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Westkost [7]
1 year ago
8

Solve the following equation for X. 12r² + 24 = 0

Mathematics
1 answer:
Gelneren [198K]1 year ago
4 0

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

r=√−200x

r=−√−200x

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Charles has $40 and spends 1/4 of it on some shirts. how much does Charles haven left? A. $25 B. $40 C. $30 D. $10
Nutka1998 [239]
1/4 = 4

$40 / 4 = $10

To get the final answer, subtract the original amount with the amount above;

$40 - $10 = $30

Your final answer is $30. Please make this answer the brainiest?
8 0
2 years ago
The terminal velocity of a person falling through air is about 100Km/hr. The acceleration due to gravity is 10ms−2. Use this inf
Aleonysh [2.5K]

The question here is how long does it take for a falling person to reach the 90% of this terminal velocity. The computation is:

The terminal velocity vt fulfills v'=0. Therefore vt=g/c, and so c=g/vt = 10/(100*1000/3600) = 36,000/100,000... /s. Incorporating the differential equation shows that the time needed to reach velocity v is 

t= ln [g / (g-c*v)] / c. 

With v=.9 vt =.9 g/c,

t = ln [10] /c = 6.4 sec.

8 0
3 years ago
PLEASE HELP 50 points
hoa [83]

Answer:

r > 7 (C)

Step-by-step explanation:

3r−7>14

Step 1: Add 7 to both sides.

3r−7+7>14+7

3r>21

Step 2: Divide both sides by 3.

3r

3

>

21

3

r>7

Hope this helps and makes sense!! Good luck and have a wonderful day! <33

Imagine this < as a alligater and itś eating the greater number!!

8 0
2 years ago
Read 2 more answers
How do I do this ixl
svetlana [45]
The anwser that I know of is 6x+2
8 0
3 years ago
An arithmetic sequence has this recursive formula:
Marianna [84]

Answer:

Option D is the correct option.

<em>please </em><em>see</em><em> the</em><em> attached</em><em> picture</em><em> for</em><em> full</em><em> solution</em><em>.</em><em>.</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

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5 0
3 years ago
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