3 years ago

In September, Jerry read for 2/5 of an hour every day for 20 days. How many

Mathematics

1 answer:

Effectus [21]3 years ago

7 0

Answer:

Step-by-step explanation:

- 2/5 of an hour is equal to 24 min

- 24 times 20 is 480 minuets during September

- 480 minuets is 8 hours

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Basic Geometric Concepts:

Snowcat [4.5K]

Answer:he answer

the true answer is

EF¯¯¯¯¯ and HI¯¯¯¯

proof

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Step-by-step explanation:

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andriy [413]

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Aneli [31]

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4 years ago

<img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%3D%20%20%5Cfrac%7B121%7D%7B196%7D%20" id="TexFormula1" title=" {x}^{2}

Artist 52 [7]

$x^2=\dfrac{121}{196}\iff x=\pm\sqrt{\dfrac{121}{196}}\\\\x=-\dfrac{\sqrt{121}}{\sqrt{196}}\ \vee\ x=\dfrac{\sqrt{121}}{\sqrt{196}}\\\\\boxed{x=-\dfrac{11}{14}\ \vee\ x=\dfrac{11}{14}}\\\\\sqrt{a}=b\iff b^2=a\\\\\sqrt{121}=11\ \text{because}\ 11^2=121\\\\\sqrt{196}=14\ \text{because}\ 14^2=196$

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4 years ago