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Aleks04 [339]
3 years ago
15

Two streets intersect at a 30 degree angle. At the intersection, there are four crosswalks formed that are the same length. what

type of quadrilateral is formed by the crosswalks?
Mathematics
1 answer:
ELEN [110]3 years ago
3 0

Answer:

  rhombus

Step-by-step explanation:

A quadrilateral with equal-length sides is a <em>rhombus</em>.

_____

A square is a special case of a rhombus.

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how many unique triangles can be made where one angle measures 98 degrees and another angle is an obtuse angle
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None because it is impossible for any triangle to have more than one obtuse angle.
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The frequency distribution chart below represents scores from a math quiz.
Inessa05 [86]

The frequency distribution chart of the math quiz has a data that is skewed left.

<h3>How to interpret the shape of the histogram?</h3>

From the complete question (see attachment for histogram), we have the following highlight:

The dataset on the right-hand side is taller than those on the left.

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Hence, the statement that best describes the data is (a) The data is skewed left.

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2 years ago
Simplify the radical
mamaluj [8]

Answer:

9d^3

Step-by-step explanation:

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Helppppppppppppppppppppppppp
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Given the vectors, a=3i+4j, b=-2i+5j, c=10i-j, d=-1/3i+5/2j, find -0.4a-0.3b+0.2d=?
sveta [45]

Answer:

-\frac{2}{3}i - \frac{13}{5}j

Step-by-step explanation:

-0.4(3i + 4i) - 0.3(-2i + 5j) + 0.2(-\frac{1}{3}i + \frac{5}{2}j)

-1.2i - 1.6j + 0.6i - 1.5j - \frac{0.2}{3}i + 0.5j

Converting to fraction form;

-\frac{6}{5}i + \frac{3}{5}i - \frac{1}{15}i - \frac{8}{5}j - \frac{3}{2}j + \frac{1}{2} j

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\frac{-18i + 9i - i}{15} = -\frac{2}{3}i

<u>Solving the j part;</u>

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So -0.4a - o.3b + 0.2d =  -\frac{2}{3}i - \frac{13}{5}j

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