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Naddik [55]
2 years ago
12

(x-3)^(2)-(x+1)^(2) Remove the brackets and simplify

Mathematics
2 answers:
Alex2 years ago
8 0

Answer:

The correct answer to your question is -8

Dominik [7]2 years ago
7 0

Answer:

- 8x + 8

Step-by-step explanation:

(x - 3)² - (x + 1)² ← expand factors using FOIL

= x² - 6x + 9 - (x² + 2x + 1) ← distribute parenthesis by - 1

= x² - 6x + 9 - x² - 2x - 1 ← collect like terms

= - 8x + 8

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Find the length of side s to the nearest tenth.
bulgar [2K]

Answer:

  10.3

Step-by-step explanation:

The triangle can be solved from one side and two angles by using the angle sum theorem to find the third angle, then using the Law of Sines to find the remaining sides.

The angle at T is ...

  180° - 119° -36° = 25°

The law of sines tells us side s will be ...

  s/sin(S) = t/sin(T)

  s = sin(119°)×5/sin(25°) . . . . multiply by sin(S)

  s ≈ 10.34763

  s ≈ 10.3

__

<em>Additional comment</em>

  u/sinU = t/sin(T)

  u = sin(36°)×5/sin(25°) ≈ 6.95409

5 0
2 years ago
A machine covers 5/8 square foot in 1/4 hour. what is the unit rate?
Ilia_Sergeevich [38]

we know that

<u>Unit Rate</u> is the ratio of two measurements in which the second term is one

so

to find the unit rate divide (5/8) by (1/4)

Unit\ rate=\frac{(5/8)}{(1/4)}= \frac{5}{8}*4= \frac{2.5}{1} =2.5 \frac{ft^{2}}{hour}

therefore

<u>the answer is</u>

The unit rate is 2.5 \frac{ft^{2}}{hour}

4 0
4 years ago
Jason wants to buy a game that cost $20. He earns $2 every time he washes the
Reika [66]

Answer:

7

Step-by-step explanation:

10 x 2 = 20

10 - 3 = 6

7 0
3 years ago
The temperature in St. Louis is 31 degrees. The temperature in Duluth is -29 degrees. Is the temperature in St. Louis or Duluth
Katena32 [7]

Answer:

The temperature in Duluth is closer to zero

Step-by-step explanation:

-29,-28,-27,-26,-25,-24,-23,-22,-21,-20,-19,-18,-17,-16,-15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31

-29<31

8 0
4 years ago
Read 2 more answers
A flag measures 150 feet by 75 feet. Find its area​
Mazyrski [523]

Area = length x width

Area = 150 x 75

Area = 11,250 square feet

3 0
3 years ago
Read 2 more answers
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