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Sati [7]
2 years ago
14

A block of wood 3.0 cm on each side and has a mass of 27 g. What is the density of this block.

Mathematics
1 answer:
Sidana [21]2 years ago
8 0
The density is 1g/cm³. To calculate density, the equation density=mass/volume is used. You already know the mass, 27g, but you need the volume. The equation for volume is length x width x height. Plug in your side measure 3, to get 3 x 3 x 3, which is 27cm³. Now, just divide the mass by the volume. 27g/27cm³= 1g/cm³
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kow [346]

Answer:

-7

Step-by-step explanation:

8x - 2 = 7x - 9

8x - 2 - 7x = 7x - 9 - 7x

x - 2 = -9

x - 2 + 2 = -9 + 2

x = -7

4 0
3 years ago
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Allushta [10]
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3 years ago
Two factories I and II produce phones for brand ABC. Factory I produces 60% of all ABC phones, and factory II produces 40%. 10%
denpristay [2]

Answer:

0.3721 or 37.21%

Step-by-step explanation:

P(I) = 0.60; P(II) = 0.40;

P(not defective I) = 0.90; P(not defective II) = 0.80

The probability that the phone came from factory II, given that is not defective, is determined by the probability of a phone from factory II not being defective divided by the probability of a phone not being defective.

P(II|not) = \frac{P(II)*P(not_{II})}{P(II)*P(not_{II})+P(I)*P(not_{I})}\\P(II|not) = \frac{0.40*0.80}{0.40*0.80+0.60*0.90}\\ P(II|not) =0.3721 = 37.21\%

The probability is 0.3721 or 37.21%.

4 0
3 years ago
(8x^2+6x-4)/2 <br> ?????????
mixer [17]

Answer:

Shawty's like a melody in my head

That I can't keep out, got me singin' like

Na-na-na-na, everyday

It's like my iPod stuck on replay, replay-ay-ay-ay

Shawty's like a melody in my head

That I can't keep out, got me singin' like (ayy!)

Na-na-na-na, everyday

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Step-by-step explanation:

Shawty's like a melody in my head

That I can't keep out, got me singin' like

Na-na-na-na, everyday

It's like my iPod stuck on replay, replay-ay-ay-ay

Shawty's like a melody in my head

That I can't keep out, got me singin' like (ayy!)

Na-na-na-na, everyday

It's like my iPod stuck on replay (J-J-J-JR), replay

4 0
2 years ago
Read 2 more answers
What decimal is equivalent to 41 ?<br> 100
BlackZzzverrR [31]

Answer:

In the fraction 41/100, 41 is the numerator and 100 is the denominator, the fraction bar means "divided by". So to convert 41/100 as decimal number we simply divide the numerator by denominator.

When we calculated 41 divided by 100, we found that 41/100 in decimal form is:

41 ÷ 100 = 0.41

Therefore, the decimal equivalent of 41/100 is 0.41

Step-by-step explanation:

Hope it is helpful....

8 0
3 years ago
Read 2 more answers
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