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Vesnalui [34]
2 years ago
6

Factorise x+y-ax-ay​

Mathematics
2 answers:
Juliette [100K]2 years ago
8 0

Answer:

Step-by-step explanation:

x+y-ax-ay

by grouping the like terms,

x-ax+y-ay

since x and y are common in all the terms,

=x(1-a) + y(1-a)

= (1-a) ( x+y)

hope this helps

plz mark it as brainliest!!!!!!!!!

mariarad [96]2 years ago
6 0

Answer:

(x + y)1 - a)

Step-by-step explanation:

x + y - ax - ay

= x - ax + y - ay

= x(1 - a) + y(1 - a)

= (x + y)1 - a)

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Answer:

Ooof

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
The square of a number is 12 less then 7 times the number. 2hat is the number
Salsk061 [2.6K]
Hello.

The are answer is 4 or 3 
<span>

3^2 = 7(3) - 12
9 = 21 - 12
9 = 9

</span>4^2 = 7(4) - 12
16 = 28 - 12
16 = 16

Have a nice day
3 0
3 years ago
How do I calculate the surface area of a coca cola bottle?
igor_vitrenko [27]
A Coca-Cola bottle is roughly a cylinder, so you would do the formula below.

5 0
2 years ago
In the figure, VW || YZ. Find the value of x, and the measure of YA and WA.
svetoff [14.1K]

Step-by-step explanation:

because VW || YZ, the 2 triangles are similar.

this is given by the rules of equal angles of intersecting lines with parallel lines. Z to V and Y to W would be such intersecting lines.

and therefore, the angle at W is the angle at Y, the angle at V is the angle at Z. and therefore both angles at A are equal.

so, for similar triangles the scaling factor between corresponding pairs of sides is the same for all sides.

e.g. the same scaling factor that converts 7.2 to 12, converts then also x to x+4.

7.2 × f = 12

f = 12/7.2 = 12/ 72/10 = 120/72 = 10/6 = 5/3

x × 5/3 = x + 4

5x = 3x + 12

2x = 12

x = 6

A to Y = x = 6

W to A = x + 4 = 6 + 4 = 10

5 0
2 years ago
The equation for the cost in dollars of producing automobile tires is c = 0.000015x2 - 0.03x + 35, where x is the number of tire
statuscvo [17]
The cost function is
c = 0.000015x² - 0.03x + 35
where x = number of tires.

To find the value of x that minimizes cost, the derivative of c with respect to x should be zero. Therefore
0.000015*2x - 0.03 = 0
0.00003x = 0.03
x = 1000

Note:
The second derivative of c with respect to x is positive (= 0.00003), so the value for x will yield the minimum value.

The minimum cost is
Cmin = 0.000015*1000² - 0.03*1000 + 35
          = 20

Answer:
Number of tires = 1000
Minimum cost = 20
3 0
3 years ago
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