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vagabundo [1.1K]
3 years ago
9

I don't know how to do this

Mathematics
1 answer:
vesna_86 [32]3 years ago
7 0
He could have 30 dimes and 13 quartars
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For the upcoming holiday season, Dorothy wants to mold 20 bars of chocolate into tiny pyramids. Each bar of chocolate contains 6
abruzzese [7]

Answer:

The largest  number of pyramids she can make from 20 bars of chocolate is:

  • <u>A. 180</u>

Step-by-step explanation:

Firstly, you must find the volume of the 20 bars of chocolate, remember that each bar contains 6 cubic inches of chocolate (6 in^3), so:

  • Volume of the bars = 6 in^3 * 20
  • <u>Volume of the bars = 120 in^3</u>

Now, you must find the volume of each pyramid, using the next formula:

  • Volume of a pyramid = 1/3 B * h

Where:

<em>B = area of the square base.</em>

<em>h = height of the pyramid.</em>

How these values are given in the problem, we only replace the values in the formula:

  • Area of a pyramid = 1/3 (1 in^2) * 2 in
  • <u>Area of a pyramid = 2/3 in^3</u>

Finally, we divide the volume of the bars in the volume of each pyramid:

  • Total number of pyramids = 120 in^3 / 2/3 in^3
  • <u>Total number of pyramids = 180</u>
5 0
3 years ago
Place parentheses in these expressions 12×2+2^3;value:120
telo118 [61]

Answer:

12x(2x2^3)=120

Step-by-step explanation:

12x2+2^3=120

(12x2)+2^3=32

12x(2+2^3)=?

12x(2+8)=?

12x10=120

6 0
3 years ago
Anita is years older than Basilio. Three times Anita's age added to six times Basilio's age is 36. 1. Define the variables 2. Cr
Scilla [17]

Answer :Anita's age = 7 years

Basilio's age = 2.5 years

Step 1. Assign variables to Anita's and Basilio's ages.

Anita's age = A

Basilio's age = B

 

Step 2. Use the information given to form two equations.

Anita is 4-1/2 years older than Basilio

A = 4.5 + B

 

Three times Anita's age added to six times Basilio's age is 36

3A + 6B = 36

 

Step 3. Substitute the value of A from first equation in to the second equation and solve for B

3(4.5 + B) + 6B = 36

13.5 + 3B + 6B = 36

13.5 + 9B = 36

9B = 36 - 13.5

9B = 22.5

B = 22.5/9 = 2.5

 

Step 4. Find the value of A

A = 4.5 + 2.5 = 7

 

Answer:

Anita's age = 7 years

Basilio's age = 2.5 years

6 0
2 years ago
Need help ASAP if any can help me that’ll mean a lot I’ll heart your answer :)
Dominik [7]

Answer:

13p+11.75 is no more than 480

Step-by-step explanation:

plz give me brainliest if possible

4 0
2 years ago
Compare the two expressions
Art [367]
Yes, they are equivalent
6+7-5=8. -5+10+3=8
8 0
3 years ago
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