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3 years ago

Explain how solving -7y > 161 is different from solving 7y > -161.

Mathematics

1 answer:

belka [17]3 years ago

8 0

Answer:

what the person above me said is correct :)

Step-by-step explanation:

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Find the mean absolute deviation of the data below:<br><br> 7,4,7,7,2,10,12,8,7,5

Virty [35]

Answer:

1.9

Step by step answer

step1 finding the mean

(7+4+7+7+2+10+12+8+7+5)/10 = 6.9

step2 Difference between each data

Difference between 7 and 6.9 is 0.1

Difference between 4 and 6.9 is 2.9

Difference between 7 and 6.9 is 0.1

Difference between 2 and 6.9 is 4.9

Difference between 10 and 6.9 is 3.1

Difference between 12 and 6.9 is 5.1

Difference between 8 and 6.9 is 1.1

Difference between 7 and 6.9 is 0.1

Difference between 5 and 6.9 is 1.9

step3 add all the Difference

0.1 + 2.9+0.1+0.1+4.9+3.1+5.1+1.1+1.9 = 19.4

step4 divde it by n

19.4/10 = 1.9

so the answer is 1.9

5 0

2 years ago

Evaluate the integral f*dr where f(x,y)=<-y,x^2> and c consists of te arc of the parabola y=2x^2 from (-1,2) to (1,2)

d1i1m1o1n [39]

$y=2x^2\implies\mathbf r(x)=\langle x,2x^2\rangle$

$\displaystyle\int_C\mathbf F\cdot\mathrm d\mathbf r=\int_{t=-1}^{t=1}\langle-2x^2,x^2\rangle\cdot\langle1,4x\rangle\,\mathrm dx$
$=\displaystyle\int_{-1}^1(8x^3-2x^2)\,\mathrm dx$
$=-\dfrac43$

3 0

3 years ago

Tim has a cat that cost $25, which is 20% more

Iteru [2.4K]

$[Hello,BrainlyUser]$

Answer:

$20

Step-by-step explanation:

20% More = Markup

20% = .20

$25 * .20 = 5 ( Markup Price)

$25 - 5 = $20

Hence, last month the cost of the cat was $20.

[CloudBreeze]

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3 years ago

Please round any decimal answers to one decimal place!!

disa [49]

Answer:

1) 11.9

2) 3.6

3) 18.9

4) 45.4

Step-by-step explanation:

Math

6 0

3 years ago

Point (10,2) perpendicular to y = 4x + 6

PIT_PIT [208]

I hope this helps you

4 0

3 years ago