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Natasha2012 [34]

4 years ago

10

Use the distributive property to write the expression without parentheses. Then simplify.

1 answer:

Jlenok [28]4 years ago

8 0

<em>Please</em><em> </em><em>see</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em> </em><em>for</em><em> </em><em>full</em><em> </em><em>solution</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

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Help me plz I’ve never been good with math

S_A_V [24]

Its 16.

So you have 12 miles on that trail, and markers every 2/3 of the way there. If you were to divide 2 with 3 then you can get the decimal of the fraction. Which in this case it’s 0.75. So every single 0.75 of the mile there is a marker. Divide 12 with 0.75 and you get 16 markers.

Hoped this helped in some way.

4 0

4 years ago

A tank holds 50 gal of water, which drains from a leak at the bottom, causing the tank to empty in 20 min. The tank drains faste

kirza4 [7]

Answer:

(a) V(0) = 50 gal, V(20) = 0 gal

(b)At t= 0 the tank is full.

At t=0 the tank is empty

(c)

Time volume

0 50 gal

5 37.5 gal

10 25 gal

15 12.5 gal

20 0 gal

(d)

Net change of volume = 50 gal

Step-by-step explanation:

Given that the capacity of the tank is 50 gal.

Torricelli's Law gives the volume of water remaining in the tank after t minutes as

$V(t)=50(1-\frac{t}{20})^2$

(a)

To find V(0), we put t = 0 in the above equation

$V(0)=50(1-\frac{0}{20})^2$

$=50(1-0)^2$

= 50 gal

To find V(20), we put t =2 0 in the above equation

$V(20)=50(1-\frac{20}{20})^2$

$=50(1-1)^2$

= 0 gal

(b)

At t= 0 the tank is full.

At t=0 the tank is empty.

(c)

Time V(t)

0 $50(1-\frac{0}{20})^2=50 \ gal$

5 $50(1-\frac{5}{20})^2=37.5 \ gal$

10 $50(1-\frac{10}{20})^2=25 \ gal$

15 $50(1-\frac{15}{20})^2=12.5 \ gal$

20 $50(1-\frac{20}{20})^2=0$

(d)

Net change of volume = V(0) -V(20)

=(50-0) gal

= 50 gal

3 0

3 years ago

Which relation represents a function?

Zielflug [23.3K]

C. Because the no x repeats itself in any of the ordered pairs.

6 0

3 years ago

The museum of natural history has an auditorium that can seat 200 people. A class of 45 students is seated in the auditorium for

HACTEHA [7]

Answer:

.225

Step-by-step explanation:

45/200

7 0

3 years ago

Draw a line representing the "rise" and a line representing the "run" of the line. State

antoniya [11.8K]

Answer:

Answers are below

Step-by-step explanation:

The rise of the line is -5 units. The run is 4 units. The slope of the line is -5/4.

If these answers are correct, please make me Brainliest!

7 0

3 years ago