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Vitek1552 [10]
3 years ago
7

Please please please answer this question for me !! Im stuck on it,,, you'll get a guaranteed brainliest!!! THANK YOU!!! 40 POIN

TS

Mathematics
1 answer:
Phoenix [80]3 years ago
4 0

Answer:

Step-by-step explanation:

The vertical axis represents distance traveled, and the horizontal axis represents time.

At the beginning, time = t = 0 and distance = d = 0.

Between t = 0 and t = 20, the group moved in the positive direction by 40 units.  Then, between t = 20 and t = 60, they stayed where they were, at distance 40 units from the origin.  (Slope of graph is zero; this means the rate of travel is zero.)

Between t = 60 and t = 120, the group moves further away from the origin (actually, further away from Point C, reaching Point D, which is 150 units from the origin.  

Between t = 120 and t = 160, the group is at rest / does not move.

Between t = 160 and t = 200, the group moves back to the origin (distance = 0) at a steady rate.

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62,000 is 1/10th of​
djyliett [7]

Answer:

Should be 620,000

Step-by-step explanation:

5 0
3 years ago
Find an equation of the sphere containing all surface points P = (x, y, z) such that the distance from P to A(−3, 6, 3) is "twic
Marina86 [1]

Answer:

Equation of Sphere =  x^{2} + y^{2} + z^{2} - 18x - 4/3y +10z + 142/3 = 0

Step-by-step explanation:

Data Given:

P = (x,y,z)

Distance from P to A (-3,6,3) = Twice the distance from P to B(6,2,-3)

Solution:

Find the equation of the sphere:

It is given that:

PA = 2PB

Squaring both sides:

(PA)^{2} = (2PB)^{2}

(PA)^{2} = 4 (PB)^{2}

(x - (-3))^{2} + (y - 6)^{2} + (z-3)^{2} = 4 x (x-6)^{2} + (y-2)^{2} + (z-(-3))^{2}

Solving the above equation:

(x + 3))^{2} + (y - 6)^{2} + (z-3)^{2} = 4 x {(x-6)^{2} + (y-2)^{2} + (z + 3))^{2}}

x^{2} + 9 + 6x + y^{2} + 36 - 12y + z^{2} + 9 - 6z = 4 { x^{2} + 36 - 12x + y^{2} + 4 - 4y + z^{2} + 9 + 6z}

x^{2} + 9 + 6x + y^{2} + 36 - 12y + z^{2} + 9 - 6z = 4x^{2} + 144 - 48x +4y^{2} + 16 - 16y + 4z^{2} + 36 + 24z

Putting the right hand side = 0 and solving the equation:

x^{2} - 4x^{2} + y^{2} - 4y^{2} + z^{2} - 4z^{2} + 6x + 48x - 12y +16y -6z - 24z + 9 + 36 + 9 -144 - 16 - 36 = 0

-3x^{2} - 3y^{2}  -3z^{2}  + 54x + 4y -30z -142  = 0

Taking (-) common

- ( 3x^{2} + 3y^{2} + 3z^{2}  - 54x - 4y +30z + 142) = 0

3x^{2} + 3y^{2} + 3z^{2}  - 54x - 4y +30z + 142 = 0

dividing the whole equation by 3

x^{2} + y^{2} + z^{2} - 54/3x - 4/3y +30/3z + 142/3 = 0

x^{2} + y^{2} + z^{2} - 54/3x - 4/3y +30/3z + 142/3 = 0

x^{2} + y^{2} + z^{2} - 18x - 4/3y +10z + 142/3 = 0

7 0
3 years ago
Whats the answer giving brainliest>>>>
Elza [17]

Answer:

the answer is b

Step-by-step explanation:

brainliest pls

5 0
3 years ago
In a group of 58 learners at Nakambuda C.S, 34 learners have chosen the field of Agriculture. What fraction of learners will be
asambeis [7]

learners of Agriculture: 34/58

semplify it

divide by 2

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58 > 29

they are prime numbers, so can't be semplify anymore

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in percentage we have a proportion:

17 : 29 = x : 100

x = (17 * 100) / 29 = 1700 / 29 ≅ 48,62

4 0
3 years ago
Is there enough information given to find the value of X. Explain your reasoning.
Anna007 [38]
With what you've jus given me, no. is there an equation or something to go along with this question?

4 0
3 years ago
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