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LenKa [72]
3 years ago
10

PLEASE HELP.

Mathematics
1 answer:
Jet001 [13]3 years ago
6 0

Answer:3/2

Step-by-step explanation:

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(115) the product of integers x, y, and z is even. is z even?
djyliett [7]
1. X/Y = Z

if x = 6, y = 2, then z = 3, not even

if x = 6, y = 3, then z = 2, even

<span>2. Z=XY </span>

so (z)^2 = 2*k (because x*y*z = 2k, where k is an integer)

<span>Sufficient, as if square of an integer is even ,then the integer is even</span>
5 0
3 years ago
Some one plz help me
Nitella [24]

The correct answer is D, since a rotation of 360 has no effect, since the figure does a whole turn and returns where it was.

3 0
3 years ago
Help me asap please how to find the measure of angle c​
Trava [24]

Answer: Angle C measures 132.5 degrees

Step-by-step explanation: What we have here is an irregular polygon with six sides. Two sides have been identified as 90 and 130. And the other sides are yet unknown. We shall start by computing the total sum of the interior angles of the six sided polygon.

The formulae for computing the interior angles of a polygon is given as (n - 2) x 180,

Where n stands for the number of sides of the polygon

Therefore in this diagram, sum of the interior angles equals

(6 - 2) x 180

= 4 x 180

= 720 degrees

That means the addition of all the given angles equals 720. This can be expressed as follows;

90 + 130 + (x + 10) + x + x + x = 720

220 + x + 10 + 3x = 720

By collecting like terms we now have

4x = 720 - 220 - 10

(Note that if a positive value crosses to the other side of an equation it becomes negative and vice versa)

4x = 490

Divide both sides of the equation by 4

x = 122.5

Therefore, since angle C is (x + 10)

C = 122.5 + 10

C = 132.5 degrees

7 0
3 years ago
Two systems of equations are shown below. The first equation in System B is the original equation in system A. The second equati
pantera1 [17]

Answer:

the answer is 4,3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
In a certain geographic area a heavy rainfall occurs on the average two times per three months. Find the probability that during
SVETLANKA909090 [29]
This is a Poisson Distribution
Average over 3 months = 2
Average over 1 month = 2/3
Average over 2 months = 4/3 = λ
More than four heavy rainfalls means 5, 6, 7,…
P(5) = (e^-λ x λ^5)/5! = 0.009257
P(6) = 0.002057
P(7) = 0.000392
P(8) = 0.000065
P(9) = 0.000010
P(10) = 0.000001
P(more than 4 heavy storms) = 0.01178 (4sf)
8 0
2 years ago
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