.com/question/8799684

#LearnwithBrainly

7 0
3 years ago
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Answer:

x = 6

Step-by-step explanation:

7 0
3 years ago
A garden hose supplies 36 gallons of water in 3 minutes. What is the garden hose's water flow in gallons per minute.
Ne4ueva [31]

Answer:

12

Step-by-step explanation:

36/3 =12

8 0
3 years ago
Round to the nearest thousand -0.867796832​
Dima020 [189]

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8 0
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