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Firdavs [7]
4 years ago
15

The weight of Jacob's backpack is made up of the weight of the contents of the backpack as well as the weight of the

Mathematics
1 answer:
Lyrx [107]4 years ago
8 0

Answer

the notebooks are 20% of the overall weight due to 70% being textbooks and the other 6 pounds or 30% being the bag and note books and with 2/3 of 30% being 20% then the text books are 13 pounds i used 4 x 3 1/2 but that's just my guess

Step-by-step explanation:

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If you can please help!
vladimir1956 [14]

Answer:

y=(2/3)x

using m=(Y2-Y1)/(X2 -X1)

where the coordinates used are ( -3,-2) and (3,2).

The equation of the line is give by the formula, Y - Y1=m(X -X1)

7 0
3 years ago
Pilar wanted to use a estimation to solve a decimal addition problem. She correctly used estimation to rewrite the problem as 12
Maksim231197 [3]

After estimation of decimals problem is written as

=12+3+5+6

There are infinite ways of writing the original problem, i am writing few ways

1. 12.10 +2.95+5.05+6.06----Rounding tenth and Hundreth to nearest ones that is a whole number.

2. 12.25+3.05+4.75+6.42----Rounding tenth and Hundreth to nearest ones that is a whole number.

5 0
4 years ago
Will mark brainlliest
Mazyrski [523]

Answer:

1

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Use words to explain why the two equations below are equivalent
DiKsa [7]

Answer:

These equations are equivalent because after you solve the equation the answer are the same. For example 2+2 and 3+1 are equivalent. They both equal four. In these problems are x=3 and x=3.5 they are the same beause of the answer on problem 2 6-x. That makes them both have the same answer

Step-by-step explanation:

7x-9=12

   +9=+9

   7x=21

   /7=/7

   x=3                                

4 0
3 years ago
Diana had a large stack of playing cards. She knew that 17 of them were kings. She took a sample of 30 cards and found 4 kings.
Mandarinka [93]

Answer:

Diana approximately had 128 cards

Step-by-step explanation:

Let n  be the number of cards Diana had. She knows that

  • there are 17 kings among n cards
  • 4 kings among 30 cards

Write a proportion:

\dfrac{17}{n}=\dfrac{4}{30}

Cross multiply:

4n=17\cdot 30\\ \\4n=510\\ \\n=\dfrac{510}{4}=127.5\approx 128

5 0
3 years ago
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