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Juliette [100K]
3 years ago
11

The average of 20 numbers is 0. among them at least how many of them can be greater than 0.

Mathematics
1 answer:
Neporo4naja [7]3 years ago
8 0

Answer:

The correct option is A.

Step-by-step explanation:

The correct option is A.

According to the given statement:

Average of 20 numbers= 0.

So we have avg = sum/20.

That implies sum = 0.

Hence at the most, there can be 19 positive numbers.  

(Such that if the sum of these 19 positive numbers is x, 20th number will be -x)....

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9x−2(4x−3)&lt;5x+12−6x<br> please answer quick thanks :)
Kitty [74]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

Inequality Form: x < 3

Interval Notation: (-∞, 3)

6 0
3 years ago
What is the y-intercept of the line graphed below?
oksano4ka [1.4K]

Answer:

the y intercept is five

Step-by-step explanation:

the line crosses the y axis at 5

7 0
3 years ago
Read 2 more answers
Whats the sum of 3/8 and 1/16 <br><br>a 1/6<br>b 4/24<br>c 7/16<br>d 1/4
Andreyy89
3/8 + 1/16= 7/16 
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6 0
3 years ago
Can someone help me with this in a scientific notation
Leviafan [203]

Answer:

3.762 x 10^-7

Step-by-step explanation:

Alright this has the same exact concept as other scientific notation problems.

First, multiply your first numbers: 4.18 x 9 = 37.62

Next, we add our powers together -4 +-4 = -8 (can also be read as -4 - 4 = -8)

We now have 37.62 x 10^-8

Wait! This isn't in scientific notation.

Taking a closer look at this we see 37.62 x 10^-8 can be adjusted by moving the decimal over to the left. Scientific notation must be in simplest form with only one number on the left of the decimal. This gives up 3.762.

Now we need to adjust our notation. Since we moved the decimal over one we are adding one more power to our problem.

Our current power of -8 is now adding a power due to moving the decimal place over one unit to the left. This is equivalent to saying -8 + 1 which equals -7. Now that we fixed our powers, we can put our equation back together for our final answer

3.762 x 10^-7

6 0
3 years ago
Volume of right trapezoid cylindar whole bases are B 16m, b 8m, height is 4m and length is 32m
viktelen [127]

Answer:

volume = 1536 m^3

Step-by-step explanation:

given data;

B = 16m

b =8 m

height   H = 4 m

length  L = 32 m

volume of any right cylinder = (Area of bottom) \times (length)

Volume = A* L

The area of a trapezoid is

A=\frac{1}{2} H*(b+B)

A =\frac{1}{2} 4*(8+16)

A = 48 m^2

therefore volume is given as  

volume = 48*32

volume = 1536 m^3

6 0
3 years ago
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