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Tatiana [17]
3 years ago
14

Wetlands are important ecosystems for many reasons. Select all that apply.

Mathematics
1 answer:
OlgaM077 [116]3 years ago
7 0

Answer:

A and B

Step-by-step explanation:

the bottom 2 don't make sense

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A group of eight golfers paid $430 to play a round of golf . Of the golfers one was a member and 7 were not what is the cost for
charle [14.2K]

Answer:

Incomplete question

Complete question;

A group of eight golfers paid $430 to play a round of golf . Of the golfers one was a member and 7 were not.

Another group of golfers consists of two members and one nonmember. They paid a total of $75. What is the cost for a member to play a round of golf, and what is the cost for a nonmember?

Answer: X = $82.695 for members

Y = $49.615 for non members

Step-by-step explanation:

Let's use X to denote members and Y for non-members.

Therefore, amount paid by one member to play + amount paid by 7 non-members to play = 430

X + 7Y = 430. . .1

Amount paid by 2 members to play + amount paid by one non-member to play = 215

2X + Y = 215. . .2

Solving both equations simultaneously

X+7Y = 430

2X +Y = 215

Therefore, from eqn 1. X = 430-7y

Substituting this into wan 2 gives

2(430-7Y) + Y = 215

860-14Y + Y = 215

860-215 =13Y

645 = 13y

Y = 49.615

Therefore substituting Y = 49.615 into any equation above

X + 7(49.615) = 430

X = 430-347.05

X = 82.695

3 0
3 years ago
Find a counterexample for the statement. <br> If p is prime, then p2 + 4 is prime.
uysha [10]
P=2 then 2^2+4=8
P=11 then 11^2+4=125
7 0
3 years ago
PLEASE WILL MARK BRAINLIEST The bearing of town x from town y is S50°E. What is the bearing of y from x ?​.
Fittoniya [83]

Answer: N50°W

Step-by-step explanation:

It should be the opposite: N50°W

5 0
2 years ago
Mean, Median, Mode and Range. Easy hard math. Please show work and give answers . Need help appreciate you all
tigry1 [53]

Answer:

:)

Step-by-step explanation:

<em><u>quiz scores:</u></em>

a. arrange them all from least to greatest to figure out the median first

your quiz: 15, 16, 17, 18, 19     middle # = 17        median = 17

friend's quiz: 12, 13, 17, 20, 20     middle # = 17       median = 17

now for mean add all of your quiz scores up and divide by how many #s

15 + 16 + 17 + 18 + 19 = 85 / 5 = 17          mean = 17

now your friend's:

12 + 13 + 17 + 20 + 20 = 82 / 5 = 16.4       mean = 16.4

mode is which number is used the most

your mode = you don't have a mode       your friend's mode = 20

b. you have a higher mean than your friend

<em><u>world populations:</u></em>

a. range is to subtract the smallest number from the largest

803 - 31 = 772

b. mean is adding it all up and dividing by how many numbers there are:

803 + 487 + 348 + 368 + 730 + 31 = 2767 / 6 = 461.17

median is arranging them in order and finding the middle #

31, 348, 368, 487, 730, 803

368 + 487 = 855 / 2 = 427.5

mean = 461.17

median = 427.5

mode = no mode

<em><u>tomato plants:</u></em>

a. range is subtracting the smallest from the largest

52 - 36 = 16

b. mean is adding all the #s and dividing by how many #s there are:

36 + 45 + 52 + 40 + 38 +41 + 50 + 48 = 350 / 8 = 43.75

median is the middle from least to greatest

36, 38, 40, 41, 45, 48, 50, 52

41 + 45 = 86 / 2 = 43

mean = 43.75

median = 43

mode = no mode

hope this helps! :)

4 0
3 years ago
Please help me struggling
Liula [17]

Answer:

Step-by-step explanation:

find the composition of g(x)=x−1 and  h(x)=\sqrt{x}

hence we will get,

(g∘h)(x)=g(h(x))= g(x−1)= f(√x)= -1+√x =  √x -1

Now to find f(g(h(x))),

f(x)=x4+6  and g(h(x))=√x -1

hence , putt g(h(x))  in f(x) ,

f(g(h(x)))=(\sqrt{x}-1)^{4}+6 -

Plzzzz Brain-list it  or subscribe to my channel  " ZK SOFT&GAMING"

5 0
2 years ago
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