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Karolina [17]
3 years ago
14

Is 25 to 16 proportional to 5 to 4

Mathematics
2 answers:
WARRIOR [948]3 years ago
8 0
25/16=1.5625
5/4=1.25
They are not proportionally equivalent.
Sonja [21]3 years ago
6 0
No, because you can't simplify 25:16.
Another way to figure out why it is not proportional is to divide.
16 / 25 = 0.64
4/5 = 0.6
0.64 and 0.6 are not equal.

Hope this helps!

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nignag [31]

Answer:

1st = 4×10 ^-9

2nd= 4×10^1

3rd = 4×10^7

4th = 4×10^-5

Step-by-step explanation:

for whole numbers you just have to count from the ending till the number indicated beside the x10

for decimals you count from the front starting at the decimal till you cover the whole number

6 0
1 year ago
Which one is the answer
docker41 [41]

Answer:

A

Step-by-step explanation:

5 0
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Read 2 more answers
Where y=5x-7 and -3x-2y=-12 Write your answer as x,y
Mariulka [41]

Answer:

(x,y) = (2,3)

Step-by-step explanation:

y=5x-7                  (i)

-3x-2y= -12          

-(3x+2y)= -12

3x+2y= 12            (ii)

By putting the value of y from (i) in (ii)

3x+2(5x-7)=12

3x+10x-14=12

13x=12+14

13x= 26

x = \frac{26}{13}

x= 2

By putting the value of x in (i)

y= 5(2)-7

y= 10-7

y= 3

(x,y) = (2,3)

5 0
3 years ago
Find the area of the rectangle.<br> 36<br> kilometers<br> (x-3) kilometers
Vika [28.1K]

Answer:

36x - 108 kilometers²

Step-by-step explanation:

Area = length x width

36 ( x - 3 ) =

36x - 108

-Chetan K

3 0
3 years ago
Draw the shape described below and find its total surface area.
iogann1982 [59]

Answer:

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Step-by-step explanation:

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