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Naddika [18.5K]
3 years ago
11

I don't know how to do this it is hard

Mathematics
1 answer:
Solnce55 [7]3 years ago
3 0
(-4) means that it would be +4
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The average (arithmetic mean) of 7 numbers in a certain list is 12. The average of the 4 smallest numbers in this list is 8, whi
Morgarella [4.7K]

Answer:

Step-by-step explanation:

Let the 4 greatest numbers be, A, B, C D

(A + B + C + D)/4 = 8

Total sum = 4 × 8

= 32

Let the 4 lowest numbers be, D, E F G,

(D + E + F + G)/4 = 20

Total number = 4 × 20

= 80

Hence, the difference between the sums of the 3 greatest number and the 3 smallest numbers:

A, B, C and E, F, G

= D + (E + F + G) - (A + B + C) - D

= (E + F + G) - (A + B + C)

= 80 - 32

= 48.

4 0
3 years ago
Solve addition and subtraction word problems using the ruler as a number line
Trava [24]
Its just like using your hand only difference is a ruler unless its a point in it it goes into segments like quarters etc.
5 0
4 years ago
35/56 Fashion that are equivalent
Elena-2011 [213]

Answer:

5/8

Step-by-step explanation:

Simplify the following:

35/56

The gcd of 35 and 56 is 7, so 35/56 = (7×5)/(7×8) = 7/7×5/8 = 5/8:

Answer: |

| 5/8

7 0
3 years ago
Convert 40 mm to 0.5 l​
nika2105 [10]

Answer:

1.57480315

Step-by-step explanation:Mark me brainliest!

8 0
3 years ago
Using the constant of proportionality, determine how much water will be in the bathtub after 2.5 minutes.
valkas [14]

Answer:

\boxed{41.25}

Step-by-step explanation:

<em>Hey there!</em>

Well we know the constant of proportionality is 16.5 because on the table it states 1 minute is 16.5 gallons.

So we can set up the following,

W = 2.5*16.5

W = 41.25

<em>Hope this helps :)</em>

5 0
3 years ago
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