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3 years ago

WHOEVER GIVES RIGHT ANSWER GET 99 POINTS

Mathematics

2 answers:

Free_Kalibri [48]3 years ago

3 0

The correct answer is

y-4= 5(x--2)

y-4=5(x+2)

y-4= 5x+10

y= 5x+10+4

y=5x+14

Ainat [17]3 years ago

3 0

Answer:

its y+2=2/3(x-3)

Step-by-step explanation:

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I found a place that will give me 20% discount if I spend over $50. My pill is $75 What is my final bill after the savings?

svlad2 [7]

75-20% = 60 hope I helped XD

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3 years ago

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Raju is painting the walls and ceiling of a room with length, breadth and height of the room are 10m, 5m, 2m respectively. From

d1i1m1o1n [39]

Answer:

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Step-by-step explanation:

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Divide the answer by 10meter squared.

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4 years ago

Determine whether or not f is a conservative vector field. if it is, find a function f such that f = ∇f. if it is not, enter non

Leto [7]

The given field is
$f(x,y) = (y \ e^{x} + sin(y) \hat{i} + (e^{x}+x \, cosy) \hat{j}$

Note that if the field is of the form
$\vec{f} = P\hat{i} + Q\hat{j}$
then the condition for the field to be conservative is that
$\frac{\partial P}{\partial y} = \frac{\partial Q}{\partial x}$

For the given field,
$\frac{\partial P}{\partial y} =e^{x} + cos y \\ \frac{\partial Q}{\partial x} = e^{x}+cosy$

Because the condition is satisfied, the given field is conservative.
To find the function that satisfies
$f= \bigtriangledown f$

$f(x,y) = \int P(x,y)dx = ye^{x} + x\, siny + g(y)$
Because $\frac{\partial P}{\partial y} = \frac{\partial Q}{\partial x}$ , therefore
$\frac{\partial f}{\partial y} =e^{x} + x \, siny + g'(y)$
Because $\frac{\partial f}{\partial y} =Q = e^{x} + x \, cosy$
therefore
g'(y) = 0
g = c (constant).

Answer:
(a) The given function is conservative.
(b) The function is
$f(x,y) = ye^{x} + x \, siny + c$
where c = constant.

6 0

4 years ago

What is this I need help

Setler79 [48]

Answer:

B. No solution

Step-by-step explanation:

$2y-7\left(y+8\right)=1-5y\\\\\mathrm{Expand}\:-7\left(y+8\right):\quad -7y-56\\2y-7y-56=1-5y\\\\\mathrm{Add\:similar\:elements:}\:2y-7y=-5y\\-5y-56=1-5y\\\\\mathrm{Add\:}56\mathrm{\:to\:both\:sides}\\-5y-56+56=1-5y+56\\\\Simplify\\-5y=-5y+57\\\\\mathrm{Add\:}5y\mathrm{\:to\:both\:sides}\\-5y+5y=-5y+57+5y\\\\Simplify\\0=57$

4 0

3 years ago

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Why do you divide it

raketka [301]

Answer:Division allows us to divide or 'share' numbers to find an answer. For example, let's consider how we would find the answer to 10 ÷ 2 (ten divided by two). This is the same as 'sharing' 10 sweets between 2 children. Both children must end up with the same number of sweets.

Step-by-step explanation:

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3 years ago