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Gnesinka [82]
3 years ago
10

What is the surface area?4cm3 cm​

Mathematics
1 answer:
kherson [118]3 years ago
8 0

Answer:

4 \times 3 \times 4 \times 3 \\  \\

Step-by-step explanation:

The answer is 144

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Expand each of the following equation<br> a. (1+x) 1/2
Vilka [71]

My answer is in the image

3 0
3 years ago
At noon, a submarine was located at 5 12 meters below
Cerrena [4.2K]
-512 is the answer because 512 is a negative solution in Integers math
7 0
3 years ago
How to find cube root without find the prime factors​
dsp73

Answer:

Below.

Step-by-step explanation:

One method is by Trial and Improvement.

Example: Find the cube root of  20.

We know that cube root of 8 is 2 and cube root of 27 is 3 so the cube root of 20 is between 2 and 3.

So we could try 2.5:

2.5^3 = 6.25 * 2.5  - Use long multiplication to get 15.625.

So we need to go higher so we try 2.6*3:

=  17.576

2.7^3 = 19.683.

2.8^2 = 21.952.

The results are either side of 20 with 19.683 the closest.

So we can say  that the cube root is 2.7 to the nearest tenth.

Further calculations are necessary to get an answer correct to the nearest hundredth.

This is a rather long process.......

4 0
3 years ago
Kaden works 5 days. The median number of hours he works is 3. The mean number of hours he works is 4.
alisha [4.7K]

Answer:

(a) 1, 2, 3, 6, 8

Step-by-step explanation:

Given

Median = 3

Mean = 4

Required

The sequence of hours worked each day

<em>See attachment for options</em>

From the question, we understand that:

Median = 3

This means that, the middle number is 3 (when sorted)

So, we can conclude that (b) and (c) cannot be true because their middle numbers are 6 and 5 respectively

Next, is to determine the mean of (a) and (d)

The mean of a data is calculated as:

\bar x = \frac{\sum x}{n}

So, we have:

(a)

\bar x = \frac{1+ 2+ 3+ 6+ 8}{5}

\bar x = \frac{20}{5}

\bar x = 4

(d)

\bar x = \frac{1+ 2+ 3+ 4+ 5}{5}

\bar x = \frac{15}{5}

\bar x = 3

Option (a) is true, because it has:

Median = 3

Mean = 4

7 0
3 years ago
The polynomial x3 + 8 is equal to
kondor19780726 [428]

Step-by-step explanation:

The polynomial x³ + 8 is equal to (x + 2)(x² - 2x + 4)

= (x + 2)(x² - 2x + 4)

= x³ - 2x² + 4x + 2x² - 4x + 8

= x³ + (-2 + 2)x² + (4 - 4)x + 8

= x³ + 8

7 0
3 years ago
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