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sweet-ann [11.9K]
3 years ago
8

you have a large tank filled with 175 gallons of water the tank springs a leak and water is pouring out at a rate of 5 gallons p

er minutes
Mathematics
1 answer:
Len [333]3 years ago
3 0
175/5= 35

The answer is 35 minutes.

Hope this helps!
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Solve for x:<br> I need a answer with an explanation. Algebra 1
kirill115 [55]

Answer: x = -1

Step-by-step explanation:

You need to convert to the same base

\frac{1}{16}  = \frac{1}{2^{4} } = 2^{-4}

So

2^{-4} = 2^{-2x-6}

For these values to be equal, the exponents have to be equal

-4 = -2x - 6

2 = -2x

x = -1

3 0
3 years ago
If an employer reduces the working week from 40 hours to 35 hours, with no
tangare [24]

Answer:

14.285714285714 %

Step-by-step explanation:

suppose the weekly payment is of x dollars

Then

Previous payment : $(x/40) per hour

New payment : $(x/35) per hour

Then

The percentage increase in the hourly rate of pay is :

=\frac{\frac{x}{35} -\frac{x}{40} }{\frac{x}{40} } \times100

=\frac{\frac{5x}{1400} }{\frac{x}{40} }  \times100

=\frac{5x}{1400} \times \frac{40}{x} \times100

=\frac{200}{1400} \times100

=\frac{1}{7} \times100

=14.285714285714

6 0
2 years ago
How do you solve this?Please explain.
Readme [11.4K]

Answer:

first you take the square root or 0.9, 2.7, 1.7, and 0.4 which will equal=

0.9= ~0.94

2.7=~1.64

1.7=~1.30

0.4=~0.63

0.94 - 1.64 + 1.30 + 0.63 = 1.23

hope this helps! C:


8 0
3 years ago
Read 2 more answers
What is 13 time 6 plus 3
inessss [21]

Answer:

81

Step-by-step explanation:

13 * 6 is 78

78 + 3 is 81

~hope this helps~

3 0
2 years ago
8) Choose the correct linear system of inequalities for the graph given.
ziro4ka [17]

Answer:

To graph a linear inequality in two variables (say, x and y ), first get y alone on one side. Then consider the related equation obtained by changing the inequality sign to an equality sign. The graph of this equation is a line.

If the inequality is strict ( < or > ), graph a dashed line. If the inequality is not strict ( ≤ or ≥ ), graph a solid line.

Finally, pick one point that is not on either line ( (0,0) is usually the easiest) and decide whether these coordinates satisfy the inequality or not. If they do, shade the half-plane containing that point. If they don't, shade the other half-plane.

Graph each of the inequalities in the system in a similar way. The solution of the system of inequalities is the intersection region of all the solutions in the system.

Example 1:

Solve the system of inequalities by graphing:

y≤x−2y>−3x+5

First, graph the inequality y≤x−2 . The related equation is y=x−2 .

Since the inequality is ≤ , not a strict one, the border line is solid.

Graph the straight line.

Consider a point that is not on the line - say, (0,0) - and substitute in the inequality y≤x−2 .

0≤0−20≤−2

This is false. So, the solution does not contain the point (0,0) . Shade the lower half of the line.

Similarly, draw a dashed line for the related equation of the second inequality y>−3x+5 which has a strict inequality. The point (0,0) does not satisfy the inequality, so shade the half that does not contain the point (0,0) .

The solution of the system of inequalities is the intersection region of the solutions of the two inequalities.

Example 2:

Solve the system of inequalities by graphing:

2x+3y≥128x−4y>1x<4

Rewrite the first two inequalities with y alone on one side.

3y≥−2x+12y≥−23x+4−4y>−8x+1y<2x−14

Now, graph the inequality y≥−23x+4 . The related equation is y=−23x+4 .

Since the inequality is ≥ , not a strict one, the border line is solid.

Graph the straight line.

Consider a point that is not on the line - say, (0,0) - and substitute in the inequality.

0≥−23(0)+40≥4

This is false. So, the solution does not contain the point (0,0) . Shade upper half of the line.

Similarly, draw a dashed line of related equation of the second inequality y<2x−14 which has a strict inequality. The point (0,0) does not satisfy the inequality, so shade the half that does not contain the point (0,0) .

Draw a dashed vertical line x=4 which is the related equation of the third inequality.

Here point (0,0) satisfies the inequality, so shade the half that contains the point.

The solution of the system of inequalities is the intersection region of the solutions of the three inequalities.

Step-by-step explanation:

I got it right

3 0
2 years ago
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