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eduard
3 years ago
9

PLEASE HELP ME EVERYONE HAS GOTTEN THIS WRONG ITS GONNA SUBMIT IN 15 MIN PLS HELP THANK YOU

Mathematics
1 answer:
LiRa [457]3 years ago
5 0

Answer:

x=4.8

This here you use Pythagorean Theorem.

Step-by-step explanation:

a^2+b^2=c^2

The longest side is c. And the two legs are a and b.

So it'd be 11^2+x^2=12^2

121+x^2=144

Subtract 121 from both sides.

x^2=23

Then take the √ of x^2 and 23

So √x^2=√23

x=4.8

Hope this helps

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110 +0.70x = 50+ 0.90x​
timurjin [86]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{x = 300}}}}}

Step-by-step explanation:

\sf{110 + 0.70x = 50 + 0.90x}

Move 0.90x to left hand side and change it's sign

⇒\sf{0.70x - 0.90x + 110 = 50}

Move 110 to right hand side and change it's sign

⇒\sf{0.70x - 0.90x = 50 - 110}

Collect like terms

⇒\sf{ - 0.2x = 50 - 110}

Calculate

⇒\sf{ - 0.2x =  - 60}

Divide both sides of the equation by -0.2

⇒\sf{ \frac{ - 0.2x}{ - 0.2}  =  \frac{ - 60}{ - 0.2} }

Calculate

⇒\sf{x = 300}

Hope I helped!

Best regards!!

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2 years ago
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3 years ago
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Jana And Jordan had 23 oranges Jana had 7 fewer oranges than Jordan how many oranges did each girl have
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Answer:

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Step-by-step explanation:

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We can create a formula, where x equals the number of oranges Jana has.

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Jana had 8 oranges, while Jordan had 15, for a total of 23 oranges.

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