3 years ago

I have one more tens than ones. The value of my ones digit is 8. What number am i?

1 answer:

ioda3 years ago

4 0

That number is 98. Your Welcome

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faltersainse [42]

Answer:

Option (B)

Step-by-step explanation:

$\begin{bmatrix}5 & 2 & 1\\ 7 & -5 & 2\\ -5 & 3 & 1\end{bmatrix}\times \begin{bmatrix}x\\ y\\ z\end{bmatrix}=\begin{bmatrix}16\\ 3\\ 12\end{bmatrix}$

By applying multiplication property of the matrices,

$\begin{bmatrix}(5x+2y+z)\\ (7x-5y+2z)\\(-5x+3y+z) \end{bmatrix}=\begin{bmatrix}16\\ 3\\ 12\end{bmatrix}$

Therefore, system of equations formed will be,

5x + 2y + z = 16

7x - 5y + 2z = 3

-5x + 3y + z = 12

Option (B) will be the correct option.

3 0

3 years ago

Paraphin [41]

Answer:

60° is answer.it is right.thank you

8 0

3 years ago

AleksandrR [38]

Answer:

a = -10

Step-by-step explanation:

7 0

4 years ago

Roman55 [17]

ANSWER: The number is 10.
Hope this helps!!

I used the variable n as the number we needed to find. The equation was n + 8 + 12 = 3n

6 0

3 years ago

solong [7]

Y=-4x+10

I hope this helped you

6 0

3 years ago