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Ierofanga [76]
3 years ago
15

Write an expression equivalent to -9y + 2x + 3 - 7x + 4y.

Mathematics
1 answer:
inessss [21]3 years ago
6 0

Answer:

-5y - 5x + 3    EASY MATH

Step-by-step explanation: Because its just easy

GIVE BRAINLEIST WHEN U CAN PLEASE

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What are the coordinates of point B on \overline{AC} such that AB = 1/2 BC
marta [7]

Answer:

C. B(x,y) = \left(3,-\frac{16}{3} \right)

Step-by-step explanation:

Let A(x,y) = (6,-7), B(x,y) = (x,y) and C(x,y) = (-3,-2). From statement we know that AB = \frac{1}{2}\cdot BC, which is equivalent to the following linear algebraic formula:

B(x,y) -A(x,y) = \frac{1}{2}\cdot [C(x,y)-B(x,y)] (1)

B(x,y)-A(x,y) = \frac{1}{2}\cdot C(x,y)-\frac{1}{2}\cdot B(x,y)

\frac{3}{2}\cdot B(x,y) = \frac{1}{2}\cdot C(x,y)+A(x,y)

B(x,y) = \frac{1}{3}\cdot C(x,y) +\frac{2}{3}\cdot A(x,y) (2)

Then, the coordinates of point B on AC are:

B(x,y) = \frac{1}{3}\cdot (-3,-2)+\frac{2}{3}\cdot (6,-7)

B(x,y) = \left(-1, -\frac{2}{3}\right)+\left(4, -\frac{14}{3} \right)

B(x,y) = \left(3,-\frac{16}{3} \right)

Which means that correct answer is C.

5 0
3 years ago
What can you say about the y-values of the two functions ?
grandymaker [24]
Both exponential i.e 5 ^x
A is true, surprisingly. 
B cannot be true, it alternates.(rule of indices negatives by positive exponent = positive, negative by negative , but -5 x -5 x -5 = + 5)
I'm only imaginging, but C must be right, since it increases exponentially, as opposed to D which only increases quadratically.  


 
8 0
3 years ago
. In the 1980's it was generally believed that congenital abnormalities affected about 5% of the nation's children. Some people
mash [69]

Answer:

the answer is solved in the image below.

Step-by-step explanation:

7 0
3 years ago
Pleasee help i'm having a hard time understanding this
san4es73 [151]

Answer:

\sqrt[3]{12}

and

\sqrt[3]{ \frac{1}{18} }

because

\sqrt[3]{12}  \times  \sqrt[3]{18}  = 6 \\  \\  \sqrt[3]{ \frac{1}{18}  }  \times  \sqrt[3]{18 }  = 1

5 0
2 years ago
Carol wants to find out The favorite foods of students at her Middle School. She asks the boys’ basketball team about their favo
neonofarm [45]
Biased because she only asked the boys basketball team
5 0
3 years ago
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