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Jlenok [28]
2 years ago
7

two numbers are such that if 11 is added to the first number,the answer is twice the second number.Also,if 25 is subtracted from

the first number ,the answer is half the second what are the numbers?​
Mathematics
1 answer:
hichkok12 [17]2 years ago
4 0

Answer: x = 37 and y = 24

Step-by-step explanation:

So I assume the question means x+11=y*2 and x-25=y/2. I couldn't write all the steps on here because I did it on paper but the answer is x = 37 and y = 24

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Two student clubs were selling t-shirts and school notebooks to raise money for an upcoming school event. In the first few minut
mixas84 [53]

Using a system of equations, it is found that the cost of a t-shirt is of $3 and the cost of a notebook is of $5.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

The variables are given as follows:

  • Variable x: Cost of a t-shirt.
  • Variable y: Cost of a notebook.

Considering the costs of the purchases of Clubs A and B, the matrices give the equations as follows:

  • 3x + 2y = 19.
  • x + y = 8 -> y = (8 - x).

Hence, replacing the second equation into the first:

3x + 2(8 - x) = 19

x = 3.

y = 8 - x = 8 - 3 = 5.

The cost of a t-shirt is of $3 and the cost of a notebook is of $5.

More can be learned about a system of equations at brainly.com/question/24342899

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2 years ago
Miguel spent 1/8 of his savings on a new video game system. Mila spent 12% of her savings on her DVD, and Manny spent 0.1 of his
Vilka [71]
Miguel spent the most of his savings.
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2 years ago
SOMEONE PLEASE HELP ME I’LL GIVE OUT BRAINLIEST PLEASE DONT ANSWER IF YOU DON’T KNOW ORDER OF OPERATION
bezimeni [28]

Answer:

the answer is 85

Step-by-step explanation:

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5 0
3 years ago
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Lisa hikes 9 miles in 2 hours. At this rate, how far does she hike in hours?
defon
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2 years ago
Find the solution of this system of equations.
vagabundo [1.1K]
I'm going to use the substitution method.

4x + 4y = -16
-8x - 6y = -20

4x + 4y = -16
- 4x - 4x
--------------------------
4y = -4x - 16
------ ------ ------
4 4 4

y = -x - 4

-8x - 6(-x - 4) = -20
-8x + 6x + 24 = -20
-2x + 24 = -20
- 24 - 24
----------------------------
-2x = 44
------- -------
2 2

x = 22


4(22) + 4y = -16
88 + 4y = -16
- 88 - 88
------------------------
4y = -104
------ ---------
4 4

y = -26



The answer is (22, -26).



4 0
3 years ago
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