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3 years ago

12

write two ratios equivalent to 6/7. Write two ratios equivalent to 3/2. Write two ratios equivalent to 11/1. Like smithjared1114

said answer like ABC. Thanks for the help!

1 answer:

Naddika [18.5K]3 years ago

3 0

6/7: 12/14 and 18/21

3/2: 6/4 and 9/6

11/1: 22/2 and 44/4

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3 years ago

Daniel wanted to know his approximate score on the final exam for his mathematics class. His professor hinted that his score was

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Step-by-step explanation:

Formula we use to find the z-score :-

$z=\dfrac{x-\mu}{\sigma}$ (1)

Given : $\mu=90$

$\sigma=7$

Daniel's z score : z= 1.67

Let x be the raw score for Daniel's exam grade, then substitute the values of $\mu,\ \sigma\ and \ x$ in (1), we get

$1.67=\dfrac{x-90}{7}\\\\\Rightarrow\ x-90=7\times1.67\\\\\Rightarrow\ x=11.69+90=101.69$

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