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Ulleksa [173]
3 years ago
10

Find the value of x. 16 40° D (Round to the nearest tenth as needed.)

Mathematics
1 answer:
dsp733 years ago
3 0

Answer:

Hi

Step-by-step explanation:

So

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Please answer and explain thankss
hram777 [196]

Answer:

B, you just multiply the exponents, also 3^2=9

Step-by-step explanation:

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2 years ago
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A car radiator needs a 80% antifreeze solution. The radiator now holds 15 liters of a 70% solutions. How many liters of this sho
slavikrds [6]
So... the radiator has 15 liters of 70% antifreeze.. but needs an 80% antifreeze

well, so, you need to drain some and put some with higher percentage, seems to be, you will end up at the same 15 liters, possible the radiator's capacity, of 80% antifreeze

so, the same amount going out, of 70% is the same amount going in, of 100% antifreeze

now.. let's use the decimal format for the percents, or 70% is 70/100 or 0.7 and so on
\bf \begin{array}{lccclll}
&amount&concentration&
\begin{array}{llll}
concentration\\
amount
\end{array}\\
&-----&-------&-------\\
\textit{70\% sol'n, out}&x&0.7&0.7x\\
\textit{100\% sol'n, in}&x&1.00&x\\
\textit{current 70\% sol'n}&15&0.7&10.5\\
-----&-----&-------&-------\\
mixture&15&0.8&12
\end{array}

so.. let's subtract, from the current solution, 0.7x and add 1x or x, our antifreeze concentration amount, should be 12 though

10.5 - 0.7x + x = 12

solve for "x"

3 0
3 years ago
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What number should be added to both sides of the equation to complete the square?
baherus [9]
-4 is what you put on both sides Bc it’s half of b
4 0
3 years ago
ANSWER THIS QUESTION ASAP DONT SEND A FILE AT ALL. WHATS THE ANSWER I HAVE A TIKE LIMIT HELPP ONLY ANSWER IF YOU KNOW THE ANSWER
vfiekz [6]

Answer:reflect across

Step-by-step explanation:

4 0
3 years ago
HELP PLEASE <br><br> how do i put this into a piecewise function?
Nonamiya [84]

Answer:

Step-by-step explanation:

2 functions start by making a domain

Function 1: -3≤x<1

Function 2: -1≤x≤1

Now come up with equations

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Now put it all together

f(x)= x+3 for -3≤x<1 and 5 for -1≤x≤1

8 0
3 years ago
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