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HACTEHA [7]
3 years ago
10

Answer please I’m stuck

Mathematics
1 answer:
andreev551 [17]3 years ago
6 0

Answer:

196

Step-by-step explanation:

We will use the formula:

Surface Area of A / Surface area of B = (Height of A /Height of B)^2

49/S2 = (4/8)^2

49/S2 = 1/4

S2 = 196

Answred by Gauthmath

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A restaurant purchased kitchen equipment on January​ 1, 2017. On January​ 1, 2019, the value of the equipment was ​$14 comma 550
timama [110]

Answer:

\frac{dV(t)}{dt} = - 1675.38

Step-by-step explanation:

In 2017, the vakue of the kitchen equipment was $14550

V(0)=$14550

Its value after then was modelled by V(t)=14550e^{-0.158t

We are required to find the rate of change in value on January 1, 2019

V(t)=14550e^{-0.158t

\frac{dV(t)}{dt} =\frac{d}{dt}14550e^{-0.158t

\frac{dV(t)}{dt} =14550 \frac{d}{dt}e^{-0.158t

\\Let u= -0.158t,\frac{du}{dt}=-0.158

\frac{dV(t)}{dt} =14550 \frac{d}{du}e^u\frac{du}{dt}

\frac{dV(t)}{dt} =14550 X -0.158 e^{-0.158t}=-2298.9e^{-0.158t}

In 2019, i.e. 2 years after, t=2

The rate of change of the value

\frac{dV(t)}{dt} =-2298.9e^{-0.158X2}

=\frac{dV(t)}{dt} =-2298.9e^{-0.316}= - 1675.38

3 0
3 years ago
At a school dance, student tickets cost $5 each and non-
svlad2 [7]

Answer:

1840 = 5x + 7 (120) = 200

Step-by-step explanation:

4 0
3 years ago
How do you Write this number in standard form 4000 +300+40+5
Ira Lisetskai [31]

4345 is the anwser hope this helped ; )

8 0
3 years ago
Read 2 more answers
Please help me, giving brainliest.
emmainna [20.7K]

I'm not sure what you want but the slope for each graph from left to right is 5, -7/8, -2.

The equation of each graph from left to right in slope intercept form is

y = 5x + 2, y = -7/8x - 11/8, y = -2x + 6.

4 0
4 years ago
Is the answer a, b, c, or d?
Arlecino [84]
17 is my answer. Make sure to study all the material before taking any major Test or Quizzes. 

Happy studying ^-^
3 0
3 years ago
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