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Svetradugi [14.3K]
2 years ago
6

Please help me this is called Writing Equations

Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
6 0
14 CD's! 252 divided by 18 is 14
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paco has 75 minutes before he needs to get ready for baseball practic.he cleans his room for 40 minutes and reads and reads for
fomenos
By the way this problem is worded, he spends 75 minutes reading and cleaning, but there seems to be not enough information because the way it is worded, it means he has 75 minutes until he needs to GET READY, not play in the actual game. (40 + 35 = 75).
3 0
3 years ago
Is 44/37 a rational number
Katena32 [7]

Answer:

no

Step-by-step explanation:

8 0
3 years ago
Find the equation of locus of a point which moves such that its distance from (0,2) is one third distance from (-2,3). ( I WILL
scoray [572]

Answer:

8(x^2+y^2)-4x-30y+23=0

Step-by-step explanation:

<u />

<u>Distance formula</u>

\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Let P(x, y) = any point on the locus

Let A = (0, 2)    

Let B = (-2, 3)

If a point moves such that its distance from (0, 2) is one third distance from (-2, 3):

PA=\dfrac{1}{3}PB

Therefore, using the distance formula:

\implies \sqrt{(x-0)^2+(y-2)^2}=\dfrac{1}{3}\sqrt{(x-(-2))^2+(y-3)^2}

Square both sides:

\implies x^2+(y-2)^2=\dfrac{1}{9}[(x+2)^2+(y-3)^2]

\implies x^2+y^2-4y+4=\dfrac{1}{9}(x^2+4x+4+y^2-6y+9)

Multiply both sides by 9:

\implies 9x^2+9y^2-36y+36=x^2+4x+4+y^2-6y+9

\implies 8x^2+8y^2-4x-30y+23=0

\implies 8(x^2+y^2)-4x-30y+23=0

3 0
2 years ago
Explain how your knowledge of place value helps you divide a number in the thousands by ehole numbers to ten
natali 33 [55]
You can use your knowledge of place value to help you because when dividing in the thousands' place you need to know to where to place the the first number in your <span>quotient.</span>
5 0
3 years ago
Helllllpppppppp plzpzlzpzlz
Komok [63]

Answer:

b

Step-by-step explanation:

my teacher went over the same on with me

5 0
3 years ago
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