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Anika [276]
3 years ago
15

Is y=0.4x proportional or no?

Mathematics
1 answer:
Zarrin [17]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

Is proportional because it has 0,0 so it is proportional (sorry if is not helful this is was my teacher taught me hope it is helpful.

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P = a + b + c<br> P = 14, a = 6, c = 6<br> Solve for b.<br> b=
EastWind [94]

Answer:

b=2

Step-by-step explanation:

14= 6+6 +b

14=12+b--> 2=b

8 0
3 years ago
What is the result of increasing 50 by 30%?
kogti [31]

Answer:

50 increased by 30% is 65

Step-by-step explanation:

'Percent (%)' means 'out of one hundred':

p% = p 'out of one hundred',

p% is read p 'percent',

p% = p/100 = p ÷ 100.

30% = 30/100 = 30 ÷ 100 = 0.3.

100% = 100/100 = 100 ÷ 100 = 1.

Percentage increase = 30% × 50

New value = 50 + Percentage increase

Calculate

New value =

50 + Percentage increase =

50 + (30% × 50) =

50 + 30% × 50 =

(1 + 30%) × 50 =

(100% + 30%) × 50 =

130% × 50 =

130 ÷ 100 × 50 =

130 × 50 ÷ 100 =

6,500 ÷ 100 =

65

Or just find 30% of 50 (15) and add that

8 0
2 years ago
For the inverse variation equation xy = k, what is the constant of variation, k, when x = 7 and y = 3? three-sevenths seven-thir
vova2212 [387]

The value of the constant k when the value of x and y is 7 and 3 respectively in the equation xy=k is 21.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

The value of the constant k when the value of x and y is 7 and 3 respectively in the equation xy=k can be written as,

xy=k\\\\(7) \times (3 ) =k\\\\k= 21

Hence, the value of the constant k when the value of x and y is 7 and 3 respectively in the equation xy=k is 21.

Learn more about Equation:

brainly.com/question/2263981

4 0
2 years ago
Let’s say the area of the map is 21 square inches. You want to make an enlarged map of Central Park to take with you on your jou
poizon [28]

Answer:

You could multiply 21*21=441 if its a square

Step-by-step explanation:

5 0
3 years ago
How to calculate area?​
Ipatiy [6.2K]

Answer:

Do l x w. Length (x) width.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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