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frozen [14]
3 years ago
14

write a function for this table -- urgent -- I'm putting all my points into this!!!! -- bad answers reported! -- no explanation

necessary

Mathematics
1 answer:
viktelen [127]3 years ago
8 0

Answer:

3x^{2} -3x-6

Step-by-step explanation:

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The parallel boxplots below display the quiz grades (out of 30) for two of Mrs. Smith’s statistics classes.
stich3 [128]

Answer:

The quiz grades for class 1 have more variability than the quiz grades for class 2.

Step-by-step explanation:

8 0
3 years ago
can anyone help tech me how to solve for tax and tip. im going to 6th grade and trying to get into the advanced group but I don'
baherus [9]

If something isn't clear or you're still confused about, let me know in the comments.

Step-by-step explanation:

Okay, here's my best try.

Suppose you have a bill for $8.45

If you are asked to add, say, 8% tax, you must calculate 8 percent of 8.45 and then add it to 8.45.

Begin by converting 8% to decimals by dividing by 100.

\frac{8}{100}=0.08 8% is 0.08 in decimal form.

To calculate a percentage of a number, you multiply the decimal percent by the number; example:

0.08(8.45) 8.45 is being multiplied by 0.08. The result is: 0.676. (this is the tax; however you have to round up to two decimal places: $0.68)

After finding the tax amount, if you are asked to add it to the bill, you have to add it to the original bill; in this case, $8.45

This would be: 0.68+8.45=9.13.

Therefore, the total bill after tax is for $9.13

----------------------------------------------------------------------------------------------------

With tips is the same thing, however, you can have 2 situations.

Situation 1: You are asked to calculate 15% tip of total bill.

In this situation, you can do the same we do to calculate tax.

Convert the percentage to decimal by dividing by 100.

\frac{15}{100}=0.15

and multiply it by the original bill.

0.15(8.45)=1.2675. Rounding up, this would be $1.27 for tip.

If you were to add it to the original bill, simply sum.

8.45+1.27=9.72

The total bill after tips is for $9.72

Situation 2: You are asked to calculate 15% tip of the total bill with a tax of 8% included.

In this situation, you must first calculate the total bill with the tax added, like we did above; we got a bill for $9.13 (Tax included)

Then you can calculate 15% tip of this new bill that has tax included.

Convert

\frac{15}{100}=0.15

Multiply by the new bill (because this is the one that includes tax)

0.15(9.13)=1.3695 Round up.... $1.37 for tips.

If you are asked to give a total amount of money including tax and tips, add this to the bill.

9.13+1.37=10.50

This bill would be for $10.50

3 0
3 years ago
Find the area of the figure.<br> triangle with base 275 m and height 4.8 m
attashe74 [19]

Answer:

1320

Step-by-step explanation:

calculator

5 0
3 years ago
Read 2 more answers
How many numbers between 1 and 1000 do not contain the digits 8, and 9 ?
sammy [17]

Answer:

998

Step-by-step explanation:

I haven't included the <em><u>1</u></em> or the <em><u>1000</u></em>

6 0
3 years ago
Read 2 more answers
Simplify the expression.
levacccp [35]
Hi there! The answer is 30.

We need to use PEMDAS to simplify.
P = parenthesis
E = Exponents
M = Multiply
D = Dividing
A = Adding
S = Subtracting

10(4 \times 10 \div ( {6}^{2} - {4}^{2} ) + 1)
First find the exponents inside the middlest parenthesis.

10(4 \times 10 \div (36 - 16) + 1)
Now add inside the parenthesis.

10(4 \times 10 \div 20 + 1)
Multiply inside the parenthesis that are left.

10(40 \div 20 + 1)
Divide inside the parenthesis

10(2 + 1)
Add inside the parenthesis.

10(3)
Multiply.

30
~ Hope this helps you!
4 0
3 years ago
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