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Lostsunrise [7]
3 years ago
11

Solve the system of linear equations.

Mathematics
1 answer:
RoseWind [281]3 years ago
4 0

Answer:

1. No solution

2. Infinite solutions

Step-by-step explanation:

1. To solve the system, set the equations equal to each other and solve for x.

2x - 5 = 2x + 7

-5 = 7

This is a false statement. This means there is no solution.

2. To solve the system, graph each equation.

y = -3/4 x - 5/2 has a y-intercept -5/2 and slope -3/4.

3x + 4y = -10 converts to y = -3/4x -5/2.

This graphs as the exact same line. This system has infinite solutions.

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Write the solution to the given inequality in interval notation.
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Answer:

The answer should be C.

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3 years ago
Find the exact values of all three trigonometric functions for each angle.
My name is Ann [436]

Answer:

Sin (270º)= -1

Cos (270º) = 0

Tan (270º) = -∞

Sin (330º) = -0.5

Cos (330º) = \frac{\sqrt{3} }{2} = 0.8660

Tan (330º) = - \frac{\sqrt{3} }{3} \\ = -0.57735

Step-by-step explanation:

3 0
3 years ago
Is 16.45 greater than, less than or equal to 16.454
vampirchik [111]
<span>16.45 is less than 16.454. The reason is because 16.454 is 4 thousandths more than 16.45 assuming that both numbers are exact numbers. Although it is only a small amount it still makes 16.45 less than 16.454.</span>
4 0
3 years ago
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A few students conducted a study on how many peanuts it would take to completely fill a jar. They had the following data to help
Marizza181 [45]

Answer:

370 peanuts

Step-by-step explanation:

65/108 = 0.60185

90/150 = 0.6000

In each case, the number of peanuts is either exactly or very close to 60% of the volume.

A cylinder with radius 3.5 cm and height 16 cm has volume:

V = (pi)r^2h

V = (3.14159)(3.5 cm)^2(16 cm)

V = 615.752 cm^3

We take 60% of the volume to estimate the number of peanuts.

60% * 615.752 cm^3 = 369.451

Answer: 370 peanuts

8 0
2 years ago
If f(x) = x2 and g(x) = x + 1, what is (fºg)(2)?
zepelin [54]

Answer:

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g(2)

2+1=3

g(2)=3

f(3)

3²=9

f(3)=9

the answer is 9

5 0
3 years ago
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