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3 years ago

How to tell if angles are complementary s

1 answer:

8 0

Complementary triangle angles add up to 90 degrees.
It's easy to remember because the C in complementary is the C in corner, they make a perfect corner.

Supplementary triangle angles add up to 180 degrees.
It's easy to remember because the S is supplementary is the S in straight line, they make a straight line.

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Ben had a coupon for an additional 15% off of the sale price of any intem in a store. He uses his coupon to buy a shirt whose sa

borishaifa [10]

Answer:

Step-by-step explanation:

15% of 20=0.15 x 20=3

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3 years ago

Read 2 more answers

Find parametric equations and symmetric equations for the line of intersection of the given planes. x + y + z = 5, x + z = 0

oee [108]

The next set is the parametric equations of the same line .

x = t, y = 5 and z = -t .

What is the meaning of parametric and non parametric?

The assumptions behind parametric statistics relate to the population's distribution from which the sample was drawn.
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x + y + z = 5, x + z = 0

the line satisfies

x + z = 0 , y = 5

thus

x = t, y = 5 and z = -t .

the first one is technically already the symmetric equations of the line.

thus:

x = -z ; y = 5

the next set is the parametric equations of the same line .

x = t, y = 5 and z = -t .

Learn more about parametric equations

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4 0

1 year ago

Help, I’m stuck. Thank you very much

ZanzabumX [31]

If you notice, the container is really just two circles, with a diameter of 4 each, and a square with sides of 10.5.

now, if we just get the area of each circle, keeping in mind their radius is half of the diameter, namely r = 2, and get the area of the 10.5x10.5 square, sum them up, that'd be the surface area of the container.

$\bf \stackrel{\textit{2 circle's area}}{2(\pi r^2)}~~+~~\stackrel{\textit{area of the square}}{10.5\cdot 10.5}
\\\\\\
\stackrel{\textit{2 circle's area}}{2(\pi 2^2)}~~+~~\stackrel{\textit{area of the square}}{10.5\cdot 10.5}\implies 8\pi + 110.25$

5 0

3 years ago

D-1/2=5/12 what is d??

EleoNora [17]

Answer:

d = $\frac{11}{12}$

Step-by-step explanation:

1) To solve for d, isolate it in the equation. So, to get rid of the $-\frac{1}{2}$ with the d, add $\frac{1}{2}$ to both sides.

$d-\frac{1}{2} = \frac{5}{12} \\d - \frac{1}{2} +\frac{1}{2} = \frac{5}{12} + \frac{6}{12} \\d = \frac{11}{12}$

Thus, d = $\frac{11}{12}$ .

6 0

3 years ago

How would you describe the difference between the graphs of f(x) = x^2 +4 and<br> g(y) - y^2 +4?

s2008m [1.1K]

Answer:

Step-by-step explanation:

The function $f(x)=x^2+4$ is a positive upwards opening parabola with the vertex at (0, 4), whereas

the function $g(y)=y^2+4$ is a positive rightwards opening parabola (sideways parabola) with the vertex at (4, 0). This means that answer to this is that g(y) is reflected over the x axis whereas f(x) is reflected over the y axis.

3 0

3 years ago