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ElenaW [278]
3 years ago
15

After four rounds, 74 teams are eliminated from a robotics competition. There are 18 teams remaining. Write and solve an equatio

n to find the number of teams t that started the competition.
Mathematics
1 answer:
Mariulka [41]3 years ago
4 0
It is 92 .............
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Can someone please help me with this
UNO [17]
Ok so we know that student tickets cost $5, and adult tickets cost $8. We also know that the total no. of tickets sold was 150.

Let's make the amount of student tickets sold be S, and the no. of adult tickets sold be A.

We know that tickets sales amounted to $1,020, so:
8A + 5S = 1020
And:
A + S = 150. Multiply this by 5;
5A + 5S = 750

When you subtract the two equations;
(8A+5S) - (5A+5S) = 1020-750
So 3A = 270
A = 90
So 90 adult tickets were sold.
S = 150 - 90
= 60
So 60 student tickets were sold (although you don't need this as part of your answer)

Hope this helped
4 0
3 years ago
Negative nine is greater than the sum of fifteen and two times a number.​
Ugo [173]

Answer:

-9>2x+15

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
How many days altogether in the first four months of 1998
yKpoI14uk [10]

Answer:

120 days

Step-by-step explanation:

There are 31 days in January, 28 in February (this was not a leap year), 31 in March and 30 in April. All you have to do now is add 31 + 28 + 31 + 30 for a final answer of 120 days!

5 0
3 years ago
Read 2 more answers
1. If a dart hits the target at random (note this is an isosceles triangle), what is the probability that it will land in the sh
Thepotemich [5.8K]
The answer for # 1) B 1/3
is #2 not the same quesztion tho ?
4 0
3 years ago
Please help!!!!!!! I only have 20 minutes left!!
slavikrds [6]

Step-by-step explanation:

You need to find the total number of students the pie chart will represent:

17 + 35 + 38 = 90

So you know, 360° represents 90 people

You can then find out the angle for each person: 360 ÷ 90 = 4

Each person is 4°

a)

1. 17 people took French so you would do 4° × 17 = 68°

2. 35 people took German so you would do 4° × 35 = 140°

3. 38 people took Italian so you would do 4° × 38 = 152°

b)

17 out of 90 people chose french so the probability would be 17/90

5 0
2 years ago
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