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2 years ago

7

What is

2 answers:

dangina [55]2 years ago

8 0

Answer:

A

Step-by-step explanation:

Murrr4er [49]2 years ago

5 0

Because 512+217 is 729, it is A

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The dual bar chart shows the hair colour of boys and girls in a year group. What fraction of the red haired students are boys? G

Step2247 [10]

Answer:

$\frac{3}{4}$

Step-by-step explanation:

Total red haired students = 15+5 = 20

Boys = 15

<u><em>Fraction:</em></u>

=> $\frac{15}{20}$

<u><em>In simplest form:</em></u>

=> $\frac{3}{4}$

3 0

3 years ago

A metallic spherical ball of radius 14 cm is being melted and recast it into spherical balls of radius 2 cm. How many spherical

mojhsa [17]

Volume of sphere = 4/3 x pi x r^3

Volume of large sphere:

4/3 x 3.14 x 14^3 = 11488.21 cubic cm

Volume of smaller sphere:

4/3 x 3.14 x 2^3 = 33.49 cubic cm

Number of small spheres = volume of large sphere/ volume of small sphere

11488.21 / 33.49 = 343.03

Round to 343 small spheres

4 0

2 years ago

Alan can type 80 words in two

Sonbull [250]

Answer:

2400 words

Step-by-step explanation:

80 = 2 min

60min ÷ 2min = 30min

30 × 80 = 2400 words

3 0

2 years ago

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Complete the square to solve<br> LaTeX: 0=-x^2+4x-5<br> Also written as<br> 0= -x^2+4x-5

Feliz [49]

X=2+-(plus or minus)i

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3 years ago

Change 5000 meters to kilometers.

VikaD [51]

100% sure its B. 5 Km

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2 years ago

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