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3 years ago

Point p was rotated about the origin (0,0) by -15 degrees. Which point is the image of P?

Mathematics

1 answer:

Airida [17]3 years ago

8 0

Answer:

the answer is d.

Step-by-step explanation:

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Help solve with subsitution x+y=1, 2x+3y=-4

Anettt [7]

{ x + y = 1 * ( - 2 )
2 x + 3y = -4

- 2 x - 2 y = - 2
2 x + 3 y = - 4
_______________
y = - 6

Subsititute y = - 6

2 x + 3 y = - 4

2 x + 3 * (-6) = -4

2 x - 18 = - 4

2 x = - 4 + 18

2 x = 14

x = 14 / 2

x = 7

The solution to the system of equations are:

x = 7 and y = - 6

hope this helps!

8 0

3 years ago

Which of the following is the solution to the problem 2/3x = 12

Vikki [24]

$3 \times 2 \div 3 \times = 12 \times 3 \\ 2x = 36 \\ x = 18$

3 0

4 years ago

Read 2 more answers

Use the vertical line test to determine if y is a function of x in the given graph.

abruzzese [7]

Answer:

Yes.

Step-by-step explanation:

Two dots (or segments) on the vertical line would result in the graph not to be a function.

(see picture)

4 0

3 years ago

Read 2 more answers

Beth is solving this equation: 1/x + 3= 3/x

Vitek1552 [10]

Answer:

Step-by-step explanation:

A is the correct answer

7 0

3 years ago

What is the domain of the function y=2√x-6? 88AX<∞ O 0≤x<∞ 3≤x<∞ 6≤x<∞

Travka [436]

Answer:

If the x-6 is all under the sqrt, the last answer is right:

6<= x <= infinity

If only x is under the sqrt and - 6 is NOT under the sqrt, then:

0 <= x <= infinity is the correct answer.

Step-by-step explanation:

You can look at the equation and or graph to determine the domain of a function. The domain is all the x's that may go into the equation or all the x's on the graph of the function. Inside of a squareroot symbol the number inside there must be positive. While considering the equation, only x's that keep that inside positive can be used.

For sqrt(x-6), x has to be 6 or bigger.

For sqrt(x) - 6, x has to be 0 or bigger.

6 0

2 years ago