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djverab [1.8K]
3 years ago
5

Last year, the debate club had 16 members. This year, the club has 10 members. What is the percent of change in the number of cl

ub members?
Mathematics
1 answer:
igor_vitrenko [27]3 years ago
3 0

Answer:

-60%

Step-by-step explanation:

The formula for percent change is [ x2-x1/x1 ].

10-16/10

-6/10 or -0.6

~Multiply by 100%

-0.6 * 100% = -60%

Best of Luck!

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(5*10^-2)divide by (2*10^3)
DaniilM [7]

Answer:

2.5 × 10^-5

<em>please correct me if im wrong</em><em>.</em>

6 0
3 years ago
. A soccer team played 32 games. If they won 25% of them, how many games did the team win?V
Bas_tet [7]

Answer:

8\ games

Step-by-step explanation:

Let

x----->number of games won by the football team

we know that

25\%=25/100=0.25

so

x=0.25(32)=8\ games

8 0
2 years ago
Please can someone help?
alexandr402 [8]

Hey there! :)

Answer:

(5, -2), or x = 5 and y = -2.

Step-by-step explanation:

We can solve the two equations algebraically by eliminating a variable:

2x + 5y = 0

3x - 4y = 23

Eliminate the x variable by finding the least common multiple and multiplying both equations:

3(2x + 5y = 0)

2(3x - 4y = 23)

Distribute and subtract the bottom equation from the top:

6x + 15y = 0

6x - 8y = 46

------------------

0x + 23y = -46

23y = -46

y = -2.

Plug in y into an equation to solve for x:

2x + 5(-2) = 0

2x - 10 = 0

2x = 10

x = 5. Therefore:

The solution to this equation is (5, -2), or x = 5 and y = -2.

5 0
3 years ago
Read 2 more answers
I need help. the Question in in Photo
7nadin3 [17]

Answer:

I had same one so the answer is C

Step-by-step explanation:

♦I hope this helps you also please mark brainliest ♦

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6 0
2 years ago
A running group has 38 members. Each group member completed half marathon (13.1 miles). The average time to complete is 110 minu
Vikki [24]

Answer:

They took 4,180 minutes total to complete the course.

Step-by-step explanation:

The average time is given by the sum of each individual time of the members divided by the number of members on the group. So if we want to know the total time they took to complete the course we need to take the average and multiply it by the number of people in the group. So we have:

total time = average*number of members = 110*38 = 4180 minutes

They took 4,180 minutes total to complete the course.

8 0
3 years ago
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