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larisa [96]
3 years ago
14

There are three balls for 40 cents or six balls for 60 cents. What percent dose he save by buying one set of six ball instead of

two sets of three balls
Mathematics
1 answer:
dsp733 years ago
3 0

Answer:

The persons saves 25% by buying one set of six ball instead of two sets of three balls.

Step-by-step explanation:

Cost of 1 set of three balls = 40 cents

Cost of 2 sets of three balls = 40 cents × 2 = 80 cents

Cost of 1 set of six balls = 60 cents

Percent dose he save by buying one set of six ball instead of two sets of three balls :

=\frac{80 cents-60 cents}{80 cents}\times 100=25\%

The persons saves 25% by buying one set of six ball instead of two sets of three balls.

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Find the value of x<br><br><br><br><br><br><br> ………..
andriy [413]

Answer:

135°

Step-by-step explanation:

In a hexagon, sum of all angles = 720

x + x + x + x + 90 + 90 = 720

4x + 180 = 720

4x = 720 - 180

4x = 540

x = 135°

8 0
2 years ago
What are the solutions of this system of equations?
SpyIntel [72]

Answer:

Option C is correct.

Step-by-step explanation:

y = x^2-x-3     eq(1)

y = -3x + 5      eq(2)

We can solve by substituting the value of y in eq(2) in the eq(1)

-3x+5 = x^2-x-3

x^2-x+3x-3-5=0

x^2+2x-8=0

Now factorizing the above equation

x^2+4x-2x-8=0

x(x+4)-2(x+4)=0

(x-2)(x+4)=0

(x-2)=0 and (x+4)=0

x=2 and x=-4

Now finding the value of y by placing value of x in the above eq(2)

put x =2

y = -3x + 5

y = -3(2) + 5

y = -6+5

y = -1

Now, put x = -4

y = -3x + 5

y = -3(-4) + 5

y = 12+5

y =17

so, when x=2, y =-1 and x=-4 y=17

(2,-1) and (-4,17) is the solution.

So, Option C is correct.

7 0
3 years ago
Read 2 more answers
Can anyone help with the last problem about The Difference Quotient of a Function
Marysya12 [62]

Answer:

tbh i really dont know

Step-by-step explanation:

3 0
2 years ago
Please Help!!!
vaieri [72.5K]

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7 0
3 years ago
edgar divided a five digit number by two digit number there was no remainder what is the least possible quotient of the two numb
scoundrel [369]

Answer:

The least possible quotient is 125.

Step-by-step explanation:

To do this we need to find the greatest 2 digit factor of 10,000.

10,000 = 2*2*2*2*5*5*5*5

So the greatest 2 digit number which will divide exactly into 10,000 is

= 2*2*2*2*5

= 80.

This will give the smallest quotient: 10,000 / 80 = 125.

6 0
3 years ago
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