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s2008m [1.1K]
3 years ago
8

I don't get these problems please help me

Mathematics
1 answer:
Leno4ka [110]3 years ago
7 0
A. We know that 3,300,000 gallons enter the river in a second. So Shana says that 200,000,000 gallons enter in a minute. There's 60 seconds in a minute, so multiply 3,300,000 by 60. We get 198,000,000. If we were to round up, we would get 200,000,000, which is Shana's estimate. So her estimate is fairly correct.

B. Divide 200,000,000 by 4. We should get 50,000,000 quarts.
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I need help now please ​
enyata [817]

Answer:

the 3rd one

Step-by-step explanation:

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Free brainiest but you have to give me brainiest just put a question up saying free brainiest
weqwewe [10]

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3 years ago
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Determine the surface area from the folllowing nets. Type the answer in the space provided (no units needed). If the answer is c
frosja888 [35]

Answer:

1.) 138

2.) 55

Step-by-step explanation:

1.) 8 x 6 = 48 x 2 = 96

   (middle) 8 x 3 = 24

   (triangles) 6 x 3 = 18 divided by 2 = 9 x 2 = 18

96 + 24 + 18 = 138

2.) (middle) 5 x 5 = 25

    (triangles) 5 x 3 = 15 divided by 2 = 7.5 x 4 = 30

     30 + 25 = 55

Hope this helped!!

8 0
3 years ago
Find the square root of the following using division method . iv) 36360
sveticcg [70]

Answer:

190.684

Step-by-step explanation:

To find the square root of 36360, we place a bar over the numbers that we want to find their square root in pairs

    ,    1       \dot{3} \overline{63}  \overline{60}

       , 1       1

2,       <u>9</u>      2  \overline{63}

         9      261  

38,      <u>0</u>            2 60

          0            0

         .    

380,    6            26000

        ,  6           22800

3806,  8          320000

         ,  8          304480

38068, 4       1552000

           ,4

Which gives 190.684

3             63 60

We select the divisor to be the largest number which when squares will be equal to the largest number on the left which is 1

We have 1 * 1 = 1

We subtract it from the 3 to get 2

We add the 1's to get 2

We bring down the next pair which is 63 to form the next dividend, 263

We look for a number which will multiply itself to get 263, which is 9, we then have 29 × 9 = 261

We continue till we arrive at the vertical paired numbers which is 190.684.

7 0
3 years ago
Distribute and combine like terms: −4(7r + 7)
Amiraneli [1.4K]

Answer:

r=1

Step-by-step explanation:

-4(7r+7)

-28r-28

r=1

6 0
3 years ago
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