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stellarik [79]
3 years ago
5

Mr. Falcone's pizza shop offers three sizes of pizza. The

Mathematics
1 answer:
valina [46]3 years ago
3 0

Answer: I don't know

Step-by-step explanation: I'm sorry

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ASAP answer quickly please
VladimirAG [237]

Answer:

Add 7 black beads

Step-by-step explanation:

Since we can only change the number of black beads, decide how many black beads you will add based on how many white beads there are.

There are three white beads in the picture.

Total beads we will have (<em>b</em> meaning black)     b : 3

                                  Ratio black : white beads 3 : 1

Use the common ratio, which is a number that both sides of the original ratio multiply by to get to the new ratio.

Find common ratio by dividing total by ratio white beads: 3/1 = 3

Multiply ratio black beads by common ratio. 3 X 3 = 9

<u>We need 9 black beads in total</u>.

Check answer

9 : 3     Both sides divisible by 3; reduce ratio

= 3 : 1        Correct ratio

There will be a total of 9 black beads, but we already have 2 black beads:

(9 total) - (2 original) = (7 to add)

Therefore we need to add 7 black beads.

4 0
3 years ago
Which quantity is proportional to 12⁄4?
shutvik [7]

Answer:

3

Step-by-step explanation:

12 / 4 = 3

4 can go into 12 three times, so the fraction 12/4 is equal to 3

8 0
3 years ago
I need these three solved. I have a lot of math to do. the directions say solve each system of equations using substitution. sho
alekssr [168]

Answer:

5.

x + 2(x + 1) = 8 --> x = 2

y = 2 + 1 = 3

7.

3(9 + 2y) + 5y = 20 --> y = -7/11

x = 9 + 2(-7/11) = 85/11

9.

3(-1 - 2y) + 5y = -1 --> y = -2

x = -1 - 2(-2) = 3


6 0
3 years ago
Here is a system of equations.
goblinko [34]

Answer:

It should be "one solution"

Step-by-step explanation:

After graphing the equations, the two lines only intersect at one point which makes it "one solution." Hope this helps.

8 0
2 years ago
Read 2 more answers
Which algebraic expression is equivalent to the expression below 6(2x+5)+4x
Veronika [31]
12x+30+4
12x+34

This is 12x + 34 because when we combine all like terms, we get it.
6 0
2 years ago
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