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3 years ago

Which age group is most likely to experience stage

2 answers:

8 0

The most prevalent age group reporting stage fright was between 35 and 45 years of age. Wind instrument players were the group most involved (22% of those reporting stage fright).

weqwewe [10]3 years ago

5 0

13-19 now days lol but low key 20-30 probably

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WOULD YOU RATHER receive 40% off 15 copies OR 50% of 25 copies?

valentinak56 [21]

Answer:

hahaha

Step-by-step explanation:

hahahahahayou dont know d answer hahaha but i know its a secret

8 0

3 years ago

Read 2 more answers

A solution initially contains 200 bacteria. 1. Assuming the number y increases at a rate proportional to the number present, wri

GuDViN [60]

Answer:

1. $\frac{dy}{dt}=ky$

2.543.6

Step-by-step explanation:

We are given that

y(0)=200

Let y be the number of bacteria at any time

$\frac{dy}{dt}$ =Number of bacteria per unit time

$\frac{dy}{dt}\proportional y$

$\frac{dy}{dt}=ky$

Where k=Proportionality constant

2. $\frac{dy}{y}=kdt$ ,y'(0)=100

Integrating on both sides then, we get

$lny=kt+C$

We have y(0)=200

Substitute the values then , we get

$ln 200=k(0)+C$

$C=ln 200$

Substitute the value of C then we get

$ln y=kt+ln 200$

$ln y-ln200=kt$

$ln\frac{y}{200}=kt$

$\frac{y}{200}=e^{kt}$

$y=200e^{kt}$

Differentiate w.r.t

$y'=200ke^{kt}$

Substitute the given condition then, we get

$100=200ke^{0}=200 \;because \;e^0=1$

$k=\frac{100}{200}=\frac{1}{2}$

$y=200e^{\frac{t}{2}}$

Substitute t=2

Then, we get $y=200e^{\frac{2}{2}}=200e$

$y=200(2.718)=543.6=543.6$

e=2.718

Hence, the number of bacteria after 2 hours=543.6

4 0

4 years ago

How to find x and y I dont understand

lesantik [10]

68= 4x-2+30 (notice they are vertical angles)
68= 4x+28
40=4x
10=x

68+y= 180 (forms a straight angle)
y=112

Final answer: x=10, y=112

4 0

3 years ago

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If two angles are complementary then both angles must be acute true or false

Oxana [17]

Answer:

If two angles are acute angles, then they are complementary. Incorrect. The converse is “If two angles are complementary, then they are acute angles” which is true and the original statement was false because two acute angles are not always complementary.

Step-by-step explanation:

7 0

3 years ago

EXPERT ONLY HELP: I'LL GIVE BRAINLIEST: EXPLAIN YOU ANSWER<br> A or C

RideAnS [48]

Answer:

Its A : 1188

Step-by-step explanation:

Because you have two heights 5 and 6 so add them together

5+6 = 11

then to get the volume you have to multiply length (9) , height (11), and width (12) to get the answer so..

11 x 12 x 9=1188

5 0

3 years ago

Read 2 more answers