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Alexandra [31]
4 years ago
11

A cylindrical oil tank 8 ft deep holds 620 gallons when filled to capacity. How many gallons remain in the tank when the depth o

f oil is 3 and one half ft.
Mathematics
2 answers:
Bogdan [553]4 years ago
7 0

Answer:

271.25

Step-by-step explanation:

8=620

3 1/2=x

620×7/2=8x

2170=8x

x=2170/8

x=271.25

vekshin14 years ago
6 0

Answer:

  271.25 gal

Step-by-step explanation:

Assuming the tank is oriented so that the quantity of oil is proportional to depth, the amount remaining is ...

  (3 1/2 ft)/(8 ft) × (620 gal) = 271 1/4 gal

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can I please get a labeled homework help im confused and last thing please don't make to much long equation because I cant do so
zepelin [54]

Answer:

your answer is x >18

Step-by-step explanation:

Jahsiah's mistake was he added 9 to both sides of the equation. He should have subtracted 9 from both sides of the equation.

Here's the solution

-2x+9<-27

-9 -9

-2x/-2x<-36/-2x

when u divide by negative in inequalities, u change the sign. So ur correct answer is x>18

hope this helped.

6 0
3 years ago
Which is better Financial manager or accountant?​
Umnica [9.8K]

Answer:

Financial manager sounds more professional.

Step-by-step explanation:

7 0
3 years ago
Which ordered pairs are solutions to the inequality 3x-4y&gt;5
Sloan [31]

Note: you did not provide the answer options, so I am, in general, solving this query to solve your concept, which anyways would clear your concept.

Answer:

Please check the explanation.

Step-by-step explanation:

Given the inequality

3x-4y>5

All we need is to find any random value of 'x' and then solve the inequality.

For example, putting x=3

3\left(3\right)-4y>5

9-4y>5

-4y>-4

\mathrm{Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)}

\left(-4y\right)\left(-1\right)

4y

\mathrm{Divide\:both\:sides\:by\:}4

\frac{4y}{4}

y

So, at x = 3, the calculation shows that the value of y must be less

than 1 i.e. y<1 in order to be the solution.

Let us take the random y value that is less than 1.

As y=0.9 < 1

so putting y=0.9 in the inequality

3\left(3\right)-4\left(0.9\right)

=9-3.6

=5.4

  • As 5.4 > 5

Means at x=3, and y=0.9, the inequality is satisfied.

Thus, (3, 0.9) is one of the many ordered pairs solutions to the inequality 3x-4y>5.

6 0
3 years ago
If 2/3 of the girls have brown eyes and 1/4 of the girls have blue eyes what fraction of the girls in class have neither blue or
alex41 [277]
1/7th of girls have neither
4 0
3 years ago
Footballs cost $22.00 each. The athletic director has $277.00 in his budget to spend on footballs there is a $13.00 shipping fee
ZanzabumX [31]

Answer:

16

Step-by-step explanation:

x = number of footballs he can order

22*x + 13 (shipping fee) = 277

22x = 264       Subtract 13 from both sides

x = 16               Divide both sides by 22

Our solution is 16 footballs

5 0
3 years ago
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