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In-s [12.5K]
3 years ago
14

Please get it right double check

Mathematics
1 answer:
stiks02 [169]3 years ago
4 0
Just multiply the different sets of numbers
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A scientist is studying wildlife . She estimates the population of bats in her state to be 270,000 . She predicts the population
Sauron [17]
Given that the rate of change of population of the bats in a certain state is 2.9%, means that after a year, the population will become 1.029 of the current population. The equation that would best represent the described scenario above is,
                               y = (270,000)(1.029^x)
5 0
3 years ago
Suppose Jim is going to build a playlist that contains 7 songs. In how many ways can Jim arrange the 7 songs on the playlist?
gulaghasi [49]

Answer:

Jim can arrange the 7 songs on the playlist in  5040 different ways.

Step-by-step explanation:

Given

Songs = 7

Required

Ways of arrangement

Since, there is no restriction and conditions.

The songs can be arranged in

Ways = 7!

This is so because each song will have a distinct position:

So, we have

Ways = 7 * 6 * 5 * 4 * 3 * 2 * 1

Ways = 5040

6 0
3 years ago
3,969 + b^2 = 11,025
ludmilkaskok [199]

Answer:

b=84

Step-by-step explanation:

from your equation, subtract 3969 from each side

you are left with b^2=7056

sqrt b^2 = sqrt 7056

b=84

7 0
3 years ago
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How do I find x using a mathematical operation?
Svetradugi [14.3K]
I got this. Bottom of the triangle. that flat line is 180 degrees. you have an angle of 120, leaving an angle of 60. if you look at the top, that angle matches the other. so you have 65 degrees on one side, and 60 on the other. so 180-65-60=55. so X=55
6 0
3 years ago
When Famke charges her phone, it gains 222 percentage points each minute. When Famke uses her phone, it loses 555 percentage poi
Charra [1.4K]
To answer this you can use a guess and check strategy.

Start with 5 minutes using it (25% lost) and 10 minutes charging (20% gained).

Try 7 minutes using it (35% lost) and 14 minutes charging (28%).

Next, 9 minutes (45%) and 18 minutes(36%).

10 minutes (50%) and 20 minutes (40%). This is the difference.

She used it for 10 minutes and charged it for 20 minutes.
6 0
3 years ago
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