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Soloha48 [4]
3 years ago
11

What is the length of the rectangular prism if it has a width of 13 meters, a helght of 17 meters, and a volume of 2,873

Mathematics
1 answer:
pentagon [3]3 years ago
6 0

Answer:

The length is 13m.

Step-by-step explanation:

v = lwh \\  \\ 2873 = l(13)(17) \\ 2873 = 221l \\ l = 2873  \div 221 \\ l = 13

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In the ellipse, if c=6cm, and b=8cm, what is the length of the major axis?
kondor19780726 [428]

Answer:

Option B). 10 cm

Step-by-step explanation:

Distance between center and the focus of an ellipse is given by the formula,

c² = a² - b²

where, a = length of the major axis

b = length of the minor axis

and c = distance between focus and center

If c = 6 cm, b = 8 cm,

6² = a² - 8²

a² = 6² + 8²

a² = 36 + 64

a² = 100

a = 10 cm

Therefore, length of the major axis is 10 cm.

Option (B) is the answer.

4 0
3 years ago
4x + 6 - x = 7 + 2 x
rodikova [14]

Answer:

x = 1

Step-by-step explanation:

4x + 6 - x = 7 + 2x

3x + 6 = 7 + 2x

3x - 2x = 7 - 6

x = 1

8 0
3 years ago
Read 2 more answers
Write 169=13^2 in logarithmic form​
e-lub [12.9K]

Answer:

\log_{13}(169)=2

Step-by-step explanation:

The given exponential form is:

169=13^2

The base of the given expression on the right is 13 and the exponent is 2.

The number is 169.

In terms of logarithms, the base still remains the base and the exponent becomes the result of the logarithm of the number 169 to the given base 13.

\log_{13}(169)=2

4 0
3 years ago
What is the algebraic expression of the difference of 4 times a and b?
vagabundo [1.1K]

Answer:

4(a+b)

Step-by-step explanation:

5 0
3 years ago
class A has 13 pupils and class b has 28 pupils both classes sit the same maths test the mean score for class A is 23 the mean s
Wittaler [7]

Answer:

46.22

Step-by-step explanation:

Class A total= 23 x 13= 299

Clas B total= 57 x 28= 1596

total score= 299 + 1596 = 1895

total mean= 1895 ÷ (13+28) = 1895 ÷ 41

                 = 46.22

7 0
2 years ago
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