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garik1379 [7]
3 years ago
11

Please help me ill mark you brainliest and please show your work :)

Mathematics
1 answer:
Nana76 [90]3 years ago
7 0

Answer:

12

Step-by-step explanation:

Multiply both sides of the equation by 8/5.

4x-16=32

Move 16 to the other side

4x=32+16

add numbers on the right side

4x=48

divide both sides by 4

x=12

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Show work plz
Mazyrski [523]
So first we need to get rid of that naughty sales tax so we need to divide 30.45 by 1.05 since 30.45 is 105% of the pre-tax price. We get the answer of 29 and subtract 12 from 29 since the long fleece socks cost 12 bucks and we get 17 dollars. Since there are 2 pairs of regular songs we divide 17 by 2 and get 8.5

So the regular socks cost $8.50

Checking work 8.5*2=17
12+17=29
1.05*29=30.45

If u need more help feel free to ask me
3 0
3 years ago
How much money will be accrued after 3 years if a principal investment of $820 is compounded continuously at 5%?
ludmilkaskok [199]
Total = Principal * e ^ (rate * years)
where "e" is the mathematical constant = 2.718281828459 ...
Total = $820.00 *  2.718281828459 ^ (.05 * 3)
Total = $820.00 * <span> <span> <span> 1.1618342427 </span> </span> </span>
Total = <span> <span> <span> 952.70</span></span></span>

Source:
http://www.1728.org/rate2.htm


4 0
3 years ago
Need this geometry answer
marta [7]
See its a straight line and the angle of straight line is 180

so according to this

7x+x-4 = 180
8x = 184
x= 23

therefore angle DBC 23-4 = 19

SO 19 IS THE ANSWER
5 0
3 years ago
What is the value of g(-9) for the function g(x) = x2 - x?
andrew-mc [135]

Answer:

<h3>72</h3>

Step-by-step explanation:

Given the function;

g(x) = x^2 - x

We are to find g(-9)

g(-9) = (-9)² - 9

g(-9) = 81 - 9

g(-9) = 72

hence the value of g(-9) is 72

4 0
3 years ago
What's the perimeter of the square of 5x+2​
Rudiy27

Answer:

10x + 8

Step-by-step explanation:

If the length of one side is 5x + 2, then the perimeter of the square is

4(5x + 2) = 10x + 8

6 0
3 years ago
Read 2 more answers
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