2 years ago

The price of 2 dozen cobs of corn (which is 24 cobs) is $7.20. Joanna want to buy just 3 cobs of corn. How much will she pay?

Mathematics

1 answer:

Svetradugi [14.3K]2 years ago

4 0

Answer:

21.6

Step-by-step explanation:

7.20 x 3 =21.6

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What is a solution?What was the solution to this equation?how many solutions did the equation have?

Korolek [52]

We have

$3x+7=11x+15$

We subtract 11x on both sides and 7 on both sides

$3x-11x+7-7=11x-11x+15-7$

we sum like terms

$\begin{gathered} 3x-11x=15-7 \\ -8x=8 \\ \end{gathered}$

Then we isolate the x

$x=-\frac{8}{8}=-1$

ANSWER

x=-1

The equation only have one solution

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Katarina [22]

Answer:
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Step by step:

150% • x = 216

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Can anyone please help me with this question?

adelina 88 [10]

Answer:

15 cm

Step-by-step explanation:

A= base x height

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2 years ago

How to find a and b in the equation below.<br> 3(a+b)=28

Anuta_ua [19.1K]

Answer:

a equals and b equals 7

Step-by-step explanation

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subtract b from both sides getting a=(28/3)-b

to solve for b its the same way so b=(28/3)-a

you can then substitute

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2 years ago