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vekshin1
3 years ago
15

What is the solution for this system of equations? y= -1/4x + 6y= x+1​

Mathematics
1 answer:
snow_lady [41]3 years ago
3 0

9514 1404 393

Answer:

  (x, y) = (4, 5)

Step-by-step explanation:

Equating the expressions for y gives ...

  -1/4x +6 = x +1

  5 = 5/4x . . . . . . . add 1/4x-1

  4 = x . . . . . . . . . . multiply by 4/5

  y = x +1 = 4 +1

  y = 5

The solution is (x, y) = (4, 5).

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These two matrices are unable to be added due to dimensional mismatch? True, false, both, unable to answer with the info given
Hoochie [10]

Answer:

false

Step-by-step explanation:

\left[\begin{array}{c}-4\end{array}\right] +\left[\begin{array}{c}7\end{array}\right] =\left[\begin{array}{c}3\end{array}\right]

Both of the matrices are 1 x 1 ("one by one"), so they can be added to produce a 1 x 1 matrix.

To add (or subtract) two matrices, they must be the same size.

(m x n) + (m x n) = (m x n)

m x n  means a matrix has  m  rows and  n  columns.  Dimensions are always named in that order:  rows, then columns.

6 0
3 years ago
What is m D?<br> mZD =<br> PLZZZ help
RUDIKE [14]

Answer:

Angle D is 63

Step-by-step explanation:

oAngle B is congruent and correponding to angle D

Angle B is 63 degrees

so therefore, angle D is also 63 degrees

<em><u>Hope this helped! Have a nice rest of ur day! Plz mark as brainliest!!! :D</u></em>

<em><u>-Lil G</u></em>

4 0
3 years ago
Find the area of the composite figure.
dmitriy555 [2]

Answer:

B. 200.5 \:  {m}^{2}

Step-by-step explanation:

Area of the composite figure = Area of square with side length 12 m + Area of semicircle with radius (12/2= 6) 6 m

=  {(12)}^{2}  + \frac{1}{2}  \pi {r}^{2}  \\  \\  = 144 +  \frac{1}{2} \times  3.14(6)^{2}  \\  \\  = 144 + \frac{1}{2}   \times 3.14 \times 36 \\  \\  = 144 + 56.52 \\  \\  = 200.52 \:  {m}^{2}  \\  \\  \approx \: 200.5 \:  {m}^{2}

5 0
3 years ago
6(h - 6k+7) distributive property​
iVinArrow [24]

Answer: 6h-36k+42

Step-by-step explanation:

6(h - 6k+7)

First, start by doing 6 times h

Then, 6 times -6k

Lastly, 6 times 7.

6h-36k+42 is your answer.

8 0
2 years ago
What is π + π exactly?
yarga [219]
The answer is:  " 2<span>π " .
_____________________________________________</span>
4 0
4 years ago
Read 2 more answers
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