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Nikolay [14]
3 years ago
5

Please help asap 25 pts

Mathematics
1 answer:
devlian [24]3 years ago
7 0
The answer is B hope this would help you
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Help me solve please! The math club has 57 members who are in sixth or seventh grades. There are twice as many sixth graders as
saul85 [17]
We know there is 57 members are in the math club and there is twice as many sixth grades than the seventh. To find out how many sixth graders are in the club, we do:

x = seventh graders
2x = sixth graders

2x + x = 3x

57=3x
57 ÷ 3 = 3x ÷3
19 = x

So there is 19 seventh graders and 19×2= 38 sixth graders
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3 years ago
Identify the solution set of the inequality using the given replacement set x < –2; {–5, –2.6, –2, –0.8, 1, 1.5}. A. {–5, –2.
Olenka [21]
If x < - 2 and x ∈ { - 5, - 2.6, - 2, - 0.8, 1, 1.5 }
- 5 < - 2 and - 2.6 < - 2
The solution set is:
A ) { - 5 , - 2.6  }

5 0
3 years ago
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Dalvin answered 51 questions correctly on his multiple choice science final and earned a grade of 85%. How many total questions
Leona [35]

Answer:

60

Step-by-step explanation:

Divide the number of questions answered correctly by his percentage

51 / 85 = 0.6

Now multiply that answer by 100 to see how many questions are on the quiz

0.6 x 100 = 60

Check your work by dividing that number by the number he answered correctly

51 / 60 = 0.85

4 0
2 years ago
A survey conducted at Ambidextrous High School asked all 1,700 students to indicate their grade level and if they are left-hande
katen-ka-za [31]

Answer:

Joint related frequency for right-handed freshmen: 25%

Step-by-step explanation:

The image is the answer. I think.

5 0
2 years ago
Raina is saving money to buy a game. So far she has saved $24, which is three-fourths of the total cost of the game. How
Maksim231197 [3]
Your answer is 42! 3/4 of 24 is 18. Add 18 to 24 and you get your answer.
3 0
2 years ago
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