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3 years ago

What is the slope of line b

Mathematics

1 answer:

tamaranim1 [39]3 years ago

5 0

Answer:

m-parallel: -2/3

Sorry if I'm wrong though.

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May I know why is the answer 1/2? Any idea Thank you!

ElenaW [278]

let's put value of t in equation.

x = 2√t

x = 2√y

x/2 = √y

(x/2)^2 = y

y = x^2 /4

now let's differentiate it with respect to x.

dy/dx = 2x/4 = x/2

differentiating again wrt to x

d^2y/dx^2 = 1/2

8 0

3 years ago

In the month of September, all of the Kroger grocery stores in Nashville sold 429,382 eggs. In that same month, all of the Kroge

Pavel [41]

Answer:

712436 eggs were sold together

Step-by-step explanation:

429,382 + 283,054 = 712436

5 0

3 years ago

Verify each identity: (tanx+tany)/(1-tanxtany)=(sinxcosy+cosxsiny)/(cosxcosy-sinxsiny),

Lapatulllka [165]

Solution:
(tanx + tany)/(1-tanxtany) is equal to the formula of tan(x+y)
sinxcosy + cosxsiny = is equal to the formula of sin(x+y)formula
cosxcosy - sinxsiny) = is equal to the formula of cos(x+y)

So this means that
tan(x+y) = sin(x+y)/cos(x+y)

8 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Chuge%5Csf%5Cunderline%7BQuestion%7D" id="TexFormula1" title="\huge\sf\underline{Question}"

vekshin1

${\qquad\quad\qquad\huge\underline{{\sf Answer}}}$

Here we go ~

$\qquad \sf \dashrightarrow \: {x}^{2} + \cfrac{1}{ {x}^{2} } = 34$

[ add 2 on both sides ]

$\qquad \sf \dashrightarrow \: {x}^{2} + \cfrac{1}{ {x}^{2} } + 2 = 34 + 2$

[ form identity : a² + b² + 2ab ]

$\qquad \sf \dashrightarrow \: {(x)}^{2} + { \bigg(\cfrac{1}{ {x}^{} } \bigg) }^{2} + 2 \sdot(x) \sdot \bigg(\cfrac{1}{x} \bigg) = 36$

[ a² + b² + 2ab = (a + b)² ]

$\qquad \sf \dashrightarrow \: {\bigg (x + \cfrac{1}{x} \bigg) }^{2} = 36$

$\qquad \sf \dashrightarrow \: {\bigg (x + \cfrac{1}{x} \bigg) }^{} = \sqrt{ 36}$

$\qquad \sf \dashrightarrow \: x + \cfrac{1}{x} = \pm 6$

so, the value of required expression is 6

[usually positive value is considered, but if asked the value can be either positive or negative]

8 0

2 years ago

What is the product of a b and c?

krok68 [10]

Answer:

the answer is 5% interest

Step-by-step explanation:

3 0

3 years ago