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Anastasy [175]
2 years ago
9

Which is the graph of x – y = 1? Image for option 1 Image for option 2 Image for option 3 Image for option 4

Mathematics
2 answers:
mars1129 [50]2 years ago
7 0
That One ..bla bla must be 20 characters long..

dalvyx [7]2 years ago
3 0

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

x-y=1

This is a linear equation

Isolate the variable y

y=x-1

we know that

The slope of the line is positive m=1

The x-intercept is the point (1,0) ----> value of x when the value of y is equal to zero

The y-intercept is the point (0,-1) ----> value of y when the value of x is equal to zero

Plot the intercepts to graph the line

see the attached figure

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Probability.
swat32

Answer: 0.0386

Step-by-step explanation:

Given: The probability hat the frozen chickens contain enough salmonella bacteria to cause illness if improperly cooked : p= 0.30

Sample size : n = 12

Let x = Number of contaminated chickens

Here , two outcomes for any chicken (either contaminated or not) , so it follows binomial distribution.

Binomial probability formula:

P(X=x)  = \ ^nC_x p^x(1-p)^{n-x}

The probability that the consumer will have more than 6 contaminated chickens :-

P(X>6)=P(X=7)+P(X=8)+P(X=9)+P(X=10)+P(X=11)+P(X=12)\\\\=^{12}C_6(0.3)^6(0.7)^6+^{12}C_7(0.3)^7(0.7)^5+^{12}C_8(0.3)^8(0.7)^4+^{12}C_9(0.3)^9(0.7)^3+^{12}C_{10}(0.3)^{10}(0.7)^2+^{12}C_{11}(0.3)^{11}(0.7)^1+^{12}C_0(0.3)^{12}(0.7)^0

=0.03860084306\approx0.0386<em>  (simplified)</em>

<em />

Hence, the required probability = 0.0386

5 0
3 years ago
At top speed, a boat can cover 1,533 kilometers in 3 hours what unit rate does the boat travel during this time frame?
svlad2 [7]
The unit rate that the boat can travel during this time frame is 511 kilometers in 1 hour.

Hope this helped ((:
4 0
3 years ago
0= -115<br> sin=<br> cos =<br> tan
Alina [70]

Answer:

Step-by-step explanation:

Tito wants to buy some peanut butter to donate as much as possible.

There some brands are given with their price.

we will calculate the price of per ounce peanut butter of each brand.

A. Nutty : 12 ounces for $2.19

cost per ounce =

                        = $0.1825 ≈ $0.18 per ounce

B. Grandma's : 18 ounces for $2.79

cost per ounce =

                        = $0.155 ≈ $0.16 per ounce

C. Bee's : 0.28 ounces for $4.69

cost per ounce =

                        = $16.75 per ounce

D. Save-A-Lot : 40 ounces for $6.60

cost per ounce =

                        = $0.165 ≈ $0.17 per ounce

The lowest price is $0.16 per ounce. So he should buy Grandma's peanut butter.

8 0
2 years ago
line L passes through point (2, -5) and is perpendicular to the line with equation y=7. determine the equation of line L
Andrew [12]

Answer:

The equation of the line L is x=2

Step-by-step explanation:

we know that

The line y=7

Is a horizontal line (parallel line to the x-axis)

The slope of a horizontal line is equal to zero

A line L perpendicular to the given line must be a vertical line (parallel to the y-axis)

The slope of the line L is undefined

The line L passes through the point (2,-5)

therefore

The equation of the line L will be equal to the x-coordinate of the given point

x=2

7 0
3 years ago
Can someone help me pls? Thankss:)
zloy xaker [14]

Answer: C

Step-by-step explanation:

8 0
3 years ago
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