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neonofarm [45]
3 years ago
12

Can someone help? Find the mean of the data in the bar chart below.

Mathematics
2 answers:
KatRina [158]3 years ago
8 0

Answer:

b

Step-by-step explanation:

Sergio039 [100]3 years ago
6 0

Answer:

2.5

Round this up to 3

Step-by-step explanation:

Add all the numbers of the graph together

1+4+3+2 = 10

Divide by 4 because it has 4 categories in total

= 2.5

Round up because its asking for puppets and theres not 1/2 of a puppet.

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A deep-sea diver dives from the surface to 131 feet below the
Darina [25.2K]

Answer:

146 feet below the surface

Step-by-step explanation:

-131+8-18-28+23=-146

8 0
1 year ago
Question 1
AveGali [126]

Answer:

2.30/7.5

Step-by-step explanation:

4.30-2=2:30

2.5-10=7.5

8 0
3 years ago
The volume of a sphere is 3,000 m^3. What is the surface area of the sphere to the nearest square meter?
vovangra [49]

Answer:

C

Step-by-step explanation:

V=4 /3πr3

3000=1 1/3*3.14*r*r*r

3000=4.18666667*r*r*r

716.560509=r^{3}

Cube root the number

8.94851471456=r

TSA=4\pir^{2}

TSA=4*3.14*8.94851471456*8.94851471456

TSA=1006.26

Since we used different numbers for pi and I rounded our answer will be different but the answer is C

3 0
3 years ago
Determine in which quadrant the product of 5(cos3pi/8 + isin 3pi/8) and sqrt 2(cos pi/12 + sin pi/12) lies.
ohaa [14]
When you multiply two complex numbers given in polar form, the argument of the product is the sum of the arguments of the factors. Meanwhile, the modulus of the product is the product of the moduli of the factors.


In this case, you'd have

\dfrac{3\pi}8+\dfrac\pi{12}=\dfrac{11\pi}{24}

and the modulus would simply be 5\sqrt2. Since

\dfrac{11\pi}{24}

we would expect the final product to fall in the first quadrant.
6 0
2 years ago
What are the leading coefficient and degree of the polynomial? <br> 20-w^9+2w^3+12w
Ilya [14]

I assume you want the leading coefficient because there is only 1.


The leading coefficient is always in front of the term with the greatest exponent.


Leading coefficient = -1.


The degree of this function is 9. It is a ninth degree polynomial function. Why 9? It is a 9th degree polynomial because 9 is the greatest power.


6 0
3 years ago
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