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jolli1 [7]
3 years ago
15

Carl wants to buy a television that costs $745, including taxes. To pay for the television, he will use a payment plan that requ

ires him to make a down payment of $120, and then pay $89.30 each month for 8 months. What is the percent increase from the original cost of the television to the cost of the television using the payment plan? *
Mathematics
1 answer:
erastovalidia [21]3 years ago
3 0

Answer:

12%

Step-by-step explanation:

We are trying to find the percent increase from the original cost to the payment plan cost. To do that, we need to first figure out how much the payment plan would cost in total.

Lets solve for the cost of the payment plan:

$120 + $89.30(8) = $834.40

Next, use the percent increase formula as shown below:

x=\frac{New-Original}{Original} (100)

Plug in the values:

1) x=\frac{834.40-745}{745} (100)

2) x=.12(100)

3) x=12

Our answer is 12%.

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3 years ago
A library checked out 52 books. 24 are fiction books what is the ratio for fiction to non fiction books. Please show how it is d
agasfer [191]
Since there are 24 fiction books and 52 books in total, you can start with subtracting them both to find the amount of non-fiction books. 52-24=28, so 28 non-fiction books are currently checked out. Now for the fun part. There are two ways I know how to do this, so let's start. One way is that you can put a ':' between the two numbers. For example, since we are trying to find fiction books to non-fiction, we would say 24:28. The first number will represent the first thing they ask for (fiction), and the second number will represent the second thing they ask for (non-fiction). Another way to do this is by putting the numbers as a fraction. For example, you could put 24/28. It will still mean the same thing, and it will not change the outcome. I hope this helps! :)
5 0
3 years ago
Read 2 more answers
Given the quadratic equation ax²-5b+4a=0, where a and b are constants has two real an equal roots,find a:b​
sergiy2304 [10]

Answer:

Therefore either a:b = 5:4 or a:b=-5:4

Step-by-step explanation:

ax²-5bx+4a=0

Since the quadratic equation has two real root.

Then b²-4ac>0

Here a= a , b= -5b and c=4a

∴(-5b)²-4.a.4a=0

⇔25b²=16a²

⇔5b=±4a

\Leftrightarrow \frac{a}{b} =\pm\frac{5}{4}

Therefore either a:b = 5:4 or a:b=-5:4

5 0
3 years ago
A pipe is leaking at 1.5 cups per day. About how many gallons per week is the pipe leaking?
Ira Lisetskai [31]
1.5 cups = 0.09375 gallon
per week = 7 days 
So, 0.09375(7) =0.65625 gallon /week
Or you could round it to 0.66
7 0
3 years ago
If m CDE=(3x+10)° m CDF=(x+25)°, and m EDF= 65°. Find m CDF​
aleksley [76]

<em>m</em>∠CDF + <em>m</em><em>∠</em><em>EDF</em><em> </em><em>=</em><em> </em><em>∠</em><em>CDE</em>

<em>x + 25° + 65° = 3x + 10</em>

<em>x + 90° = 3x + 10</em>

<em>90° = 3x + 10 - x</em>

<em>90° = 2x + 10</em>

<em>2x + 10 = 90</em>

<em>2x = 90 - 10</em>

<em>2x = 80</em>

<em>x =  \frac{80}{2}</em>

x = 40°

<em>m</em><em>∠</em>CDE

= 3 × 40 + 10

= 120 + 10

= 130°

<h3>Then , <em>m</em>∠CDF =</h3>

x + 25 \\  = 40 + 25 \\  = 65°

<h2>•°• <em>m</em><em>∠</em>CDF = 65°</h2>

5 0
3 years ago
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