2 years ago

Solve the system of equations 5x + 6y = 26 and -2 + y = -14 by combining the equations.

Mathematics

2 answers:

aniked [119]2 years ago

7 0

Answer:

(19.6,-12)

Step-by-step explanation:

NemiM [27]2 years ago

6 0

Answer:

and y=−12

Step-by-step explanation:

this is what i got

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Describe the graph of 2x + y = 11 and 2x + y = 2. Determine the number of solutions.

Alexandra [31]

Answer:

$\mathrm{No\:Solution}$

Step-by-step explanation:

By using comparing the left hand side of the two given equations we have:

$\begin{bmatrix}2x+y=11\\ 2x+y=2\end{bmatrix}\\\\\begin{bmatrix}11=2\end{bmatrix}\\\\11=2\:\mathrm{\:is\:false,\:therefore\:the\:system\:of\:equations\:has\:no\:solution}$

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3 years ago

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Ludmilka [50]

Answer:

A)200%

B)I dont know sorry

C) 57.14. Not sure tho

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2 years ago

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Korolek [52]

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Step-by-step explanation:

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3 years ago

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HELP!!! THIS IS DUE TODAY! I WILL MARK BRAINLIEST

balandron [24]

Answer:

With replacement

$probability \ of \ spade = \frac{13}{52} = \frac{1}{4} \\\\ probability \ of red\ card = \frac{26}{52} =\frac{1}{2}$

$probability \ of \ spade \ then \ red\ card\ without\ replacement =$ $\frac{1}{4} \times \frac{1}{2} = \frac{1}{8}$

Without replacement

$probability \ of\ spade = \frac{13}{52} = \frac{1}{4} \\\\probability \ of \ spade\ again =\frac{12}{51} = \frac{4}{17}$

$probability \ of \ spade \ then \ red\ card\ without\ replacement = \frac{1}{4} \times\frac{4}{17} =\frac{1}{17}$

7 0

3 years ago

How do i solve this -6n-20=2n+4(1-3n)

Leno4ka [110]

Hi Ivan

-6n - 20 = 2n + 4(1 - 3n)
-6n - 20 = 2n + 4 - 12n
Combine like terms
-6n - 20 = 2n - 12n + 4
-6n - 20 = -10n + 4
-6n + 10n = 4 + 20
4n = 24
n = 24/4
n= 6

I hope that's help! If you have any further questions please let me know !

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3 years ago