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3 years ago

12

Help pleaseee:)))) If x equals -4, what does -x equal???

1 answer:

Citrus2011 [14]3 years ago

5 0

I would say it equals 4 because if x=-4 than -x should equal 4 i may be wrong though

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In the rectagular prism shown below, GH is parallel to EF. If the equation of GH is 6y-x=2, could the equation of EF be 4=y-1/6x

ASHA 777 [7]

Answer:

Yes

Step-by-step explanation:

Given

GH:

$-6y - x = 2$

Required

Can EF be

$4 = y - \frac{1}{6}x$

First, we determine the slope of GH

$-6y - x = 2$

Solve for 6y

$6y = -x - 2$

Solve for y

$y = -\frac{1}{6}x - \frac{2}{6}$

$y = -\frac{1}{6}x - \frac{1}{3}$

An equation has the form:

$y =mx + b$

Where

$m = slope$

By comparison:

$m = -\frac{1}{6}$

Next, determine the slope of EF

$4 = y - \frac{1}{6}x$

Make y the subject

$y = -\frac{1}{6}x + 4$

The slope is:

$m = -\frac{1}{6}$

Compare the slopes of both lines.

$m=m = -\frac{1}{6}$

Since they have the same slopes, then the equation of EF is possible

4 0

3 years ago

The data below shows the duration of eruption (in seconds) of a geyser in a national park and the height (in feet) of the erupti

amid [387]

Answer:

ŷ = -0.08522X + 157.7779

The slope = - 0.1

Intercept = 157.8

Step-by-step explanation:

Given the data :

Duration __ Height

240 140

237 154

122 140

267 140

113 160

258 140

232 150

105 150

186 160

248 155

243 125

241 136

214 140

114 155

272 130

227 125

237 125

238 139

203 125

270 140

218 140

226 135

250 141

245 140

120 139

267 110

103 140

270 135

241 140

239 135

General regression equation :

y = mx + c

Where

y = predicted variable

x = predictor / explanatory variable

m = slope or gradient

c = Intercept

The regression equation obtained ;

ŷ = -0.08522X + 157.7779

To one decimal place :

ŷ = -0.1X + 157.8

The slope = - 0.1

Intercept = 157.8

8 0

3 years ago

PLZ HELP IM BEING TIMEDDD!!!!!

Juli2301 [7.4K]

Answer:

its b.

Step-by-step explanation:

also youre gonna get banned lol

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Give tha nswer marked X. give reasons for your answer .... please help me !!

Semmy [17]

Answer:

wdadadsad

Step-by-step explanation:

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The relationship between the number of pounds (lb) of cereal and the price in dollars is shown in the graph. What is the unit pr

alexgriva [62]

Answer:

D

trust me I got it right

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3 years ago