2 years ago

The length of a rectangle is 7 inches more than twice the width. The

Mathematics

1 answer:

solmaris [256]2 years ago

3 0

Answer:

Length: 25

Width: 9

Step-by-step explanation:

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QF Q6.) Find the function for a.

irakobra [83]

The function for a is (f o g) (x) = 8x^2-10.

Explanation

=========================
$f(x)=2x-4, g(x)=4x^2-3, (f o g)=f(g(x))$

I already knew that the g of x is equal to $4x^2-3$ so I substitute inside of the g of x

$g(x)=4x^2-3$ =======> $f(x)=4x^2-3$ =============> $2(4x^2-3)-4$

simplify it

$2(4x^2-3)-4$ =======> $8x^2-6-4$ =========> $8x^2-10$

$(f o g) = 8x^2-10$

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2 years ago

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Amalia used 8 lemons to make a picture of lemonade that served six people. How many lemons would she need to make enough lemonad

11111nata11111 [884]

28 lemons is the answer to your question

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2 years ago

HELP ME SOMEONE PLEASE :(

Lemur [1.5K]

Answer: The answer is A.

Step-by-step explanation:

The formula for the area of circles:

A = πr^2

Plug in the radius

A = π8^2

A = π64

A = 201.06192983/ 201 (rounded)

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How long will it take a seal swimming at a speed of 8 miles per hour to travel 52 miles

Olin [163]

$8\ miles\ per\ 1\ hour\\
52\ miles\ per\ x\ hour\\\\
proportion:\\
8-1\\52-x\\\\cross\ multiplication\\\\
8x=52\ \ \ | divide\ by\ 8\\\\
x=6.5\\\\
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2 years ago

Joe gets paid $40 per hour. how much would he earn if he worked for 45 minutes

anzhelika [568]

He would earn $30 for 45 minutes.
Example:
60min=$40/hr
1min =$40/$60/hr
45min=$40/$60*45
$30 for 45min

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2 years ago