Three of the angles of a quadrilateral are 53°, 127° and 72°. What is the size of the 4th angle?

Answers

Answer 1

Answer: The size of the fourth angel = 360 - ( 53 + 127 + 72 ) = 108

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The cost of 3 kg of apples and 6 kg of oranges is Rs 300. If the cost of 1 kg of oranges is Rs 30, find the cost of 8 kg of apples.

Answers

Answer:

Cost of 1 = 30

So cost of 8kg apples=8*30

=240

Step-by-step explanation:

-2 divided -0.25
4 divided 0.5

Answers

Answer:

-2/-0.25=8

4/0.5=8

Step-by-step explanation:

both of their answers are 8

- 2 divided by -0.25
4 divided by 0.5
Both of them equal 8

An item in a set is called a(n)

Answers

is called set element.........!!!!!!!!!!!

One angle is five less than three times the size of another angle. Together they have a sum of 143 degrees. What are the sizes of each angle?

Answers

Let the size of one angle be x
so the size of another angle = 3x-5
sum of the two angles = 143 degrees
so, x + 3x - 5 = 143
or, 4x = 143+5
or, x = 149/4 = 37.25 degrees
other angle = 3*37.25-5 = 106.75 degrees

let the another angle be x ,then first angle will be 3*x-5
according to the question
x + 3*x-5 =143'
x+3*x=143+5
4*x=148
x=148/4
x=37'
another angle = x =37'
first angle = 3x-5 = 3*37-5 = 111-5 = 106'

Seven people, named Anna, Bob, Chandra, Darlene, Ed, Frank, and Gina, will be interviewed for a job. The interviewer will choose two at random to interview on the first day. What is the probability that Anna is interviewed first, and Darlene is interviewed second?

Answers

Answer:

0.0238

Step-by-step explanation:

Total number of persons to be chosen from = 7

If each person has an equal probability of being selected ;

Number of persons to be selected = 2

Probability = required outcome / Total possible outcomes

P(Anna first) = 1 / 7

Recall; this is a selection without replacement ;

P(Darlene second) = 1 / 6

1/7 * 1/ 6 = 1 / 42 = 0.0238

An angle that shares the same sine value of an angle that measures 5pi/4 radians is located where?

Answers

Find the angle in degrees first:
Substitute 180 for pi.
(5 x 180) / 4
900 / 4
= 225 degrees
Now, the angle that has the same sin value of 225 is the angle's reference angle, or the angle that it makes with the x-axis.
225-180 = 45

45 is the angle that shares the same sin value

Answer: 45 degrees

Hope this helps :)

Answer:

quadrant 1

Step-by-step explanation:

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