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3 years ago

All real square roots of 0.0009

Mathematics

2 answers:

kompoz [17]3 years ago

6 0

the real square root of 0.0009 is 0.03

Yuliya22 [10]3 years ago

4 0

+ - .03
because .03 * .03 = .0009
and (-.03)*(-.03) = .0009

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Alex purchased a new car for $28000. The car depreciates 7.25% each year. what will the price be in 5 years?

dalvyx [7]

Use the depreciation formula.

$\sf p(1-r)^n$

Where 'p' is the principal value, 'r' is the rate it depreciates, and 'n' is the time. Just plug in what we know:

$\sf 28000(1-0.0725)^5$

Simplify by subtracting:

$\sf 28000(0.9275)^5$

Simplify the exponent:

$\sf 28000(0.6864)$

Multiply:

$\sf\approx\boxed{\sf\$ 19219.20}$

8 0

3 years ago

the Spanish club is selling churros as a fundraiser. If its goal is to raise at least $150, how many churros must it sell at $1.

nekit [7.7K]

Let

x-------> the number of churros sold

we know that

$1.25x \geq 150$ -----> inequality that represent the situation

Solve for x

Divide by $1.25$ both sides

$x \geq 150/1.25$

$x \geq 120\ churros$

therefore

<u>the answer is</u>

The minimum number of churros that must be sold is $120$

4 0

3 years ago

Read 2 more answers

Part 1. Determine the molar mass of a 0.622-gram sample of gas having a volume of 2.4 L at 287 K and 0.850 atm. Show your work.

sdas [7]

If a sample of gas is a 0.622-gram, volume of 2.4 L at 287 K and 0.850 atm. Then the molar mass of the gas is 7.18.

<h3>What is an ideal gas equation?</h3>

The ideal gas equation is given below.

$PV = nRT$

The equation can be written as

$\rm PV = \dfrac{m}{M} \ RT\\\\\\MPV = mRT$

Where M is the molar mass, P is the pressure, V is the volume, R is the universal gas constant, T is the temperature, and m is the mass of the gas.

Then the molar mass of a 0.622-gram sample of gas has a volume of 2.4 L at 287 K and 0.850 atm.

V = 2.4 L = 0.0024

P = 0.85 atm = 86126.25 Pa

T = 287 K

m = 0.622

R = 8.314

Then we have

$\begin{aligned} \rm M \times 86126.25 \times 0.0024&= 0.622 \times 8.314 \times 287\\\\\rm M &= 7.18 \end{aligned}$

Then the molar mass of the gas is 7.18.

More about the ideal gas equation link is given below.

brainly.com/question/4147359

#SPJ1

6 0

1 year ago

Round the number 18.374 to the nearest hundredth

Lelu [443]

It would be 18.37 because 4 is smaller then 5, so you round down.

6 0

3 years ago

Read 2 more answers

You make lemonade by adding 11 cups of water for every 3 cups of lemon juice. Your friend makes lemonade by adding 9 cups of wat

spayn [35]

Answer:Your friend

Step-by-step explanation:

Well first I did was I found out that both 3 and 2 go into 12. 2 goes into 12 6 times. 9 * 6 is 54. 3 goes into 12 4 times. 11 * 4 is 44. 54 is greater than 44 therefore the answer would be your friend.

7 0

3 years ago