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True [87]
3 years ago
11

The questions are in the picture (I’LL GIVE BRAINLEST)

Mathematics
2 answers:
saul85 [17]3 years ago
6 0

Answer:

130 total people

Step-by-step explanation:

This is because the ratio of woman to men is 8 to 5, and there are 50 men, so you do 50 divided by 5 to get you 10, then multiply 10 by 8 which gets you 80 women, 50+80=130. :)

user100 [1]3 years ago
3 0
130 in total (: please give me a brianlest
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the frame of a picture is 28 cm by 32 cm outside and is of uniform width.What is the width of the frame if 192 cm2 of the pictur
natita [175]

Answer:

The width of the frame is equal to 8\ cm  

Step-by-step explanation:

Let

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we know that

(28-2x)(32-2x)=192    

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Simplify

x^{2}-30x+176=0

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

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in this problem we have

x^{2}-30x+176=0

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substitute in the formula

x=\frac{30(+/-)\sqrt{(-30)^{2}-4(1)(176)}} {2(1)}

x=\frac{30(+/-)\sqrt{196}} {2}

x=\frac{30(+/-)14} {2}

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The width of the frame is equal to 8\ cm  

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4 years ago
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Answer:

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Step-by-step explanation

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