2 years ago

- 45 + 9 find the sum

Mathematics

1 answer:

olganol [36]2 years ago

8 0

Answer:

-36

Step-by-step explanation:

Hope this helps!!!

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Whoever answers correctly can have brainliest<br> but answer asap

Valentin [98]

Answer:

3 1/3

Step-by-step explanation:

2 1/2 = 5/2

1 1/3 = 4/3

5/2×4/3

5×4/2×3=

20/6=

10/3 = 3 1/3

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1 year ago

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Use the matrix tool to solve the system of equations. Enter the answer as an

BARSIC [14]

Answer:

$x=\frac{1}{4}$

$y=-2$

Step-by-step explanation:

Given:

$8x + y = 0$

$4x-y=3$

Convert your equation into matrices form

$\begin{bmatrix}8&1&0\\4&-1&3\end{bmatrix}$

Solve using reduced row reduction (RREF)

$\begin{bmatrix}8&1&0\\4&-1&3\end{bmatrix}$

$\begin{bmatrix}8&1&0\\8&-2&6\end{bmatrix}$

$\begin{bmatrix}8&1&0\\0&-3&6\end{bmatrix}$

$\begin{bmatrix}8&1&0\\0&-1&2\end{bmatrix}$

$\begin{bmatrix}8&0&2\\0&-1&2\end{bmatrix}$

$\begin{bmatrix}1&0&\frac{2}{8}\\0&1&-2\end{bmatrix}$

$\begin{bmatrix}1&0&\frac{1}{4}\\0&1&-2\end{bmatrix}$

$x=\frac{1}{4}$

$y=-2$

4 0

2 years ago

One of one hundred equal parts

Step2247 [10]

1/100 as a fraction is what you're looking for, I assume. 1 over 100, one part of one hundred equal parts.

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2 years ago

To find the unknown measure of the fourth angle for 2 sums

Aleonysh [2.5K]

The first one is 90
The second one is 108

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2 years ago

Solve 5x + 2 = 3x -8

qaws [65]

Step-by-step explanation:

5x-3x=-8-2

2x=-10

x=-10/2

x=-5

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2 years ago

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