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sergiy2304 [10]
4 years ago
14

Solve either of the correct equations using any

Mathematics
2 answers:
gregori [183]4 years ago
7 0

Answer: 7 days

Step-by-step explanation: just knows it right :)

cricket20 [7]4 years ago
4 0

Answer: 7

Step-by-step explanation:

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A circular pond is modeled by the equipment x^2+y^2=225. A bridge over the pond is modeled by a segment of the equation x-7y=-75
makkiz [27]
X² + y² = 225
x - 7y = -75

x = 7y - 75

x² + y² = 225
(7y-75)² + y² = 225
(7y - 75)(7y - 75) + y² = 225
49y² - 525y - 525y + 5625 + y² = 225
50y² - 1050y + 5400 = 0
50(y² - 21y + 108) = 0

y² - 21y + 108 ⇒ (y - 12)(y - 9)

x = 7(12) - 75
x = 84 - 75
x = 9       ⇒ (9,12)

x = 7(9) - 75
x = 63 - 75
x = -12 ⇒ (-12,9)

3 0
4 years ago
You go to a restaurant and order a $25 worth of food you leave a 20% tip how much total do you leave including tip
s2008m [1.1K]
You leave a total of $30
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6 0
3 years ago
Read 2 more answers
Let f(x)=x^2+5x-36. Enter the x-intercepts of the quadratic function in the boxes.
Kipish [7]

Answer:

X Intercepts: (4,0) and -9,0

Step-by-step explanation:

8 0
3 years ago
To which subset of real numbers does the number 1/5 belong?
nasty-shy [4]

Answer: Option 'B' and 'C' are correct.

Step-by-step explanation:

Since we know that irrational numbers are those real number which cannot be written in \frac{p}{q} form.

Rational numbers are those real numbers which can be written in \frac{p}{q} form.

Inverse property of multiplication is that property in which we write a number in reciprocal form .

Whole numbers starts from 0 and Natural numbers start from 1 and Integers contain both positive and negative numbers.

Hence, \frac{1}{5} belongs to rational numbers sets and inverse property of multiplication sets.

Therefore, Option 'B' and 'C' are correct.


5 0
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AnnyKZ [126]

Answer:

y=-2x+1

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y=Mx+b is the slope formula. You want to move y over to the other side to get the equation equal to y

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