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algol [13]
3 years ago
6

Solve each system by elimination. −5x − 10y = 15 −3x + 10y = 25

Mathematics
2 answers:
yaroslaw [1]3 years ago
7 0

Answer:

\boxed{x = -5~~and~~ y =1}

Step-by-step explanation:

-5x - 10y = 15

<u>-3x + 10y = 25 </u>+

-8x = 40

x = \frac{40}{-8}

x = -5

.

Substitute the value of x to one of equations

-5(-5) - 10y = 15

25 - 10y = 15

-10y = 15 - 25

-10y = -10

y = \frac{-10}{-10}

y = 1

Usimov [2.4K]3 years ago
6 0

Answer:

x = -5 and y = 1

Step-by-step explanation:

use elimination

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An assembly line has two inspectors. The probability that the first inspector will miss a defective item is 0.06. If the defecti
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Answer:

probability that both passes a defective item is  0.8742‬

<h3>Step-by-step explanation:</h3>

probability that the first inspector misses is Pr( 1st misses)= 0.06

therefore the probability he does not miss is

Pr(1st passes)= 1 - Pr( 1st misses) = 1 - 0.06 = 0.94

probability that the second misses is Pr( 2nd misses) = 0.07

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7 0
3 years ago
3. The student council is selling roses to collect funds for a charity. The graph be
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Answer:

Unit = 3

Step-by-step explanation:

Given

See attachment for graph

Required

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(x,y) = (2,6)

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5 0
3 years ago
Find the value of x with the steps
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4 0
3 years ago
The hypotenuse of a right triangle is 50 mm. One leg of the right triangle is 30 mm. What is the length of the other leg?
d1i1m1o1n [39]

Answer:

40 mm

Step-by-step explanation:

It's 40 mm because the Pythagorean Theorem explains a^2 + b^2 = c^2.

This means the unknown number plus 30^2 = 50^2

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6 0
3 years ago
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