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slamgirl [31]
3 years ago
6

Which of the following properties did he use? Check all that apply

Mathematics
1 answer:
ad-work [718]3 years ago
3 0

What are all of your choices ?

You might be interested in
(a) Find the remainder when 15! is divided by 17. (b) Find the remainder when 2(26!) is divided by 29, Thatermine whether 17 is
dlinn [17]

Answer:

Step-by-step explanation:

a) We have 15! as the product of 1 to 15 natural numbers.  Since 17 is prime there will be no factor common to these

By actual division we find

15! (mod 17) =16

From this we deduce

even 16! mod 17 = 16 = -1

According to Wilson theorem

(17-1)! = -1 mod 17

Thus verified 17 is prime

Hence 15! (mod 17) =-1=16

-----------------------

b) 2(26!) is divided by 29

Since 29 is prime

(29-1)! = -1 mod 29

28! = -1 mod 29 = 28

When divided this gives 25 as remainder

4 0
3 years ago
What is the volume of a cube with a side length of 5?
larisa [96]

Answer:

125

Step-by-step explanation:

L x W x H

All are equal sides so 5 are all the lengths of each side of the cube.

6 0
3 years ago
If the measure of angle 4 is 11x and angle 3 is 4x , what is the measure of angle 3 in degrees?
fgiga [73]
<span>Answer:
   Let x = degree measure of the angle
    So, the complement of the angle has degree measure 90-x
    4/11 = x/(90-x)
    4(90-x) = 11x
    360 - 4x = 11x
    15x = 360
    x = 24°
    Supplement = 180 - x = 156° x/(180-x) = 24/156 = 2/13</span>
5 0
3 years ago
The weights of a certain dog breed are approximately normally distributed with a mean of μ = 55 pounds, and a standard deviation
weqwewe [10]

Answer:

(a)z=-1

(b)48.5 pounds

(c)61.5 pounds

Step-by-step explanation:

z-score=\dfrac{x-\mu}{\sigma}

Given:

Mean, μ = 55 pounds

Standard deviation,σ = 6 pounds.

(a)For a dog that weighs 49 pounds.

x=49 pounds

The z-score

=\dfrac{49-55}{6}\\=\dfrac{-6}{6}\\\\=-1

(b)When a dog has a z-score of -1.09

-1.09=\dfrac{x-55}{6}\\x-55=-6.54\\x=55-6.54\\x=48.46 \approx 48.5$ pounds (to the nearest tenth)

The weight of a dog with a z-score of -1.09 is 48.5 pounds.

(c)When a dog has a z-score of 1.09

1.09=\dfrac{x-55}{6}\\x-55=6.54\\x=55+6.54\\x=61.54 \approx 61.5$ pounds (to the nearest tenth)

The weight of a dog with a z-score of 1.09 is 61.5 pounds.

3 0
3 years ago
(10.05 LC)
loris [4]

Answer:

Cos x = \frac{base}{hypotenuse}=\frac{\sqrt{3} }{2}

Tan x = \frac{perpendicular}{base} = \frac{1}{\sqrt{3} }

Step-by-step explanation:

Sin x = \frac{perpendicular}{hypotenuse} = \frac{1}{2}

So, Perp = 1 and hyp = 2

<em>Putting this in Pythagorean theorem to get the base</em>

c^2 = a^2+b^2

a^2 = c^2-b^2

base ² = 4-1

base² = 3

<em>Taking square root on both sides</em>

Base = \sqrt{3}

Now

Cos x = \frac{base}{hypotenuse}=\frac{\sqrt{3} }{2}

Tan x = \frac{perpendicular}{base} = \frac{1}{\sqrt{3} }

5 0
3 years ago
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