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Vesna [10]
2 years ago
11

Which two angles below are supplementary

Mathematics
1 answer:
ANEK [815]2 years ago
8 0

Answer:

41° and 139°

45° and 145°

Step-by-step explanation:

Supplementary angles refers to two angles which measures up to 180°.

Therefore, it is safe to say that, angle in supplementary angles = 180°

23° and 147°

= 23° + 147°

= 170°

Not supplementary

41° and 139°

= 41° + 139°

= 180°

Supplementary angle

30° and 60°

= 30° + 60°

= 90°

Not supplementary angle

45° and 145°

= 45° + 145°

= 180°

Supplementary angle

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E = {1, 2, 3, 4, 5, 6, 7, 8, 9
statuscvo [17]

Answer:

In the A circle: 1,3,8

In the B circle: 2

In the middle: 4,9

In the outside: 5,6,7

Hope this helps!

4 0
2 years ago
A certain motorcycle manufacturer has been building motorcycles for 98 years. Over that period, production has increased steadil
Reika [66]

Answer: The fraction would be 0.53.

Step-by-step explanation:

Since we have given that

r(t)=A.(1.05)^t

where, A is the constant initial production rate

t is the time.

For 98 years, the production rate in motorcycles per year would be

r(98)=A.(1.05)^{98}\\\\r(98)=A.119.27

For 13 years, the production rate in motorcycles per year would be

r(98-13)=r(85)=A.(1.05)^{85}\\\\r(85)=A.63.25

So, the fraction of their total production was built during the last 13 years would be

\dfrac{r(85)}{r(98)}=\dfrac{63.25}{119.27}=0.53

Hence, the fraction would be 0.53.

5 0
3 years ago
Mai's younger brother tells her that 10/7 equal to 2‾√ 2 2‾√ 2 . Mai knows this can't be right, because 10/7 is rational and 2‾√
makvit [3.9K]

Answer:

The number 10/7 is a rational number, which means it can be expressed as a fraction. Also, if we divide it would give a decimal infinite periodical number, which means it has a pattern on its decimal numbers.

On the other hand, the square root of 2 is irrational number, that means it can't be expressed as a fraction, because its decimal numbers don't have any pattern at all.

So, Mai's brother can see these type of numbers as crazy (irrational numbers) and sane (rational numbers).

At last, another important characteristic to shows that they aren't equal is that they don't have the exactly decimal numbers.

6 0
2 years ago
James has three iron rods. Rod A is 3 feet long, rod B is 8 feet long, and rod C is 13 feet long. If the full length of each rod
lana66690 [7]

Answer:

The three iron rods cannot be placed together to form a triangle.

Step-by-step explanation:

We have been given that James has three iron rods. Rod A is 3 feet long, rod B is 8 feet long, and rod C is 13 feet long. We are asked to determine whether the lengths of all rods can be used to form a triangle.

We will use triangle inequality theorem to solve our given problem.

Triangle inequality theorem states that sum of two sides of a triangle must be greater than 3rd side.

Using triangle inequality theorem, we will get inequalities as:

13+3>8...(1)

16>8...(1)

3+8>13...(2)

11>13....(2)

We can see that our 2nd inequality is not true because 11 is not greater than 13.

Since sum of two sides is not greater than 3rd side, therefore, the three iron rods cannot be placed together to form a triangle.

3 0
3 years ago
What is 2 49/100 as a decimal number?
Alchen [17]
2 49/100 in decimal form is 2.49 because a decimal in the one hundredths would be like this: 0.09 or 0.49, and the two is a whole number, so it would go before the decimal like this: 2.09 or 2.49.

Hope this helped:):)
4 0
3 years ago
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