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shutvik [7]
3 years ago
15

ANSWER THESE QUESTIONS PLEASE FOR 10 POINTS

Mathematics
1 answer:
spayn [35]3 years ago
4 0
1) D
2) D
3) C

Hope it helps!! :)
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=
ivann1987 [24]

9514 1404 393

Answer:

  • large: 55 lb
  • small: 30 lb

Step-by-step explanation:

Let x and y represent the weights of the large and small boxes, respectively. The problem statement gives rise to the system of equations ...

  x + y = 85 . . . . . combined weight of a large and small box

  70x +50y = 5350 . . . . combined weight of 70 large and 50 small boxes

We can subtract 50 times the first equation from the second to find the weight of a large box.

  (70x +50y) -50(x +y) = (5350) -50(85)

  20x = 1100 . . . . simplify

  x = 55 . . . . . . . divide by 20

Using this in the first equation, we can find the weight of a small box.

  55 +y = 85

  y = 30 . . . . . . . subtract 55

A large box weighs 55 pounds; a small box weighs 30 pounds.

4 0
2 years ago
Can someone tell me what is 9x46288
Bad White [126]
Answer: 416,592

Hope this helps!
4 0
1 year ago
Identify the factor terms by grouping: 5x3 – 4x2 + 20x – 16
jek_recluse [69]

Answer:

The answer is D

Step-by-step explanation:

All you have to do is distribute.

x^2(5x-4)+4(5x-4) =

5x^3-4x^2+20x-16

7 0
3 years ago
Jeremiah work 5 days a week.if he earned $225 a day, how much does he earn per day?
Naddika [18.5K]
Uh do you mean he earned $225 per week?
If yes, then he earned 45 per day.
7 0
2 years ago
8. What is the solution to the system?<br> { x + y + z = 3<br> 2x-y + 2z = 6<br> 3x + 2y - Z=13
pogonyaev

Answer:

x,y, and z is 4,0, -1

8 0
3 years ago
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