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3 years ago

PLS HELP answer equation to right

Mathematics

1 answer:

nirvana33 [79]3 years ago

4 0

Answer:LOL bit LOL

Yayayahaha

Step-by-step explanation:PPPPPPPP

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The Morrison’s car uses one gallon of gasoline for every 28 miles. If gasoline costs $1.50 per gallon, how many miles can they d

aliya0001 [1]

Given:

$ 1.50 / gallon

1 gallon = 28 miles;

Solution:

$ 24.00 / $ 1.50 = 16 gallons

16 gallons x 28 miles = 448 miles

have a nice day:)

4 0

3 years ago

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Write the ratio 21 inches to 9 free as a fraction in simplest form

saveliy_v [14]

Answer: 7/3

Step-by-step explanation:

21/9

7/3 is the fraction in simplest form

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3 years ago

First-order linear differential equations

kkurt [141]

Answer:

$(1)\ logy\ =\ -sint\ +\ c$

$(2)\ log(y+\dfrac{1}{2})\ =\ t^2\ +\ c$

Step-by-step explanation:

1. Given differential equation is

$\dfrac{dy}{dt}+ycost = 0$

$=>\ \dfrac{dy}{dt}\ =\ -ycost$

$=>\ \dfrac{dy}{y}\ =\ -cost dt$

On integrating both sides, we will have

$\int{\dfrac{dy}{y}}\ =\ \int{-cost\ dt}$

$=>\ logy\ =\ -sint\ +\ c$

Hence, the solution of given differential equation can be given by

$logy\ =\ -sint\ +\ c.$

2. Given differential equation,

$\dfrac{dy}{dt}\ -\ 2ty\ =\ t$

$=>\ \dfrac{dy}{dt}\ =\ t\ +\ 2ty$

$=>\ \dfrac{dy}{dt}\ =\ 2t(y+\dfrac{1}{2})$

$=>\ \dfrac{dy}{(y+\dfrac{1}{2})}\ =\ 2t dt$

On integrating both sides, we will have

$\int{\dfrac{dy}{(y+\dfrac{1}{2})}}\ =\ \int{2t dt}$

$=>\ log(y+\dfrac{1}{2})\ =\ 2.\dfrac{t^2}{2}\ + c$

$=>\ log(y+\dfrac{1}{2})\ =\ t^2\ +\ c$

Hence, the solution of given differential equation is

$log(y+\dfrac{1}{2})\ =\ t^2\ +\ c$

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4 years ago

At what point does the terminal side of the angle 7π4 in standard position intersect the unit circle?

vova2212 [387]

Answer:

(2√2, −2√2)

Step-by-step explanation:

Took the test

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3 years ago

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The Cool Company determines that the supply function for its basic air conditioning unit is S(p) = 30 + 0.006p3 and that its dem

vitfil [10]

To obtain a fast solution for this problem

I will graph both functions and find the points of intersection.

Looking at both graphs, we can see that the point of intersection is
(21.859,92.664)

The price for which the supply equals the demand is 21.859

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3 years ago