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irina [24]
3 years ago
15

2(3x−5a)+9(2a−7b)+3(5a−2x)=0

Mathematics
1 answer:
alexdok [17]3 years ago
7 0

Answer:

a=63b/23, b=23a/63

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Plz answer this now anyone
vladimir1956 [14]

Answer:

your answer is 5.

Step-by-step explanation:

plz give brainliest

4 0
2 years ago
A 10-foot ladder is leaning against a wall. The bottom of the ladder is 4 feet from the wall as shown in the picture.
Maksim231197 [3]
I believe it is 6ft✨
4 0
3 years ago
Read 2 more answers
Which two whole numbers does 7 1/2 lie between
goldfiish [28.3K]

Hi there! :)

<u>Answer:</u>

7 1/2 lies between the two whole numbers <u>7</u> and <u>8</u>.


Step-by-step explanation:

"<u>Whole numbers</u>" are numbers without fractional or decimal parts and no negatives.

The first whole number <u>BEFORE</u> 7 1/2 is 7.

The first whole number <u>AFTER</u> 7 1/2 is 8.


There you go! I really hope this helped, if there's anything just let me know! :)

4 0
2 years ago
Read 2 more answers
A line has the same slope as the line 3x+9y=5 and passes though the point (-1,2).what is the equation of the line?
MrRissso [65]

Answer:

y = -1/3x + 5/3

Step-by-step explanation:

First solve the equation. Simply put it is y = -1/3x + 5/9.

So, we have our slope which is -1/3. Now just plug it in.

y - y1 = m(x - x1)

y - 2 = -1/3(x - (-1))

Distribute.

y - 2 = -1/3x - 1/3

Add 2 to both sides

you get y=-1/3x + 5/3

6 0
3 years ago
Find the quadratic function y=a(x-h)^2 whose graph passes through the given points. (12,-7) and (9,0)
ryzh [129]

Answer:

y = (-7/3)(x - 9)

Step-by-step explanation:

<em><u>(12, - 7)</u></em>

y = a(x - h)^2

-7 = a(12 - h)^2

- 7 = a(144 - 24x + h^2)

<em><u>(9,0)</u></em>

0 = a(x - h)^2

0 = a(9 - h)^2

0 = a(81 - 18h + h^2)

From (9,0) we can conclude that

a = 0

or

(9 - h)^2 = 0

Let's try the second possibility.

Take the square root of both sides.

9 - h = sqrt(0)

Add h to both sides

9 - h = 0  

h = 9

So now what we have is

y = a(x - 9)

Use the first equation to get a

-7 = a(12 - 9)

-7 = a(3)

-7/3 = a

Answer

y = (-7/3)(x - 9)

6 0
3 years ago
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