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nalin [4]
3 years ago
9

Solve the simultaneous equations 2x - 5y = 9 3x + 4y = 2

Mathematics
2 answers:
natta225 [31]3 years ago
7 0

Answer:

x = 2

y = 1

Step-by-step explanation:

forsale [732]3 years ago
6 0

Answer:

x= 2

y= -1

Step-by-step explanation:

You might be interested in
1. Factor completely: 2a^2 + 6a + 18
USPshnik [31]

Answer:

2(a+3)(a+3)

5(x+1)(x-1)

3t(t-2)(t+8)

n(2+n)(2-n)

Step-by-step explanation:

Factor each expression

2a^2 + 6a + 18

2(a^2 + 3a + 9)

product =9 and sum =6

3 times 3 is 9

3 plus 3 is 6

2(a+3)(a+3)

2. Factor completely: 5x^2 − 5

GCF is 5

5x^2 - 5

5(x^2 - 1)

5(x+1)(x-1)

3. Factor completely: 3t^3 + 18t^2 − 48t

3t^3 + 18t^2 -48t

3t(t^2 + 6t -16)

product is -16 and sum is 6

-2 times 8 = -16

-2+8=6

3t(t^2 + 6t -16)

3t(t-2)(t+8)

4. Factor completely: 4n − n^3

n(4 -n^2)

n(2+n)(2-n)

7 0
3 years ago
What is the sum of 7/13 and 11/26? Please help!!
Helga [31]

Answer:

The sum of 7/13 and 11/26 is 25/26.

Step-by-step explanation:

7/13 + 11/26

The common denominator is 26

7/13 *2/2 +11/26

14/26 + 11/26

25/26

8 0
3 years ago
Find value of x<br> Geometry/algebra
nalin [4]

Answer: The value of x is 22

5x-5=6x-27

5x-6x=-27+5

-x=-22

x=22

Brainliest pwease if I give you the correct answer!~ <3

5 0
3 years ago
A grocer sold 45% of his stock of sugar and the quantity that he sold was 96 kg less than the quantity left how much sugar did h
zmey [24]

Answer:

He sold 960 kg

Step-by-step explanation:

Let the initial stock measure be x kg

So if he sold 45% ; what he sold was;

45/100 * x = 0.45x

So the quantity left would be;

x - 0.45x = 0.55x

So what was left is 96kg more than what was sold

Mathematically, we have this as;

0.55x - 0.45 x = 96

0.1x = 96

x = 96/0.1

x = 960 kg

7 0
3 years ago
What is the solution of the equation 2X = 7? Round your answer to the nearest ten-thousand.
Andru [333]

Answer:

x =2.8074

Step-by-step explanation:

2^x = 7

Take the log of each side

log (2^x) = log (7)

We know  log a^b = b log a

x log 2 = log 7

x = log (7) / log 2

x =2.80735

To the nearest tenth thousandth

x =2.8074

4 0
3 years ago
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