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3 years ago

An artist can paint 4 paintings in 2 hours. Whats the artist unit rate?

1 answer:

5 0

There is a total of 120 minutes in 2 hours. you would divide 120 by 4 and you would get 30 minutes. 30 minutes for each painting.

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4. These two triangles are scaled copies of one another. The area of the smaller triangle

a_sh-v [17]

Is there picture of the triangles?

3 0

4 years ago

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The result I got was e^{2} which i'm not sure is the right answer

san4es73 [151]

Answer:

e²

Step-by-step explanation:

hello : here is the solution

7 0

3 years ago

The formula V = Bh, where B represents the area of the base, can be used to find the volume of a rectangular prism. Which formul

zhenek [66]

Answer:B

V = l. w. h

Step-by-step explanation:

Volume of a rectangular prism is base area * height

The base is a rectangle, hence, the base area equals area of a rectangle which is length * width

Replacing base area (B) in the formula,

V = Bh

V= l * w * h

8 0

4 years ago

Read 2 more answers

A piece of wire 28 ft long is cut into two pieces. One piece is used to form a square, and the remaining piece is used to form a

marusya05 [52]

Answer:

Wire should be cut in two parts with the length = 15.69 ft and 12.31 ft

Step-by-step explanation:

Length of the wire = 28 ft has been cut in two pieces.

One piece is used to form a square and remaining piece to form a circle.

Let the length of the wire which forms the square is 'l' ft.

Area of the square = (side)²

Perimeter of the square = 4(side) = l

Length of one side = $\frac{l}{4}$

So, the area of the square = $\frac{l^{2}}{16}$ ft²

Now length of the remaining part = perimeter of the circle = (28 - l) ft

2πr = (28 - l)

r = $\frac{28-l}{2\pi }$

Area of the circle formed = πr²

= $\frac{\pi(28-l)^{2} }{4(\pi )^{2} }$

= $\frac{(28-l)^{2}}{4\pi }$

Combined area of the square and circle

= $\frac{l^{2}}{16}$ + $\frac{(28-l)^{2}}{4\pi }$

Now to maximize the area we will find the derivative of the area with respect to l.

$\frac{dA}{dl}=\frac{d}{dl}[\frac{l^{2}}{16}+\frac{(28-l)^{2}}{4\pi}]$

= $\frac{d}{dl}[\frac{l^{2}}{16}+\frac{(28)^{2}+l^{2}-56l }{4\pi }]$

= $\frac{2l}{16}+\frac{(2l-56)}{4\pi }$

Now equate the derivative to zero.

$\frac{2l}{16}+\frac{(2l-56)}{4\pi }$ = 0

$(2l-56)=-\frac{2l}{16}\times 4\pi$

$(2l-56)=-\frac{\pi l}{2}$

$2l+\frac{\pi l}{2}=56$

$\frac{(4l+l\pi )}{2}=56$

l(4 + π) = 112

l(4 + 3.14) = 112

l = $\frac{112}{7.14}$

l = 15.69 ft

Length of the other part = 28 - 15.69 = 12.31 ft

Therefore, wire should be cut in two parts with the length = 15.69 ft and 12.31 ft

8 0

3 years ago

shawn is typing a paper for class. he can type 1 1/7 pages in 1/3 of an hour. how many pages can shawn type in one hour?

SCORPION-xisa [38]

He could type 3 3/7 in one hour.I think this because since it is 1/3 you would have to multiply it by 3.So you multiply 1/3 by 3,It would give one hour.When you multiply 1 1/7 by 3 it would give you 3 3/7.

4 0

3 years ago