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Tomtit [17]
3 years ago
15

A child walks 3/10 of a mile in 1\5 hour. At this rate, how far will the child walk in 1 hour

Mathematics
1 answer:
defon3 years ago
8 0

Answer:

1½ mile

Step-by-step explanation:

Given

3/10 mile = ⅕ hour

Required

Determine the distance in 1 hour

Since rate is constant, we have:

3/10 mile = ⅕ hour

Multiply both sides by 5

5 * 3/10 mile = ⅕ hour * 5

15/10 mile = 5/5 hour

3/2 mile = 1 hour

1½ mile = 1 hour

Hence,the child will walk 1½ mile in 1 hour

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The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number? x = –1 and x =
andrey2020 [161]

we have

f(x)=x^{2}-2x-3

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Equate the function to zero

x^{2}-2x-3=0

Group terms that contain the same variable, and move the constant to the opposite side of the equation

x^{2}-2x=3

Complete the square. Remember to balance the equation by adding the same constants to each side.

x^{2}-2x+1=3+1

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Rewrite as perfect squares

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<u>the answer is</u>

x=3

5 0
3 years ago
Read 2 more answers
40 points please help
Lera25 [3.4K]

answer:

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step-by-step explanation:

4 0
3 years ago
10+4x =12+3x<br><br> How is this solved?
soldier1979 [14.2K]

Answer:

x=2

Step-by-step explanation:

  1. 10+4x=12+3x
  2. 10+4x-3x=12+3x-3x
  3. 10+x=12
  4. 10+x-10=12-10
  5. x=2

<u><em>FINAL ANSWER</em></u>

<em>x=2</em>

8 0
3 years ago
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