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mars1129 [50]
3 years ago
11

Which of the following numbers is irrational

Mathematics
1 answer:
Irina18 [472]3 years ago
6 0

Answer:

√60 is your right answer

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Temka [501]
I have no idea what you're talking about. Can you explain in detail plz?
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3 years ago
In the isosceles trapezoid ABCD, find the value of x.
Semenov [28]

Answer:

15

Step-by-step explanation:

3x+15=60

3x=45

x=15

6 0
3 years ago
the length of one of the diagonals of a quadrilateral is 10 cm and the particular drawn from the opposite vertices to this diago
loris [4]

Answer:

Therefore the area of the quadrilateral =35 cm²

Step-by-step explanation:

Given, the length of one of diagonal of quadrilateral is 10 cm and perpendicular drawn from the opposite vertices to this diagonal are the length of 2.8 cm and 4.2 cm.

A diagonal divided a quadrilateral into two triangle.

Therefore the area of the quadrilateral

= sum of the area of the triangles

=(\frac{1}{2}\times 10\times 2.8+ \frac{1}{2}\times 10\times 4.2)cm²      [ area of a triangle= \frac{1}{2}\times base\times height]

=35 cm²

3 0
3 years ago
Select all that apply.
fomenos
First, third, fifth, and sixth answer
5 0
2 years ago
Read 2 more answers
What is the slope of a line perpendicular to the following line?<br><br> <img src="https://tex.z-dn.net/?f=-7y%2B%208x%3D9" id="
EleoNora [17]

Answer:

m = -\frac{7}{8}

Step-by-step explanation:

<h3>Finding the slope of the given line </h3>

We need to find the slope of this equation to find the slope of a line perpendicular to it. This means we must solve for y.

Start off by subtracting 8x from both sides of the equation to start isolating the variable y.

-7y=9- 8x

Now solve for y by dividing both sides of the equation by -7.

y=\frac{9-8x}{-7}

This can be broken into two parts by distributing the negative sign from the -7 into the 9 and -8x like so:

y=\frac{-9}{7} +\frac{8x}{7 }

The slope of a line is the coefficient of x, so in this case the slope of the given line (-7y+8x=9) is \frac{8}{7}.

<h3>Finding the slope of a line perpendicular to the given line</h3>

Two lines that are perpendicular would have opposite reciprocal slopes, which means the perpendicular slope would be the negative counterpart and would be flipped.

For example, if you have 2 as the slope of one of the perpendicular lines, the other line would be the opposite (-2) reciprocal (-\frac{1}{2}).

Therefore, since we have the slope of one of the perpendicular lines (the given line), we would find the opposite reciprocal of it's slope to solve this problem.

Slope: \frac{8}{7}

  • Opposite: -\frac{8}{7}
  • Reciprocal: -\frac{7}{8}

The slope of the line perpendicular to -7y+8x=9 is -\frac{7}{8}.

3 0
3 years ago
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