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labwork [276]
3 years ago
7

What is the solution to the system of equations? -4y – 3x = -11 x – 2y = 17

Mathematics
1 answer:
LekaFEV [45]3 years ago
4 0

Answer:

Step-by-step explanation:

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Can someone help me with this please
e-lub [12.9K]

Answer: y=-2x+6

Step-by-step explanation:

m=\frac{6-2}{0-2}=\frac{4}{-2}=-2

So y=2x+b. We can substitute (0, 6) to get:

6 = 2(0)+b

b=6.

Meaning y=-2x+6.

8 0
2 years ago
7 divide by k in algebric expression​
Salsk061 [2.6K]

7 devide by k in algebric function = 7/k

4 0
3 years ago
Ryan said that 212.314 73.243 285.557. Is Ryan's answer reasonable?
lord [1]
A.... maybe not sure
7 0
3 years ago
24 is 31.25% of what number? Prove your answer in the show your workbox.
FinnZ [79.3K]

Answer:

76.8

Step-by-step explanation:

1. We assume, that the number 31.25 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 100% equals 31.25, so we can write it down as 100%=31.25.

4. We know, that x% equals 24 of the output value, so we can write it down as x%=24.

5. Now we have two simple equations:

1) 100%=31.25

2) x%=24

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

100%/x%=31.25/24

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 24 is what percent of 31.25

100%/x%=31.25/24

(100/x)*x=(31.25/24)*x       - we multiply both sides of the equation by x

100=1.3020833333333*x       - we divide both sides of the equation by (1.3020833333333) to get x

100/1.3020833333333=x

76.8=x

x=76.8

now we have:

24 is 76.8% of 31.25

6 0
3 years ago
Read 2 more answers
X squared plus 8 squared equals 9<br> What is X?
BabaBlast [244]

Answer:

x = i\sqrt{55} , -i\sqrt{55}

Step-by-step explanation:

x^2 + 8^2 = 9

Simplify the 8^2

x^2 + 64 = 9

Subtract 64 from both sides

x^2 = -55

Take the square root from both sides

x = +/- \sqrt{-55}

Simplify

x = i\sqrt{55} , -i\sqrt{55}

Hope this helps!

4 0
3 years ago
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