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Studentka2010 [4]

3 years ago

15

Sally pays $38 per hour for dance class after paying the enrollment fee of $100. Identify the constant of proportionality that r

elates her dance class charges (y) to the number of hours (x) she goes to class.
A) x
B) y
C) $38
D) $138

1 answer:

lakkis [162]3 years ago

8 0

C because y=mx+b and the constant is the slope which is m. The equation is y =38x+100

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Factor the polynomial

WARRIOR [948]

3x⁶y² + 57x⁵y³ + 252x⁴y⁴
= 3x⁴y²(x² + 19xy + 84y²)
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= 3x⁴y²(x(x + 12y) + 7y(x + 12y))
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5 0

4 years ago

I don’t understand so please HELPPPPPPPPPPPPPP

marysya [2.9K]

Answer:

C

Step-by-step explanation:

Okay so im going to gudie you thru So what it is asking you is to Count all the cubic squares looking things so what i can see is that You circled 169 aka C that would be correct because it cant be 11 cause it dosent look like 11 square units lol you get what im saying so the answer is C hope this HELPSS!!

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6 0

3 years ago

Read 2 more answers

A special liquid is held in a tank described as (x 2 + y 2 ) ≤ z ≤ 1 in a Cartesian coordinate system. Assume that the density o

vivado [14]

Since $\rho=\dfrac mV$ (density = mass/volume), we can get the mass/weight of the liquid by integrating the density $\rho(x,y,z)$ over the interior of the tank. This is done with the integral

$\displaystyle\int_{-1}^1\int_{-\sqrt{1-x^2}}^{\sqrt{1-x^2}}\int_{x^2+y^2}^1(2-z^2)\,\mathrm dz\,\mathrm dy\,\mathrm dx$

which is more readily computed in cylindrical coordinates as

$\displaystyle\int_0^{2\pi}\int_0^1\int_{r^2}^1(2-z^2)r\,\mathrm dz\,\mathrm dr\,\mathrm d\theta=\boxed{\frac{3\pi}4}$

7 0

3 years ago

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WINSTONCH [101]

Answer:

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Step-by-step explanation:

B) 4.6-3.8= .8

5.4-4.6= .8

slope is .8

5.4+.8=6.2

6.2+ .8= 7.0

8 0

3 years ago

Read 2 more answers

Jose and Mila are buying jelly beans. Jose’s bag of jelly beans weighs 1.5 pounds. Mila’s bag of jelly beans weighs 2.75 pounds.

IgorC [24]

17 dollars total for Jose and Mila's jelly beans.

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3 years ago