2 years ago

Question 6 of 10

Mathematics

1 answer:

EleoNora [17]2 years ago

6 0

Answer:

B. What must be true.

Step-by-step explanation:

hope that helps :)

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State the opposite value of the number:<br> a. 1 ______<br> b. 2______<br> c. 15______

Sergio [31]

A. -1

B. -2

C. -15

This is the anwser

5 0

3 years ago

Two planes are the same altitude. From the airport , one plane is 50 km away in the direction of N°60 E and another is 80 km awa

djverab [1.8K]

9514 1404 393

Answer:

78.5 km

Step-by-step explanation:

Measured at the airport, the angle between the two planes is ...

180° -60° -50° = 70°

The law of cosines tells us the distance between the planes is ...

d = √(50² +80² -2·50·80·cos(70°)) ≈ √6163.84 ≈ 78.5 . . . km

The planes are about 78.5 km apart.

6 0

2 years ago

HELP ASAP SHOW YOUR WORK AND EXPLAIN HOW YOU GOT YOUR ANSWER-NO LINKS OR JOKING AROUND

aivan3 [116]

Answer:

x = 7

Step-by-step explanation:

Rearrange the equation to make x the subject.

Original:

7x + 3 = 52

subtract 3 from both sides

7x = 52 -3

7x = 49

Divide both sides by 7

x = 49/7

x = 7

3 0

2 years ago

A^2+12a-7-3a^2-5a+8 what answer

Sindrei [870]

Ur answer is: -2a² + 7a + 1

5 0

2 years ago

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Which expression can be used to find the number of liters in 15 quarts?

4vir4ik [10]

Answer:

15 liters = 15.85035 quarts

Step-by-step explanation:

1 liter = 1.05669 quarts

15 liters = 1.05669*15

7 0

3 years ago

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