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kari74 [83]
3 years ago
9

What is the y-intercept of the equation of the line that is perpendicular to the line y =3/5x + 10 and passes through the point

(15, –5)? The equation of the line in slope-intercept form is y = -5/3x + .
Mathematics
2 answers:
vladimir1956 [14]3 years ago
4 0
The answe would be y=-5/3x+20
FrozenT [24]3 years ago
3 0

Answer:

Equation of the line in the slope-intercept form will be y=-\frac{5}{3}x+20

Step-by-step explanation:

An equation of the line perpendicular to y=\frac{3}{5}x+10 will be in the form of y = mx + c

Where m = slope of the line

c = y intercept of the line

From the property of the perpendicular line

m_{1}\times m_{2}=-1

where m_{1} and m_{2} are the slopes of the perpendicular lines.

If  m_{1} = \frac{3}{5}

then \frac{3}{5}\times m_{2}=-1

m_{2}=-\frac{5}{3}

So the equation will be y=-\frac{5}{3}x+c

This line passes through the point (15, -5)

(-5)=-\frac{5}{3}(15)+c

-5 = -25 + c

c = 25 - 5

c = 20

Finally the equation will be y=-\frac{5}{3}x+20

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Nine less than the product of a number n and 1/6 is no more than 92
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Answer:

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Step-by-step explanation:

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7 0
2 years ago
A manufacturer of processing chips knows that 2\%2%2, percent of its chips are defective in some way. Suppose an inspector rando
kipiarov [429]

The data in the question seems a bit erroneous. I am writing the correct question below:

A manufacturer of processing chips knows that 2%, percent of its chips are defective in some way. Suppose an inspector randomly selects 4 chips for an inspection. Assuming the chips are independent, what is the probability that at least one of the selected chips is defective? Lets break this problem up into smaller pieces to understand the strategy behind solving it.

Answer:

The probability that at least one of the selected chips is defective is 0.0776.

Step-by-step explanation:

The question states that the probability of defective chips is 2% i.e. 0.02. Let p denote the probability of selecting a defective chip so, p = 0.02

An inspector selects 4 chips, which means n=4 and we need to compute the probability that at least one of the selected chips is defective. Let X be the number of defective chips selected. We need to compute P(X≥1) which means either 1, 2, 3 or 4 chips can be defective.

We will use the binomial distribution formula to solve this problem. The formula is:

<u>P(X=x) = ⁿCₓ pˣ qⁿ⁻ˣ</u>

where n = total no. of trials

          p = probability of success

          x = no. of successful trials

          q = probability of failure = 1-p

we have n=4, p=0.02 and q=1-0.02=0.98.

We need to compute P(X≥1) which is equal to:

P(X≥1) = P(X=1) + P(X=2) + P(X=3) + P(X=4)

A shorter method to do this is to use the total probability theorem:

P(X≥1) = 1 - P(X<1)

          = 1 - P(X=0)

          = 1 - ⁴C₀ (0.02)⁰(0.98)⁴⁻⁰

          = 1 - (0.98)⁴

          = 1 - 0.9224

P(X≥1) = 0.0776

4 0
3 years ago
Help me asap please!!!
Artemon [7]
Well, just by looking at the beginning of the problem, Jamelia had made the common mistake of thinking that 
\sqrt{72} (<span>8.4852...)
</span>is equal to 
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If you want to estimate a square root like 72, simply find squares that would fit around the number you are looking to find, in our case, 72.

So 9*9 is 81, which is too high and 8*8 is 64, which is too low. So you know that somewhere between those numbers is what your root of 72 is!
5 0
3 years ago
Geometry help I don’t get this stuff at all
lina2011 [118]

Answer:

The last option

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3 0
2 years ago
What is the product?(x − 3)(2x2 − 5x + 1)
slavikrds [6]
2x^3-11x^2+16x-3

the answew is above^^^^^^^^^^^^^
3 0
3 years ago
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