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3 years ago

20 points if u answer and brainliest :

2 answers:

6 0

P=12/3

Explanation: P is the variable and to find how many we can buy with 12 dollars we divide 12 by 3 which is the price.

Bad White [126]3 years ago

4 0

Answer:

4 boxes. 12 - 3p = 0

Step-by-step explanation:

If you do the equation just figure out what P is and you get the answer.

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There are 6 photos on the wall.there are 2 photos in each row. how many rows of photos are there

Umnica [9.8K]

There are 3 rows of pictures on the wall because 2 times 3 is 6

4 0

4 years ago

Apollo Cinemas opened at 10 a.m. In the first hour they sold tickets to 240 people. In the second hour 25% more people purchased

Ymorist [56]

Answer:

$312.50

Step-by-step explanation:

240 + 25% = 300

300 + 12.50 =

312.50

6 0

3 years ago

Population Growth The population P (in thousands) of Oriando,Florida from 1980 through 2009 can be modeled by p = 130e0.0205t,wh

svetoff [14.1K]

Answer: a) 236,000.

b) 2021

Step-by-step explanation:

Given : Population Growth The population P (in thousands) of Oriando,Florida from 1980 through 2009 can be modeled by $p = 130e^{0.0205t}$ (1)

where t = 0 corresponds to 1980.

Then , for 2009

t= 2009-1980=29

a. ⇒The population of Phoenix in 2009 = $p = 130e^{0.0205(29)}$

$p = 130e^{0.5945}$

$p =130(1.81212465608)=235.57620529\approx236$

Hence, the population of Orlando in 2009 was about 236,000.

b) Substitute p= 300 in (1) , we get

$300 = 130e^{0.0205t}$

$2.3077= e^{0.0205t}$ (Divide both sides by 130)

Taking Natural log on both sides,

$\ln(2.3077) = 0.0205t\\\\\Rightarrow\ t=\dfrac{\ln(2.3077)}{0.0205}$

$t=\dfrac{0.836251357528}{0.0205}=40.7927491477\approx41$

Hence, The year Orlando will have a population of 300,000 =1980+41 =2021

6 0

4 years ago

During a rain shower, Jeanette collects 42 1 2 gallons of water in a rain barrel outside her home. She uses 1 1 4 gallons to wat

DerKrebs [107]

Answer:

492 gallons

Step-by-step explanation:

Total gallons of water collected = 4212

Gallons used for watering of plants = 114

Remaining gallons = 4212 - 114

= 4098

She uses 12% of the remaining water to was her laundry.

So that, gallons of water used to wash her laundry = 12% of 4098

= $\frac{12}{100}$ × 4098

= 491.76

≅ 492

She uses 492 gallons to wash her laundry.

6 0

3 years ago

In the diagram, CE = 12 and BE = 5. Based on the given information, AE =

lubasha [3.4K]

Answer:

12 units

Step-by-step explanation:

From the given figure, it can be seen that AB=BC, thus

From ΔBEC, using the Pythagoras theorem, we have

$(EC)^{2}=(BE)^{2}+(BC)^{2}$

$(12)^2=(5)^2+(BC)^2$

$144=25+(BC)^2$

$119=(BC)^2$

$BC=\sqrt{119} units$

Now, from ΔABE, using the Pythagoras theorem, we have

$(AE)^2=(BE)^2+(AB)^2$

$(AE)^2=25+119$

$(AE)^2=144$

$AE=12 units$

Thus, the measure of AE is 12 units.

8 0

3 years ago

Read 2 more answers