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lesya [120]
3 years ago
14

A car passes a landmark on a highway traveling at a constant rate of

Mathematics
1 answer:
irina1246 [14]3 years ago
8 0
<span>let t be the distance for the second car to catch the first car where thefirst car is 55 km ahead
distance = speed * time
63t = 55t + 55
63t - 55t = 55
8t = 55
t = 55/8
t = 6.88 hrs or 6 hrs 53min </span>
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10 &lt; –2b or 2b + 3 &gt; 11
Zinaida [17]
<span>10 < –2b or 2b + 3 > 11 represents 2 different sets of numbers.

</span><span>10 < –2b can be reduced by dividing both sides by -2; you must then reverse the direction of the < sign:  -5 > b, which is the interval b < -5:  (-infinity, -5).

</span>2b + 3 > 11 reduces to 2b > 8, which in turn reduces to b > 4:  (4, infinity).

It may be helpful to graph these sets.

If you really do mean   "<span>10 < –2b or 2b + 3 > 11," then the "solution" is made up of two sub-intervals:  b < -5 and b > 4.

</span>
5 0
3 years ago
What are the next two numbers in this pattern? 5, –30, 180, –1080, . . .
Amiraneli [1.4K]

6480 is the next one, and the second next one is -38880. You can determine this by multiplying the number twice by 36.

4 0
3 years ago
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Could u help me <br><br>with this ​
AleksandrR [38]

Answer:

P = 7

Step-by-step explanation:

46+8=54

54-5=49

49÷7=P

5 0
3 years ago
Determine area of the peice
katen-ka-za [31]
The answer is 79.56.
3 0
3 years ago
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Simon has a scale model of the Concorde airplane. The actual length of the Concorde is approximately 200 feet. If the ratio of t
Verizon [17]
The answer is:  "40 cm " .
_________________________________________________________
<u>Note</u>:
_________________________________________________________

\frac{200 ft }{ (x) cm} = \frac{5}{1}  ;

Solve for "x" (in "cm" ) ; 


→  5x = 200 * 1 ; 

→  5x = 200 ; 

Divide each side of the equation by "5" ; 
   to isolate "x" on one side of the equation; & to solve for "x" ; 

→  5x / 5 = 200 / 5 ; 

to get:

→  x = 40 .
___________________________________________________________
The answer is:  " 40 cm " .
___________________________________________________________
6 0
3 years ago
Read 2 more answers
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