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3 years ago

6

State the domain of the function y=3/x

1 answer:

mixer [17]3 years ago

8 0

$Notice \ the \ equation \ contains \ x \ in \ the \ denominator.$

$Since \ any \ denominator \ must \ not \ equal \ zero,$

$our \ domain \ is \ restricted \ to \$ x<span>≠0</span>

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If 3/4 gallon of paint covers 1/3 of a wall then how much paint is needed for the entire wall

NeX [460]

Answer:

2 1/4 gallons

Step-by-step explanation:

If 3/4 covers 1/3 of the wall, you need to multiply 3/4 by 3, which gives you 9/4, or 2 1/4 gallons

Hope this helps

7 0

3 years ago

Read 2 more answers

A dollar bill is about 15.5 cm long. If seventeen trillion dollar bills were laid end to end around the Earth's equator, how man

Mariana [72]

Answer:

The dollar bills would encircle earth 65753.1 times

Step-by-step explanation:

We have

Length of dollar bill = 15.5 cm

Total dollar bills = 17 trillion = $17\times 10^{12}$

Thus the length of 17 trillion dollar bills equals

$15.5\times 17\times 10^{12}cm\\\\=263.5\times 10^{12}cm\\\\=\frac{263.5\times 10^{12}}{10^{5}}km\\\\=263.5\times 10^{7}km$

Now taking shape of earth as a perfect sphere the circumference of earth becomes

$C=2\pi r\\\\=2\times \pi \times 6378km\\\\=40074.1558km$

Thus the number of times the dollar bills would encircle earth equals

$\frac{263.5\times 10^{7}km}{40074.1558km}=65753.21times$

6 0

3 years ago

What is 0.128 as a fraction

jekas [21]

$0.128 \\ = \frac{128}{1000} \\ = \frac{16}{125}$

Hope you could get an idea from here.

Doubt clarification - use comment section.

6 0

2 years ago

Read 2 more answers

A rectangular prism has a volume of 137.54ft the length is 2.3 feet and the height is 13 feet. Write and solve an equation to de

patriot [66]

All you have to do is multiply 2.3 by 13 together to get 29.9. Then you would subtract that by the total volume which would get 107.64. That's the width.

6 0

3 years ago

Enter the finite geometric series from its given description, and then enter its sum.

Mama L [17]

Answer:

$a_n= 4(-5)^{(n-1)}$

-10416

Step-by-step explanation:

a = 4

r = -5

geometric series: $a_n=ar^{(n-1)} = 4(-5)^{(n-1)}$

Determine which term = -12500:

$a_n=-12500$

$4(-5)^{(n-1)}=-12500$

$(-5)^{(n-1)} = -3125$

$(5)^{(n-1)} = 3125$

$(n-1)ln(5) = ln(3125)$

$n-1 = ln(3125)/ln(5) = 5$

$n = 5 + 1 = 6$

$a_6=-12500$

Using geometric sum series formula: $S_n=\frac{a(1-r^n)}{1-r}$

Therefore, $S_6=\frac{4(1-(-5)^6)}{1-(-5)} =\frac{-62496}{6} =-10416$

4 0

2 years ago