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sattari [20]
3 years ago
14

What value of d will make this system have the same solution? -3x + 7y = -1 dy = 3

Mathematics
1 answer:
Dima020 [189]3 years ago
4 0

The value of d which will.make this system have the same solution is; d = 21/(3x -1)

First, we must make y, the subject of the formula in each case as follows;

  • y = (3x -1)/7. and
  • y = 3/d.

In essence, by equating y to y in both equations; we have;

  • (3x -1)/7 = 3/d

By Cross-product; we have;

  • (3x -1).d = 21

  • d = 21/(3x -1)

Read more on subject of formula;

brainly.com/question/11000305

You might be interested in
How many solutions does the following equation have? −4(x+5)=−4x−20
Nady [450]

Answer:

Infinite Solution!

Step-by-step explanation:

First, We simplify the right side.

Distribute -4, -4x-20=-4x-20

Now we add +4x to both sides, now the equation stands as -20=-20

We know when the solution is same #= same #. We have infinite solution!

7 0
3 years ago
A falcon flew 112 miles in the same time that an eagle flew 56 miles. What is the difference in the distances that the two birds
ella [17]

The difference in the distances that the two birds traveled is 56 miles

To find the difference between the flying the birds had, subtract

112 - 56 = 56 miles

7 0
3 years ago
Solve for x ? 6x-21=5x+17+x
marshall27 [118]

Answer:


Step-by-step explanation:

Statement is not true because

0 is not equal not 38

No x here.

8 0
3 years ago
-5(2b + 7) + b < -b - 11
Stells [14]
<span><span>-5(2b+7) + b < -b - 11</span>
<span>-10b - 35 + b < -b - 11

- 10b + b - 35 < -b - 11

-9b - 35 < -b - 11

- 9b + b < - 11 + 35 

-8b < 24

</span></span>\frac{-8b}{-8} \ \textless \  \frac{24}{-8}
<span><span>
b < -3

Have a nice days.........</span></span>
8 0
3 years ago
How many complex roots does the equation below have?<br><br> x^6+x^3+1=0
gogolik [260]
Here, x⁶ + x³ + 1 = 0
Now, Let, x³ = u
Then, x⁶ = u²

So, u² + u + 1 = 0
We know, b² - 4ac = 1² - 4(1)(1) = 1 - 4 = -3

<span>which is negative u has two complex roots.
So there are two complex values x</span>³.
Again, There are 3 complex cube roots of each of those two complex roots for u. 

In short, Your Answer would be 3*2 = 6 Complex roots

Hope this helps!
4 0
3 years ago
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