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swat32
3 years ago
6

1 meter of ribbon costs $3 how much do you pay for 2 3/4 If correct I will brainest u

Mathematics
1 answer:
defon3 years ago
6 0

Answer:

You pay $8 \frac{1}{4} for 2 \frac{3}{4} meters of ribbon

Step-by-step explanation:

Let us solve the question

∵ 1 meter of ribbon costs $3

∵ We need to find the cost of 2 \frac{3}{4} meters

→ Separate the length of the ribbon to a whole number and a fraction

∵ The length of the ribbon = 2 m + \frac{3}{4} m

→ Multiply each part by the cost of 1 meter

∵ The cost of 1 meter = 3 dollars

∴ The cost of the ribbon = 3 × 2 + 3 × \frac{3}{4}

∴ The cost of the ribbon = 6 + \frac{9}{4} dollars

→ Change the improper fraction \frac{9}{4} to a mixed number

∵ 9 ÷ 4 = 2 \frac{1}{4}

∴ The cost of the ribbon = 6 + 2 + \frac{1}{4}

∴ The cost of the ribbon = 8 + \frac{1}{4}

∴ The cost of the ribbon = 8 \frac{1}{4} dollars

∴ You pay $8 \frac{1}{4} for 2 \frac{3}{4} meters of ribbon

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Suppose the firm in this example considers a second product that has a unit profit of $5 and requires 2 hours of production time
user100 [1]

The question is incomplete, here is the complete question

Recall the production model from Section 1.3:

Max 10x

s.t. 5x ≤ 40

x ≥ 0

Suppose the firm in this example considers a second product that has a unit profit of $5 and requires 2 hours for each unit produced. Assume total production capacity remains 40 units. Use y as the number of units of product 2 produced. . Show the mathematical model when both products are considered simultaneously.

Answer:

Max Profit: 10x + 5y

5x + 2y ≤ 40

x ≥ 0, y ≥ 0

Explanation:

x= number of units of product 1 produced

y = number of units of product 2 produced

Since the first product, x, has a unit profit of $10 and Max1 is 10x

Second product, y, has a unit profit of $5, Max2 = 5y

The maximum profit when both products are considered simultaneously is 10x + 5y

Max Profit = 10x + 5y

Time required for each unit of x is 5hours

Therefore, time required for x units is 5x hours

Time required for each unit of y is 2hours  

Therefore, time required for y units is 2y hours

Time required for the simultaneous production of both products is 5x + 2y

Since production capacity remains 40 units, 5x+2y ≤40

NB: The values of x and y cannot be negative  

5 0
3 years ago
Describe in words how you would solve<br><br>the linear system y = 3x + 1 and y = - 2x + 3.
disa [49]

Answer:

Below.

Step-by-step explanation:

As both the right sides of the 2 equations are equal to y, by the transitive law of equality 3x + 1 = -2x + 3.

W then solve this equation for x then substitute this value of x  in the first equation ( y = 3x + 1) to find the value of y.  

3 0
3 years ago
What does x equal help please
DaniilM [7]

Step-by-step explanation:

angle HIJ=107°

angle IDJ=31°

now,

angle HIJ+angle JID=180°{ being straight angle}

107+angle JID=180°

angle JID=180°-107=73°

again,

angle JID+angleIDJ+angleDJI=180°{ sum of angle of triangle}

73°+31°+angleDJI=180°

angle DJI=180°-1104°=76°

hence,

angleAJF=angleDJI{ vertically opposite angle}

x=76°

hope it helps.

3 0
3 years ago
Mike has 34 of a pound of ham. He wants to make 8 sandwiches. If he uses the ham equally, how much ham will be on each sandwich?
jekas [21]
34÷8= 4.25 pounds of ham
7 0
3 years ago
I'm not sure how to do this.
Mila [183]
Your answer would be 24 zeros. The 24 above the 10 represents how many zeros will be in the standard notation form. 
5 0
4 years ago
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