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2 years ago

Tim x: 3x(x-2) + 2(2-x)=0

Mathematics

1 answer:

olganol [36]2 years ago

6 0

Answer:

Assuming this is the full problem.

3x^2-8x+4

Step-by-step explanation:

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AC has endpoints<br> A(3,7) and C(6,11).<br> Find AB if B is the<br> midpoint of AC.

faltersainse [42]

Answer:

d=2.5

Step-by-step explanation:

first find the coordinate of B(mid point of AC):A(3,7) C(6,11)

d=√(6-3)²+(11-7)²

d=√3²+4²

d=√9+16=√25=5

since B is the mid point : d/2=5/2=2.5

<h2>Another way :</h2>

B(x1+x2/2 , y1+y2/2) , x1=3 , x2=6, y1=7, y2=11

B(9/2,18/2)

B(9/2,9)

Find AB : the length or distance between 2 points:

d=√(x2-x1)²+(y2-y1)²

d=√(3-9/2)²+(7-9)²

d=√(-3/2)²+(-2)²

d=√1.5²+4

d=√6.25

d=2.5

8 0

2 years ago

Solve the exponential equation for x. 256=(1/4)^3r+2

Vitek1552 [10]

Answer:

4^4= 4^-1(3r+2)

4^4= 4^(-3r-2)

-3r-2 = 4

-3r= 6

r= -2

Step-by-step explanation:

3 0

3 years ago

Please help me with question #6!!!

Bumek [7]

Previous balance:

+ $481,47→ 11/30
- $300,00 → 11/02
- $68,99 → 11 / 10
- $45,00 → 11/15
- $72,75 → 11/17
----------------------------
+ $481,47 - $113,26 =
+ $368,21

new balance:

+ $481,47→ 11/30
- $300,00 → 11/02
- $ $\diagup\!\!\!\! 68,\diagup\!\!\!\!99$ → 11 / 10 for -$58,99
- $45,00 → 11/15
- $ $\diagup\!\!\!\! 72,\diagup\!\!\!\!75$ → 11/17 for $ 0
-------------------------------------------------------------------------------------
+ $481,47 - $196,01 =
+$285,46

Answer:
$\boxed{+285,46}$

4 0

2 years ago

I need help ASAP please

grin007 [14]

Answer:

4th one is correct

Step-by-step explanation:

4 0

2 years ago

Hiii can someone pls pls pls help asap

AlekseyPX

Answer:

k = 3.5

Step-by-step explanation:

You need to divide all the numbers.

21/6 = 3.5

24.5/7 = 3.5

28/8 = 3.5

31.5/9 = 3.5

So, the answer is 3.5.

8 0

2 years ago