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2 years ago

7

Dakota practices ballet for 4 hours every school day. She practices 1 hour and 30 minutes before school. Set up an equation to s

how how many hours, h, she practices after school.

1 answer:

RideAnS [48]2 years ago

4 0

Answer: y -1.5h+2.5h=4h

Step-by-step explanation:

Le

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2 years ago

A rectangle has two side lengths of 8 inches and two side lengths of 10 inches. What is the perimeter of the rectangle?

Ronch [10]

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3 years ago

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ehidna [41]

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Step-by-step explanation:

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2 years ago

A student bought a juice drink for $2 and a sandwich the total was &6.50 how much was the sandwich

mel-nik [20]

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3 years ago

stion 1 OT 5A researcher recorded the number of swans and the number of ducks in a lake every month. Function s represents the n

Anon25 [30]

Given functions are

$s(n)=2(1.1)^n+5_{}$ $d(n)=4(1.08)^n+3$

The total number of ducks and swans in the lake after n months can be determined by adding the functions s(n) and d(n).

$t(n)=s(n)+d(n)$

$t(n)=(2(1.1)^n^{}+5)+(4(1.08)^n+3)$

$t(n)=2(1.1)^n+5+4(1.08)^n+3$

$t(n)=2(1.1)^n+4(1.08)^n+5+3$

$t(n)=2(1.1)^n+4(1.08)^n+8$

Taking 2 as common, we get

$t(n)=2\lbrack(1.1)^n+2(1.08)^n+4\rbrack$

Hence The total number of ducks and swans in the lake after n months is

$t(n)=2\lbrack(1.1)^n+2(1.08)^n+4\rbrack$

8 0

1 year ago