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satela [25.4K]
3 years ago
13

29. A DVD player has a list price of $120. The

Mathematics
1 answer:
castortr0y [4]3 years ago
7 0

Answer:

90$ I'm pretty sure

Step-by-step explanation:

25% of 120=30$, 120-30=90$

To find the answer, you must first convert the sales percentage to a decimal by moving the decimal left two places.

20%=0.20

Then, multiply the total cost by the decimal.

$15.98(0.20)=$3.19

This gives us the amount of the discount. To find the remaining cost, we subtract that number from the original cost to get the answer.

$15.98−$3.19=$12.79

An example of explaining percents I found to help explain it better then I probably could do

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sleet_krkn [62]
1/3

We know that 1/4 is smaller than 1/3. 

Answer: 1/4
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3 years ago
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What is C a-c=r-d ; C
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A-c=r-d -c=r-d-a -1(-c)=-a+r-d(-1) C=a-r+d

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3 years ago
A car that sold for $11,900 has a sales tax of $767. How
dlinn [17]

Answer: 9,953

Step-by-step explanation:

The first step is to find what the sales tax rate is for the first car because it will be the same for the second.

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4 0
2 years ago
I need help working question 8. I don't understand how to start it
Lina20 [59]
Why don't you first try to use the cosine law to solve for an angle and then make use of the sin law to solve for the remaining angles.

Cosine law

C^2 = A^2 + B^2 - 2AB(cos C)
Solve for cos C, and then take the inverse of the trig ratio to solve for the angle.

Then set up a proportion like you have done using the sin law and solve for another angle. Knowing the sum of all angles in a triangle add up to 180 degrees, we can easily solve for the remaining angle.
8 0
3 years ago
Please help me with the problem
mixas84 [53]
Let's see what we're working on here 

\frac{1}{2}  - 2(m) =?
            ? = 0
Simplify this → \frac{1}{2}

\frac{1}2y} - 2(m) = ?

\frac{2(m)(2)}{2}

\frac{1 - 4(m)}{2} = ?

\frac{1 - 4(m)}{2} = 2

-4(m) + 1 = 0
 Subtract ( - )the number 1 from each of your sides on this part

4(m) = 1 
Multiply( ×) the number -1 to your sides for this part of the equation 

Therefore, the value of m is \frac{1}{4}
m =  \frac{1}{4}


3 0
4 years ago
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