3 years ago

I need to know these two answers

Mathematics

1 answer:

Mademuasel [1]3 years ago

4 0

Answer:

no idea

Step-by-step explanation:

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3 times a number plus 12 minus 5 times the same number is 22

andre [41]

(3x+12)-5x=22
-15x^2-60x=22
-15x^2-60x-22=0
x=-b/2a
x=60/-30
x=-2

6 0

4 years ago

Find the area between y = 8 sin ( x ) y=8sin⁡(x) and y = 8 cos ( x ) y=8cos⁡(x) over the interval [ 0 , π ] . [0,π]. (Use decima

Marina86 [1]

Answer:

0.416 au

Step-by-step explanation:

Let y1=8sin(x) and y2=8cos(x), we must find the area between y1 and y2

$\int\limits^\pi _0{(8cos(x)-8sin(x))} \, dx = 8\int\limits^\pi _0{(cos(x)-sin(x))} \, dx =\\8(sin(x)+cos(x)) evaluated(0-\pi )=\\8(sin(\pi )-sin(0))+8(cos(\pi )-cos(0))=\\8(0.054-0)+8(0.998-1)=8(0.054)+8(-0.002)=0.432-0.016=0.416$

3 0

3 years ago

A rental car company charges $40.18 per day to rent a car and $0.05 for every mile driven. Jacob wants to rent a car, knowing th

Harlamova29_29 [7]

Answer:

b) 270 ≥ 40.18d + 3.75

Step-by-step explanation:

Per day is a variable, so it's 40.18d

Per mile is also a variable so 0.05m

40.18d + 0.05m ≤ 270

40.18d + 0.05(75) ≤ 270

40.18d + 3.75 ≤ 270

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3 years ago

Jill uses 10 gallons of

gogolik [260]

Answer:

40 gallons of gas is used

Step-by-step explanation: 10 times 4 because 4 times 50 is 200

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3 years ago

What is the sum of the first 26 terms of the arithmetic series?<br><br> 7+11+15+19+…

EastWind [94]

It's +4 every time, so

$(7*26)+(4*347)=$

4 0

4 years ago

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