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jarptica [38.1K]
3 years ago
12

Given points F(3,1), G(5,2) H(2,4), and J(1,6)

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
7 0

The slopes of perpendicular lines are opposite reciprocals

The true statement is that segments FG and HJ are perpendicular

<h3>How to determine the relationship between the segments</h3>

The coordinates of the points are given as:

F = (3,1)

G = (5,2)

H = (2,4)

J = (1,6)

Start by calculating the slopes of FG and HJ using the following slope formula

m = \frac{y_2 -y_1}{x_2 -x_1}

So, we have:

FG = \frac{2 -1}{5 -3}

FG = \frac{1}{2}

Also, we have:

HJ = \frac{6 - 4}{1 - 2}

HJ = \frac{2}{-1}

HJ = -2

To determine the relationship, we make use of the following highlights

  • Parallel lines have the same slope
  • The slopes of perpendicular lines are opposite reciprocals

From the computation above, we have:

  • The slopes of both lines are not equal
  • The slopes are opposite reciprocals i.e. 2 = -1(-1/2)

Hence, segment FG and HJ are perpendicular

Read more about perpendicular lines at:

brainly.com/question/2531713

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By law, an industrial plant can discharge not more than 500 gallons of waste water per hour, on the average, into a neighboring
Alisiya [41]

Answer:

We conclude that not more than 500 gallons of wastewater per hour, on average, is discharged into a neighboring lake.

Step-by-step explanation:

We are given that an industrial plant can discharge not more than 500 gallons of wastewater per hour, on average, into a neighboring lake.

Four one-hour periods are selected randomly over a period of one week. The following are observed:

1384, 683, 1534, 405

Let \mu = <u><em>population average gallons of wastewater discharged per hour</em></u>

So, Null Hypothesis, H_0 : \mu \leq 500 gallons      {means that not more than 500 gallons of wastewater per hour, on the average, is discharged into a neighboring lake}

Alternate Hypothesis, H_A : \mu > 500 gallons     {means that more than 500 gallons of wastewater per hour, on the average, is discharged into a neighboring lake}

The test statistics that will be used here is <u>One-sample t-test statistics</u> because we don't know about population standard deviation;

                                T.S.  =  \frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }  ~ t_n_-_1

where, \bar X = sample mean = \frac{\sum X}{n} = 1001.5 gallons

             s = sample standard deviation = \sqrt{\frac{\sum (X - \bar X)^{2} }{n-1} } = 543.79

             n = sample of periods = 4

So, <u><em>the test statistics</em></u> =  \frac{1001.5-500}{\frac{543.79}{\sqrt{4} } }  ~ t_3

                                    =  1.844

The value of t-test statistics is 1.844.

Since in the question we are not given with the level of significance so we assume it to be 5%. Now, at 0.05 level of significance, the t table gives a critical value of 2.353 at 3 degrees of freedom for the right-tailed test.

Since the value of our test statistics is less than the critical value of z as 1.844 < 2.353, so we have <u><em>insufficient evidence to reject our null hypothesis</em></u> as it will fall in the rejection region.

Therefore, we conclude that not more than 500 gallons of wastewater per hour, on average, is discharged into a neighboring lake.

4 0
3 years ago
57.3 rounded to the nearest
zysi [14]
To the nearest tenth 
8 0
3 years ago
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H = 210 + 33t
NeTakaya

Answer:

it depends on how long she lived there. if she loved there for say 18 years then your question would look like this

Step-by-step explanation:

h = 210 + 33 × 18

18 × 33 = 594

594 + 210 = 804

h = 804

6 0
3 years ago
WILL NAME BRAINLIST!!
Novosadov [1.4K]

Answer:

D

Step-by-step explanation:

The fourth graph makes sense, and follows Deepak's equation. To check if a graph follows an equation, all you have to do is substitute the values of x and y into the equation and see if they follow the equation.

3 0
3 years ago
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————HELPPPPPPP———-
lana66690 [7]

Step-by-step explanation:

given,

measures of 3 angles of triangle,

angle 1 = 3x

angle 2 = 2x + 15°

angle 3 = 3x + 5 °

sum of the angles should be 180°

so,

angle 1 + 2 + 3 = 180°

after inserting the values we got,

3x + 2x + 15 + 3x + 5 = 180°

→ 8x + 20 = 180°

→ 8x = 180 - 20 = 160°

→ x = 160/8 = 2

→ x = 20

therefore,

angle

1 = 3x = 3 × 20 = 60

2 = 2x + 15 = 2(20) + 15 = 55°

3 = 3x + 5 = 3(20) + 5 = 65°

as given,

their sum should be 180° so,

60 + 55 + 65 = 180°

<em><u>hope </u></em><em><u>this </u></em><em><u>answer </u></em><em><u>helps </u></em><em><u>you </u></em><em><u>dear.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

<em><u>I </u></em><em><u>guess </u></em><em><u>dear </u></em><em><u> </u></em><em><u>the </u></em><em><u>measure</u></em><em><u> </u></em><em><u>of </u></em><em><u>the </u></em><em><u>angles </u></em><em><u>of </u></em><em><u>traingle </u></em><em><u>have </u></em><em><u>x </u></em><em><u>in </u></em><em><u>their </u></em><em><u>expression!</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>if </u></em><em><u>they </u></em><em><u>have </u></em><em><u>than </u></em><em><u>this </u></em><em><u>is </u></em><em><u>the </u></em><em><u>answer!</u></em>

8 0
3 years ago
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