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meriva
2 years ago
7

Add.

Mathematics
1 answer:
Viktor [21]2 years ago
4 0
16-3x+4x-2+x^2

14+x+x^2
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you start out driving from your house to an old friends house in a different town, which is 280 miles away. after an hour and a
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You would take 280-105=175 miles away and take 105 and divide that by your time 1.5 too get 70 mph
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3 years ago
What is the percentage of those who try in one year to quit smoking cigarettes on their own actually succeed
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The percent of people of smoke cigarettes is 20.9%..
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3 years ago
-3х + 2y = 56<br> -5x- 2y = 24<br><br> X=<br> Y=
Ket [755]

Answer:

x = -10

y = 13

Step-by-step explanation:

-3x + 2y = 56

-5x - 2y = 24

__________ +

-8x____ = 80

x______= 80/-8

______x = -10

-3x + 2y = 56

-3(-10) + 2y = 56

30 + 2y = 56

2y = 56 - 30

2y = 26

y = 26/2

y = 13

5 0
3 years ago
Eliminate the parameter and obtain the standard form of the rectangular equation. line through (x1, y1) and (x2, y2): x = x1 + t
Helen [10]

The parametric equations for the line passes through the points (X₁ , Y₁) and (X₂ , Y₂) are :

X = X₁ + t (X₂ - X₁) ......................... (1)

Y = Y₁ + t (Y₂ - Y₁) .......................... (2)

For eliminating the parameter (t) , first we will solve any one equation for 't' and then substitute that into another equation.

From the equation (1),

⇒ t = \frac{X- X1}{(X2 - X1)}

Substituting this t = \frac{X- X1}{(X2 - X1)} into the equation (2), we will get :

Y = Y₁ + \frac{(X- X1)}{(X2 - X1)} (Y₂ - Y₁)

Y = Y₁ + \frac{(X- X1)(Y2 - Y1)}{(X2 - X1)}

So, this is the standard form of rectangular equation.

For two given points (0, 0) and (4, -4)

X₁ = 0 , Y₁ = 0, X₂ = 4 and Y₂ = -4

For finding the parametric equations, we will plug these values into the given parametric equations.

X = X₁ + t (X₂ - X₁)

⇒ X = 0+ t (4 - 0)

⇒ X = 4t

and Y = Y₁ + t (Y₂ - Y₁)

⇒ Y = 0+ t (-4 - 0)

⇒ Y = - 4t

So, the parametric equations for the line passing through (0,0) and (4, -4) are: X = 4t and Y = -4t

6 0
3 years ago
If two lines are parallel and cut by a transversal, then the corresponding angles are congruent. What is the converse of this po
FromTheMoon [43]
If two lines are cut by a transversal and the corresponding angles are congruent, then the two lines are parallel.
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