3 years ago

Katie hair grows 7/8 of a centimeter each month how many centimeters will Katie hair grow over 5 months

Mathematics

2 answers:

Kruka [31]3 years ago

6 0

Think of this as 7/8*5/1. This would be 35/8, or 4 and 3/8 cm.

irakobra [83]3 years ago

4 0

Answer:

4.375 centimeters.

Step-by-step explanation:

If Katie hair grows 7/8 of a centimeter in one month, then in 5 motnhs Katie hair will grow $\frac{7}{8} *5= \frac{7*5}{8} = \frac{35}{8}$ of a centimeter, that is 4.375 centimeters.

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[50 points]

Marina86 [1]

Answer:

$\sf \dfrac{1}{10}$

Step-by-step explanation:

From the table:

Total number of Sophomores = 10
Total number of students = 37
Total number of Boys who are Sophomores = 1

$\sf Probability \ of \ an \ event \ occurring = \dfrac{Number \ of \ ways \ it \ can \ occur}{Total \ number \ of \ possible \ outcomes}$

$\sf \implies P(Sophomore)=\dfrac{10}{37}$

$\sf \implies P(Boy \cap Sophomore)=\dfrac{1}{37}$

$\begin{aligned}\sf P(Boy | Sophomore) & = \sf\dfrac{P(Boy \cap Sophomore)}{P(Sophomore)}\\\\ & = \sf \dfrac{1}{37} \div \dfrac{10}{37}\\\\ & = \sf\dfrac{1}{37} \times\dfrac{37}{10}\\\\ & = \sf\dfrac{1}{10}\end{aligned}$