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Sauron [17]
3 years ago
15

The mass of a solid cube with side length of 2 cm is 12 g. Which is the closest to the density of the cube? Show your work. A)0.

67g/cm^3 B)1.5 g/cm^3. C) 3 g/cm^3 D) 60 g/cm^3
Mathematics
1 answer:
yan [13]3 years ago
3 0
D = m/v
V = 2•2•2 = 8cm^3
D = 12/8 = 1.5g/cm^3

Answer is B
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V=M/D
grigory [225]
D=M/V. You just multiply both sides by D to get DV=M, then divide V by both sides.
8 0
3 years ago
A bag contains four red marbles, two green ones, one lavender one, three yellows, and one orange marble. HINT (See Example 7.] H
Murljashka [212]

Answer:  35

Step-by-step explanation:

Given : A bag contains four red marbles, two green ones, one lavender one, three yellows, and one orange marble.

Total = 4+2+1+3+1=11

To find sets of four marbles include none of the red ones, we need to exclude red marbles when we count the total number of marbles.

Then, the total marbles(exclude red) =11-4=7

Now, the combination of 7 marbles taking 4 at a time is given by :-

^7C_4=\dfrac{7!}{4!(7-4)!}=\dfrac{7\times6\times5\times4!}{4!3!}=35

Hence, the number of sets of four marbles include none of the red ones = 35

4 0
2 years ago
Can someone please help me?
natulia [17]

Answer:

#3

Step-by-step explanation:

It implies that Douglass and his siblings nearly forgot about their early lives.

6 0
3 years ago
Subtract and reduce to lowest terms: 4 - 5/8
lord [1]

Answer: 3 3/8

Hope this helps!

7 0
3 years ago
Please help. <br>I will mark brainliest
telo118 [61]

Answer: the x-intercept is (-10,0), the y-intercept is (0,45/2)

Explanation:

First, we need to determine the function describing the line.

From the table, it is obvious that the y values increase by 9 every increase of 4 of the x values. So, the slope is 9/4 and the function looks like this:

y = m x+ b = \frac{9}{4}x + b

with the y-intercept (or bias) b still unknown. This can be determined by using one of the point from the table, like so:

-18 = \frac{9}{4}\cdot 2+b\\\implies b = -18 -\frac{9}{2}=\frac{45}{2}\\y = \frac{9}{4}x+\frac{45}{2}

The above function form makes it easy to read off the y-intercept, which is (0,45/2) or (0,22.5). The x-intercept is obtained by setting y = 0 and solving for x:

y = \frac{9}{4}x+\frac{45}{2}\\0 = \frac{9}{4}x+\frac{45}{2}\\-\frac{45}{2}=\frac{9}{4}x\\x = -10

The x-intercept is (-10,0)

5 0
3 years ago
Read 2 more answers
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