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Cloud [144]
4 years ago
6

Solving with systems of equations using elimination! please help me. thank u!

Mathematics
1 answer:
mario62 [17]4 years ago
4 0
To cross out a variable (in this case, x) we can add both equations together to get -5y=10. Dividing both sides by -5, we get y=-2. Next, plugging it into -3y+5x=26, we get 6+5x=26. Subtracting 6 from both sides, we get 5x=20. Next, we can divide both sides by 5 to get x=4
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Solve the following proportion for u.<br> 17/13=u/4
icang [17]

Answer:

u=5.23

Step-by-step explanation:

\frac{17}{13} =\frac{u}{4}\\13u=68~by~cross-multiplication\\u=5.23~rounded~to~the~nearest~hundreds

5 0
3 years ago
PLEASE HELP ME OR MY MOMS GOING TO GROUND ME FOR THE SUMMER THIS IS A LATE ASSIGNMENT HELPPPPPPPPPPPP
Ganezh [65]

Answer:

64 times 7

Step-by-step explanation:

6 0
3 years ago
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Find the difference between the product of 26.22 and 3.09 and the sum of 3.507, 2.08,
Inessa05 [86]
The product of 26.22 and 3.09 is:
<span>26.22 * 3.09 = 81.0198

The sum of </span><span>3.507, 2.08, 11.5, and 16.712 is:
</span><span>3.507+ 2.08 +11.5+ 16.712 = 33.799

The difference between the product and the sum is:
</span>81.0198 - 33.799 = 47.2208
4 0
4 years ago
Read 2 more answers
What does 1.20 mean in this situation?
Klio2033 [76]

Answer:

hshsjzhzzoazuhsox9 hzbskznzjzbziznzkalajhzisjshaoianajs9zjgz

4 0
3 years ago
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Find the 1st term of a sequence if the common difference = -2 and the 13th term =59
Marat540 [252]

Answer:

83

Step-by-step explanation:

<u>Formula for 13th term:</u>

t(13) = a + 12d, where a- first term, d- common difference

<u>Given</u>

  • t(13) = 59
  • d = -2
  • a = ?

<u>As per the formula for 13th term:</u>

  • 59 = a + 12*(-2)
  • 59 = a - 24
  • a = 59 + 24
  • a = 83
8 0
3 years ago
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