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Nutka1998 [239]
2 years ago
11

The table below shows two equations:

Mathematics
1 answer:
Amanda [17]2 years ago
7 0
This problem can be solved by using the answer choices. We plug in the given values of the equations and see if they satisfy it.
| 4(3) - 3 | - 5 = 4
4 = 4; this is a solution
| 4(-1.5) - 3 | - 5 = 4
4 = 4; this is a solution

|2(-4) + 3| + 8 = 3
13 =/= 3, not a solution

|2(1) + 3| + 8 = 3
13 =/= 3, not a solution

Thus, equation 1 has two solutions, x = 3 and x = -1.5, while equation 2 has no solutions. The third option is correct.
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2 years ago
1: x - (-3) is the same as x + (-3).
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3 years ago
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The drama club held a car wash on Saturday and Sunday. They washed a total of 60 cars. If they lost 40% of the cars on Sunday, h
Nana76 [90]

22 complete cars and half of one car were washed on Sunday.

<u>Solution: </u>

Given that  

Drama club held a car wash on Saturday and Sunday.

Total car washed on Saturday and Sunday = 60  

Lost 40 \% can on Sunday.

Need to calculate number of car washed on Sunday.

Let assume number of cars they washed on Saturday = x

As they lost 40\% of cars on the Sunday

Number of cars washed on Sunday = Car washed on Saturday – 40\% of car washed on Saturday

\Rightarrow x-40 \% \text { of } x=\mathrm{x}-0.40 x=0.60 x

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\begin{array}{l}{\Rightarrow 60=x+0.60 x} \\\\ {\Rightarrow 60=1.6 x} \\\\ {\Rightarrow x=\frac{60}{1.6}=37.5}\end{array}

So car washed on Sunday = 0.60 x=0.60 \times 37.5=22.5 \mathrm{ cars}

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3 0
3 years ago
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Answer:

<h3>512</h3>

Step-by-step explanation:

<h3>The number 512 on prime factorization gives 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2. On combining the prime factors in groups of 3 gives 8. So, the cube root of 512 = ∛(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2) = 8 (perfect cube).</h3>

#CaRRyOnLeArNinG

7 0
2 years ago
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