3 years ago

2 thirds divided by 4

Mathematics

1 answer:

hichkok12 [17]3 years ago

3 0

1/6 or 0.16 in decimal form

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Find the area to the nearest square foot of the shaded region below, consisting of a square with a circle cut

kompoz [17]

54 fetahandkodsinsbwhsjaka

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3 years ago

A pharmacist has 40% and 80% iodine solutions on hand .How many liters of each iodine solutions will be required to produce 6 li

svetoff [14.1K]

So... let's change the concentration percentage to decimal format. .. so 40% is just 4/100 or 0.4 and so on.

$\bf \begin{array}{lccclll}
&amount&concentration&
\begin{array}{llll}
concentration\\
amount
\end{array}\\
&-----&-------&-------\\
\textit{40\% sol'n}&x&0.4&0.4x\\
\textit{80\% sol'n}&y&0.8&0.8y\\
-----&-----&-------&-------\\
mixture&6&0.5&3
\end{array}$

so... whatever "x" and "y" may be, we know the must add up to 6 liters.

and whatever 0.4x and 0.8y are, we also know, they must add up to a 3 of concentrated amount.

thus $\bf \begin{cases}
x+y=6\implies \boxed{y}=6-x\\
0.4x+0.8y=3\\
----------\\
0.4x+0.8\left( \boxed{6-x} \right)=3
\end{cases}$

solve for "x", to see how much of the 40% solution will be needed.

what about "y"? well, y = 6 - x.

8 0

4 years ago

Could someone tell me what x=

Vesna [10]

Answer:

x=6

Step-by-step explanation:

5x-4=3x+8

solve for x

2x=12

x=6

3 0

4 years ago

12. What assumption might you be tempted to make about the graphs of y = x, y = x3 and y = x5 based on the values you found in t

ohaa [14]

Answer:

Sorry need the cred

Step-by-step explanation:

8 0

3 years ago

Type in the answer as a reduced mixed number with the negative in front of the whole number

notsponge [240]

solving $-8\frac{3}{4}-11\frac{1}{3}$ we get $-20\frac{1}{12}$

Step-by-step explanation:

We need to solve the following expression:

$-8\frac{3}{4}-11\frac{1}{3}$

Solving:

$-8\frac{3}{4}-11\frac{1}{3}\\ =-\frac{35}{4}-\frac{34}{3}\\=\frac{-35*3-34*4}{12}\\=\frac{-105-136}{12}\\=\frac{-241}{12}\\=-20\frac{1}{12}$

So, solving $-8\frac{3}{4}-11\frac{1}{3}$ we get $-20\frac{1}{12}$

Keywords: Fractions

Learn more about fractions at:

#learnwithBrainly

6 0

3 years ago