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Step2247 [10]
3 years ago
14

Evaluate/simplify this problem (3 - 3i)(-6 + 3i)

Mathematics
2 answers:
mezya [45]3 years ago
6 0
Multiply using the foil method, then combine. This will give you -9+27i
igor_vitrenko [27]3 years ago
4 0
-18+9i because if you use the foil technique then this would be your answer

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It takes 36 nails to weigh one pound. How many nails would it take to weigh 7 wholes and 2/3 pounds?
o-na [289]
36 * 7  gives you the number of nails in the whole pounds
36 * 2/3 gives you the fraction part

7 * 36 = 252
2/3 * 36 = 24

Total nails = 252 + 24 = 276 nails
5 0
3 years ago
Rosa climbs a 16-meter tower to ride a straight water slide. After landing in the slash pool, she walks 9 meters back to the bas
erastova [34]

Answer:

The length of slide is 18.36 meters

Step-by-step explanation:

The given scenario forms a right-angled triangle where

The height of tower id perpendicular, the distance between slash pool and base of tower is base and the length of slide will be hypotenuse.

Height of tower = h = 16 meters

Distance between slash pool and base of tower = b = 9 meters

Length of slide = s = ?

As it is a right angled triangle, we can use Pythagoras theorem to find the length of slide

Pythagoras theorem states that:

(Hypotenuse)^2 = (Base)^2+(Perpendicular)^2\\s^2 = b^2+h^2\\s^2 = (9)^2+(16)^2\\s^2 = 81+256\\s^2 = 337\\s^2 = 18.36\ meters

Hence,

The length of slide is 18.36 meters

4 0
2 years ago
What’s the product of -4ab and 6b
mote1985 [20]
-24ab^2

Is the answer

Hope this helps.
7 0
3 years ago
Read 2 more answers
If you removed 1/4" of stock from a 1" piece of wood, what would you have remaining?
stellarik [79]
3/4” of a inch of stock is left
4 0
3 years ago
In a right triangle, the legs have lengths of 8 and 15. What is the perimeter of this triangle?
den301095 [7]

Answer:

40

Step-by-step explanation:

Use Pythagorean Theorem to find the 3rd side, which will be 17. Then add all of the sides and you'll get the answer.

7 0
3 years ago
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