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stepladder [879]
3 years ago
9

What is the slope of the line that is parallel to a line whose equeation is 3y = -4x + 2 ?

Mathematics
2 answers:
Novay_Z [31]3 years ago
8 0
-----------------------
Find Slope :
-----------------------
3y = -4x + 2
y = -4/3x + 2/3

Slope = - 4/3

-----------------------
Answer: -4/3
-----------------------
yawa3891 [41]3 years ago
7 0
You need write the line function's equation this way: y=a.x+b, where "a" is the slope.
Well, if we divide both members by 3, we can see that!
y=-4/3x+2/3
The slope is -4/3.
Good luck!
M.
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What is the order of rotational symmetry for a mombus?<br> 0<br> 1
Elan Coil [88]

Answer: order 2

Step-by-step explanation:

7 0
3 years ago
(Based on Q1 ~ Q3) According to the Bureau of the Census, 18.1% of the U.S. population lives in the Northeast, 21.9% inn the Mid
vekshin1

Answer:

We can therefore conclude that the geographical distribution of hotline callers could be the same as the U.S population distribution.

Step-by-step explanation:

The null Hypothesis: Geographical distribution of hotline callers could be the same as the U.S. population distribution

Alternative hypothesis: Geographical distribution of hotline callers could not be the same as the U.S. population distribution

The populations considered are the Midwest, South, Northeast, and west.

The number of categories, k = 4

Number of recent calls = 200

Let the number of estimated parameters that must be estimated, m = 0

The degree of freedom is given by the formula:

df = k - 1-m

df = 4 -1 - 0 = 3

Let the significance level be, α = 5% = 0.05

For  α = 0.05, and df = 3,

from the chi square distribution table, the critical value = 7.815

<u>Observed and expected frequencies of calls for each of the region:</u>

<u>Northeast</u>

Observed frequency = 39

It contains 18.1% of the US Population

The probability = 0.181

Expected frequency of call = 0.181 * 200 = 36.2

<u>Midwest</u>

Observed frequency = 55

It contains 21.9% of the US Population

The probability = 0.219

Expected frequency of call = 0.219 * 200 =43.8

<u>South</u>

Observed frequency = 60

It contains 36.7% of the US Population

The probability = 0.367

Expected frequency of call = 0.367 * 200 = 73.4

<u>West</u>

Observed frequency = 46

It contains 23.3% of the US Population

The probability = 0.233

Expected frequency of call = 0.233 * 200 = 46

x^{2} = \sum \frac{(O_{i} - E_{i})  ^{2} }{E_{i} } ,   i = 1, 2,.........k

Where O_{i} = observed frequency

E_{i} = Expected frequency

Calculate the test statistic value, x²

x^{2} = \frac{(39 - 36.2)^{2} }{36.2} + \frac{(55 - 43.8)^{2} }{43.8} + \frac{(60 - 73.4)^{2} }{73.4} + \frac{(46 - 46.6)^{2} }{46.6}

x^{2} = 5.535

Since the test statistic value, x²= 5.535 is less than the critical value = 7.815, the null hypothesis will not be rejected, i.e. it will be accepted. We can therefore conclude that the geographical distribution of hotline callers could be the same as the U.S population distribution.  

7 0
3 years ago
The measure of the angle of depression from the top of a 270 m building tweet park bench on the ground is 63° 43’.How far Where
Norma-Jean [14]

Answer:

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Step-by-step explanation:

Given :

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2 years ago
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BlackZzzverrR [31]

Answer: false


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3 0
3 years ago
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Charra [1.4K]

Answer:

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127/999 = 0.127127127

Step-by-step explanation:

divde each fraction

5 0
3 years ago
Read 2 more answers
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