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Alexus [3.1K]
3 years ago
13

Ada is showing her work in simplifying (5.9 − 1.8) − 6.2 + 4.1. In which step did Ada make an error?

Mathematics
1 answer:
cestrela7 [59]3 years ago
7 0
Step 4:.... should be : 5.9 + 4.1 - 8 (commutative property)
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3 years ago
What is the sum of 21 and 5 times a number f is 61
sukhopar [10]

Answer:

Answer is below

Step-by-step explanation:

21 + 5f = 61       Turn the words into an equation

-21        - 21       Subtract 21 from both sides

5f = 40              Divide both sides by 5

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If this answer is correct, please make me Brainliest!

5 0
3 years ago
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user100 [1]

Answer 24a + 6

Step-by-step explanation:

8 + 18a -2 + 6a

18a + 6a = 24a

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4 0
2 years ago
PLEASE HELP I HAVE 5 MIN TO TURN THIS IN!!!!
LUCKY_DIMON [66]

Answer:

  • 3- False,
  • 4- True

Step-by-step explanation:

<h3>Garden A</h3>

<u>Rectangle with sides</u>

  • Width ⇒ 2x - 3 feet
  • Length ⇒ 5(2x - 3) = 10x - 15

<u>Perimeter is</u>

  • 2(w + l) = 2( 2x - 3 + 10x - 15) = 24x - 36
<h3>Garden B</h3>

<u>Triangle with sides</u>

  • 5x + 5, 4x + 2, 8x - 8

<u>Perimeter is</u>

  • 5x + 5 + 4x + 2 + 8x - 8 = 17x - 1
<h3>Statement 3</h3>

<u>The difference in perimeters is the difference is fencing:</u>

  • 24x - 36 - (17x - 1) = 24x - 17x - 36 + 1 = 7x - 35

Since it is different from 7x - 37 the statement is FALSE

<h3>Statement 4</h3>

Garden A is surrounded by a path of 2.5 ft wide

It will have the perimeter added by 2.5*2*4 = 20 ft as each side is extended by 2*2.5 ft = 5ft

<u>So the perimeter is going to be:</u>

  • 24x - 36 + 20 =
  • 24x - 16

This statement is TRUE

7 0
3 years ago
Please with me with translating words into equations
Blizzard [7]
2x - 27=56
the answer to the question
5 0
3 years ago
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