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tankabanditka [31]
3 years ago
11

Help me please with this question

Mathematics
2 answers:
Schach [20]3 years ago
5 0
The answer is B
you have to find the cubic roots of 27 and 729 to find the side lengths of the cubes. The first one has a side length is 3, and the second one has a side length of 9 which s 3x larger.
pls make me brainliest ! ;-)
rodikova [14]3 years ago
3 0

Answer:

B

Step-by-step explanation:

Ratio of sides = a : b , then

Ratio of volumes = a³ : b³

Here the ratio of volumes = 27 : 729, hence

Ratio of sides = \sqrt[3]{27} : \sqrt[3]{729} = 3 : 9

Ratio of sides = 3 : 9 = 1 : 3 ← in simplest form

Hence sides of larger cube are 3 times sides of smaller cube → B

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Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The fi
mel-nik [20]

Answer:

Lateral Surface Area = 472 m²

Total Surface Area = 486m²

Step-by-step explanation:

The above prism is a Triangular prism

a) Lateral Surface Area = Perimeter of the Base × H

H = 29m

Perimeter of the Base = (7m + 7.28m + 2m)

= 16.28m

Lateral Surface Area = 16.28m × 29m

= 472.12 m²

Approximately to the nearest whole number = 472 m²

b) Total Surface Area

Triangular prism =

2 Triangles and 3 Rectangles

1st Triangle = 1/2 × base × Height

= 1/2 × 2m × 7m

= 7m²

2nd Triangle = 1/2 × base × height

= 1/2 × 2m × 7m

= 7m²

1st Rectangle = Length × Width

= 29m × 2m = 58m²

2nd Rectangle =

Length × Width

= 29m × 7.28m = 211.12m²

Length × Width

= 29m × 7m = 203m²

Total surface area = 7m² + 7m² + 58m² + 211.12m² + 203m²

= 486.12m²

Approximately to the nearest whole number = 486 m²

Option A is the correct option

6 0
2 years ago
THIS IS WORTH 50 POINTS I will mark you as the brainlyest only if you graph this on a GRAPH. Graph this on a GRAPH y= 1/3x+3 .
jenyasd209 [6]
I hope this helps. Keep in mind the 1/3 is slope and the 3 is y-intercept.

3 0
3 years ago
Read 2 more answers
Anyone knows the answer?
antiseptic1488 [7]
Sorry no but you can search up the question on google and maybe try that
8 0
2 years ago
Ricky types at a rate of 68 words per minute. The equation w = 68m can be used to find w, the number of words he has typed after
algol [13]

Answer:

2380

Step-by-step explanation:

3 0
2 years ago
What is the missing number in the table?
Wewaii [24]

Answer:

The missing number is 16.

Step-by-step explanation:

The ratio between x and y is 1:4. 4 times 4 is 16. Hope this helped! :)

4 0
3 years ago
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