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3 years ago

You’re making deliveries and can travel 324 miles on 18 gallons of gas. How far can you travel on 41 gallons of gas?

Mathematics

2 answers:

AysviL [449]3 years ago

7 0

Answer:

738 miles

Step-by-step explanation:

Use a proportion.

324 miles is to 18 gallons as x miles is to 41 gallons.

324/18 = x/41

Reduce the left fraction.

18/1 = x/41

x = 18 * 41

x = 738

Answer: 738 miles

sukhopar [10]3 years ago

4 0

Answer:

738 miles

Step-by-step explanation:

324 miles = 18 gallons

18 miles = 1 gallon

738 miles = 41 gallons

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M(x)=x^2-3x N(x)=x-5 MN(-1)= ? A.18 B.-20 C.-22 D. -24

schepotkina [342]

Answer:

d. -24

Step-by-step explanation:

M(-1)=(-1)^2-3(-1)

M(-1)=1+3

M(-1)=4

N(-1)=-1-5

N(-1)=-6

MN(-1)=(4)(-6)

MN(-1)=-24

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4 years ago

Math help..............

labwork [276]

D i believe if x=1 & 1/2 and y=1 then 2-1/2*1 would equal 1 1/2 which then the equation would be complete and correct. i tested and y=2 or y=3 would both still be correct.

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3 years ago

If the acceleration of an object is given by dv/dt = −2v, Find the position function s(t) if v(0) = 7 and s(0) = 0.

kirill [66]

Answer:

Step-by-step explanation:

Given that acceleration of an object is

$\frac{dv}{dt} =-2v\\\frac{dv}{v} =-2dt\\ln v = -2t+C\\$

is the solution to the differential equation

Since v(0) =7

we get ln 7 = C

Hence $lnv = -2t+ln 7\\v=7e^{-2t}$

since velocity is rate of change of distance s we have

$v=\frac{ds}{dt} =7e^{-2t}\\s= [tex]s(t) =\frac{-7}{2} (e^{-2t})+C)[$

substitute t=0 and s=0

$C=7/2$

So solution for distance is

$s(t) =\frac{-7}{2} (e^{-2t}-1)$

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4 years ago

5 divide 15x 15squared

Goryan [66]

Answer:

Step-by-step explanation:

(5 /15) x (15 squared = 75

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3 years ago

I need help fast please Solve this and show steps 4.5×8-(0.4+9.6-(3.6-1.8))

valentina_108 [34]

Answer:

27.8

Step-by-step explanation:

You need to do brackets first

3.6-1.8 = 1.8

Then substitute

4.5 x 8- (0.4 + 9.6- 1.8)

0.4+9.6-1.8=8.2

4.5 x 8 - 8.2 =27.8

7 0

2 years ago