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3 years ago

Name the characteristics a shape has to have to be defined as the following:

Mathematics

2 answers:

Vedmedyk [2.9K]3 years ago

7 0

Quadrilateral: 4 sides
Triangle: 3 sides
square: 4 congruent sides and 4 90 degree angles

expeople1 [14]3 years ago

5 0

Quadrilateral:Four sides,four vertices.
Triangle:3 sides,3 vertices.
and a square is a type of quadrilateral whith all the sides having the same lengths.

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Write an expression that represents the products of q and 5 divided by 2

Slav-nsk [51]

Product of q and 5= 5q (Constant is always first, followed by variable)

Product divided by 2= 5q/2 .

∴ Expression= 5q/2

7 0

3 years ago

PLS, I'm begging for help, il give the brainiest to who gives me the right answer! THIS IS 30 POINTS

solniwko [45]

Answer:

Similarity doesn't changes angle measures

∠U = 56°, ∠U' = 3x - 16
∠U = ∠U'

a) 3x - 16 = 56 ⇒ 3x = 72 ⇒ x = 24°

b) ∠T = x + 46 = 24 + 46 = 70°

c) Scale factor:

k = S'T'/ST = 19/57 = 1/3

Find y using known sides and scale factor:

U'V'/UV = 1/3
(y + 4)/63 = 1/3
y + 4 = 21
y = 21 - 4
y = 17

8 0

3 years ago

Given z1 = startroot 2 endroot (cosine (startfraction 3 pi over 4 endfraction) i sine (startfraction 3 pi over 4 endfraction) )

vampirchik [111]

The subtraction of complex numbers $z_{1} -z_{2}$ is cos(π)+i sin(π).

Given $z_{1} =\sqrt{2}$ [cos(3π/4+i sin(3π/4) and $z_{2}$ =cos (π/2) +i sin(π/2)

We have to find the value of $z_{1} -z_{2}$ .

A complex number is a number that includes real number as well as a imaginary unit in which $i^{2} =1$ . It looks like a+ bi.

We have to first solve $z_{1} and z_{2}$ and then we will be able to find the difference.

$z_{1} =$ $\sqrt{2}$ [ cos (3π/4)+i sin (3π/4)]

$=\sqrt{2}$ [cos(π-π/4)+ i sin (π-π/4)]

= $\sqrt{2}$ [-cos(π/4)+sin (π/4)]

= $\sqrt{2}$ (-1/ $\sqrt{2}$ +1/ $\sqrt{2}$ )

= $\sqrt{2} *0$

$z_{2} =$ cos(π/2)+i sin (π/2)

=0+i*1

Now putting the values of $z_{1} and z_{2}$ ,

$z_{1} -z_{2} =0-1$

=-1

=-1+i*0

=cos (π)+i sin(π)

Hence the value of difference between $z_{1} and z_{2}$ is cos(π)+i sin(π).

Learn more about complex numbers at brainly.com/question/10662770

#SPJ4

3 0

2 years ago

What is the slope of the line that passes through the points ( − 1 , − 7 ) (−1,−7) and ( 1 , − 13 ) (1,−13)? Write your answer i

Paraphin [41]

Answer:

$y = -3x -10$

Step-by-step explanation:

Slope-intercept formula: $\frac{y_2-y_2}{x_2-x_1}$

Find slope of (−1, −7) and (1, -13)

$\frac{y_2-y_2}{x_2-x_1}\\\\\\frac{-13-(-7)}{1-(-1)}\\\\\\frac{-6}{2}\\\\\-3$

$y = mx + b$

$y = -3x +b$

$y = -3x +b\\-7 = -3(-1) + b\\-7 = 3 +b\\-3 -3\\-10 = b$

$y = -3x -10$

Hope this helps!

3 0

2 years ago

Paul used 3/4cup of butter in a batch of brownies. He ate 1/6 of the batch of brownies. What fraction of a cup of butter did he

Ronch [10]

The answer is 1/8 cups. you have to take 1/6 of 3/4.

8 0

3 years ago