3 years ago

I need help please!!!!

Mathematics

1 answer:

mario62 [17]3 years ago

4 0

The answer will be for every x, y will be 1.25

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Shkiper50 [21]

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2 years ago

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the perimeter of a triangle is 49cm.One side is 7cm longer than another side and 5cm shorter than the third side find sides

pogonyaev

P = a + b + c = 49 cm

a = b + 7 => b = a - 7

a = c - 5 => c = a + 5

_____________________

a + (a - 7) + (a + 5) = 49

3a = 49 + 7 - 5

3a = 51

a = 17 cm

b = 17 - 7 = 10 cm

c = 17 + 5 = 22 cm

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madreJ [45]

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2 years ago

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olga2289 [7]

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3 years ago

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Hair color is an inherited trait. In Marci's family, her mother has brown hair. Her father has blonde hair. The family has 6 chi

xenn [34]

Answer:

the number of children has red or brown hair is $\frac{2}{3}$ .

Step-by-step explanation:

We have been given that in Marci's family there are total 6 children.

Out of 6 children

Number of children have blonde hair = $\frac{1}{3}$

Number of children have red hair = $\frac{1}{6}$

Number of children have brown hair = $\frac{1}{2}$

Since, we have to find the fraction of children has red or brown hair= $\frac{1}{6}+\frac{1}{2}=\frac{4}{6}=\frac{2}{3}$

Hence, the number of children has red or brown hair is $\frac{2}{3}$

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2 years ago