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AlekseyPX
3 years ago
11

What is the slope in the equation: y= 3/4x - 1

Mathematics
2 answers:
Natalka [10]3 years ago
8 0

Answer:

the slope is 3/4

Step-by-step explanation:

y = mx + b

y = slopex + y intercept

y = 3/4x - 1

slope = 3/4

y intercept = -1

Basile [38]3 years ago
3 0

Answer: the slope is 3/4.

y=mx+b and m is always the slope.

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Calculate the surface area of each solid <br>with explanation ​
juin [17]

Answer:

602.88

Step-by-step explanation:

The two lids

Area = pi * r^2

d = 12

r = d/2

r = 12/2

r = 6 cm

Area = 3.14 * 6^2

Area = 3.14 * 36

Area =  113.04

Both Lids =                                           226.08

Cylinder Body

Circumference =  2*pi*r*h

Circumference = 2*3.14 *6 * 10         <u>   376.8</u>

Total Area =                                         602.88

6 0
3 years ago
In recent years more people have been working past the age of 65. In 2005, 27% of people aged 65–69 worked. A recent report from
Taya2010 [7]

Answer:

a) The point estimate of the proportion of people aged 65–69 who are working is p=0.3 or 30%.

b) We can express this null and alternative hypothesis as:

H_0: \pi=0.27\\H_1:\pi\neq0.27

c) We conclude that there is not enough evidence that the proportion of people aged 65–69 who are working has increased from 2005.

Step-by-step explanation:

a) Develop a point estimate of the proportion of people aged 65–69 who are working

If we take into account the sample taken, the point estimate is

p=\frac{180}{600} =0.3

b) Set up a hypothesis test so that the rejection of h0 will allow you to conclude that theproportion of people aged 65–69 working has increased from 2005

To conclude some claim, we have to reject the null hypothesis. In this case, to claim that the proportion has changed and the mean is no longer 27%, we have to reject the null hypotesis that π=0.27.

We can express this null and alternative hypothesis as:

H_0: \pi=0.27\\H_1:\pi\neq0.27

c) Conduct your hypothesis test using α=0.05. What is your conclusion?

First we calculate the standard deviation, as we will need it to calculate the test statistic:

\sigma=\sqrt{\frac{\pi(1-\pi)}{N} } =\sqrt{\frac{0.27(1-0.27)}{600} }=0.01812

In this case, we have a test statistic of

z=\frac{p-\pi-0.5/N}{\sigma} =\frac{0.3-0.27-0.5/600}{0.01812}=1.61

If we take into account that it is a two-tailed test, P-value for z=1.61 is P=0.1074.

As the P-value is bigger than the significance level, the effect is not statistically significant, so the hypothesis can not be rejected.

We conclude that there is not enough evidence that the proportion of people aged 65–69 who are working has increased from 2005.

8 0
3 years ago
Read 2 more answers
Which are the coordinates of Jefferson High School's Parking Lot B?
lidiya [134]

Answer:

(-3,4)

Step-by-step explanation:

the point is on -3 on the x-axis and 4 on the y-axis

8 0
2 years ago
Please help me with this question , we are now just learning it .
daser333 [38]

Answer:

angle 1=angle 4 ( vertical opposite angle)

3 0
2 years ago
What's 2 and 5/10 in standard decimal form
Evgesh-ka [11]
2 5/10 = 2 1/2 = 2.5
4 0
3 years ago
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