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WINSTONCH [101]
3 years ago
8

Help me with 1 and 2 please

Mathematics
2 answers:
choli [55]3 years ago
7 0

Answer:

1) 2744cm^3

2)1176cm^2

Step-by-step explanation:

1)Since it's a square, the sides are all equal length. And volume=base×width×height

thus we can multiply 14×14×14=14^3=2744cm^3

2)for surface area we can find the area of on side and multiply it by 6 because the square has six equal sides. thus, area=base×height so, area=14×14=14^2=196cm^2

Now we multiply it by 6 which is equal to 1176cm^2

lana66690 [7]3 years ago
6 0

Answer:

C) 2744 cm

Step-by-step explanation:

To find the volume of a cube you have to use this equation:

V = a^3

Now plug in the number:

V = 14^3

14^3 or 14*14*14 = 2,744

The volume is 2,744 cm

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Factor the following:<br><br> 1. 5(a+3)²- (a+3<br><br> 2. p²- 6 - q · (p²- 6)²
scoundrel [369]

Answer:

1. (a + 3)(5a-14)

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Step-by-step explanation:

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Then the expression. 5(a + 3)^2- (a + 3) remains as:

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2. The first thing to do to factor the expression is to take the expression  p^2 -6 as its common factor with its lowest exponent.

Then the expression p^2- 6 - q(p^2- 6)^2 remains as:

(p^2-6)[1-q (p^2-6)]

8 0
3 years ago
Find the product then simplify the anwser.<br> 3/4×9/4=
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Answer:

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please mark me the most brainliest

Step-by-step explanation:

6 0
3 years ago
A music industry researcher wants to estimate, with a 90% confidence level, the proportion of young urban people (ages 21 to 35
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Answer:

21378

Step-by-step explanation:

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With this, we can solve

and get p = 21377.5975 and rounded to 21378

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