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OlgaM077 [116]
3 years ago
8

Weekly Math #20 answer ​

Mathematics
1 answer:
zmey [24]3 years ago
3 0

Answer:

Could we get the question please?

Step-by-step explanation:

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Dan and Juanita are arguing, again! Dan says the revenue function for the
Gwar [14]

Find

R(V)

  • p(x)×x
  • x(-3/2x+112)
  • -3/2x²+112x

Now

  • y=-3/2x²+112x

Find vertex x coordinate

  • -b/2a
  • -112/-2(-3/2)
  • -37.3

Put in equation

  • y=-3/2(-37.3)²+112(-37.3)
  • y=-2086.9-84+4177.6
  • y=$6264.6
  • y=$62.64M

As a is negative parabola is facing downwards hence vertex is minimum .

So minimum value is $62M which is far more than given .

8 0
1 year ago
Alexandra and her children went into a movie theater and will buy bags of popcorn
MrRissso [65]

Answer:

let number of bags of popcorn = b

let number of drinks = d

at most = maximum

b + d ≤ 12

5 0
2 years ago
A bakery offers a sale price of $3.25 for 4 muffins. What is the price per dozen?
s2008m [1.1K]

Answer:

$9.75

Step-by-step explanation:

To get from 4 to a dozen, you have to multiply by 3.

3.25 x 3 = 9.75

7 0
3 years ago
Read 2 more answers
Solve each system of equations using the substitution method
boyakko [2]

Step-by-step explanation:

y=-3+5x

substitute y into equation 2

3x-8y=24

3x-8(-3+5x)=24

3x+24-40x=24

x=0

y=-3+5(0)

y=-3

(x,y)=(0,3)

7 0
2 years ago
Kelko will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $57 and cost an add
Delicious77 [7]

Questions (contd)

(a) For what amount of driving do the two plans cost the same?

(b) What is the cost when the two plans cost the same?

Answer:

(a) 100 miles

(b) $65

Step-by-step explanation:

Given

Plan 1:

Initial\ Fee = \$57

Additional = \$0.08 per mile

Plan 2:

Initial\ Fee = \$50

Additional = \$0.10 per mile

Solving (a): Number of miles when both plans are equal

Represent the distance with x and the cost with y

So:

Plan 1:

y = 57 + 0.08 * x

Plan 2:

y = 50 + 0.10 * x

To solve (a), we equate both plans together; i.e.

y = y

57 + 0.08x = 50 + 0.10x

Collect Like Terms

0.08x - 0.10x= 50 - 57

-0.02x= -2

Solve for x

x = -2/-0.02

x = 100

Hence, 100 mile would cost both plans the same

Solving (b): Cost when both plans are the same:

In this case, we simply substitute 100 for x in any of the y equation.

y = 57 + 0.08 * x

y = 57 + 0.08 * 100

y = 57 + 8

y = 65

<em>Hence, the amount is $65</em>

7 0
2 years ago
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