3 years ago

This is the last question i have please help me

Mathematics

2 answers:

guajiro [1.7K]3 years ago

5 0

35 feet

Step-by-step explanation:

add 2.5 and answer from above, 32.5 to get your answer

slava [35]3 years ago

5 0

Yeah it’s 35ft. Set your answer up in stands form. And add your number you have up top to the 2.5

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a rectangle has an area of 30 square meter and a perimeter of 34 meters. what are the dimensions of rectangle?

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$A=lw$
$P=2l+2w$

$30=lw$
$34=2l+2w$

$30=lw$ --> $w= \frac{30}{l}$

$34=2l+2( \frac{30}{l}) \\ 34=2l+ \frac{60}{l} \\ 34l=2l^2+60 \\ 2l^2-34l+60=0 \\ 2(l-2)(l-15)=0 \\ l=2, 15$

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Christian and Yong had some stickers in the ratio 2:3. After Yong gave Christian 15 stickers, the ratio became 5:7. What was the

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step-by-step explanation: