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timurjin [86]
2 years ago
13

Help please and thank you no bots please

Mathematics
1 answer:
I am Lyosha [343]2 years ago
8 0

Answer:

Step-by-step explanation:

midline: any point along the line y = -5

- (-2pi, -5)

- (0, -5)

- (2pi, -5)

maximum: (pi, -2)

minimum: (-pi, -8)

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The weight Wkg of a metal bar varies jointly
maria [59]

Answer:

d = \sqrt{\frac{216W}{35L} }

Step-by-step explanation:

Given that W varies jointly as L and d² then the equation relating them is

W = kLd² ← k is the constant of variation

To find k use the condition W = 140 when d = 4 and L = 54, thus

140 = k × 54 × 4² = 864k ( divide both sides by 864 )

\frac{140}{864} = k , that is

k = \frac{35}{216}

W = \frac{35}{216} Ld² ← equation of variation

Multiply both sides by 216

216W = 35Ld² ( divide both sides by 35L )

\frac{216W}{35L} = d² ( take the square root of both sides )

d = \sqrt{\frac{216W}{35L} }

6 0
3 years ago
Gabby sells candy bars for $ 1 dollar each, and Twizzlers for 25 cents each. For every dollar she earns she gives 10 cents to ch
emmainna [20.7K]

Answer:

$47.925 for herself.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Solve x2−4x−12=0 by completing the square. A x=−2 B x=−6 or x=2 C x=−2 or x=6 D x=−6
MrRissso [65]

Answer:

B x=-6

x=2

Step-by-step explanation:

8 0
2 years ago
Evaluate the expression for a = 5, b = 11, and c = 3. 2a + 2c(b − 5) A. 64 B. 46 C. 54 D. 163
Artemon [7]

2a +2c(b-5)

substitute a=5 b=11 c=3

2(5) +2(3) (11-5)

10+6(6)

10+36

46

Choice B


8 0
2 years ago
Find the equation of a line with an x-intercept at (-3,0) and y-intercept at (0,-6)
stepan [7]

The answer would be in a coordinate plane between quadrant 2 and 3.

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