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leva [86]
3 years ago
15

Tess made a mosaic in art class with different-shaped tiles. She started by putting 2 rows of t triangle tiles at the top of the

mosaic and 2 rows of c circle tiles at the bottom. She finished by putting 20 square tiles in between the triangle and circle tiles.
Pick all the expressions that represent how many tiles Tess used on her mosaic.

A.) 20 + 2t + 2c
B.) 20 + 4 ( t + c )
C.) 2 ( 20 + t + c )
D.) 20 + t + t + c + c
Mathematics
1 answer:
borishaifa [10]3 years ago
7 0

Answer:

you mean Tessa right

Step-by-step explanation:

get it, because my name is tessa? lol

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The lateral area of a cylinder is 325 pi inch^2. The radius is 13 in. Find the surface area and volume. Please show all work!!!
USPshnik [31]
Answer:

Surface area =  663π in².
Volume = (676/3)π in² ≈ 225.33 π in²

Explanation:


1) We know the radius and the lateral area.

2) With the radius you can find the areas of the top and the bottom.

For that, you use the formula: 

area of the top = area of the bottom = π r² 


∴ π (13 in)² = 169π in² (each)


3) Then, the surface area is the sum of the lateral area and the two bases (top and bottom)

surface area = lateral area + bottom area + top area = 325π in² + 2×169π in² = 663π in².

3) You  can also find the height of the cylinder.

Use the formula: lateral area = 2π r h


∴ h = lateral area / [2 π r]

⇒ h = 325 π / [ 2π (13) ] = 12.5 in


4) With  the height you can find the volume.

Use the formula: V = (4/3) π r³ 

∴ V = (4/3) π (13 in)³ = (676/3)π in² ≈ 225.33 π in²
8 0
3 years ago
Perimeter of 60 , length is 3 times the width, what are the dimensions
Murljashka [212]
Length - l

Width - w

Given,

Perimeter = 60 

2(l +w) = 60

l + w = 30 

l = 30 - w

Given,

l = 3w

30 - w = 3w

4w = 30

--- w = 7.5

--- l = 3w = 3 * 7.5 = 29.5

Hence, the length of the rectangle is 29.5 and the width is 7.5
7 0
3 years ago
Find the approximate value of the circumference of a circle with the given radius. Use = 3.14. Round your results to one more de
Natali5045456 [20]
C = 2 x 3.14 x 4.6
C = 28.89 

answer 
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5 0
3 years ago
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prohojiy [21]
The probability that Jane opens a prime page in a 24-page magazine is 0.375. There are 9 prime numbers between 1-24 and they are: 2,3,5,7,11,13,17,19, and 23. To calculate, Probability = Events/Number of Outcomes which is 9/24 = 0.375. Hope this helps.
7 0
3 years ago
Read 2 more answers
HELP DUE IN 15 MINS!<br><br> x=??
ad-work [718]

Answer:

Step-by-step explanation:

Remark

The angle formed by the intersection of a tangent to a circle and an intersecting secant is 1/2 (Arc PS - arc PR)

PS = 208

PR = 74

Solution

x = 1/2 (208 - 74)

x = 1/2 (134)

x = 67

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2 years ago
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