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allochka39001 [22]
3 years ago
5

11.

Mathematics
1 answer:
g100num [7]3 years ago
7 0

Answer:

You spend $55.78 more buying luxury items then store brand items.

Step-by-step explanation:

You have to add up all the items costs for the store branded items. And then you have to add up all the items costs for the luxury branded items. Then you subtract the luxury item costs, from the store brand items and you get, $55.78.

I HOPE THIS HELPED YOU!!!!

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Expand and simplify: (x-5)(x+5)
stealth61 [152]
X^2-5x+5x-25 (multiply (x-5) with (x+5))
X^2-25 ( -5x+5x =0)





5 0
3 years ago
Read 2 more answers
What is the value of the numerical expression 5/8-5/12(3-1/4)+2/3
vlabodo [156]
Make bottom numbers same
find least common multipules of 8,12,4 and 3
8=2 times  2 times 2
12=2 times 2 times 3
4=2 times 2
3=3
lcm=2 times 2 times 2 times 3=24

5/8 times 3/3=15/24
5/12 times 2/2=10/24
3/1 times 24/24=72/24
1/4 times 6/6=6/24
2/3 times 8/8=16/24
we now have
15/24-10/24(72/24-6/24)+16/24
pemdas
simplify parenthasees first
72/24-6/24=66/24

now we have
15/24-10/24(66/24)+16/24
multiply
15/24-660/576+16/24
make same bottom number
15/24 times 24/24=360/576
16/24 times 24/24=384/576
360/576-660/576+384/576
84/576
7/48

answer is 7/48
3 0
3 years ago
Simplify the expression <br>16+(-5)-2/5j-4/5j+6​
stiks02 [169]

Answer:

17 - 6j / 5

Step-by-step explanation:

8 0
3 years ago
How do you calculate an antilog?<br>eg: antilog 2.1423​
frosja888 [35]

9514 1404 393

Answer:

  138.77

Step-by-step explanation:

Your scientific or graphing calculator will have exponential functions for bases 10 and e. On the calculator shown in the first attachment, they are shifted (2nd) functions on the log and ln keys. Consult your calculator manual for the use of these functions.

The value can be found using Desmos, the Go.ogle calculator, or any spreadsheet by typing 10^2.1423 as input. (In a spreadsheet, that will need to be =10^2.1423.) The result using the Go.ogle calculator is shown in the second attachment.

You can also use the y^x key or the ^ key (shown to the left of the log key in the first attachment). Again, you would calculate 10^2.1423.

__

We have assumed your log is to the base 10. If it is base e (a natural logarithm), then you use the e^x key instead. Desmos, and most spreadsheets, will make use of the EXP( ) function for the purpose of computing e^( ). You can type e^2.1423 into the Go.ogle calculator.

_____

<em>Additional comment</em>

There are also printed logarithm tables available that you can use to look up the number whose log is 0.1423. You may have to do some interpolation of table values. You should get a value of 1.3877 as the antilog. The characteristic of 2 tells you this value is multiplied by 10^2 = 100 to get the final antilog value.

The logarithm 2.1423 has a "characteristic" (integer part) of 2, and a "mantissa" (fractional part) of 0.1423.

8 0
2 years ago
During the two hours of the morning rush from 8 a.m. to 10 a.m., 100 customers per hour arrive at the coffee shop. The coffee sh
neonofarm [45]

Answer:

Time to serve the customer arriving at 10 a.m. = T × (Demand/Capacity - 1)

2 * (100/80 - 1) = 0.5

The customer arriving at 10 a.m. would have to wait 0.5 hours to be served.

3 0
3 years ago
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