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Murrr4er [49]
2 years ago
7

2x − y = 11 x + 3y = −5 what is the x value

Mathematics
1 answer:
nekit [7.7K]2 years ago
7 0

your answer is

{x,y}={4,-3}

btw can i have brainliest

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-2/3*3/5+5/2-3/5*1/6​
Kipish [7]

Answer:

2and19/90

Step-by-step explanation:

-2/3*3/5= _2/5

-2/5+5/2-(2/3×1/6)

-2/5+5/2-1/9

21/10-1/9

=199/90

=2/19/90

3 0
3 years ago
Write the equation of the line fully simplified slope-intercept form. ​
Vladimir [108]
Y=-2/3x-5
i think is the answer
4 0
3 years ago
The longest and shortest sides of a right triangle measure  39 centimeters and  15 centimeters , respectively what
Dmitrij [34]
Answer: 36 cm


Explanation: Use Pythagorean Theorem to solve the question: a^2+b^2=c^2
3 0
3 years ago
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Anna007 [38]

Answer:

d

Step-by-step explanation:

3 0
2 years ago
On a particular production line, the likelihood that a light bulb is defective is 10%. seven light bulbs are randomly selected.
amid [387]

Answer:

0.9995

Step-by-step explanation:

10% = 0.10

1 - 0.10 = 0.9

n = number of light bulbs = 7

we calculate this using binomial distribution.

p(x) = nCx × p^x(1-p)^n-x

our question says at most 4 is defective

= (7C0 × 0.1⁰ × 0.9⁷) + (7C1 × 0.1¹ × 0.9⁶) + (7C2 × 0.1² × 0.9⁵) + (7C3 × 0.1³ × 0.9⁴) + (7C4 × 0.1⁴ × 0.9³)

= 0.478 + 0.372 + 0.1239 + 0.023 + 0.0026

= 0.9995

we have 0.9995 probability that at most 4 light bulbs are defective.

6 0
3 years ago
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