3 years ago

Hey can you help me pls

Mathematics

2 answers:

yan [13]3 years ago

4 0

Answer:

Step-by-step explanation:

zimovet [89]3 years ago

4 0

B :) enjoy hope this helps

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the perimeter of a triangle is 240 cm .the lengths of the sides are 3:4:5. calculate the legths of the longest and shortest side

Shkiper50 [21]

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Longest-100cm

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3 years ago

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IRINA_888 [86]

Step-by-step explanation:

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3 years ago

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Select the three ratios that are equivalent to 3 boys/5 girls.

Stels [109]

$\dfrac{3\ boys}{5\ girls}\to\dfrac{3}{5}\\\\\dfrac{8}{10}=\dfrac{8:2}{10:2}=\dfrac{4}{5}\\\\\dfrac{15}{25}=\dfrac{15:5}{20:5}=\dfrac{3}{5}\\\\\dfrac{9}{15}=\dfrac{9:3}{15:3}=\dfrac{3}{5}\\\\\dfrac{30}{50}=\dfrac{30:10}{50:10}=\dfrac{3}{5}\\\\Answer:\\\\\boxed{\dfrac{3\ boys}{5\ girls}=\dfrac{15\ boys}{25\ girls}=\dfrac{9\ boys}{15\ girls}=\dfrac{30\ boys}{50\ girls}}$