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mylen [45]
4 years ago
7

When solving

Mathematics
1 answer:
Delvig [45]4 years ago
4 0

Answer:

addition property of equality.

Step-by-step explanation:

4(3 x^2 + 2) - 9 = 8 x^2 + 7

We can add 9 to each side, by using the addition property of equality.

a=b  then a+c = b+c

You might be interested in
What is the sum of the 12th square number and the 10th square number?
ivann1987 [24]

Answer:

12^2 is 144 and 10^2 is 100 :)

Step-by-step explanation:

12 * 12 = 144

10 * 10 = 100

5 0
3 years ago
Would you say that pythagoras’ theorem holds true for hexagons as well? why or why not
kifflom [539]
No, the Pythgorean Theorem only applies to right triangles. To get two right triangles, you divide a rectangle diagonally. Dividing a hexagon into two pieces produces trapezoids or pentagons depending where it is divided. 
7 0
4 years ago
Dillon pays x dollars to get a haircut. He gives the stylist a
Svetlanka [38]

Answer:

C. 1.2x

Step-by-step explanation:

He pays 1 x for his haircut, and an additional 20% on top of that, or an additional 0.2x. If you write that as an expression, you can simplify it like this:

1x+0.2x\\1.2x

You can also work it out by multiplying by 1.2 as stated in answer C. If his haircut costs $10, adding a 20% tip of $2 is the same as multiplying by 1.2.

10\times1.2=12

3 0
2 years ago
What number should be added to both sides of the equation to complete the square?<br> x^2+ 8x = 4
Sonbull [250]

Answer:

16

Step-by-step explanation:

use the formula (b/2)^2 to find what number to add to each side of the equation

3 0
3 years ago
How many pieces 8 7/8 in long can be cut from a piece of 36 ft stock ? allow 3/16 in kerf
Taya2010 [7]

36÷ 8 7/8 = 4 4/71 or (Decimal: 4.056338)




7 0
3 years ago
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