3 years ago

Please help me with this promblem!

Mathematics

1 answer:

Pepsi [2]3 years ago

8 0

Answer:

The answer is D

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What is the image of the point (3,-8) after a rotation of 90° counterclockwise about the origin?

yuradex [85]

Answer:
(8,3)
Step-by-step explanation:
When we rotate a point 90° counterclockwise around the origin, it's the same as rotating it 270° clockwise around the origin.
When we rotate something 270° clockwise around the origin, the original coordinates (x, y) becomes (-y, x).
y is -3, and -(-3) is just 3, since two negatives make a positive.
x just remains x, but it's in a different position.
This makes the new coordinate .
Hope this helped!

6 0

3 years ago

Solve for x. 82x · 8x = 64 A) x = 0 B) x = 1 C) x = 5/9 D) x = 2/3

lozanna [386]

Answer:

Step-by-step explanation:

5 0

2 years ago

WILL GIVE BRAINLIST

Dennis_Churaev [7]

Answer:

x+14.

Sum of a number and 14 is x+14.

8 0

2 years ago

ANSWER ASAP

Alexxx [7]

Answer:

8589 cubic meters

multiply base times height then divide by 3

7 0

2 years ago

Write the formula for a function d(x) that describes the distance between the point P and a point (x,y) on the line. You final a

vlabodo [156]

Answer:

d(x) = √[(x - 2)² + (3x - 1)²]

Step-by-step explanation:

The distance between two points with coordinates (x₁, y₁) and (x₂, y₂) is given as

d = √[(x₂ - x₁)² + (y₂ - y₁)²]

So, the distance between point (2,0) and a point (x,y)

d = √[(x - 2)² + (y - 0)²]

d = √[(x - 2)² + (y)²]

But the point (x,y) is on the line y = 3x - 1

We can substitute for y in the distance between points equation.

d(x) = √[(x - 2)² + (3x - 1)²]

QED!

6 0

2 years ago