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3 years ago

Hope you can read those plz help me

Mathematics

1 answer:

erastova [34]3 years ago

4 0

You use the equation given to solve the problem.

x= 4x9
X=36
The four is for the amount of people. The nine is the cost.

For the questions where you have to find out how much each person paid you would have to divided the amount by the number of people.

So, 36/9= 4.30

Therefore each person paid $4.30.

(Hope this helps you)

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A certain forest covers an area of 3600km^2. Suppose that each year this area decreases by 6%. What will the area be after 8 yea

timama [110]

Answer:

= 1728km2

Step-by-step explanation:

From the formula A = PRT/100%

Where; A is final

P is initial

T is time taken

R is the rate

Therefore A = 3600 × (6/100) × 8

= 1728km2

6 0

2 years ago

In 1994, the moose population in a park was measured to be 3000. By 1998, the population was measured

dem82 [27]

Answer:

P(t) = 100t +2600

4100 in 2005

Step-by-step explanation:

You are given two points for (year, population) = (t, p):

(4, 3000), (8, 3400)

It is useful to use the two-point form of the equation for a line.

p = (p2 -p1)/(t2 -t1)(t -t1) +p1

p = (3400 -3000)/(8 -4)(t -4) +3000

p = 400/4(t -4) +3000

p = 100t +2600

P(t) = 100t +2600 . . . . written in functional form

In 2005, the population is predicted to be ...

P(15) = 100×15 +2600 = 4100

6 0

2 years ago

Answer to get the most points all multiples of 2,3,4 and 5

Taya2010 [7]

Answer:

Step-by-step explanation:

1: 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 10....

2: 2, 4, 6, 8, 10....

3: 3, 6, 9, 12, 15, 18, 21, 24, 27....

4: 4, 8, 12, 16, 20, 24, 28, 30....

5: 5, 10, 15, 20, 25, 30, 35 40, 45...

8 0

3 years ago

Read 2 more answers

Why should you generally expect some error when estimating a parameter? (for example, a population? mean) by a statistic? (for e

nexus9112 [7]

This is called as sampling error or sampling variability. Sampling error is the variability that happens because the value of a sample statistic varies from sample to sample. Sampling error is acquired when a population is estimated from a subset, or sample.

8 0

3 years ago

At a bargain store, Tanya bought 4 items that each cost the same amount. Tony bought 5 items that each cost the same amount, but

Alex_Xolod [135]

If x is the amount that Tanya paid for each item, then Tony's items would be x-2.25. So:

3x=4(x-2.25)

3x=4x-9

x=9

x-2.25=6.75

Tanya spent $9 on each item; Tony spent $6.75 on each of his items. ☺☺☺☺

6 0

3 years ago