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astraxan [27]
4 years ago
8

HELP ASAP PLZ!!!!!!!!!!!!!! THANKS IN ADVANCED :)

Mathematics
1 answer:
taurus [48]4 years ago
4 0
I think its the 30x + 20

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Really need help :( struggling
Scorpion4ik [409]

Answer:

B

Step-by-step explanation:

The original amount will be the coefficient of (1 + 0.04)^r which is $728.00.

6 0
3 years ago
Which factoring method would be best to factor x^2 - 9?
Vinil7 [7]

Answer:

  D.  difference of squares

Step-by-step explanation:

Both of the terms x^2 and 9 are squares, so their difference is the difference of squares. The factorization of that is a "special form" that can be usefully memorized.

  a^2 -b^2 = (a -b)(a +b)

  x^2 -9 = (x -3)(x +3)

8 0
3 years ago
6. A coupon offers $1.00 off the 16-ounce size. Which size is the better<br><br> buy then?
svlad2 [7]

Answer:

Both sizes are better because they cost Same.

Step-by-step explanation:

Consider the provided information.

A coupon offers $1.00 off the 16

            Quantity     Price

Pint           16           $3.98

Quart        32           $5.98

If he gets $1 off for the 16-ounce size. The price will be:

3.98-1=2.98

He needs to pay $2.98 for 16-ounce pint.

Now find which one is better by calculating the unit rate.

\frac{Cost}{weight}=\frac{2.98 }{16}\approx0.186

Therefore, the cost of 1lb would be $0.186

For Quart 32 find the unit rate as shown:

\frac{Cost}{weight}=\frac{5.98}{32}\approx0.186

Therefore, the cost of 1lb would be $0.186

Hence, both of the size are better as the unit rate is same.

4 0
4 years ago
When is a quadrilateral a parallelogram?
brilliants [131]
C. when opposite sides are congruent and parallel
6 0
3 years ago
The two rectangles above are similar. If a = 20 m, b = 30 m, and c = 30 m, what is the length of d?
galina1969 [7]

Answer:

20

Step-by-step explanation:

3 0
3 years ago
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