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Rom4ik [11]
3 years ago
11

Work out the answers to these questions 47+ 6.2 +86.7 79.88+59+4.55

Mathematics
1 answer:
Lilit [14]3 years ago
3 0

Answer:

1. 139.9

2. 143.43

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Need Help with these problems can so,e some explain and give me the answers.​
kotegsom [21]

Answer:

there you go all the answers

4 0
3 years ago
Plz plz help me i really need help
olya-2409 [2.1K]
Area = πr². So you have the diameter which is 56 millimeters. And the radius (r) is half the diameter, so the radius would be 28 mm. Square 28 would be 784, multiplied by π would equal 2463.00864mm. Rounded to the nearest hundredth would be 2843.01mm².

3 0
3 years ago
What is the volume of this square pyramid?
tatuchka [14]

Answer: 1296 cm³

Step-by-step explanation:

Since, the volume of a square pyramid is,

V = \frac{a^2h}{3}

Where a = side of the square base,

h = height of the pyramid,

By the given diagram,

a = 18 cm,

h = 12 cm,

Hence, the volume of the given pyramid,

V = \frac{18^2\times 12}{3}

= \frac{324\times 12}{3}

=\frac{3888}{3}

=1296 cube cm.

⇒ First option is correct.

5 0
3 years ago
What are the x-intercepts of the function f(x) = –2x2 – 3x + 20?
lesya [120]

Answer:

F27

Step-by-step explanation:

5 0
3 years ago
Explain how are fractions, decimals, and percent related
erik [133]

Answer:

the relationship between fractions, decimals and percents is that they are just different numerical expressions of the same value.

Step-by-step explanation:

For example, 50% = \frac{50}{100} = 0.50

5 0
3 years ago
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