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DIA [1.3K]
3 years ago
15

What is $640, 3%, 2 years

Mathematics
1 answer:
qaws [65]3 years ago
4 0
$38.40 will be the simple interest.<span />
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Solve each equation:
omeli [17]
You sure seem to be asking a lot of questions lately. I'd like to see that you've been trying with these problems at least because if you can't get that first one it's almost like you missed the whole lesson.

1. 20 = 4b + 7 + 5
Add the 7 and 5.
20 = 4b + 12
Subtract 12 from each side.
8 = 4b
Divide each side by 4.
2 = b

2. 7 = 6k - 7k
6k - 7k = -1k. (the k acts as a sort of unit)
7 = -1k
Divide each side by -1.
-7 = k

3. 3.23 - 2m = 3 - 2(5m - 2)
Distribute the ×-2 to each term inside the parentheses.
3.23 - 2m = 3 - 10m + 4
Add the 3 and 4.
3.23 - 2m = 7 - 10m
Add 10m to each side.
3.23 + 8m = 7
Subtract 3.23 from each side.
8m = 3.77
Divide by 8.
m = 0.47125

4. -88/45=1/3r+2/5r
To get rid of the fractions, let's multiply everything by 45.
-88 = 15 + 18r
Subtract 15 from each side.
-103 = 18r
Divide by 18.
-103/18 = r
As a mixed number, r = -5 and 13/18
As a decimal, r = -5.7222...
6 0
3 years ago
What is the slope of the given graph?
Reptile [31]

Answer:

Looks like it's 1.

Step-by-step explanation:

Since it is a positive slope and it goes up 1 unit, the slope is 1.

7 0
3 years ago
Compare. Write &lt;,&gt;, or =. (Example 1)
Vitek1552 [10]

Answer:ed44

Step-by-step explanation:

4 0
2 years ago
Help guys plzzz asapppp
nignag [31]

sin(x) = opp/hyp
cos(x) = adj/hyp
tan(x) = opp/adj

sin(x) = 3.9/8.1
sin(x) = 0.481

Inverse sin of 0.481 = 28.8 degrees

Each answer should be between 0 and 90 :)
4 0
2 years ago
Sylvia goes to the store and buys a dress that is originally $20, but is currently on sale for 20% off. How much is her dress no
juin [17]

Answer:

Original Price= $20

Sales Price= $20*0.80= $16

8 0
3 years ago
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