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3 years ago

Ms. Watson's recipe uses

Mathematics

2 answers:

Vikki [24]3 years ago

7 0

Answer: I think u have to take away 12 from 36

alexandr402 [8]3 years ago

3 0

Answer:

she will use 3 cups of milk

because 12 divided by 3 equals 12

Step-by-step explanation:

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Martin collected data from students about whether they played a musical instrument. The table shows his

nydimaria [60]

Answer: 90 students

Step-by-step explanation:

I got this question on my test, and the answer was 90

100% verified! :D

6 0

2 years ago

Which points are separated by a distance of 5

wlad13 [49]

Answer:

Explanation

6-1=5

3-3=0

0+5=5

6 0

3 years ago

A boat cruise is 32 miles long. There are 40 sight-seeing stops evenly spread throughout the cruise. The boat covered 13 of the

Sauron [17]

For the first question, divide 32 by 40 and it should equal .8 miles. Then, for the second question, multiply .8 by 13 and it should equal 10.4 miles.

3 0

3 years ago

5x – 4y = 9<br> x - 2y = 3 <br> System of equation

padilas [110]

Answer:

{x,y}={5,4} x is =5 y= to 4

3 0

3 years ago

A detective finds a victim of murder at 9 am. At that time, the temperature of the body is 90.3 degrees F. One hour later, the b

LekaFEV [45]

Answer:

Step-by-step explanation:

Given

at 9 am temperature of the body is $90.3^{\circ}F$

1 hr later temperature $89^{\circ}F$

Temperature of room $T=68^{\circ}F$

According to newtons law

$\frac{\mathrm{d} T}{\mathrm{d} t}=-k\left ( T-T_{room}\right )$

$\frac{\mathrm{d} T}{\mathrm{d} t}=-k\left ( T-68\right )$

$\frac{dT}{T-68}=-kdt$

Integrating

$=\int \frac{dT}{T-68}=-kdt$

$\ln |T-68|=-kt+c$

$T-68=Ae^{-kt}$

Now at 9 am i.e. t=0,

$90.3=A+68$

$A=22.3$

At 10 am i.e. t=1 hr T=89

$89-68=22.3e^{-k}$

$e^{-k}=21$

$k=0.06006$

Temperature of Normal human body is $T=98.6 ^{\circ}F$

$98.6-68=e^{-0.06006t}$

$30.6=e^{-0.06006t}$

Taking log both sides

$t=-5.27$

i.e. 5 hr and 16.2 min

i.e. victim murdered at 3 am and 43.8 min

7 0

3 years ago