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german
3 years ago
13

kim had 13 pencils, she gave some pencils to her friend, and then sge got 2 new pencils. now she has 9 pencils. how many did she

give her friend
Mathematics
2 answers:
Katyanochek1 [597]3 years ago
6 0
Answer is 6, 13-6= 7+2=9 :)
Irina-Kira [14]3 years ago
5 0
5, because 9 minus 2 is how many pencils she has (which is 7), and if you do 13 minus 7, you get 5.
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ladessa [460]

Answer:

3(x−1)=18

Answer:

x=7

Step-by-step explanation:

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How do you find a square root of a decimal?
vova2212 [387]

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8 0
2 years ago
Doug lives 7. Block away from his school . Each block is about 265 feet long. What is total round-trip dostance,in miles that Do
olga_2 [115]

Answer:

B : 0.7

Step-by-step explanation:

Given:

Doug lives 7. Block away from his school.

Each block is about 265 feet long.

Question asked:

What is total round-trip distance,in miles that Doug walks to and from school each day ?

Solution:

Each block is about = 265 feet

7 Block = 265\times7 = 1855 \ feet

As he lives 7 block away from his school that means his round trip distance is,

7 block ( travel during going to school ) + 7 block ( when return from school )

<em>Therefore, his total round trip is 14 block, means 1855 feet + 1855 feet = 3710 feet.</em>

Now, we have to convert it into miles as here asked: (unitary method)

5280 feet = 1 mile

1 feet = \frac{1}{5280}

3710 feet = \frac{1}{5280}\times3710

               = \frac{3710}{5280} = 0.7 \ miles

Thus, total round-trip distance,in miles that Doug walks to and from school each day is 0.7 miles.

5 0
3 years ago
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Andrew [12]
13 is 4 less than 9.
7 0
3 years ago
Simplify (9x^3-4x+10)+(x^3+10x-9)
Alex

Simplify

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Collect like terms

(9x^3 + x^3) + (-4x + 10x) + (10 - 9)

Simplify

<u>10x^2 + 6x + 1</u>

6 0
3 years ago
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