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Ede4ka [16]
3 years ago
14

Twenty cars pass through Intersection X in 4 minutes, 35 cars pass through Intersection Y in 5 minutes, and 36 cars pass through

Intersection Z in 6 minutes. Which intersection has the least number of cars passing through it every minute?
A. Intersection X has the least number of cars passing through it every minute.

B. Intersection Y has the least number of cars passing through it every minute.

C. Intersection Z has the least number of cars passing through it every minute.

D. Intersections X and Y have the least number of cars passing through them every minute.

E. Intersections Y and Z have the least number of cars passing through them every minute.
Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
5 0

Answer:

b

Step-by-step explanation:

im guessing

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Factorise (x+y)^3- (x^3+y^3) plzzz answer ​
lilavasa [31]

Answer:

\huge \boxed{ \boxed{ \tt 2xy(x + y)}}

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • factoring
  • PEMDAS
<h3>tips and formulas:</h3>
  • (a+b)³=a³+3a²b+3ab²+b³
  • a³+b³=(a+b)(a²-ab+b²)
<h3>let's solve:</h3>
  1. \sf \: use \: 2nd \: formula \: to \: simplify :  \\  \sf(x + y {)}^{3}  - (x + y)( {x}^{2}  - xy +  {y}^{2} )
  2. \sf factor \: out \: (x + y) :  \\ (x + y )\{(x + y)^{2} - ( {x}^{2}  - xy +  {y}^{2}  \}
  3. \sf simplify :  \\ (x + y {)} \{ {x}^{2}  + 2xy +  {y}^{2}  -  {x}^{2}  + xy -  {y}^{2}  \}
  4. \sf collect \: and \: combine \: like \: terms :  \\ (x + y) \{2xy \}
  5. \sf \: rewrite : \\  2xy(x + y)

and

we are done

5 0
3 years ago
Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing four red marbles, three green ones, fo
NeTakaya
In this question, Suzan is taking 5 marble from a bag containing 4 red marbles, 3 green ones, 4 white ones, and 3 purple ones. The total marble in the bag should be: 4+3+4+3= 14. The question is how much the probability to get <span>1 red, 2 green, 1 white and 1 purple.

Ways to take 5 marble out of 14=14C5= 14!/5!9!= </span>2002<span>
 
</span>Ways to take 1 red marble out of 4= 4C1= 4<span>

</span>Ways to take 2 green marble out of 3= 3C2= 3

Ways to take 1 white marble out of 4= 4C1= 4

Ways to take 1 purple  marble out of 3= 3C1= 3

Then the probability would be: 4*3*4*3/ 2002= 144/2002= 72/1001
5 0
3 years ago
PLEASE HELPPPPP!!!!!
vivado [14]
The answer is C!!!!!!
5 0
3 years ago
Triangle FGH is reflected across a vertical line to produce ABC. Which statement is true
nadezda [96]

Answer:

answer is a

Step-by-step explanation:

answer would be a because a reflection does not change the size or shape of any figure

5 0
3 years ago
Lucas invests $12,500 in an account that earns 6.2% compound interest if Lucas does not make any additional deposits or withdraw
kow [346]
Assuming it is compounded monthly, Lucas will have $28,128,737.86 in his account after 16 months. 
3 0
3 years ago
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