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Alex
3 years ago
7

If h(x)=x-7 and g(x)=x ^2, which expression is equivalent to (g•h)(5)

Mathematics
1 answer:
pashok25 [27]3 years ago
7 0

x^3 ‐ 7x^2

Explanation:

x^2(x-7) = x^3 ‐ 7x^2

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Enter your answer and show all the steps that you use to solve this problem and write your final answer in factored form.
Nezavi [6.7K]

Answer:

4x³ +2x² + 2x

Step-by-step explanation:

1- Determine the sign

2- Combine like terms

5 0
2 years ago
a 5-gallon mixture contains 40% acid. A 3-gallon mixture contains 50% acid. what percent acid is obtained by putting the two mix
natta225 [31]

so the 5 gallons ones is 40% acid, how much acid solute is in it anyway? well just 40% of 5 or namely 0.4*5 = 2 gallons.

the 3 gallons one is 50%, likewise it has 0.50 * 3 = 1.5 gallons of acid solute in it.

\begin{array}{lcccl} &\stackrel{solution}{quantity}&\stackrel{\textit{\% of }}{amount}&\stackrel{\textit{gallons of }}{amount}\\ \cline{2-4}&\\ \textit{1st mixture}&5&0.4&\stackrel{(5)(0.4)}{2}\\ \textit{2nd mixture}&3&0.5&\stackrel{(3)(0.5)}{1.5}\\ \cline{2-4}&\\ mixed&8&p&3.5 \end{array} \\\\\\ 8p=3.5\implies p=\cfrac{3.5}{8}\implies p=0.4375\implies p=\stackrel{\%}{43.75}

8 0
2 years ago
You buy a shirt for $25 and sales tax is 4.1
Slav-nsk [51]

Answer:

I think $26.03

Step-by-step explanation:

4.1% of $25 is 1.03 ( I rounded it)

so 1.03 is the sales tax.

$25.00 + $1.03 = 26.03

5 0
3 years ago
alabama power came by my house that i just bought and installed a new wire support for one of the telephone poles on the propert
PolarNik [594]

Answer:

30 feets

Step-by-step explanation:

subtrqct 55-25 = 30

8 0
3 years ago
Who has<br> ✨ A n x i e t y ✨
Kay [80]

Answer:

yupyup

Step-by-step explanation:

been having it for years now

7 0
2 years ago
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