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3 years ago

Hi, hope you are well, please help me on this (:

Mathematics

1 answer:

valina [46]3 years ago

5 0

Answer:

1. True

2. False

3. True

Step-by-step explanation:

1. (x,y) = (3,1). x = 3; y = 1

2. Vertical is y and horizontal is x

3. The origin is (0,0), The only time these two x and y axis intercept.

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On a coordinate plane, point A is at (3, 3) and point B is at (negative 3, 3). Point B is the image of point A when A is rotated

Vladimir [108]

Answer:

Point B must be at the same distance from the the origin as point A.

Step-by-step explanation:

Coordinates of point A = (3, 3)

When point A is rotated 90° counterclockwise around the origin, coordinates of the new point B will be (-3, 3)

Distance from origin to point A = $\sqrt{(3)^{2}+(3)^2}=3\sqrt{2}$

Similarly, distance of point B from the origin = $\sqrt{(3)^{2}+(3)^2}=3\sqrt{2}$

Therefore, distances of both the points from the origin are same.

Point B must be at the same distance from the the origin as point A.

7 0

4 years ago

A parachutist's rate during a free fall reaches 80 meters per second. what is this rate in feet per second? At this rate, how ma

Mekhanik [1.2K]

Answer:

love i hate and i will not pecherate

Step-by-step explanation:

6 0

3 years ago

DETERMINE THE MISSING SIDE

MissTica

Answer:

21 in

Step-by-step explanation:

by the Pythagorean theorem we have

$841=400+x^2\\\\x^2=441\\\\x=21$

notice that the 841 and the 400 don't go squared because they already squared!

8 0

3 years ago

The length of three sides of a triangle are 12, 35 and 37 centimeters. Determine whether the triangle is a right triangle. Show

Aleks04 [339]

Answer:

it is a right triangle

Step-by-step explanation:

confirm if it is a right triangle using Pythagoras theorem

The Pythagoras theorem : a² + b² = c²

where a = length

b = base

c = hypotenuse

12² + 35²

144 + 1225 = 1369

square toot of 1369 is 37

12² + 35² = 37²

6 0

3 years ago

What is the answer to 8x^3+125 by factoring the perfect cube?

expeople1 [14]

Answer:

$\large\boxed{8x^3+125=(2x+5)(4x^2-10x+25)}$

Step-by-step explanation:

$8x^3+125=2^3x^3+5^3=(2x)^3+5^3\\\\\text{use}\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\=(2x+5)((2x)^2-(2x)(5)+5^2)\\\\=(2x+5)(4x^2-10x+25)$

3 0

3 years ago