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FrozenT [24]
3 years ago
8

What is the solution to this system of equations? X + 2y − z = 3 2x − y + 2z = 6 x − 3y + 3z = 4

Mathematics
1 answer:
Tomtit [17]3 years ago
5 0

Answer:

7

Step-by-step explanation:


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You bought a magazine for $5 and some candy bars for $4 each. You spent a total of $29. How many candy bars did you buy?
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3 0
3 years ago
Last month, 17 people showed up to help a local charity. This month, 55 people volunteered. What is the percentage increase?
astra-53 [7]

Step-by-step explanation:

The formula for percent change is

change/original.

So let's subtract 17 from 55 to find the change. 55-17=38

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We're not done yet! We have to move the decimal point over to the right 2 spaces to make it a percentage. So, the percentage increase is

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6 0
3 years ago
Paula has her own business making cakes for
djverab [1.8K]

Answer:

Since Paula has her own business of making cakes for special occasions, and the total price (P) of one of Paula's cakes is represented by the equation P = 0.75S +10, where S is the number of people the cake serves, for determine what does the 0.75 represent in this situation and what does the 10 represent in this equation, the following mathematical reasoning must be carried out:

P is the price of the cake

S is the number of servings

Therefore, 0.75 is the value of each serving, which can be variable (the number of servings can vary)

In turn, 10 is the fixed cost of each cake.

4 0
3 years ago
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