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Luden [163]
3 years ago
13

Find the surface area of the composite object below.

Mathematics
1 answer:
pogonyaev3 years ago
4 0

Answer:

Step-by-step explanation:

area of triangular endface = ½×6×8 = 24 cm²

area of rectangular endface = 4×8 = 32 cm²

area of each endface = 24+32 = 56 cm²

area of each 3×10 face = 30 cm²

area of 3×4 face = 12 cm²

area of base = 8×3 = 24 cm²

surface area = 2×56 + 2×30 + 12 + 24 = 208 cm²

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The dimensions of a standard tennis court are 36 ft. × 78 ft. with a net that is 3 ft. high in the center. The court is modified
Tema [17]

Answer:

Modified court is not similar to the standard court

Step-by-step explanation:

Given that :

Dimension of standard tennis court:

36ft by 78ft

Net height = 3 ft

Dimension of Modified Court :

27ft by 60ft

Net height = 3ft

To examine similarity :

We obtain the dilation factor for width and length :

(Standard court length / modified court length)

= 36 ft / 27 ft

= 4 / 3

Width :

Standard court width / modified court width)

= 78 ft / 60 ft

= 13 / 10

Since the dilation factor for the width and length are different, then we can conclude that the standard and modified court are not similar

7 0
3 years ago
If Rick walked for 20 minutes at 5 miles per hour, how far did he travel? Round to the nearest tenth and type the number into th
Aleks04 [339]

Answer:

1/4 miles per minute

or

15 miles per hour

Step-by-step explanation:

Rember the equation

time * speed = distance

or

T * S = D

now plug in the known values

time = 20 min

or you could also say that the time is 1/3 hour

distance = 5 miles

20min * S = 5miles

divide by 20

S = 5 / 20

S = 1/4  mile per minute

another way of doing this with different units is

1/3 hour * S = 5 miles

divide 1/3 (same as multiplying 3)

s = 15 miles per hour

7 0
4 years ago
Pleaseeeeee help me out quickkk solve for x
xxTIMURxx [149]

Answer:

x = 27.2

Step-by-step explanation:

Apply trigonometric function to solve for x.

Reference angle = 54°

Side length opposite to reference angle = 22

Hypotenuse = x

We would apply SOH:

Sin 54 = Opp/Hyp

Sin 54 = 22/x

x*sin 54 = 22

x = 22/sin 54

x = 27.1934955 ≈ 27.2 (nearest tenth)

8 0
3 years ago
B-c,when b=8 and c=7
elixir [45]
If I understand your question correctly then it's simple all you have to do is use the numbers in the place of the b and c so the question would be what is 8-7 which equals 1 
8 0
3 years ago
If x = y, then x – a = y – a represents the ________ property of equality.
creativ13 [48]

Answer:

Subtractive Property of equality

Step-by-step explanation:

Since x = y, When you subtract anything from x, you must do the same to y for them to stay equal.

3 0
3 years ago
Read 2 more answers
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