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Keith_Richards [23]
3 years ago
6

PLZ HELP ME!!!!!!

Mathematics
1 answer:
katrin [286]3 years ago
3 0
2/3 of an hour = 1/20 mile
3/3 of an hour = 3/40 mile
Answer: A
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At the start of the year, 15 chameleons were introduced into a zoo. The population of chameleons is expected to grow at a rate o
bearhunter [10]

Answer:

option-B

Step-by-step explanation:

We are given

At the start of the year, 15 chameleons were introduced into a zoo

so, P_0=15

The population of chameleons is expected to grow at a rate of 41.42% every year

so, r=0.4142

and x represents the number of years since the chameleons were introduced into the zoo

now, we can set equation to find total population

and we get

P(x)=P_0(1+r)^x

now, we can plug values

P(x)=15(1+0.4142)^x

P(x)=15(1.4142)^x

Average rate of change between 2 years and 4 years:

we can use formula

A_1=\frac{P(4)-P(2)}{4-2}

now, we can plug values

A_1=\frac{15(1.4142)^{4}-15(1.4142)^{2}}{4-2}

A_1=14.99914

Average rate of change between 4 years and 6 years:

we can use formula

A_2=\frac{P(6)-P(4)}{6-4}

now, we can plug values

A_2=\frac{15(1.4142)^{6}-15(1.4142)^{4}}{6-4}

A_2=29.99770

Average rate of change between 6 years and 8 years:

we can use formula

A_3=\frac{P(8)-P(6)}{8-6}

now, we can plug values

A_3=\frac{15(1.4142)^{8}-15(1.4142)^{6}}{8-6}

A_3=59.99425

now, we will check each options

option-A:

we can see that

A_3-A_2=30

A_3-A_2=30

So, this is FALSE

option-B:

A_1=\frac{1}{2}A_2

So, this is TRUE

option-C:

This is FALSE

option-D:

we got

A_1=\frac{1}{2}A_2

so, this is FALSE


5 0
3 years ago
PLEASE HELP ASAP!!!! 100% CORRECT ANSWERS ONLY PLEASE!!!!
stealth61 [152]
The answer is "alternate exterior angles theorem."
3 0
2 years ago
Read 2 more answers
The length of a ribbon is 3/4 meters. Sun hi needs pieces measuring 1/3 meter. What are the greatest number of pieces measuring
Llana [10]
2, since 2x 1/3 is 2/3, which is less than 3/4.
5 0
3 years ago
Read 2 more answers
Y'ALL PLEASE HELP ME I REALLY NEED HELP !!!!
Anvisha [2.4K]
C should be correct since AB and XY are in the same places
6 0
3 years ago
Two men, 400 feet apart, observe a balloon between them it is the same vertical plane as they are. The respective angles of elev
slava [35]
The answer is 471 feet.

If A = man to left of balloon 
<span>B = balloon </span>
<span>C = man to right of balloon </span>

<span>∠BAC = 75°20' </span>
<span>∠BCA = 49°30' </span>
<span>∠ABC = 180 - 75°20' - 49°30' = 55°10' </span>
<span>AB = 400 ft </span>

<span>Now we have to find the value of x, which is the side opposite to angle of 75°20' </span>

<span>Using Law of Sines: </span>
<span>x/sin(75°20') = 400/sin(55°10') </span>
<span>x = 400 * sin(75°20') / sin(55°10') </span>
<span>x = 471.44 </span>
<span>x = 471 ft </span>
4 0
2 years ago
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