3 years ago

Please, please help with this question!! I don't understand it!

Mathematics

1 answer:

Kazeer [188]3 years ago

3 0

Answer:

Step-by-step explanation:

Find the area of each shape, then multiply by 20, then round to nearest hundred.

Half circle:

=πr²/2

=50π

=157.08

Large square:

=L•w

=20(22)

=440

Small square:

=L(w)

=12(3)

=36

Triangle:

=b(h)/2

=8(3)/2

=12

Btu req:

=(157.08+440+36+12)(20)

=(645.08)(20)

=12901.6

=12900 BTU

You might be interested in

Use the formula for the area of a rectangle, A = lw, where A represents the area, l represents the length, and w represents the

IgorLugansk [536]

Answer:

Area = length × breadths

5 0

3 years ago

PLEASE HELP 100 POINTS!!! The function f(x)=12sin(x−π4) is used to describe a water wave. The value x is the time in seconds, an

Otrada [13]

Answer:

okay, y=(1)/(2)*\sin (x-(\pi )/(4))

Step-by-step explanation:

dc,.lasbkjdflbfjskfnb

6 0

3 years ago

The following a function (6,3), (-1,2), (-1,-1), (4,3)

Akimi4 [234]

for an expression or relation to be a function, it must not have any x-coordinate values repeated, let's check this one

$\bf (6,3), (\stackrel{\stackrel{rep eated}{\downarrow }}{-1},2), (\stackrel{\stackrel{rep eated}{\downarrow }}{-1},-1), (4,3)\qquad \textit{not a function}$

5 0

3 years ago

Find the square root.<br> V121 =

lidiya [134]

Answer:

Step-by-step explanation:

$\sqrt{121} = \sqrt{11 \times 11} = 11 \\$

6 0

3 years ago

Deisha saved d dollars last month. This month she saved $8 more than 3 times the amount she saved last month. She saved a total

DaniilM [7]

Answer:

Step-by-step explanation:

3 0

2 years ago