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LuckyWell [14K]
2 years ago
10

What is the difference in the sum of the exterior angles measures of a rectangular nonagon and a rectangular dodecagon?

Mathematics
1 answer:
Alenkinab [10]2 years ago
8 0
The sum of the exterior angles of ANY polygon = 360 degrees.So, the difference = 360 - 360 = 0.

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-16+2x= -64 what is the value of x
navik [9.2K]

Answer:

add 16 to both sides so it would 2x=-48 then you would divide 2 on both sides so it would be x=-24

Step-by-step explanation:

X=-24

3 0
3 years ago
Read 2 more answers
2.) I am a two-digit number that can be referred to as a perfect square. The sum of my two digits is 10. What number am I?
Scorpion4ik [409]

Answer: 64

Step-by-step explanation:

By definition, a perfect square is the square of a whole number.

The information given in the problem that you must keep on mind is:

- The number has two digits.

- The number is a perfect square ( Is obtained by squaring a whole number).

- The sum of its two digits is 10.

The number 64 is formed by the digit 6 and the digit 4. The sum of both digits is:

6+4=10

The number 64 can be written as:

64=8*8=8^2

Then, it is perfect square.

5 0
3 years ago
Which proportional statements are true for finding the<br> value of x? Check all that apply.
irina [24]

Answer:

2, 3 5

Step-by-step explanation:

7 0
3 years ago
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An agricultural researcher wishes to see if a kelp extract prevents frost damage on tomato plants. two similar small plots are g
Katyanochek1 [597]

Answer:

(E). only (a) and (c)

Step-by-step explanation:

H0 : p1 - p2 = 0

H1 : p1 - p2 ≠ 0

To indicate that difference exists between the two treatments, then we must reject the null and confidence interval must show that the difference between the two treatment is significant.

In other to use confidence interval to test for significance ; Intervals which do not contain 0 implies that difference exists and hence, the difference is significant.

The interval Given by : (-0.279, -0.035) is significant as the interval does not contain 0.

The interval Given by : (0.279, 0.035) is significant as the interval does not contain 0.

The interval Given by : (-0.279, 0.035) is not significant as the interval contains 0.

7 0
2 years ago
Year 8 maths Finding the rule using a table of values
Aleksandr [31]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (0, a) and (x₂, y₂ ) = (1, b)

m = \frac{b-a}{1-0} = b - a

y = (b - a)x + c

(a)

with coefficient of x being b - a

(b)

The line crosses the y- axis at (0, a ) ⇒ c = a

y = (b - a)x + a

3 0
3 years ago
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