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Ilya [14]
3 years ago
5

Help with math please? Thx

Mathematics
1 answer:
sammy [17]3 years ago
7 0
Looks like the area of each face is already given, so just add up all of the numbers to get 65 cm2
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315 is what percent of 750?
mihalych1998 [28]

Answer:

42

Step-by-step explanation:

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3 0
3 years ago
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A foresting service conducted a survey to see if tree farms that planted hardwood trees were more profitable over a 30-year peri
Advocard [28]

Answer:

The results are statistically significant because planting hardwood trees have a higher profit per acre.

Step-by-step explanation:

From the question above,

It shows that hardwood trees had a 46% higher Profit per acre than softwood trees.

Meaning that for every $100 made on softwood trees, $146 profit would be made on hardwood trees i(including both primary and secondary expenses; making the hardwood trees more profitable.

The information given is enough to reach a conclusion that planting hardwood trees have a higher profit per acre than softwood trees.

8 0
3 years ago
What is the vertex of y=-3x^2+6x+15? Help is much appreciated.
DENIUS [597]

Answer:

<u>(1, 18)</u>

Step-by-step explanation:

Rewrite the equation in vertex form by completing the square for -3x^2 + 6x + 15. This = -3(x - 1)^2 + 18.

Set y equal to the new right side.

y = -3(x - 1)

Use the vertex form, y = a(x - h)^2 + k, to determine the values of a, h, and k.

a = -3

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5 0
3 years ago
Solve for z.<br> 11z + 2z = -13
Ronch [10]

Answer:

z = -1

Step-by-step explanation:

add like terms: 13z = -13

divide both sides by 13: z = -1

3 0
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Rasek [7]

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The blue dot represents the absolute value of the number occupied by red dot.

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