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Romashka [77]
3 years ago
12

2 Antonio is a set designer. He is gluing ribbon on 4 square and 2 triangular posters to be used as stage props in an upcoming p

lay. Use the system of equations to finds, the amount of ribbon needed for a square poster, and t, the amount of ribbon needed for a triangular poster. Show your work.
s=t+ 5 45 + 2t = 110​
Mathematics
1 answer:
Lana71 [14]3 years ago
8 0

Answer:

89283

Step-by-step explanation:

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Answer:

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6 0
2 years ago
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zimovet [89]

Answer:

16

Step-by-step explanation:

6 0
3 years ago
Here are the prices of five new pairs of hockey skates, in dollars: 59, 60, 65, 99, 175. The standard deviation is about $49. If
Phoenix [80]

Answer:

The standard deviation of the new data will be increased as compared to the previous standard deviation of the data.

Step-by-step explanation:

The prices are given to be : 59, 60, 65, 99, 175

Standard deviation = $49

Now, if we add or subtract any constant value to each of the terms then the standard deviation remains unchanged.

But, we add a new price in the given data that is $450

\text{New standard deviation = }\sqrt{\frac{\sum (\bar{x}-x_i)^2}{n}}\\\\\bar{x}\text{ is the mean of data after adding 450 and}\\x_i\text{ are the price values of the sample data}

Hence, Standard deviation is calculated to be 139.5

Therefore, the standard deviation of the new data will be increased as compared to the previous standard deviation of the data.

6 0
3 years ago
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What is the completely factored form of d4-8d2+16
Cloud [144]
Solution:

1) Rewrite it in the form {a}^{2}-2ab+{b}^{2}, where a={d}^{2} and b=4
{({d}^{2})}^{2}-2({d}^{2})(4)+{4}^{2}

2) Use Square of Difference: {(a-b)}^{2}={a}^{2}-2ab+{b}^{2}
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3) Rewrite {d}^{2}-4​ in the form {a}^{2}-{b}^{2}​​ , where a=d and b=2
{({d}^{2}-{2}^{2})}^{2}
​​
4) Use Difference of Squares: {a}^{2}-{b}^{2}=(a+b)(a-b)
​{((d+2)(d-2))}^{2}

5) Use Multiplication Distributive Property: {(xy)}^{a}={x}^{a}{y}^{a}
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Done!
8 0
3 years ago
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Evaluate the following expressions given the values below.
abruzzese [7]

Answer:

31

Step-by-step explanation:

ab + bc + ac for a = 2, b = 5, and c = 3

(2×5)+(5×3)+(2×3)

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31

4 0
2 years ago
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