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devlian [24]
2 years ago
5

Find the value of p : /3=4​

Mathematics
1 answer:
LenaWriter [7]2 years ago
3 0

Answer:

I don't understand? there is no number

Step-by-step explanation:

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Sam bought 15 pies and 7 slices of cake for $55.25. If each pie cost 2/5 as much as a slice of cake, what was the total cost of
romanna [79]

Answer: $10.20

Step-by-step explanation:

Let's first collect the information from the word problem.

<h3><em>We are told:</em></h3>
  • Bought 15 pies and 7 cake slices
  • Total cost was $55.22.
  • Pies cost \frac{2}{5} as much as a slice of cake
<h3><em>We need to solve for:</em></h3>
  • Total cost of 1 pie and 2 cake slices

1. Create an equation/expression:

To solve the problem, we need to find the price of a pie and cake slice.

Using the information gathered, the equation is:

    55.25 = 7x+15(\frac{2}{5} x)

<em>x = the cost of the slice of cake.</em>

<em />

2. Simplify/Solve

55.25 = 7x+15(\frac{2}{5}x)\\55.25 = 7x+15*\frac{2}{5}*x\\55.25 = 7x+6x\\55.25 = 13x\\4.25 = x

  • Great! we have the price of a slice of cake. ($4.25)

Remember that the pie is \frac{2}{5} of a slice of cake, so now find the price of the pies.

Pie = \frac{2}{5} 4.25

Pie = $1.70

  • Awesome! We know a slice of cake costs $4.25 and a slice of pie costs $1.70.

3. Check your work!

<em>Check to make sure the math is done correctly!</em>

55.25=7(4.25)+15(1.70) \\55.25=29.75+25.50\\55.25=55.25

Good! It is verified that our calculations are correct.

4. Solve!

1 pie and 2 cakes cost: 1.70+2(4.25)

  • $10.20 is our final answer!

  • Hope this helped!~~ -Astro

7 0
4 years ago
If f(x)= 9x-8 and g(x)=x^3,what is (g o f)(1)?
lesya692 [45]

(f∘g)(3) = f(g(3))


Find g(3) by substituting x=3 in g(x)


g(x)=x²-1

g(3)=3²-1

g(3)=9-1

g(3)=8


f*g(3) = f(g(3)) = f(8)


find f(8) by substituting x=8 in f(x):


f(x)=2x+3

f(8)=2(8)+3

f(8)=16+3

f(8)=19


So f∘g(3) = 19


Sorry I am wrong



4 0
4 years ago
What is 720° converted to radians?
Lilit [14]

Answer:

4π

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The sample space, S, of a coin being tossed three times is shown below, where Hand T denote the coin
Vilka [71]

Answer:

x : 1 | 2 | 3. | 4. | 5. | 6. | 7 | 8 |

p(x) : 1 | 2/3 | 2/3 | 1/3 | 2/3 | 1/3 | 1/3 | 0 |

8 0
4 years ago
Find the next three terms in the sequence.
Lynna [10]
It would be OD because it is going down by 8 each time and you can see that D goes down by 8 each time
5 0
3 years ago
Read 2 more answers
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