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3 years ago

Which are solutions of the equation (x + 5)(x – 3) = 0? Check all that apply.

Mathematics

1 answer:

djverab [1.8K]3 years ago

6 0

Answer:x=-5 and x=3

Step-by-step explanation:

(X+5)(x-3)=0

X+5=0 or x-3=0

X=-5 or x=3

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kvv77 [185]

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According to an article in Newsweek, the natural ratio of girls to boys is 100:105. In China, the birth ratio is 100: 114 (46.7%

vredina [299]

Answer:

No, I don't believe that percent of girls born in china is 46.7.

Step-by-step explanation:

Given

Natural ratio of girls to boy =100:105

In China , the birth ratio = 100:114

Number of girls=46.7%

In our study

Number of girls=60

Number of boys= 90

Total number of birth =150

To find the percentage of girls in our study

$percentage\; of \;a \;number =\frac{given \;number}{total \;number } \times 100$

$Percentage of girls=\frac{60}{150}\times100$

Percentage of girls=40%

Therefore, the percentage of girls in our study is 40% not 46.7%

Hence, I don't believe that percentage of girls born in China is 46.7%.

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3 years ago

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Answer:

Step-by-step explanation:

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