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Dmitry [639]
4 years ago
15

Answer these questions and i’ll give 20 points and brainliest answer!!

Mathematics
1 answer:
Goryan [66]4 years ago
6 0

Answer:

3.  1/2                4.    13/20

Step-by-step explanation:

Those are the only one I know, sorry :/

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It has reflectional symmetry where the line of reflection (mirror line) is horizontal and it cuts through the middle of the letter
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Two factory plants are making tv panels. Plant A produced 2000 fewer panels than Plan B did. Two percent of the panels from Plan
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Plant A produced 15,000 panels.

Step-by-step explanation:

Let plant B produce x panels

Plant A then produced x - 2000 panels

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The two plants together produced 810 defective panels so;

2/100(x - 2000) + 3/100(x) = 810

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James invested $300 in a bank account that earns simple interest. He earns $24 at the end of 12 months. James invests $500 at th
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Answer: $40

Step-by-step explanation:

The key formula to use for this problem is the simple interest formula, which is I=prt ; where I is the interest earned, p is the principal (initial) amount, r is the interest rate, and t is the amount of time that passes.

Since we know that both investments have the same interest rate, we can use the information from the first part of the problem to solve for the interest rate. Using algebra, we can rearrange the simple interest formula to solve for the interest rate:  r=I/pt. We know that our interest earned is $24 and our principal amount is $300. To make things easier, we'll also convert months to years, which is easy to do since we know that 12 months = 1 year. This gives us our value for the amount of time that passes. Now, all we have to do is plug in our values into the rearranged equation above.

We should now have: r=\frac{24}{300*1}=0.08

Now, to find the interest earned from the $500 investment, we just need to plug in our values from the second part of the problem, along with our calculated interest rate of 0.08, into the original formula of I=prt

This should result in I=500*0.08*1=40

Therefore, James will receive $40 on his $500 investment after 12 months.

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