THIS IS VERY IMPORTANT!!!!!!!!

Mathematics

1 answer:

saul85 [17]3 years ago

6 0

I’m pretty sure it’s Abraham Lincoln, not sure though

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A total of 419 students will attend field day.mr. wolf needs 4 ribbons for each student and 48 ribbons for the parents who will

Levart [38]

First, we know that their are 419 students....and that each needs 4 ribbons.

419*4 = 1676

Now, we also need to add the 48 ribbons for the parents.

1676 + 48 = 1724

Now, in total, Mr. wolf needs 1,724 ribbons.

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4 years ago

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If 20 - 2 = 15, what is the value of 3x ?

9966 [12]

Answer:

x = 1

Step-by-step explanation:

20-2 = 18, now -3x = 15

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There are 5 Germans and 5 Italians in an English class. If a group of 3 is going to be created, what is the probability that eve

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Im pretty sure its A. 83%

Step-by-step explanation:

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3 years ago

Find how long it takes a $ 900.00 investment to earn $ 120.00 in interest if it is invested at 6% compounded annually.

atroni [7]

So, we know the earned interest is 120, and we know the original deposited amount is 900 bucks, so, the accumulated amount will then be 900 + 120 or 1020 bucks.

$\bf \qquad \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad 
\begin{cases}
A=\textit{accumulated amount}\to &\$1020\\
P=\textit{original amount deposited}\to &\$900\\
r=rate\to 6\%\to \frac{6}{100}\to &0.06\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{annually, thus once}
\end{array}\to &1\\
t=years
\end{cases}$

$\bf 1020=900\left(1+\frac{0.06}{1}\right)^{1\cdot t}\implies \cfrac{1020}{900}=(1.06)^t\implies \cfrac{102}{90}=(1.06)^t
\\\\\\
log\left(\frac{102}{90} \right)=log(1.06^t)\implies log\left(\frac{102}{90} \right)=t\cdot log(1.06)
\\\\\\
\cfrac{log\left(\frac{102}{90} \right)}{log(1.06)}=t\implies 20.92 \approx t$

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4 years ago

Consider this equation. cos(θ)= -3/10 If θis an angle in quadrant II, what is the value of tan (θ)?

Alja [10]

Answer:

Step-by-step explanation:

Trigonometry ratio:

$\sf Cos \ \theta = \dfrac{Adjacent \ side}{hypotenuse}=\dfrac{-3}{10}$