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yuradex [85]
3 years ago
15

SOMEONE HELP PLEASE! 40 POINTS!!!! Answer these questions: 1. The relation {(-1, 4), (2, 7), (3, 7)} is a function. True False 2

. The function {(1, 4), (2, 5), (3, 6)} has the function rule y = 3 x + 1. True False 3. What is the value of the 11th term in the sequence -3, -6, -12, -24, ...? -6,144 -118,098 -3,072 -354,294 4. All of the following statements describe the relation shown except _____. The diagram represents a function. The inputs are {-1, 0, 3, 4}. The outputs are {-2, -1, 1}. This relation could also be represented as {(-1, 1), (0, -2), (3, 1), (4, -1)}. 5. What is the function rule represented by the following table? x y 0 3 1 -1 2 -5 y = -2 x + 1 y = -3 x y = -2 x - 1 y = -4 x + 3
Mathematics
1 answer:
DerKrebs [107]3 years ago
5 0

Answer:

1. True

2. False

3.-48

4. This relation could also be represented as {(-1, 1), (0, -2), (3, 1), (4, -1)}

5. can you please put the points in parentheses becasue I cannot tell which pair is which. If you rephrase it I will comment the anwer

Step-by-step explanation:

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Solve by using related function 1/2x^2 -2=0
Thepotemich [5.8K]

Answer:

1/2x^2-2=0

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x=2,-2

4 0
3 years ago
A 25 ft ladder leans against a building. The ladder’s base is 13.5 feet from the building. Find the angle of elevation, which th
Goryan [66]

Answer:

57.3°

Step-by-step explanation:

A 25 feet ladder leans against a building.

The ladder's base is 13.5 feet from the building.

The ladder, the wall of the building and the ground form a right-angled triangle of:

Hypotenuse = 25 feet

Base = 13.5 feet

We are to find the angle of elevation which the ladder makes with the ground (or rather the angle created by hypotenuse and base)

Let's say the angle = X°

According to a trigonometric equation;

cos X° = adjacent side ÷ hypotenuse = \frac{13.5}{25} = 0.54

cos ^{-1} X = 57.5=3° (Answer rounded up to nearest one decimal place).

∴ The angle of elevation = 57.3°

4 0
3 years ago
A garrison of 120 people had provisions for 30 days. If 20 people leave the garrison after 10 days, how long does the remaining
stiv31 [10]

Answer:

24 days

total units = 120* 30 = 3600

used after 10 days =  120*10 = 1200

remaining units after 10 days = 3600-1200 = 2400

2400/100 people = 24 days that the provisions will last

Step-by-step explanation:

6 0
3 years ago
Find the volume of the sphere. Round your answer to the nearest tenth.use 3.14 for pi. Radius of 2.6 meters
LenaWriter [7]
Volume of a sphere = 4/3(3.14)(2.6)^3

Raise 2.6 to the third power and substitute it in the equation

Multiply that number by 3.14

Whatever your answer is, times it by 4

Then divide that answer by 3

Hope this helps !
4 0
3 years ago
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Virty [35]

Answer:

136

Step-by-step explanation:136 The angles are vertical angles and vertical angles are equal

8 0
3 years ago
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