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lukranit [14]
3 years ago
5

Can someone help me i will give brainliest.

Mathematics
1 answer:
Yuliya22 [10]3 years ago
5 0

A. -4x-2 all real numbers

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Can i get some help please??? Thanks!!!!
Musya8 [376]

Answer: try 34

Step-by-step explanation:

8 0
3 years ago
What number is 80% of 90%?​
storchak [24]
Answering so you can mark the other person brainliest
6 0
3 years ago
A 5-gallon jug of cleaning solution contains 6% bleach. How much pure water should be added to it to dilute to 4% bleach?
mihalych1998 [28]
Let's bear in mind that 5 gallons with a solution of 6% bleach, contains some water plus some bleach, how much bleach?  well, is just 6% of 5 gallons or namely (6/100) * 5 gallons, or 0.30 gallons.

if we use "x" gallons of water, well pure water has no bleach, so is 0% bleach, and it has a (0/100) * x or 0x gallons of bleach.

the mixture will be say "y" gallons, and is 4% bleach, so (4/100) * y is 0.04y gallons in the mixture of bleach.

\bf \begin{array}{lcccl}
&\stackrel{gallons}{quantity}&\stackrel{\textit{\% of bleach}}{amount}&\stackrel{\textit{gallons of bleach}}{amount}\\
&------&------&------\\
\textit{pure water}&x&0.00&0x\\
\textit{6\% solution}&5&0.06&0.3\\
-----&------&------&------\\
mixture&y&0.04&0.04y
\end{array}
\\\\\\
\begin{cases}
x+5=\boxed{y}\\
0x+0.3=0.04y\\
---------\\
0.3=0.04\left( \boxed{x+5} \right)
\end{cases}
\\\\\\
0.3=0.04x+0.2\implies 0.1=0.04x\implies \cfrac{0.1}{0.04}=x\implies 2.5=x
3 0
3 years ago
Help me plz i want help plz
netineya [11]

Answer:

384

Step-by-step explanation:

6 squares of 8x8=

8x8x6=384

8 0
3 years ago
Read 2 more answers
What is 1 3/5 - 5/6? Please Help
gizmo_the_mogwai [7]

Answer:

Exact Form:

\frac{23}{30}

Decimal Form:

0.76

Step-by-step explanation:

<em>Hope this helped and good luck <3</em>

6 0
3 years ago
Read 2 more answers
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