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Montano1993 [528]
3 years ago
9

A plane travels 395000 meters in 9000 seconds , what is the speed?

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
8 0

Answer:

Speed= distance/time

395000/9000= 43.9m/s

77julia77 [94]3 years ago
3 0
43 8/9 meters per second
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What is 12-9×3×4+3 in three different ways
Maurinko [17]
1. 12-9×3×4+3=-93
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3 years ago
Triangle ABC was dilated by 50%. What is the relationship between AC and A'C'?
Elina [12.6K]

Answer:      

The length of segment AC is two times the length of segment A'C'

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

Let

z ----> the scale factor

A'C' ----> the length of segment A'C'

AC ----> the length of segment AC

so

z=\frac{A'C'}{AC}                        

we have that

z=50\%=50/100=\frac{1}{2} ---> the dilation is a reduction, because the scale factor is less than 1 and greater than zero

substitute

\frac{1}{2}=\frac{A'C'}{AC}                

AC=2A'C'

therefore

The length of segment AC is two times the length of segment A'C'

5 0
3 years ago
Read 2 more answers
What ratio is equivalent to 4 : 28
klasskru [66]

Answer:

2 : 14

Step-by-step explanation:

6 0
3 years ago
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PLEASE ANSWER THIS QUICKLY! THANK YOU!
Citrus2011 [14]
1/2 / 3/4 
= 1/2 x 4/3
= 4/6
= 2/3

a = 2
b = 4
c = 3
d = 2
e = 3
3 0
3 years ago
Blake has to put up a fence around a pet pen which s rectangular. If the width is 23 feet and the perimeter is 114 feet. What is
ziro4ka [17]
P = 2(L + W)
P = 114
W = 23

114 = 2(L + 23)
114 = 2L + 46
114 - 46 = 2L
68 = 2L
68/2 = L
34 = L <=== so the length is 34 ft
7 0
3 years ago
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