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lukranit [14]
3 years ago
9

The following system has a solution of x = -5, y = 9, z = 11.

Mathematics
2 answers:
vitfil [10]3 years ago
7 0

42

Step-by-step explanation:

<em>I added 11+12+10+9=42</em>

Artyom0805 [142]3 years ago
7 0
I think the answer is false Im not completely sure but it seems right
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murzikaleks [220]
When dividing two fractions, invert the second one and multiply the 2 top numbers and the 2 bottom numbers.

3/4 / 1/4 = 3/4 * 4/1 = 12/4 = 3
6 0
3 years ago
What does n equal to in 12n + 9 = 6 - 3n
sveticcg [70]
12n+9=6-3n\ \ \ \ \ \ |Add\ 3n\ to\ each\ side\\\\&#10;15n+9=6\ \ \ \ \ |Subtract\ 9\\\\&#10;15n=-3\ \ \ \ \ |Divide\ by\ -15\\\\&#10;n=-\frac{3}{15}=\boxed{-\frac{1}{5}}
6 0
3 years ago
Bbh. Pls help i am stuck and need it i give 25 pts thanks
mart [117]

Answer:

i think it is ether 18 or 72 i am not 100% shere  let me know if i was right

Step-by-step explanation:

3 0
2 years ago
Ryan earned x number of dollars babysitting his little brother in July. His older
aliya0001 [1]

Answer:

Ryan earned $52 Mike earned $109 and Stormy earned $94

Step-by-step explanation:

x+2×+5+2x-10=255

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5x=260

x=52

6 0
3 years ago
A bag contains 12 pieces of candy. In how many weighs can 4 pieces be selected
igomit [66]

Answer:

495

Step-by-step explanation:

From 12, choose 4:

₁₂C₄ = 12! / (4! (12−4)!)

₁₂C₄ = 12! / (4! 8!)

₁₂C₄ = 495

3 0
3 years ago
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