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netineya [11]
3 years ago
14

CAN YALL HELP ME WITH THIS ONEEE!!!!! PLZ

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
8 0

Answer:

b

Step-by-step explanation:

12x12

11x11

10x10

9x9

8x8

7x7

6x6

5x5

4x4

3x3

2x2

1x1

add em together equal 650

Nadusha1986 [10]3 years ago
3 0
The answer is b I’ve already taking that question
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zheka24 [161]

Answer: 4:39, 5:03

Step-by-step explanation:

Given

The yellow line leaves the station every 6 min

The red line leaves the station every 8 min

They both leave at 4:15

Both trains meet again after, LCM(6,8)=24 min

i.e. at

4:15+24=4:39\\4:39+24=5:03

8 0
3 years ago
A skydiver weighing 180lbs (including equipment) falls vertically downward from an altitude of 5000 ft and opens the parachute a
Annette [7]

<span>For the presented problem, the solution would be</span><span> </span><span>v</span><span>(0)=0</span><span>v(0)=0</span><span> is</span><span>v</span><span>(</span><span>t</span><span>)−</span><span>mgb</span><span>=</span><span>e</span><span>−</span><span>b</span><span>/</span><span>m</span><span>⋅</span><span>t</span><span>(</span><span>v</span><span>0</span><span>−</span><span>mgb</span><span>)</span><span>⟺</span><span>v</span><span>(</span><span>t</span><span>)=</span><span>mgb</span><span>(</span><span>1−</span><span>e</span><span>−</span><span>b</span><span>/</span><span>m</span><span>⋅</span><span>t</span><span>)</span><span>≈</span><span>g</span><span>⋅</span><span>t</span><span>−</span><span>gb</span><span>2</span><span>m</span><span>⋅</span><span>t</span><span>2</span><span>, with the following given, </span><span>
m</span><span>=180[lb]=81.6[kg]</span><span> </span>

<span>g</span><span>=9.81[m/s</span><span>2</span><span>]</span><span />

<span>b</span><span>=0.75[kg</span><span>⋅</span><span>m/s</span><span>2</span><span>⋅</span><span>s/ft]=0.2286[kg/s]</span><span />

<span>The solution that the friction provides is </span><span>v</span><span>(</span><span>t</span><span>)=3501.7[m/s]</span><span>⋅</span><span>(</span><span>1−</span><span>e</span><span>−0.00280[1/s]</span><span>⋅</span><span>t</span><span>), where I get </span><span><span>96.69</span></span><span /><span><span><span><span>[</span></span><span /><span><span>m</span></span><span /><span><span><span><span>/</span></span></span></span></span><span><span><span>s</span></span><span /><span><span>]</span></span></span><span>=</span></span><span /><span><span>317.2</span></span><span /><span><span><span><span>[</span></span><span /><span><span>f</span><span>t</span></span><span /><span><span><span><span>/</span></span></span></span></span><span><span><span>s</span></span><span /><span><span>]</span></span></span></span><span><span /></span><span>. I am hoping that this answer has satisfied your query about this specific question.<span /></span>

7 0
3 years ago
HELP URGENT MATH PROBLEM I WILL GIVE BRAINLIEST AND 5 STAR RATING
zhannawk [14.2K]
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day = 44/5 ÷ 4
day = 44/5 × 1/4
day = 44/20
day = 11/5
day = 2 1/5
6 0
3 years ago
What is the measure of bc if b is a midpoint? 4x-5 &amp; 11 + 2x please help asap!
Bad White [126]

Answer:

<em>BC =  27</em>

Step-by-step explanation:

The point B is the midpoint of AC

=> AB = BC

=> 4x - 5 = 11 + 2x

Let's calculate x to work out BC

Transferring the components containing x to the left side, and other components to the right side:

=> 4x - 2x = 11 + 5

Simplifying both sides:

=> 2x = 16

=> x = 8

Working out BC:

=> BC = 11 + 2x = 11 + 2(8) = 11 + 16 = 27

Hope this helps!

7 0
3 years ago
Factor and find all the zeros of 2x^3+3x^2-8x+3 if -3 is a zero
katen-ka-za [31]
Using synthetic division, you can find the quadratic factor to be
.. 2x^2 -3x +1
That, in turn, factors as
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So the complete factorization is
.. (2x -1)(x -1)(x +3)

and the zeros are confirmed by a graphing calculator to be
.. x = 1/2, 1, -3

5 0
3 years ago
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