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3 years ago

WANT FREE 20 POINTS + BRAINLIEST? ANSWER THIS GEOMETRY QUESTION CORRECTLY AND I GOT YOU :)

Mathematics

2 answers:

uysha [10]3 years ago

8 0

Answer:

1.x

2.z

3.v

Step-by-step explanation:

just took the test sorry if i'm wrong

Tcecarenko [31]3 years ago

6 0

Answer:

1. The correct option is B.

2. The correct option is D.

3. The correct option is C.

Step-by-step explanation:

Let left plane is plane (1), right plane is plane (2) and horizontal plane is plane (3).

From the given figure it is clear that plane (1) and (3) intersect each other and plane (2) and (3) intersect each other.

Point B lies on the intersection of plane (1) and (3), and line x passes through the point B.

Point A lies on the intersection of plane (2) and (3), and line w passes through the point A.

So, line x and w represent the intersection of two planes. Only line x is available in the options.

Therefore the correct option is B.

Line z is the which intersect plane (1) at point C. So, z is the line that intersects one of the planes.

Therefore the correct option is D.

Line y passes through A and B. Points A and B are point which are lie on the intersection of planes.

The line y has points on three of the planes.

Therefore the correct option is C.

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Jonas needs at least $27 to buy some school supplies. He already has $21. Which graph best represents all the possible dollar am

Ahat [919]

If Jonas has $21, and he needs $27, he is going to have to save $6 or more
Therefore, your answer is 1.

Hint: If it is Greater Than or Less Than, the circle is closed. If it has Greater Than or Equal To or Less Than or Equal To, the Circle is closed.

Hope this Helps!

6 0

4 years ago

Read 2 more answers

Pls help having a hard time understanding I just need the answers

Lisa [10]

Answer:

Step-by-step explanation:

Basically, you can rule out all of the other answers by the following criteria:

A is wrong because any y= equation without an x is just a straight horizontal line

C is wrong because any x= equation is just a vertical line

D is wrong because both lines shown are positive lines, and both equations in answer D are negative

Therefore by process of elimination, the only answer that makes sense is B

4 0

3 years ago

What value of x makes the function {(1,5), (x,8), (-7,9)} a function?

mestny [16]

X can be anything you want as long as it is not 1 or -7. If you have repeated x values with different y values, then it won't be a function.

5 0

4 years ago

Use the drop-down menus to complete the statements below to answer this question: Can you determine whether a system of linear e

Oksanka [162]

The coordinates of a point satisfies the equation of a line if the point lies on the line
If a single point satisfies the equations of two lines, the point is on both lines, so the lines will intersect at that point.
This means that each point where the two lines touch is a solution to the system of equations
This means that if you substitute the x and y values of the point for x and y in the equations, both equations will be true

<h2>Explanation:</h2>

You haven't given any option. However, I have tried to complete this question according to what we know about system of linear equations. Suppose you have the following system of two linear equations in two variables:

$(1) \ y=3+2x \\ \\ (2) \ y=x$

The fist equation is the blue one and the second equation is the red one. Both have been plotted in the first figure below. As you can see, (-3, -3) is the point of intersection and lies on both lines. So this point is a solution of the system of equation and we can also say that it touches both lines. On the other hand, if you substitute the x and y values of the point for x and y in the equations, both equations will be true, that is:

$-3=3+2(-2) \therefore -3=-3 \ True! \\ \\ (2) \ -3=-3 \ True!$

Also, you can have a system with infinitely many solutions as the following:

$(1) \ y+2x=4\\ \\ (2) \ 2y+4x=8$

Here, every point that is solution of the first equation is solution of the second one. That is because both equations are basically the same. If we divide eq (2) by 2, then we get eq (1).

<h2>Learn more:</h2>

System of linear equations in real life problems: brainly.com/question/10412788

#LearnWithBrainly

8 0

3 years ago

Read 2 more answers

Use DeMoivre's Theorem to find (3cis*pi/6)^3

Sonbull [250]

The correct value of (3cis(pi/6))³ is 27i.

<h3>What is Complex Number?</h3>

Complex numbers are numbers that consist of two parts — a real number and an imaginary number. Complex numbers are the building blocks of more intricate math, such as algebra.

Given the complex number in polar coordinate expressed as

z = r(cos∅+isin∅)

zⁿ = {r(cos∅+isin∅)}ⁿ

According to DeMoivre’s Theorem;

zⁿ = rⁿ(cosn∅+isinn∅)

Given the complex number;

(3cis(pi/6))³

= {3(cosπ/6 + isinπ/6)}³

Using DeMoivre’s Theorem;

= 3³(cos3π/6 + isin3π/6)

= 3³(cosπ/2 + isinπ/2)

= 3³(0 + i(1))

= 27i

Thus, the correct value of (3cis(pi/6))³ is 27i.

Learn more about Complex number from:

brainly.com/question/10251853

#SPJ1

7 0

2 years ago