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zheka24 [161]
3 years ago
14

cody is reading a 520-page book this summer. he read 1\5 of the pages on sunday. he read 1\2 of the pages on tuesday. he read th

e rest of the pages on saturday. how many pages did cody read on saturday?
Mathematics
1 answer:
kirill115 [55]3 years ago
4 0
Assume that on Tuesday he read 1/2 pages out of 520 pages not what's left of the book minus 1/5 of the pages that he read on Sunday.
Cody read 260 pages on Saturday.
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Answer:

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40% are boys, so 60% are girls.

Writing a proportion:

900 / 60% = x / 100%

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There are 1500 students in the school, which means there are 600 boys in the school.

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Answer:

x = -1

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Step-by-step explanation:

Use pythagorean theorem: a² + b² = c²

x² + (2x + 2)² = (2x + 3)²

Since these are quantities, you'll have to make them into quadratic equations.

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<em>We</em><em> </em><em>can</em><em> </em><em>check</em><em> </em><em>that</em><em> </em><em>these</em><em> </em><em>are</em><em> </em><em>correct</em><em> </em><em>by</em><em> </em><em>plugging</em><em> </em><em>them</em><em> </em><em>in</em><em> </em><em>for</em><em> </em><em>x</em><em> </em><em>and</em><em> </em><em>seeing</em><em> </em><em>if</em><em> </em><em>they</em><em> </em><em>are</em><em> </em><em>equal</em>

<em>For</em><em> </em><em>example</em>

<em>(</em><em>-1</em><em>)</em><em>²</em><em> </em><em>+</em><em> </em><em>(</em><em>2</em><em>(</em><em>-1</em><em>)</em><em> </em><em>+</em><em> </em><em>2</em><em>)</em><em>²</em><em> </em><em>=</em><em> </em><em>(</em><em>2</em><em>(</em><em>-1</em><em>)</em><em> </em><em>+</em><em> </em><em>3</em><em>)</em><em>²</em>

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3 years ago
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Paha777 [63]

Answer:

\boxed{  \bold{ \huge{ \boxed{ \sf{6.7}}}}}

Option C is the correct option.

Step-by-step explanation:

Let the points be A and B

Let A ( 7 , 8 ) be ( x₁ , y₁ ) and B ( 4 , 2 ) be ( x₂ , y₂ )

<u>Finding</u><u> </u><u>the</u><u> </u><u>distance</u><u> </u><u>between</u><u> </u><u>these</u><u> </u><u>points</u>

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\dashrightarrow{ \sf{ \sqrt{ {(  - 3)}^{2} +  { (- 6)}^{2}  } }}

\dashrightarrow{ \sf{ \sqrt{9 + 36}}}

\dashrightarrow {\sf{ \sqrt{45} }}

\dashrightarrow{ \sf{6.7 \:  \: units}}

Hope I helped!

Best regards! :D

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