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3 years ago

Find the Greatest Common Factor of 20, 30 and 55

Mathematics

2 answers:

mixer [17]3 years ago

8 0

Answer:

is the answer dont over think it and try plz bc its very easy

Lynna [10]3 years ago

6 0

5 is the gcf to your question

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Maria bought a 30 pound bag of dog food. In the first month her dog ate ate 12 2/5 pounds of dog food. In the second month her d

Flauer [41]

Answer:

24 1/5

Step-by-step explanation:

First you add 12 2/5 + 11 4/5 and that leaves you with 23 6/5 simplify it into 24 1/5 and you get your answer!

5 0

3 years ago

A car is purchased for $28,000. After each year, the resale value decreases by

Dennis_Churaev [7]

$\bf \qquad \textit{Amount for Exponential Decay}\\\\
A=I(1 - r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
I=\textit{initial amount}\to &28000\\
r=rate\to 35\%\to \frac{35}{100}\to &0.35\\
t=\textit{elapsed time}\to &3\\
\end{cases}
\\\\\\
A=28000(1-0.35)^3\implies A=28000(0.65)^3\implies A=7689.5
\\\\\\
\textit{which rounds up to }7689$

8 0

3 years ago

Estimate the sum of the lengths of ribbon. 7 yards + 8.2 yards Which statements are true about the estimate? Check all that appl

madreJ [45]

i don't really know, but it looks like b and d

7 0

3 years ago

1)What is the mass of Nitrogen in NH3? (use two decimal places)

Mars2501 [29]

Answer:

1) The Mass of Nitrogen in $NH_3$ is 14.00 gm.

2) The Mass of Hydrogen in $NH_3$ is 3.00 gm.

3)The Molar Mass of $NH_3$ is 17.00 gm.

Step-by-step explanation:

Solving for Part 1.

In $NH_3$ that is Ammonia there is 1 atom of Nitrogen.

So the atomic mass of Nitrogen is same as the mass of Nitrogen in $NH_3$ .

Atomic mass of Nitrogen = 14.00 gm

Hence The Mass of Nitrogen in $NH_3$ is 14.00 gm.

Solving for Part 2.

In $NH_3$ there are 3 atoms of Hydrogen.

Atomic mass of Hydrogen = 1.00 gm

So the mass of Hydrogen in $NH_3$ is 3 times of its atomic mass.

Mass of Hydrogen = 3 × Atomic mass of Hydrogen

$Mass\ of\ Hydrogen =3\times1.00=3.00\ gm$

Hence The Mass of Hydrogen in $NH_3$ is 3.00 gm.

Solving for Part 3.

In $NH_3$ there is 1 atom Nitrogen and 3 atoms of Hydrogen.

So molar mass is the sum of mass of nitrogen and mass of Hydrogen in $NH_3$ .

Molar mass of $NH_3$ =Mass of Nitrogen+Mass of Hydrogen

$Molar\ mass\ of\ NH_3=14.00+3.00=17.00\ gm$

Hence The Molar Mass of $NH_3$ is 17.00 gm.

6 0

3 years ago

Question 4

serious [3.7K]

Answer:

$288

Step-by-step explanation:

12% monthly

144% yearly.

100*1.44*2 = all

all = 288

Hope this helps plz hit the crown :D

7 0

3 years ago

Read 2 more answers