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wlad13 [49]
3 years ago
14

- A square rug has an area of 49x^2-56x+16.

Mathematics
1 answer:
CaHeK987 [17]3 years ago
8 0

(49x^2 - 56x + 16) - (16x^2 + 24x + 9)

49x^2 - 56x + 16 - 16x^2 - 24x - 9

33x^2 - 80x + 7

You could simply subtract the numbers as is, which I've shown above. Or, you may be able to factor first, then subtract.

Hope this helps!! :)

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2% of 350 is what number?
weeeeeb [17]

Answer:

7

Step-by-step explanation:

An easy way to find any percentage of a number is to multiply with decimals. To do this you have to first convert the percentage to a decimal. Do this by moving the decimal point in the percentage 2 places to the left. This means that 2.0% becomes 0.02. Then, multiply this decimal by the whole number. So, 0.02*350. This equals 7, which is 2% of 350.

This same trick will work with any problem. For example 38% of 435 is the same as 0.38*435, which equals 165.3.

6 0
2 years ago
Read 2 more answers
For the school play, tickets cost $9.50 for adults and $3 for kids under 12. What would be the total cost for 8 adult tickets an
saul85 [17]

Answer:

  • $139
  • 9.5aa +3kk

Step-by-step explanation:

<h3>a)</h3>

8 adult tickets cost 8($9.50) = $76

21 kids tickets cost 21($3) = $63

The total cost of these tickets is $76 +63 = $139.

__

<h3>b)</h3>

aa adult tickets cost 9.50aa

kk kids tickets cost 3.00kk

The total cost of these tickets is 9.50aa +3.00kk.

_____

<em>Additional comment</em>

We ordinarily expect a variable to be a single letter. This problem statement defines each variable using a double letter, so that is what we have used. (Sometimes Brainly doubles up variable content in copied text, so we suspect that may have happened here.)

4 0
2 years ago
What is the equation for (4, 9.4) and (-3, -9.5)
Kipish [7]

Answer: I got an eqaution I hope it is basic

Step-by-step explanation:

4 times 9

9 - (-3 ) times -9 + 5

8 0
2 years ago
NEED HELP ASAP WILL GIVE BRAINLY IF CORRECT
Rama09 [41]

Answer:

I think it's the 3rd one but tell me if I'm wrong

7 0
3 years ago
Read 2 more answers
Help me ???? Really need the help i dont remember learning this
vlada-n [284]
Hmmmm

the 1 in 435.15 is worth 0.1 or 1/10


1/10 of 1/10 is 1/10 times 1/10 or 1/100 or 0.1/10 or 0.01/1 or 0.01

so we want one with the 1 that is 2 spaces to the right of the decimal
that is choice H
remember, when you divide by 10, move the decimal to the left 1 space

H is the answer
4 0
3 years ago
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