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olga55 [171]
3 years ago
8

Two fifths of the square of the number j in algebraic exprission

Mathematics
2 answers:
meriva3 years ago
8 0

Answer: \dfrac{2}{5}j^2

Step-by-step explanation:

The given mathematical statement : "two fifths of the square of the number j "

To write the algebraic expression for the given mathematical statement.

We can write  square of the number j as j^2

and two-fifth as \dfrac{2}{5}

Then, the final algebraic expression will be :-

\dfrac{2}{5}j^2

Tomtit [17]3 years ago
5 0
Two-fifths (\frac{2}{5}) of the square of the number j (j²)

 \frac{2}{5}j²
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insens350 [35]

Answer:

Y=330,000(1.068)^t

Step-by-step explanation:

3 0
3 years ago
A teacher has 3 hours to grade all the papers submitted by the 35 students in her class. She gets through the first 5 papers in
Andreyy89
So, she has 3hrs to grade all papers, for 35 students.. alrite.

the first 5, she does them in 30minutes.. what's the speed rate? well, 5/30 or 1/6

now, she has still 2 hours and a half, or 150 minutes, to do the remaining 30 papers... she has to work at a rate of 30/150 then... which is 1/5 simplified.

now if we take 1/6 as the 100%, what is 1/5 in percentage then?

\bf \begin{array}{ccllll}
rate&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
\frac{1}{6}&100\\\\
\frac{1}{5}&x
\end{array}\implies \cfrac{\frac{1}{6}}{\frac{1}{5}}=\cfrac{100}{x}\implies \cfrac{1}{6}\cdot \cfrac{5}{1}=\cfrac{100}{x}\implies \cfrac{5}{6}=\cfrac{100}{x}
\\\\\\
x=\cfrac{6\cdot 100}{5}\implies x=120

so 1/5 is 120% in relation to 1/6... meaning the rate of 1/5 she needs to move through, namely 1 paper every 5 minutes, is 20% faster than 1/6.
8 0
3 years ago
Read 2 more answers
I need help with this please​
aliya0001 [1]

Answer:

I’m not sure what that means but I think it’s the one with the blue

Step-by-step explanation:

8 0
3 years ago
In the Sahara Desert one day it was 136oF. In the Gobi Desert a temperature of
coldgirl [10]

Answer: 186^{\circ}F

Step-by-step explanation:

Given : In the Sahara Desert one day it was 136°F.

In the Gobi Desert a temperature of  -50°F was recorded.

Clearly ,  136°F> -50°F

Then, the difference between these two temperatures will be :-

136^{\circ}F-(-50)^{\circ}F\\\\=(136+50)^{\circ}F\ \ [\because \text{Product two neagtive sign is positive]}\\\\=186^{\circ}F

Hence, the difference between these two temperatures = 186^{\circ}F

7 0
3 years ago
if you stop at random in front of an animal exhibit,What is the probability that you will be looking at monkeys? I put the table
Mkey [24]

Answer:

1/10

step-by-step explanation:

----------------------------------

| animals | percent of animals |

----------------------------------

|    goats    |          16%           |

----------------------------------

|    camels    |          4%           |

----------------------------------

|    giraffes    |          6%            |

----------------------------------

|    llamas    |          6%           |

----------------------------------

|   deer    |          1%           |

----------------------------------

|   monkeys    |          10%           |

----------------------------------

|   birds    |          27%           |

----------------------------------

|   reptiles    |          14%           |

----------------------------------

|   bears    |          16%           |

----------------------------------

( sorry if the table above isnt 100% right or straight ^ )

first you add up all the percents of how much animals are in this exhibit

16 + 4 + 6 + 6 + 1 + 10 + 27 + 14 + 16

= 100 %

then since we are looking for the probability of stopping in front of the monkeys, we take that 100 we got earlier and get the 10% of monkeys from our table

10/100

but since there isnt a 10/100 on the answers we look for something that equals to 10/100 and 1/10 does since you can just times both the 1 and 10 to equal the 10 and 100 you were looking for

1/10

making 1/10 your answer!

hope this helps! and if you need anymore help on this math question just ask me :)

4 0
2 years ago
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