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adoni [48]
3 years ago
12

Please help me out ?!

Mathematics
1 answer:
Paraphin [41]3 years ago
4 0
To find the surface area of this figure, we simply have to add up the individual areas of the shapes that make up the figure.

Surface area = 4(area of triangle) + area of square
Surface area = 4 ( 1/2 * base * height) + side^2
Surface area = 4( 1/2 * 6 * 7) + 6^2
Surface area = 4 (3 * 7) + 36
Surface area = 4(21) + 36
Surface area = 84 + 36
Surface area = 120 cm^2

Hope this helps!
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A programmer wants to display how the shape of a rectangle with a fixed perimeter of 375 inches can be changed by varying the re
Nina [5.8K]

Answer:

A = 187.5L - L^2

So,

g(l) = 187.5l - l^2

Step-by-step explanation:

The perimeter of a rectangle is given by:

P = 2(L + B)

Where P = perimeter

L = Length

B = Width

Making B the subject of formula, we have;

B = P/2 - L ......1

The area of a rectangle is:

A = L × B ........2

Substituting equation 1 to 2.

A = L × (P/2 - L)

A = LP/2 - L^2 .......3

Given that the perimeter P = 375 inches

A = L(375)/2 - L^2

A = 187.5L - L^2

So,

g(l) = 187.5l - l^2

7 0
2 years ago
Rashawn read 25 pages of his book each day until he finished the book. His book was 400 pages long.
tatyana61 [14]
B is your correct answer.

7 0
3 years ago
Find the circumference of the circle with radius 28 cm.<br><br>​
Artist 52 [7]

The circumference of the circle that has a radius of 28 cm is: 175.9 cm..

<h3>What is the Circumference of a Circle?</h3>

Circumference of a circle = 2 × π × r, where r = radius of the circle.

Given that a circle has:

radius (r) = 28 cm

Therefore:

Circumference of the circle = 2 × π × r

Plug in the value of r

Circumference = 2 × π × 28

= 175.9 cm.

Learn more about circumference of circle on:

brainly.com/question/20489969

4 0
2 years ago
Read 2 more answers
Please help asap 25 pts
natulia [17]

Answer:

C and D

Step-by-step explanation:

in equations y=4x+9 and y=4x-9 you have the same slope (4) so paralleling is guaranteed.

y=9 and y=18 you can understand as y=0x+9 and y=0x+18, so in this situation you have the same slope (0), so lines y=9 and y=18 are parallel too.

5 0
3 years ago
F(5)=-3x+10 what will the domain and range be
Vladimir [108]
F= -3/5 x+2. Hope this helps

3 0
2 years ago
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