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il63 [147K]
1 year ago
15

13. Three friends equally share 12 of a pizza. How much of the pizza does each friend get?

Mathematics
1 answer:
ahrayia [7]1 year ago
5 0
4 slices of pizza. You get this by dividing the total amount of slices but the amount of people.
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You and your friends are going to the movies, and you plan to buy tickets for your friends because there is a discount
LekaFEV [45]

Answer:

y = 9.50 + 6.00n

Step-by-step explanation:

This equation shows that the base rice that you must pay is $9.50 (the cost of your ticket). $6.00n represents the cost of however many additional tickets you purchase for n friends. Say 3 friends decide to come, your n value is 3.

You would need to do the following to determine the price you need to pay for 3 friends:

6.00(3) = 18.00  (this is how much you'd pay for 3 friends)

You must add your ticket price to $18.00 to find y (the total amount you must pay for yourself and your 3 friends). So you must do the following:

y = 9.50 + 6.00(3)

y = 9.50 + 18.00

y = 27.50 (this is the total price you'll pay for everyone attending

Hope this helps :)

4 0
3 years ago
PLS HELP! WILL GIVE BRAINLIEST
Leviafan [203]

Answer:

  • The center (2, 2.5), radius \sqrt{37} / 2

Step-by-step explanation:

<u>The standard form of the equation of a circle is: </u>

  • ( x - h )^2 + ( y - k )^2 = r^2, where ( h, k ) is the center and r is the radius

<u>Rewrite the given equation in the standard form:</u>

  • 2x^2 + 2y^2 - 8x + 10y + 2 = 0
  • x^2 - 4x + y^2 + 5y = -1
  • x^2 - 4x + 2^2 + y^2 + 5y + (5/2)^2 = -1 + 4 + 25/4
  • (x - 2)^2 + (y + 2.5)^2 = 37/4

<u>The center is:</u>

  • (2, 2.5)

<u>And radius is:</u>

  • <u />\sqrt{37} / 2

4 0
3 years ago
Will somebody please assist me what is 7x3x2+5-3=k
Svetllana [295]
In this case just do it left to right, as multiplication comes before addition/subtraction. So 7x3x2+5-3=21x2+5-3=42+5-3=47-3=44=k.
5 0
3 years ago
Read 2 more answers
Can someone help me with these questions and show work please and thank you
attashe74 [19]

Answer:

11. 78

12. 4x² - 3x - 1

Step-by-step explanation:

11. Sum of n whole numbers = ½(n² + n)

Multiply

½*n² + ½*n

= n²/2 + n/2

To find the sum of the first 12 whole number, substitute 12 for n into the equation.

= 12²/2 + 12/2

= 144/2 + 12/2

= 72 + 6

= 78

12. Area of trapezoid = ½(a + b)*h

Where,

a = 5x - 4

b = 3x + 2

h = x + 1

Area = ½(5x - 4 + 3x + 2)*(x + 1)

Area = ½(8x - 2)*(x + 1)

Area = ½[8x(x + 1) -2(x + 1)]

= ½[8x² + 8x - 2x - 2]

Add like terms

= ½(8x² - 6x - 2)

= ½(8x²) - ½(6x) - ½(2)

= 4x² - 3x - 1

6 0
3 years ago
In 6th grade,there are 5 boys for every 4 girls. If there are 198 6th graders, how many boys are there?
s2008m [1.1K]
5:4
5+4=9 
198/9=22
22*5=
110:88
there are 110 boys
4 0
3 years ago
Read 2 more answers
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