3 years ago

A rectangular chair cushion

Mathematics

2 answers:

vodka [1.7K]3 years ago

6 0

Answer:

144 square inches.

Step-by-step explanation:

4*12*3=144

user100 [1]3 years ago

3 0

144 Square inches. That’s the right answer

You might be interested in

What number does this Roman numeral represent? DCCLXXXI

avanturin [10]

k there is your answer. be happy. UwU

7 0

4 years ago

Read 2 more answers

A thermometer is taken from an inside room to the outside, where the air temperature is 20° f. after 1 minute the thermometer re

fomenos

The change in the temperature is proportional to the difference in temperatures. Let's call the initial temperature of the room and the thermometer $E_0$ and the current temperature $E(t)$ where $t$ is the elapsed time in minutes. The outside temperature is 20 F.

Newton's Law of Cooling:

$E(t) - 20 = (E_0 - 20) e^{- k t}$

We're given $E(1)=70 \textrm{ and } E(5)=45$

$70-20 = (E_0 - 20) e^{-k}$

$45-20 =(E_0 - 20) e^{-5k}$

Dividing,

$\dfrac{50}{25}=e^{4k}$

$k = \dfrac 1 4 \ln 2$

Now,

$E(t) - 20 = (E_0 - 20) e^{- k t}$

$E_0 = 20 + (E(t) - 20)e^{k t}$

$E_0 = 20 + (E(1) - 20)e^{k}$

$E_0 = 20 + (70 - 20)e^{\ln 2/4}$

$E_0 = 20 + 50 \cdot 2^{1/4} \approx 79.46 \textrm{ degrees F}$

3 0

4 years ago

Harper surveyed 380 of the students in her school about their favorite color. 323 students said their favorite color was red. Wh

Levart [38]

Can anyone help me with my questions

3 0

3 years ago

Read 2 more answers

Find the slope and reduce. P=(3-4, 1 1/4) Q=(-1/2, -1)

Alexxx [7]

Answer:

7/4 i really hope its these one or im failimg my quiz