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dangina [55]
3 years ago
13

I really need a answer ASAP

Mathematics
1 answer:
Elza [17]3 years ago
4 0

Answer:

e and c

Step-by-step explanation:

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I need help ASAP I’ll give brainliest:)
olya-2409 [2.1K]

Volume of the cone:

V = 3.14 x 3^2 x 9/3 = 84.78

Volume of half sphere on top of cone:

V = (4/3 x 3.14 x 3^3 )/2 = 56.52

Total volume = 56.52 + 84.78 = 141.3 cm^3

4 0
3 years ago
4{[5 (x-3)+2]-3 [2 (x+5)-9]}
Over [174]
Pemdas
parenthasees exponents mult/division additon/subtraction

parethenasees
x-3 and x+5 we can't do anything with so next
5(x-3)=5x-15

2(x+5)=2x+10

5x-15+2=5x-13

(2x+10-9)=2x+1

(5x-13)-3(2x+1)
-3(2x+1)=-6x-3

5x-13-6x-3=-x-16

4(-x-16)=-4x-64

the answer is -4x-64
6 0
3 years ago
Read 2 more answers
a company makes $10 000 in 2017. The projection of profit increase is fixed 40% from the previous year. Predict the company prof
cestrela7 [59]

Answer:

19600

Step-by-step explanation:

For every year the profit increases by 40% so to figure out the profit from 2017 to 2018 you do 10,000*1.4 to and get 14,000. To get 2019's profit you do the same process, but use 2018's profit of 14,000 instead of 2017's profit to get 19,600.

6 0
3 years ago
Find the slope of the equation ​
alisha [4.7K]
-2.5 is the slope and the equation is y=-2.5+9 hope this helps
4 0
3 years ago
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Please help...A utility pole is 35 ft tall. The pole creates a 50 ft shadow. What is the angle of elevation of the sun? Round yo
Naddika [18.5K]

Answer:

  35°

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relationship between trig functions and sides of a right triangle. The pole and its shadow form the legs of the right triangle with the side adjacent to the angle of elevation being the shadow. "TOA" tells you ...

  Tan = Opposite/Adjacent

  tan(elevation angle) = (pole height)/(shadow length)

  tan(elevation angle) = 35/50 = 0.7

The inverse tangent function, arctan( ) or tan⁻¹( ), is used to find the angle from the value of its tangent.

  elevation angle = arctan(0.7) ≈ 34.99° ≈ 35°

4 0
3 years ago
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