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mihalych1998 [28]
3 years ago
11

Find the slope and y-intercept of y=-5

Mathematics
2 answers:
kicyunya [14]3 years ago
4 0

Answer:

slope = 0

y intercept = -5

Step-by-step explanation:

y= -5  is a horizontal line

horizontal lines have a slope of 0

it crosses the x axis at y=-5


natka813 [3]3 years ago
4 0

Answer:

Slope = 0

y - intercept = -5


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A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 ki
shepuryov [24]

Answer

given,

mean = 12 Kg

standard deviation = 0.5 Kg

assume the observed statistic is = 11.1

 now, \bar{X}=11.1 , \mu = 12 , \sigma = 0.5

assuming the number of sample = 4

n = 4

Hypothesis test:

H₀ : μ≥ 12

Ha : μ < 12

now,

significant level α = 0.05

z* = \dfrac{\bar{X}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

z* = \dfrac{11.1-12}{\dfrac{0.5}{\sqrt{4}}}

     z* = -3.60

Test statistics, Z* = -3.60

P-value

P(Z<-3.60) = 0.002 (from z- table)

P- value = 0.002

now,

reject the value of H₀ when P-value < α

    0.002 < 0.05

since, it is less P-value < α , we have to reject the null hypothesis

5 0
3 years ago
PLEASE HELP?!?!?!
lakkis [162]

Answer:

c. In 2 seconds, the commuter train travels 120 feet.

Step-by-step explanation:

Given

The attached graph

Required

What does x-coordinate of 2 represents

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From the graph:

x = 2 when y = 120

Note that:

x = time and y = distance

So:

(x,y) = (2,120)

Which means:

At 2 seconds, the train has travelled a distance of 120ft

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6 0
3 years ago
How to Factor 4p^2+4p-5
Anarel [89]

4p^2 + 4p - 5

As the expression cannot be factored in it's current form, we need to check if splitting the middle term is possible.

<em><u>List factors of -20.</u></em>

-5 * 4

5 * -4

-10 * 2

10 * -2

-20 * 1

20 * -1

<u>None of the factors added together result in positive 4.</u>

Because splitting the middle term is not possible, and we cannot simplify this expression any further:

This expression cannot be fully factored.


7 0
3 years ago
Help with finding g(f(x))<br> f(x) = x squared - 3x + 2 <br> g(x)= x+2
n200080 [17]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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olganol [36]

Answer:

(x - 2)^2 + (y - 2)^2 = 3

Step-by-step explanation:

The centre point of the circle is the value for x and y

And the radius is the distance from the centre to the circumference.

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