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S_A_V [24]
2 years ago
8

How do I find the image after it’s been rotated 270 degrees about the point (-2,-1)?

Mathematics
1 answer:
White raven [17]2 years ago
7 0

Answer: (-1, 2)

Step-by-step explanation:

<u>It's a counter-clockwise rotation, that means (x, y) changes to (y, -x).</u>

(-2, -1) ⇒ (-1, -(-2)) ⇒ (-1, 2)

<u>If it's a clockwise rotation, then (x, y) will change to (-y, x)</u>

(-2, -1) ⇒ (-(-1), -2) ⇒ (1, -2)

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Allie bought a 5-pound bag of trail mix. She gave 12 ounces of trail mix to Justin. Then she put the rest of the trail mix into
trapecia [35]
To solve this problem, you will first want to convert 5 pounds into ounces. To do this, first determine how many ounces is in 1 pound.

There are 16 ounces in 1 pound, so to convert 5 pounds into ounces, you simply have to multiply 5 × 16. This will give you 80 ounces total.

Allie give 12 ounces away, so you must first subtract 12 ounces from your total (80 ounces). 80 - 12 gives us 68 ounces.

Allie then divides the trail mix up into 4 ounce portions. To figure out how many small bags she can make, you simply divide your new total (68 ounces) by 4. 

68 ÷ 4 = 17

Allie made 17 small bags. 
3 0
3 years ago
Help ASAP Please check to see if I have the last part correct. Thanks
7nadin3 [17]
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3 years ago
Read 2 more answers
If TR=11 ft, find the length of PS
Klio2033 [76]

Answer:

PS = 31.5 ft

Step-by-step explanation:

∠PTS = 180 - 16 = 154°

164°(π/180) = 41π/45 radians

PS = rθ = 11(41π/45) = 31.48573...

5 0
2 years ago
What is the solution to this equation x-16=-8
arsen [322]
X-16=-8
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And solve; your answer will be
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3 0
3 years ago
2x^2+7x=15 write in standard then factor the left side of the equation.
Nataly [62]

Answer:

see explanation

Step-by-step explanation:

Given

2x² + 7x = 15 ( subtract 15 from both sides )

2x² + 7x - 15 = 0 ← in standard form

To factorise the left side

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term

product = 2 × - 15 = - 30 and sum = + 7

The factors are + 10 and - 3

Use these factors to split the x- term

2x² + 10x - 3x - 15 ( factor the first/second and third/fourth terms )

2x(x + 5) - 3(x + 5) ← factor out (x + 5) from each term

(x + 5)(2x - 3) ← in factored form

5 0
3 years ago
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