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2 years ago

I need help on the ones I did not do

Mathematics

1 answer:

Brut [27]2 years ago

7 0

Answer:

there is no documenty upload diffrent one

Step-by-step explanation:

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If a half gallon of milk costs $1.24, what is the cost per pint?

snow_tiger [21]

$0.31 for each pint hope this helps

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2 years ago

Please someone help me with this one

cestrela7 [59]

Answer:

Tarquin is correct

Step-by-step explanation:

2(x+6)+2(2x+11)= 2x+12+4x22= 6x+34= 2(3x+17)

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2 years ago

Arlen buys 2 small cups of food for the animals for 5 tokens.Explain how to use a diagram to find how many cups of food Arlen co

Hatshy [7]

5 divided by 20 equals 4 - 2 =2

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2 years ago

F=e−yi−xe−yj is conservative. find a scalar potential f and evaluate the line integral over any smooth path c connecting a(0,0)

Alexxx [7]

If $\mathbf F$ is conservative, then there is a scalar function $f$ such that

$\nabla f(x,y)=\mathbf F(x,y)\iff\dfrac{\partial f}{\partial x}\,\mathbf i+\dfrac{\partial f}{\partial y}\,\mathbf j=e^{-y}\,\mathbf i-xe^{-y}\,\mathbf j$

Setting the first components equal to one another, we can integrate both sides to find

$\dfrac{\partial f}{\partial x}=e^{-y}\implies f(x,y)=xe^{-y}+g(y)$

Differentiating both sides with respect to $y$ gives

$\dfrac{\partial f}{\partial y}=-xe^{-y}+\dfrac{\mathrm dg}{\mathrm dy}=-xe^{-y}$
$\implies\dfrac{\mathrm dg}{\mathrm dy}=0$
$\implies g(y)=C$

so that

$f(x,y)=xe^{-y}+C$

By the fundamental theorem of calculus, we have that

$\displaystyle\int_{\mathcal C}\mathbf F\cdot\mathrm d\mathbf r=\int_{\mathcal C}\nabla f\cdot\mathrm d\mathbf r=f(1,1)-f(0,0)=\frac1e$

4 0

2 years ago

Write an equation in slope-intercept form for the line that satisfies the following condition.

rosijanka [135]

Answer:

y = - x + 69

Step-by-step explanation:

Given the following :

Point on graph : (29, 8)

Equation of line ; y= 5x +17.

From the equation slope of line = 5

Intercept = 17

Slope of perpendicular line = - 1/5 ( negative reciprocal)

Using the equation :

y - y1 = m(x - x1)

From the Point given:

x1 = 29, y1 = 8

y - 8 = (- 1/5)(x - 29)

y - 8 = -1/5x + 29/5

y = -1/5x + 29/5 + 8

Multiply through by 5

y = - x + 29 +40

y = - x + 69

8 0

3 years ago