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nalin [4]
4 years ago
6

Help please!! Whoever is right will get brainliest!

Mathematics
1 answer:
levacccp [35]4 years ago
4 0
99% sure it’s 3 unless I’m dumb
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a first number plus twice a second number is 7 twice the first number plus the second totals 29 find the numbers​
nataly862011 [7]

The numbers are 17 and -5

Step-by-step explanation:

The given is:

  • A first number plus twice a second number is 7
  • Twice the first number plus the second totals 29

We need to find the 2 numbers

Assume that the 1st number is x and the 2nd number is y

∵ x represents the 1st number

∵ y represents the 2nd number

∵ The first number plus twice the second number is 7

∴ x + 2y = 7 ⇒ (1)

∵ Twice the first number plus the second totals 29

∴ 2x + y = 29 ⇒ (2)

Now we have system of equations to solve it

Multiply equation (1) by -2 to eliminate x

∴ -2x - 4y = -14 ⇒ (3)

- Add equations (2) and (3)

∴ -3y = 15

- Divide both sides by -3

∴ y = -5

Substitute the value of y in equation (20 to find the value of x

∵ x + 2(-5) = 7

∴ x - 10 = 7

- Add 10 to both sides

∴ x = 17

The numbers are 17 and -5

Learn more:

You can learn more about the system of equation in brainly.com/question/2115716

#LearnwithBrainly

6 0
3 years ago
Write an even number between 7 and 16 draw a picture and the write a sentence to explain why it is an even number
solniwko [45]

<u>The even number I picked was 6, here is why it is an even number.</u>

<em>You can put each in even groups, without having one group be more or less then the other, if I picked an odd number like 7, one group would had more, and the other 2 groups would have less. </em>

------------------------------------------------

<em>Hope this helped, have a great day!</em>

4 0
3 years ago
What are two ratios that are equivalent to 2:10
Morgarella [4.7K]
4:20 and 1:5 are equivalent to 2:10
7 0
4 years ago
You work in a store that sells rugs. One rug has a tag that states that it covers 104 square feet and is 13 feet long. how wide
Sav [38]

Answer:

W = 8 feet

Step-by-step explanation:

The rug is rectangular in shape.

Area of a rectangle = Length x Breadth

Given

Area = 104 square feet

length = 13

Therefore

104 = 13 x w

Divide both sides by 13

104/13 = 13/13 x w

8 = w

W = 8 feet

The rug is 8 feet wide

4 0
4 years ago
Which group of numbers is ordered from least to greatest?
ki77a [65]

Answer: B.

Step-by-step explanation: Negatives are smaller than positive numbers

6 0
3 years ago
Read 2 more answers
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