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Paladinen [302]
3 years ago
6

What is (7-3b)(7+3b)

Mathematics
1 answer:
lidiya [134]3 years ago
8 0
The answer i got was 49-9b^2
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Find the Area please help me
Serggg [28]

Step-by-step explanation:

Area for a right angle triangle = 1/2 bh

b = Base

h = Height

A = 1/2×bh

= 1/2 × 2c^3d^2 × 4c

= (2c^3d^2 × 4c) / 2

= c^3d^2 × 2c

= 2c^4 × d^2

7 0
2 years ago
What is the answer for this question -12(-3)+7
julsineya [31]
-12(-3) + 7

First, simplify 12 × (-3) to get -36. / Your problem should look like: 36 + 7
Second, add 36 + 7. / Your problem should look like: 43

Answer: 43

7 0
3 years ago
To solve m + 9 = 45, should you add or subtract 9 from both sides of the equation
Lena [83]

Answer:

subtract 9 from both sides

Step-by-step explanation:

m + 9 = 45 ( subtract 9 from both sides )

m = 36

8 0
2 years ago
Read 2 more answers
Which of the following equations has a solution that is negative?
drek231 [11]

Answer:

b. – 0.4(x + 1.6) = 1.6

Step-by-step explanation:

3 0
2 years ago
Unit 11 Homework 1: Area of Plane Figures
iren2701 [21]

Answer: 4. 432 cm^2/2 = 216 cm^2

6. 309.76 mm^2

8. pi * 22^2 = 484pi (or, approximately 1,519.76) in^2

484/2 = 242pi or 759.88 in^2.

10. 297.84 in^2/2 = 148.92 in^2

Step-by-step explanation:

To find the area of a triangle, you take the base and multiply by the height, and then divide by 2. Hence giving me the answers I obtained in #4 and #10.

A square is equal on all sides, so you would just square the measurement of the one side.

To find the area of a circle, you would do pi times the radius^2. Since this is a semicircle, you actually should divide the number you got by 2. (Which is why I did so up above).

4 0
3 years ago
Read 2 more answers
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