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Mariana [72]
2 years ago
13

PLEASE HELP IM ABOUT TO GO TO SCHOOL AND I NEED TO DO THIS!!!!!

Mathematics
2 answers:
REY [17]2 years ago
3 0
-22.55 i think i used a cal but all u do is subtract the percentage with the number
Valentin [98]2 years ago
3 0

Answer:

$12.65

Step-by-step explanation:

(45/100)*(23)=10.35

23-10.35=12.65

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step by step explanation:
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Lisa purchased a hat for $10, a purse for $20, and a book for $23. The sales tax rate was 7.2 percent. What was the total amount
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4 0
3 years ago
Read 2 more answers
Need help on this math problem​
erik [133]

Answer:

-5, 18, \sqrt{13}

Step-by-step explanation:

We can solve the first equation, f of -3. The value of the function f is \frac{1+x^2}{x+1}, and plugging in -3 gets us \frac{1+9}{1-3}, this results in 10 divided by negative 2, which is negative 5.

Now, we must solve g of negative one third. The function g is defined as |9x-15|. Plugging in negative one third into the question gets us |9(-\frac{1}{3})-15|

9 times negative one third is -3, and -3 minus 15 is -18. The absolute value of -18 is 18.

Now, we must solve h of negative 2, and h is defined as \sqrt{-3-8x}. Plugging in negative 2, we have \sqrt{-3-8(-2)}. Negative 8 times negative 2 is positive 16, and 16 minus 3 is 13. The answer is the square root of 13

7 0
2 years ago
When written in scientific notation, the number 4,500 will have a Choose... 2 4 3 as the exponent on the power of ten
nexus9112 [7]
The exponent would be 3.
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6 0
3 years ago
Find the distance between the points (-9,2) and (-1,4). Round to the nearest tenth if necessary.
AlekseyPX

Answer:

The answer to the nearest tenth is 8.2

Step-by-step explanation:

In order to find the distance between any two points, you must use the distance formula. when you plug in the points into the formula you end up with 8.246, rounded to the nearest tenth would be 8.2. I hope this helps!

8 0
3 years ago
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