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a_sh-v [17]
3 years ago
8

On a scale drawing of a steel I- beam, the height of a beam is 2 1/2

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
5 0

Answer:On a scale drawing of a steel I-beam , the height of the beam is 2 1/2 in. The scale is 1/4 in = 6 feet. What is the actual height of the I-beam. \(12\)

Step-by-step explanation:

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What is the solution to this system of equations? X=12-y 2x+3y=29
Stells [14]
You can use substitution to solve this.
Let's look at the 2nd equation. 2x+3y=29.
In the first equation, we know that x=12-y. So, substitute that in for the 2nd equation. Do that and we have 2(12-y)+3y=29.
Distribute the 2.
24-2y+3y=29.
Combine like terms.
24+1y=29
Subtract the 24, then subtract on the other side of the equation too.
24-24=0, 29-24=5
So now we know that y=5.
Substitute this for the first equation now to find x.
x=12-5
x=7
Final answer: (7,5) or x=7 y=5 
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liberstina [14]

Answer:

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Step-by-step explanation:

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A bakery has fixed costs for retail space, electricity, and appliances of $15,000. The variable cost of baking a cookie is 0.25
den301095 [7]

Answer:

Step-by-step explanation:

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Let the # of cookies baked be z and the number of cakes be k.

Then:

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No cakes or cookies could be good enough to warrant production costs that high!

Double-check to ensure that you have copied this problem down completely and accurately.

6 0
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suter [353]

Answer:

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Step-by-step explanation:

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