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Naily [24]
3 years ago
11

Select the expression equivalent to (4x-6)-(7x+8)

Mathematics
1 answer:
lapo4ka [179]3 years ago
3 0
-3x-14 should be the answer
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Change from rectangular to spherical coordinates. (let ≥ 0, 0 ≤ ≤ 2, and 0 ≤ ≤. ) (a) (5, 5 3 , 10 3 )
Nikolay [14]

The spherical coordinate that is converted from the given rectangular coordinate is (12.62, 46.67°, 35.3°).

Here, the given rectangular coordinate is (5, 5.3, 10.3).

Therefore, the value of 'x' is 5, the value of 'y' is 5.3 and the value of 'z' is 10.3.

We can convert the rectangular coordinate (x, y, z) into spherical coordinate (ρ, θ, Φ) by the below mentioned method.

We know, ρ² = (x²+y²+z²)

Therefore, ρ

= √(x²+y²+z²)

= √[(5)²+(5.3)²+(10.3)²]

= √(25+28.09+106.09)

= √(159.18)

= 12.62

Again, tan θ = (y/x)

Therefore, θ = tan⁻¹(y/x) = tan⁻¹(5.3/5) = tan⁻¹(1.06) = 46.67°

Similarly, cos Φ = (z/ρ)

Therefore, Φ = cos⁻¹(z/ρ) = cos⁻¹(10.3/12.62) = cos⁻¹(0.816) = 35.3°

Here, the spherical coordinate is (ρ, θ, Φ).

Therefore, the required spherical coordinate for the given rectangular coordinate is (12.62, 46.67°, 35.3°).

Learn more about the conversion of a rectangular coordinate to a spherical coordinate here: brainly.com/question/17185505

#SPJ4

8 0
2 years ago
Please help me !!! ASAP What can be concluded from the scatter plot
KatRina [158]

Answer:

The answer is c

6 0
3 years ago
James, who works as an accountant, is paid for overtime. Last week he worked 11,9,8,8 and 8 hours respectively on his weekdays.
Margaret [11]

Answer:

441.60

Step-by-step explanation:

4 hours of 1.5 times is 38.40 + 19.20=57.60

40 hours at 9.60 = 384

384+ 57.60== 441.60

7 0
3 years ago
Does anyone know how to find the surface area?
zaharov [31]
Find the area of each side, first off, do you know how to find the area of a trapezoid
7 0
3 years ago
Read 2 more answers
NEED HELP NOW 25 POINTS WILL MARK BRAINLIEST ANSWER!!!!!
Pachacha [2.7K]
The sandwich cost 2.25 meaning that that would be our slope since the price can go higher with every sandwich you buy.. and it will be negative because you will be taking away that sum to your five dollars.. so we have y=-2.25 +5 it has plus five because it  is how much you had in the first place.. so lets test it, lets say you buy 2 sandwiches. you will put 2 in for x and solve it.. -2.25(2) +5 multiply -4.5+5 and you get .5 this lets you see first how much you will spend and what will be left out

Hope i helped
4 0
3 years ago
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