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3 years ago

15

A designer of carved lawn figures needs to reduce the size of a statue by making each linear dimension 40% of the original. If a

volume of N cm3 of wood was used to carve the original statue, how many cubic centimeters of wood are needed to make the smaller statue?

1 answer:

Leya [2.2K]3 years ago

8 0

Answer:

N x (0.4)^3

Step-by-step explanation:

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Among 9 electrical components exactly one is known not to function properly. If 3 components are randomly selected, find the pro

kozerog [31]

Answer:

P=0.66

Step-by-step explanation:

We know that Among 9 electrical components, exactly one is known not to function properly. If 3 components are randomly selected.

We calculate the probability that all selected components function properly.

We calculate the number of possible combinations:

$C_3^9=\frac{9!}{3!(9-3)!}=84$

We calculate the number of favorable combinations:

$C_3^8=\frac{8!}{3!(8-3)!}=56$

Therefore the probability is:

$P=\frac{56}{84}\\\\P=0.66$

6 0

3 years ago

Find the length to the nearest tenth of a foot.

lozanna [386]

9514 1404 393

Answer:

6.2 feet

Step-by-step explanation:

The mnemonic SOA CAH TOA reminds you of the relationship between angles and sides of a right triangle. Here, we have the side opposite the 58° angle, and we want to know the side adjacent. The relevant relation is ...

Tan = Opposite/Adjacent

tan(58°) = (10 feet)/x

x = (10 feet)/tan(58°) ≈ 6.249 feet

The length of the shadow is about 6.2 feet.

6 0

3 years ago

Hiii please help i’ll give brainliest thanks

slava [35]

Answer:

The answer is 0

Hope this helps!

5 0

2 years ago

Read 2 more answers

Translate "the quotient of 5 and a" into an algebraic expression.

mash [69]

I need 5 more points to ask a q please <33

4 0

3 years ago

forsale [732]

Answer:

C

Step-by-step explanation:

Given

x² - 3x - 12 = 0 ( add 12 to both sides )

x² - 3x = 12

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- $\frac{3}{2}$ )x + $\frac{9}{4}$ = 12 + $\frac{9}{4}$

(x - $\frac{3}{2}$ )² = $\frac{57}{4}$ ( take the square root of both sides )

x - $\frac{3}{2}$ = ± $\sqrt{\frac{57}{4} }$ = ± $\frac{\sqrt{57} }{2}$ ( add $\frac{3}{2}$ to both sides )

x = $\frac{3}{2}$ ± $\frac{\sqrt{57} }{2}$

Then

x = $\frac{3}{2}$ + $\frac{\sqrt{57} }{2}$ ≈ 5.27 ( to the nearest hundredth )

x = $\frac{3}{2}$ - $\frac{\sqrt{57} }{2}$ ≈ - 2.27 ( to the nearest hundredth )

3 0

3 years ago