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3 years ago

Select the correct name for the following line.

Mathematics

2 answers:

Sauron [17]3 years ago

6 0

Answer:

Option A is the correct choice.

Step-by-step explanation:

We have been given a graph of a line and we are asked choose the correct name for our given line.

We can see that option A represents the line AB. As our given line in going infinitely in both directions, so name of our given line will be line AB and option A is the correct choice.

Option B represents the lent segment AB, since our line goes in both directions, so option B is not a correct choice.

Option C represents ray AB as ray goes only into one direction and our given line is going infinitely into both directions, therefore, option C is not a correct choice as well.

klio [65]3 years ago

4 0

It's the first choice

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39. Tugboat A and Tugboat B are pulling a barge. Each tugboat is connected to the barge via a

Rama09 [41]

Answer:

$26.903^{\circ}$

Step-by-step explanation:

a = 77 m

b = 72 m

c = Distance between the tugboats = 35 m

$m\angle C$ = Angle between the cables

$c^2=a^2+b^2-2ab\cos C\\\Rightarrow m\angle C=\cos^{-1}\dfrac{c^2-a^2-b^2}{-2ab}\\\Rightarrow m\angle C=\cos^{-1}\dfrac{35^2-77^2-72^2}{-2\times 77\times 72}\\\Rightarrow m\angle C=26.903^{\circ}$

The angle formed between the cables is $26.903^{\circ}$ .

8 0

2 years ago

A runner, training for a competition, ran on a track every day for 10 weeks. The first week he ran 8 kilometers each day of the

Levart [38]

Answer:

Total = 686000 meters for 10 weeks 7 days a week.

Step-by-step explanation:

Let's solve this by doing the increase on just 1 training day per week. Then we can find the grand total for 7 days a week by multiplying by 7

a = 8000

n = 10

d = 400

Sum = (a + L)*n/2

L = a + (n - 1)*d
L = 8000 + (10 - 1)*400
L = 8000 + 9*400
L = 8000 + 3600
L = 11600 meters

Sum = (8000 + 11600)*10/2

Sum = 19600 * 10/2

Sum = 98000 meters.

This total represents 1 training day a week.

The total amount is 7 times this figure.

Total = 7 * 98000 = 686 000 meters.

3 0

3 years ago

What is the answer to 2.50 divide into 21.50

Svetllana [295]

Answer:

0.11627907

Step-by-step explanation:

5 0

3 years ago

Solve the quadratic equation by completing the square.

kicyunya [14]

X2 = 5.59 or x1 = 8.41 also for the top it’s the second one (x - 7)^2 = 2

7 0

2 years ago

John's salary last year was $80000. Last year he got a raise of 10%. This year the company lost money and his salary was cut bac

Varvara68 [4.7K]

Answer:

9.09%

Step-by-step explanation:

John Salary = $80,000.

Raise = 10% of salary = 10/100*80,000=$8000

New Raised Salary = 80000 + 8000 = $88000

Cut back = 80000

Decrease % = (88000-80000)/88000*100

Decrease % = 8000/88000*100

Decrease % = 9.09%

8 0

3 years ago