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Alexxx [7]
3 years ago
14

X=2y+7 3x−2y=3 solve by substitution

Mathematics
1 answer:
vazorg [7]3 years ago
8 0

Answer: x= -2

Step-by-step explanation:

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In a trivia contest, players from teams and work together to earn as many points as possible for their team. Each team can have
seropon [69]

Answer:

The inequality for each quantity described is given as follows;

0 ≤ A + B + C + D + E ≤ 50

Step-by-step explanation:

The given information are;

The number of players each team can have = between 3 and 5

The maximum number of points a player can score in each round of the game = 10 points

The number of players in Elena's team = Elena + 4 = 5 players

The total number of points Elena's team earns at the end of the round is given as follows;

0 ≤ A + B + C + D + E ≤ 5 × 10

Where the variables A, B, C, D, and E are the points each of Elena and are  makes such that the minimum points is 0 + 0 + 0 + 0 + 0 = 0 and the maximum point is 10 + 10 + 10 + 10 + 10 = 5 × 10 = 50, which gives;

0 ≤ A + B + C + D + E ≤ 50.

8 0
3 years ago
Simplify. 4 × (8 + 5) + 9 45 46 61 62
Darya [45]

Answer:

61

Step-by-step explanation:

4 × (8 + 5) + 9

Parentheses first

4 × (13) + 9

Then multiply

52 +9

Then add

61

7 0
3 years ago
A sinusoidal function whose period is 1/2, maximum value is 10, and minimum value is -4, has a y-intercept of 3. What is the equ
nikdorinn [45]
Period of sin wave = 1/2
Period of parent sine function is 2π.

This means the x value of sine function (sin(x)) has to be divided by 4π to get a period of 1/2 because 2π/4π = 1/2

Thus, our function will be of the form: sin( \frac{x}{4 \pi })

Maximum Value = 10 
Minimum Value = -4

Amplitude of the function = (Maximum Value - Minimum Value)/2
So, amplitude of the function is 7 

Thus, the function will be of the form:

7sin( \frac{x}{4 \pi } )

The function has a y-intercept other than zero, this means the function will be of the form:

y=7sin( \frac{x}{4 \pi } )+k

The y-intercept is 3. This means for x=0, y=3. Using the values, we get:

3=7sin(0)+k \\  \\ 
3=k

Thus the equation of the sinusoidal function becomes:

y=7sin( \frac{x}{4 \pi } )+3

6 0
3 years ago
Please help me!!!!!!!!!!
Free_Kalibri [48]
The answer would be linear..
8 0
3 years ago
Find the given angle to the nearest degree.
Darina [25.2K]

Answer:

\alpha=44\°

Step-by-step explanation:

By definition, the tangent of an angle is the quotient between the side opposite the angle and the side adjacent to the angle

In other words:

tan(\alpha) = \frac{opposite}{adjacent}

In this triangle, the length of the side adjacent to the desired angle is 50, and the length of the opposite side is 48

So:

tan(\alpha) = \frac{48}{50}\\\\tan(\alpha)= 0.96

Finally

\alpha =arctan(0.96)\\\\\alpha=44\°

7 0
3 years ago
Read 2 more answers
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