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r-ruslan [8.4K]
3 years ago
13

What is the value of x in the equation 3x – 4y = 65, when y = 4?

Mathematics
2 answers:
vovangra [49]3 years ago
6 0
<span>3x – 4y = 65
</span><span>3x – 4(4) = 65
3x - 16 = 65
3x = 81
x = 27</span>
Serjik [45]3 years ago
3 0
3x - 4y = 65......when y = 4
3x - 4(4) = 65
3x - 16 = 65
3x = 65 + 16
3x = 81
x = 81/3
x = 27 <==
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Conrad had $110 to spend on 9 cheese pizzas for a party. After buying them, he had $8.75 left. How much did each pizza cost? Sho
ololo11 [35]
To solve this, subtract 8.75 from 110, then divide by 9. The answer is 11.25 each pizza. :)
4 0
3 years ago
Chris bought 12.4 gallons of gasoline. There are approximately 3.8 liters in 1 gallon. Which measurement is closetsto the number
Damm [24]

Answer:

C 47.12 L

Step-by-step explanation:

1 gallon = 3.8 liters

12.4 gallons = x

Cross Multiply

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47.12 liters

Option C is correct

5 0
3 years ago
Write a complete two-column proof for the following information given
rosijanka [135]

   <u>Statement </u>                  <u>Reason</u>        

1. AB = x + 16                 1. Given

  BC = 4x + 11

   AC = 77

2. AB + BC = AC             2. Segment Addition Postulate

3. x + 16 + 4x + 11 = 77     3. Substitution Property

4. 5x + 27 = 77                 4. Simplification <em>(added like terms)</em>

5. 5x = 50                         5. Subtraction Property of Equality

6. x = 10                             6. Division Property of Equality

7. AB = 10 + 16                   7. Substitution Property

8. AB = 26                          8. Simplification <em>(added like terms)</em>

5 0
4 years ago
A total feet of snow falls over three days. On the first day, 1/6 of the total snow falls. One the second day, 7/12 of the total
Marta_Voda [28]

Answer:

If it wants to know the total on day 3, then the answer is 3/12, or 1/4 (fully simplified).

Step-by-step explanation:

1/6 + 7/12 = 3/4

This means that you would need 1/4 more inches of snow. 3/12 is the answer before simplification, and 1/4 is the fully simplified answer.

4 0
2 years ago
Please help dont understand it
Len [333]

Answer:

1206 = 1000 + 200 + 0 + 6

1000 * 5 = 5000

200 * 5 = 1000

6 * 5 = 30

5000 + 1000 + 30 = 6030

So, 1206 * 5 = 6030

Sorry I took so long.

Hope this helps!

<em><u>PLEASE, </u></em>consider brainliest. I only have 4 left and then my rank will go up.

3 0
4 years ago
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