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kotegsom [21]
2 years ago
13

There are 8 students on the school chess team. They need to raise at least $760 for a field trip. Their advisor says they still

need to raise 85% of the funds, and she wants each of them to raise an equal share of the money still needed.
Diego wrote and solved the inequality 8m + 0.85(760)> to find-
-
the least amount of money, m, each student on the chess team still needs to raise. He says the solution is m > $14.25
-
Describe and correct Diego’s error.

Mathematics
1 answer:
frosja888 [35]2 years ago
5 0

Answer:

Step-by-step explanation:

well first lets get 85% of 760 since thats how much tehy still need to raise

85% of 760 is 646

there are 8 kids so what we need to do is 646/8

646/8 is 80.75

I dont even know what diego did

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oksano4ka [1.4K]

Since 6x - 44 and 88 degrees are the same (exterior angles), we can start off with the first equation, 6x - 44 = 88

6x - 44 = 88

    +44    +44

6x      =   132

÷6         ÷6

x  = 22

same with the second problem (exterior angles are equal):

equation:

15x + 6 = 9x + 54

       -6              -6

15x    = 9x + 48

-9x      -9x

6x   =    48

÷6         ÷6

x   =   8

Hope this helped! :D

5 0
2 years ago
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A tower made of wooden blocks measures​ 114 feet high. Then a block is added that increases the height of the tower by 8 inches.
satela [25.4K]

Answer:

4. 23 in

Step-by-step explanation:

The tower is 1 1/4 feet high, then 8 inches are added. Well, we can't just add those two numbers. We have to change the units! Change everything to inches.

1 1/4 feet is equal to 12 inches + 3 inches = 15 inches, because a foot = 12 inches.

Add 8 inches to 15, and you get 23 inches.

<u>The answer is 4. 23 in. </u>

4 0
3 years ago
Describe how to find the sums -4 + 2 and -4 + ( -2 ) on a number line
ivolga24 [154]

Answer:

For the first one, you go from -4 on the number line and move 2 spaces to the right to get -2. For the second one, you start at -4 again and then you move to the left 2 spaces since your subtracting.

Step-by-step explanation:

-viridiancat4, an 8th grader :)

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3 years ago
At the end of a 30-question round, you’ve gotten 23 questions correct and only 7 wrong, giving you a total score of 94 points. Y
natulia [17]

Answer:

Hence, the system of equations that is used to represent the situation is:

23x+7y=94-----(1)

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Step-by-step explanation:

Let x represent the amount of points received for a correct answer and y represent the amount of points for an incorrect answer.

  • You’ve gotten 23 questions correct and only 7 wrong,giving you a total score of 94 points.

So, the equation formed is:

23x+7y=94

  • Your friend, on the other hand, got 16 questions correct and 14 wrong for a total score of 38 points.

So, the equation formed is:

16x+14y=38

Hence, the system of equations that is used to represent the situation is:

23x+7y=94-----(1)

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