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4 years ago

9

What is the slope of the graph?

2 answers:

Eva8 [605]4 years ago

8 0

The slope of this graph is x+2 because the point starts at (0,2) and goes by 1/1. Remember the formula for finding slope is rise/run. So its 1/1. Got it!

astra-53 [7]4 years ago

4 0

Y=mx+b so the b is for the y intercept which is 2 in this problem

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Which circles have a circumference of 24pi units?

dangina [55]

<span>The answer is C. a circle with a diameter of 12 units. The circumference of the circle with the radius r is: C = 2 r π. We know that circumference is 24π units. So: C = 2rπ and C = 24π units. Therefore: 2rπ = 24π. Divide both sides by π: 2rπ / π = 24π / π. Thus: 2r = 24. r = 24/2. r = 12 units.</span>

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3 years ago

Graph the image of this figure after a dilation with a scale factor of 1/2 centered at the origin.

Nataly_w [17]

Answer:

In stead of 2,2 the point would be 1,1. Instead of -4,4 it would be -2,2 and instead of 6,8 it would be 3,4.

Step-by-step explanation:

4 0

4 years ago

Space shuttle Max is one of the extreme rides in enchanted kingdom. The first of its kind in the country, this roller coaster ri

Nastasia [14]

Answer:

$Acceleration = 33.96ms^{-2}$ <em />

<em />

Step-by-step explanation:

Given

$Mass = 53kg$

$Force = 1800N$

Required

Determine the acceleration

The relationship between force, mass and acceleration is:

$Force = Mass * Acceleration$

Substitute values for Force and Mass

$1800 = 53 * Acceleration$

Solve for Acceleration

$Acceleration = 1800/53$

$Acceleration = 33.9622641509$

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4 0

4 years ago

The water works commission needs to know the mean household usage of water by the residents of a small town in gallons per day.

mote1985 [20]

The confidence interval for the mean usage of water is (18.7,20.5).

Given population standard deviation of 2.4, mean of 19.5 gallons per day and confidence interval of 98%.

We have to find the confidence interval for the mean usage of water.

To find out the confidence interval we have to first find margin of error.

μ=19.5

σ=2.4

α=0.98

α/2=0.49

We have to find the z value for the p value 0.49 which is z=2.33

Margin of error=z*μ/ $\sqrt{n}$

=2.33*19.5/ $\sqrt{3034}$

=0.82

lower level=mean -m

=19.5-0.82

=18.68

after rounding upto 1 decimal

=18.7

upper mean = mean+m

=19.5+0.82

=20.52

Hence the confidence interval for the usage of water is (18.7,20.52).

Learn more about margin of error at brainly.com/question/10218601

#SPJ4

7 0

2 years ago

(x²-1)³ with Identities how much it is and also explain plzzzz

4vir4ik [10]

Answer:

use identity (a - b) ^3 = a^3 - b^3 - 3ab (a - b)

here, a = x ^2

b = -1

= (x^2)^3 - (-1)^3 - 3 * x ^2 * -1 ( x^2 - (-1) )

x^6+ 3 x^2 ( x ^2 + 1)

I think this is the answer

8 0

3 years ago

Read 2 more answers