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Grace [21]
2 years ago
5

Help?ill give brainliest

Mathematics
2 answers:
alekssr [168]2 years ago
8 0

Answer:

Step-by-step explanation:

   1, 238.46 total money

-      975.00 money spent

-------------------

      263.46

OLEGan [10]2 years ago
5 0
Answer: 263.46
1,238.46-975
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Simplify each expression.<br> (n into power 4)8
hram777 [196]

Answer: 64

Step-by-step explanation:

4+4=16

4+4=16

4+4=16

4+4=16

16+16+16+16=64

7 0
2 years ago
If your starting salary is 40,000 and you receive a 3% increase at the end of every year, what is the total amount, in dollars,
Molodets [167]

Answer:

$64188.26

Step-by-step explanation:

→ Calculate the increase in decimal multiplier

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2 years ago
A quality inspector inspect random box of 50 tablets. He discovers 2 are defective. In an order of 2,000 tablets,how many are li
oksano4ka [1.4K]

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80

Step-by-step explanation:

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7 0
3 years ago
Solve the equation 3^(2x) -4*3^(x+1) + 27 = 0. use rules of exponents to change 3^(x+1)​
Leviafan [203]

Answer:

\huge\boxed{x=1\ \vee\ x=2}

Step-by-step explanation:

3^{2x}-4\cdot3^{x+1}+27=0\\\\\text{use}\ (a^n)^m=a^{nm}\ \text{and}\ a^n\cdot a^m=a^{n+m}\\\\\left(3^x\right)^2-4\cdot3^x\cdot3^1+27=0\\\\\left(3^x\right)^2-12\cdot3^x+27=0\\\\\text{substitute}\ 3^x=t>0\\\\t^2-12t+27=0\\\\t^2-3t-9t+27=0\\\\t(t-3)-9(t-3)=0\\\\(t-3)(t-9)+0\iff t-3=0\ \vee\ t-9=0\\\\t-3=0\qquad\text{add 3 to both sides}\\\boxed{t=3}\\\\t-9=0\qquad\text{add 9 to both sides}\\\boxed{t=9}

\text{We return to substitution:}\\\\3^x=t\\\\3^x=3\ \vee\ 3^x=9\\\\3^x=3^1\ \vee\ 3^x=3^2\\\\\boxed{x=1}\ \vee\ \boxed{x=2}

4 0
2 years ago
Solve this inequality.​ 4n-3&lt;=21
icang [17]

The answer Will be: n<=6

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3 years ago
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