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Naya [18.7K]
3 years ago
13

A crew of meteorologists measured the amount of snowfall in 7 different parts of a mountain town. They each recorded the amount

of snow in inches and arranged their data from least to greatest. The number of inches that fell were 2, 2, 3, 4, 5, 6, and 6. The mean amount of snowfall was 4 inches.
What is the MAD (mean absolute deviation) rounded to the nearest tenth?


0.6

1.4

1.7

4.0
Mathematics
1 answer:
Rashid [163]3 years ago
7 0

Answer:

Your answer would bd B

Step-by-step explanation:

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185 in because because becuase i searches it up up yp up up up up up up
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What is the volume of a ball if the diameter if the ball is 6 inches? Leave your answer in terms of π.
kap26 [50]
<span>Volume  = 4/3*pi*r^3
As diameter = 6 inches
Radius = Diameter / 2
Radius = 6/ 2
Radius = 3 inches
Putting the value of r in the formula :
 =4/3*pi*3^3
</span><span> =4/3*pi*27
 </span>= 36*pi 
So according to above explanation,
<span>B) V = 36 π cubic inches , is the correct answer.</span>
7 0
2 years ago
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Simplify each only using positive exponents:<br> 2x^-3 • 4x^2<br> 2x^4 • 4x^-3<br> 2x^3y^-3 • 2x
erica [24]
<h2>Answer:</h2>

\frac{2}{x}

\frac{x}{2}

\frac{4x^4}{y^3}

<h2>Step-by-step explanation:</h2>

a. 2x^-3 • 4x^2

To solve this using only positive exponents, follow these steps:

i. Rewrite the expression in a clearer form

2x⁻³ . 4x²

ii. The position of the term with negative exponent is changed from denominator to numerator or numerator to denominator depending on its initial position. If it is at the numerator, it is moved to the denominator. If otherwise it is at the denominator, it is moved to the numerator. When this is done, the negative exponent is changed to positive.

In our case, the first term has a negative exponent and it is at the numerator. We therefore move it to the denominator and change the negative exponent to  positive as follows;

\frac{1}{2x^3} . 4x^2

iii. We then solve the result as follows;

\frac{1}{2x^3} . 4x^2 = \frac{2}{x}

Therefore, 2x⁻³ . 4x² = \frac{2}{x}

b. 2x^4 • 4x^-3

i. Rewrite as follows;

2x⁴ . 4x⁻³

ii. The second term has a negative exponent, therefore swap its position and change the negative exponent to a positive one.

2x^4 . \frac{1}{4x^3}

iii. Now solve by cancelling out common terms in the numerator and denominator. So we have;

\frac{x}{2}

Therefore, 2x⁴ . 4x⁻³ = \frac{x}{2}

c. 2x^3y^-3 • 2x

i. Rewrite as follows;

2x³y⁻³ . 2x

ii. Change position of terms with negative exponents;

2x^3.\frac{1}{y^3} .2x

iii. Now solve;

\frac{4x^4}{y^3}

Therefore, 2x³y⁻³ . 2x = \frac{4x^4}{y^3}

8 0
3 years ago
10^x • 100^2x = 1000^5. Step by Step
nordsb [41]
Step one: set the base of each term to be the same (10)
(10ˣ)(10²)²ˣ = (10³)⁵
(10ˣ) (10⁴ˣ)= (10¹⁵)
10⁵ˣ = 10¹⁵
Because the indices are the same we can equate the two.
5x = 15
x = 3

Check 10⁵ˣ³ = 10¹⁵    10¹⁵=10¹⁵
4 0
3 years ago
I already know the answer to this problem, I want a explanation on how to get the answer.
DochEvi [55]

\\ \bull\tt\dashrightarrow BC=CE

\\ \bull\tt\dashrightarrow 3x+3y=7x+5y

\\ \bull\tt\dashrightarrow 7x-3x=3y-5y

\\ \bull\tt\dashrightarrow 4x=-2y

\\ \bull\tt\dashrightarrow 2x=-y

\\ \bull\tt\dashrightarrow \dfrac{x}{y}=\dfrac{-1}{2}

Now

\\ \bull\tt\dashrightarrow BE=BC+CE+CD

\\ \bull\tt\dashrightarrow BE=3x+3y+7x+5y+5x-2y+6

\\ \bull\tt\dashrightarrow BE=15x+6y+6

5 0
2 years ago
Read 2 more answers
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