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Nady [450]
3 years ago
11

Which of the following inequalities matches the graph?

Mathematics
1 answer:
inysia [295]3 years ago
3 0
X less than or equal to -7 is the answer. I drew a graph of what it should look like. The graph contains every value of x that is either equal or less than -7, which is the shaded part.



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HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
jolli1 [7]

Answer:

y = 5cos(πx/4) +11

Step-by-step explanation:

The radius is 5 ft, so that will be the multiplier of the trig function.

The car starts at the top of the wheel, so the appropriate trig function is cosine, which is 1 (its maximum value) when its argument is zero.

The period is 8 seconds, so the argument of the cosine function will be 2π(x/8) = πx/4. This changes by 2π when x changes by 8.

The centerline of the wheel is the sum of the minimum and the radius, so is 6+5 = 11 ft. This is the offset of the scaled cosine function.

Putting that all together, you get

... y = 5cos(π/4x) + 11

_____

The answer selections don't seem to consistently identify the argument of the trig function properly. We assume that π/4(x) means (πx/4), where this product is the argument of the trig function.

4 0
3 years ago
Read 2 more answers
In a library where the ratio of men to women is 1 to 1, _____ of the total members are men
kolbaska11 [484]
Wouldn't that be half, or 50%?

5 0
3 years ago
Read 2 more answers
I need help math homework plz plz thx lol 6th grade spread means range
olasank [31]

Step-by-step explanation

third one

7 0
3 years ago
Blueberries are $4.99 a pound. Diego buys b pounds of blueberries and pays $14.95.
Salsk061 [2.6K]

Answer: Diego buys about 3 pounds of blueberries, b

Step-by-step explanation: Lets write an equation to solve for b, how many pounds of blueberries he bought.

4.99b=14.95

Solve:

4.99b divided by 4.99 = 14.95 divided by 4.99

b = 3

6 0
3 years ago
What is the vaule of y
devlian [24]
Y is equal to 54. (B)

A triangle has a total degree of 180. Given that two of the angles are the same and the last angle is 72 degrees, you can subtract 72 from 180 to get 108. From there, You can divide 108 by 2 (because there are two equal parts) to get 54.
3 0
3 years ago
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