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Tomtit [17]
3 years ago
7

Determine if the statement is always, sometimes or never true. The measure of an exterior angle at the vertex of a polygon equal

s the measure of the adjacent interior angle. always
Mathematics
1 answer:
jeka943 years ago
6 0

Answer:

I believe it is never

Step-by-step explanation:

Sorry if I'm wrong ...

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What is the additive identity of rational number​
Burka [1]

Answer:

zero(0)

Step-by-step explanation:

The additive identity of a set of number is a number such that the its sum with any of the numbers in the set would give a result that is equal to the number in that set.

In other words, say for example the set of numbers is rational, the additive identity of rational numbers is 0. This is because, given any rational number say <em>x</em>, adding zero to the number <em>x</em> gives the same number <em>x. </em>i.e

x + 0 = x

If x is say 2, then we have;

2 + 0 = 2

Since adding zero to rational numbers gives has no effect on the numbers, then zero (0) is the additive identity of rational numbers.

<em></em>

3 0
3 years ago
URGENT, PLEASE HELP! (3/5) -50 POINTS- !please no wrong answers for the points.! A) <img src="https://tex.z-dn.net/?f=y%20%3D%20
shtirl [24]

Answer:

B y = -1/2x + 7/2

Step-by-step explanation:

We know that it has a negative slope since the points go from the top left to the bottom right

We can eliminate A and D

The y intercept is where it crosses the y axis

It should cross somewhere between 2 and 4

C  has a y intercept of 9 which is too big

Lets verify with a point

x = -4

y = -4(-4)+9 = 16+9 = 25  (-4,25)  not even close to being near the points on the graph

checking B

y = -1/2 (-4) +7/2

  = 2 + 7/2 = 11/2 = 5.5  it seems  reasonable

5 0
3 years ago
Read 2 more answers
Which expression represents the sum of (2x-5y and (x+y) ?
gayaneshka [121]
I have no clue you have to do something like x2-x1 over y1-y2 and you get yoyu answer from that. 
8 0
3 years ago
A local appliance store advertised a “10% off sale” on ovens. Mrs. Jones found an oven she liked that cost $560 before the sale.
KIM [24]

Answer:

504 dollares 56 dollars off

Step-by-step explanation:

3 0
2 years ago
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The difference between John and
ddd [48]

Answer:

$46,130,75 or $43,869.25

Step-by-step explanation:

8 0
2 years ago
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