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3 years ago

Which point is on the circle described by (x - 2)2 + (y + 3)2 = 4?

Mathematics

1 answer:

grandymaker [24]3 years ago

4 0

Please use " ^ " to denote exponentiation:

(x - 2)^2 + (y + 3)^2 = 4

Test each point, one by one,to determine which coordinates satisfy the equation. For example, (0,0) results in (0-2)^2 + (0+3)^2 = 4, which in turn is 4 + 9, which does NOT equal 4. Reject (0,0). Move on to testing the other 3 points.

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Brainliest + Points! Please show your work so I can understand this problem!

Gnom [1K]

Answer:

Original Value: 30,000

After Year 1: 22,500

After Year 2: 15,000

After Year 3: 7,500

After Year 4: 0

Answer: A (The value drops $7,500 every year).

Step-by-step explanation:

8 0

3 years ago

The sum of the measures of two of the angles formed by the intersection of two lines is 114°. Find the measures of all angles. I

JulijaS [17]

Answer:

Measures of all angles are 57°, 57°, 123°, 123°

Step-by-step explanation:

Given:

Sum of two angles = 114°

Find:

Measures of all angles

Computation:

Sum of all 4 angles = 360°

Sum of remain 2 angles = 360° - 114°

Sum of remain 2 angles = 246°

So, first two angles = 114° / 2 = 57°

Second two angles = 246° / 2 = 123°

So, measures of all angles are 57°, 57°, 123°, 123°

4 0

3 years ago

Sonya has 12 cup box of ceral she wants to pour the cereal into small 1/4 cup snake how many bags of cereal will she have

malfutka [58]

Answer:

a - 48

Step-by-step explanation:

12 cups are divided into 1/4 cup bags.

Converting 12 into a fraction, you get:

12/1 divided by 1/4.

When we divide fractions, we flip the second fraction and change the operation to multiplication.

12/1 * 4/1.

Since 12/1 and 4/1 are now just whole numbers, (12 and 4), we can multiply them together.

12 * 4 = 48.

4 0

3 years ago

Solve A = 1/2bh for h

vitfil [10]

Answer:

2A /b = h

Step-by-step explanation:

A = 1/2 bh

Multiply each side by 2

2A = 2*1/2 bh

2A = bh

Divide each side by b

2A/b = bh/b

2A /b = h

5 0

3 years ago

Jackson mom limits the amout of time he is allowed to play video games . After jackson play for 9 .Inutes , his mom tells him th

vaieri [72.5K]

If we know that 30% of the time is used after 9 minutes we can write this mathematically as:

$0.30x = 9$
By solving for x we can determine the total time allowed to play games and so:

$x = \frac{9}{0.30} = 30$
The total time allowed to play games is 30 minutes. Since 9 minutes have lapsed 30-9=21 minutes left to play.

5 0

3 years ago