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denis23 [38]
3 years ago
7

Solve using 2-step equations.

Mathematics
1 answer:
kiruha [24]3 years ago
4 0

Answer:

$7666.7

Step-by-step explanation:

1800 + 500 = 2300. That means that 30% = 2300. If u divide both sides by 3 then 10% = 766.67 times that by ten and then that will equal $7666.7

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Dan has the same number of nickels and dimes in his piggy bank. If the total amount of those coins is $0.90, how many of each co
Karolina [17]

Hello There!

<u><em>n - d = 0</em></u>

<u><em>5n+10d = 90</em></u>

<u><em>----------------------</em></u>

<u><em>n-d = 0</em></u>

<u><em>n+2d = 18</em></u>

<u><em>-------------------</em></u>

<u><em>Subtract and solve for "d":</em></u>

<u><em>3d = 18</em></u>

<u><em>d = 6 (# of dimes)</em></u>

<u><em>n = d = 6 (# of nickels)</em></u>

8 0
4 years ago
Solve the equation. 2x squared-3x+1=0
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2x^2-3x+1=0\\\\2x^2-2x-x+1=0\\\\2x(x-1)-1(x-1)=0\\\\(x-1)(2x-1)=0\iff x-1=0\ \vee\ 2x-1=0\ \ \ \ |+1\\\\x=1\ \vee\ 2x=1\ \ \ |:2\\\\\boxed{x=1\ \vee\ x=0.5}

4 0
3 years ago
What is the probability that a respondent chosen at random is a male or a​ female?
miv72 [106K]

Answer:

%50

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4 0
3 years ago
A students tuition was $4200. A loan was obtained for 6/7 of the tuition. How much was the loan ?
Orlov [11]
$4,200 divided by 6/7 equals $100 


7 0
4 years ago
Read 2 more answers
190000000 x 155555555555555555
postnew [5]
I think the answer is :2.955555554 x10 26
4 0
3 years ago
Read 2 more answers
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