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8_murik_8 [283]
3 years ago
13

Frank has devised a formula for his catering business that calculates the number of meatballs he needs to prepare. The formula i

s m=4a +2c, where c= number of children; m= number of meatballs; a= number of adults. Q: How many meat balls are required for a party of 20 adults and 5 children?
Mathematics
2 answers:
Andrew [12]3 years ago
5 0
4*20 is 80. 2*5 is 10.

There would need to be 90 meatballs.
earnstyle [38]3 years ago
5 0

Answer:

90 meatballs.

Step-by-step explanation:

To figure this out, we need to input the values for a and c into the equation.

m=4(20)+2(5). Multiply and you get 80+10. Add them up and you get 90 meatballs.

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The graph of the equation y=x^2-7 is symmetric with respect to which of the following?a.the line y=-x+7b.the y-axis c.the x axis
lys-0071 [83]

Answer:

b

Step-by-step explanation:

since coefficient of x = 0

5 0
3 years ago
Simplify this expression 9xy4x 3x3y​
Alekssandra [29.7K]

Answer:

81 x y^5

Step-by-step explanation:

Simplify the following:

9×3×3 x y^4 y

3×3 = 9:

9×9 x y^4 y

9 x y^4×9 y = 9×9 x y^(4 + 1):

9×9 x y^(4 + 1)

4 + 1 = 5:

9×9 x y^5

9×9 = 81:

Answer: 81 x y^5

7 0
3 years ago
Jacob is a plumber. Due to increased material costs, he puts all his prices up by 7%. He now chargers R320 per hour for her serv
Lorico [155]

Answer:

R290.1

Step-by-step explanation:

Let

x = charge before he put his prices up

New charge = R320

Percentage increase in price = 7%

x + 7% of x = 320

x + 0.07 * x = 320

x + 0.07x = 320

1.07x = 320

x = 320/1.07

x = 299.06542056074

Approximately

x = R290.1

Charge before he put his prices up = R290.1

4 0
3 years ago
How do I find the value of a in 30=5a​
Sav [38]

Answer:

a = 30/5 = 6

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Points A, B, and C are collinear. Point B is between A and C. BC=8x+709. AB=487+5x. AC=91. Find BC.
Zolol [24]

Answer:

<h3>            BC = 29</h3>

Step-by-step explanation:

Point B is between A and C and the points A, B, and C are collinear so:

AB + BC = AC

487 + 5x + 8x + 709 = 91

  13x + 1196 = 91

       - 1196      - 1196

   13x  =  - 1105

     ÷13     ÷13

    x = - 85

BC =  8x + 709 = 8(-85) + 709 = - 680 + 709 = 29

7 0
3 years ago
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