Which of the following polygons can be constructed using six equilateral triangles? A. Hexagon B. Pentagon C. Square D. Octagon

Mathematics

1 answer:

boyakko [2]4 years ago

4 0

The answer to this is A.

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In a parallelogram whose area is 15, the base is represented by x+7 and the altitude x-7. Find the base of parallelogram.

Sati [7]

Area = (base)*(height)
15 = (x+7)(x-7)
(x+7)(x-7) = 15
x^2 - 49 = 15
x^2 - 49+49 = 15+49
x^2 = 64
sqrt(x^2) = sqrt(64)
x = 8 ... note that x can't be negative

If x = 8, then the base is...
x+7 = 8+7 = 15

Therefore the base is 15 units.
(the height is x-7 = 8-7 = 1 unit)

7 0

3 years ago

There are 115 flowers on 7 trees. What is the unit rate of the flowers per tree? How many flowers on 22 trees?

melamori03 [73]

Answer: 16 flowers per tree, 352 flowers on 22 trees.

Step-by-step explanation:

115 flowers/ 7 trees= 16.4 flowers per tree

Since you can't have partial flowers, round down to 16 flowers per tree.

16 flowers per tree * 22 trees=352 flowers

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3 years ago

What is 3,393 divided by 13

9966 [12]

Answer:

261

I hope this helps!

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3 years ago

Whats the difference 5 2/7 - 3 4/7

umka21 [38]

$5 \frac{2}{7} - 3\frac{4}{7} =\frac{(5\times 7)+2}{7} -\frac{(3\times7)+4}{7} =\frac{37}{7} -\frac{25}{7} -\frac{37-25}{7} =\frac{12}{7}=\boxed{\bf{1\frac{5}{7}}}$

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4 years ago

Part A: A graph passes through the points (0, 2), (1, 3), and (2, 4). Does this graph represent a linear function or a non-linea

olasank [31]

Answer:

Part A: yes, this does represent a linear function. For Part B, an example of a linear function would be y=2x. A non-linear function might be y=2^x.

Step-by-step explanation:

For part A, you can see that the function is linear if you plot the points on a coordinate grid. If you click the file, you can see the function plotted.

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3 years ago