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Hunter-Best [27]
3 years ago
11

The time between a lightning flash and the following thunderclap may be used to estimate, in kilometers,

Mathematics
1 answer:
Natalija [7]3 years ago
8 0
The answer is 3km as there is 9 secs between it and distance = time/3 and 9/3 =3 so distance =3
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What does x equal?. 3/4 x + 5/8=4x
Aleonysh [2.5K]
6x +5 = 8x after make the common denominator on both sides 

5 = 2x

x = 5/2 

hope this will help you 
5 0
3 years ago
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(-1) X (+5) = ? what is the answer n the steps
Lostsunrise [7]

Answer:

-5

Step-by-step explanation:

(+5) × (-1) can also be written as (-1) + (-1) + (-1) +(-1) +(-1) which is -5

6 0
3 years ago
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Solve the equation: 5 + 2(3 + 2x) = x + 3(x + 1)
Ann [662]

Answer:

No solutions

Step-by-step explanation:

In this question, you would be solving for x.

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Use the distributive property.

5 + 6 + 4x = x + 3x + 3

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"No solutions" would be your answer.

5 0
3 years ago
Tyler solved an inequality to determine the number of songs he can buy with a $20 credit at his favorite music website. The solu
Furkat [3]

Answer with explanation:

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4.at most 8 songs

6.a maximum of 8 songs

3 0
4 years ago
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Need help plzzzz will medal and fan
andriy [413]
The answer is f(x)=x²+2x when evaluated with -3 gives you the value of 3

Let's check all functions.
1. The function f(x)=x²<span>+2x when evaluated with 3 gives you the value of 3:
  Evaluated with x means that</span> x = 3.
   f(3) = 3² + 2 * 3 = 9 + 6 = 15 
   15 ≠ 3, so, this is not correct.

2. f(x)=x²<span>-3x when evaulated with -3 give you the value of 3
    Evaluated with -3 means that x = -3.
    (f-3) = (-3)</span>² - 3 * (-3) = 9 + 9 = 18 
    18 ≠ 3, so, this is not correct.

3. f(x)=x²<span>+2x when evaluated with -3 gives you the value of 3
</span>    Evaluated with -3 means that x = -3.
    f(-3) = (-3)² + 2 * (-3) = 9 - 6 = 3
    3 = 3, so this is correct.

4. f(x)=x²-3x when evaluated with -3 gives you the value of 3
    Evaluated with 3 means that x = 3.
    f(3) = (3)² - 3 * 3 = 9 - 9 = 0
    0 ≠ 3, so this is not correct.
6 0
4 years ago
Read 2 more answers
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