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-Dominant- [34]
3 years ago
11

A brass ornament has a volume of 24cm^3.

Mathematics
1 answer:
dedylja [7]3 years ago
3 0

For this case we have that by definition, the density is given by:

d = \frac {M} {V}

Where:

M: It is the mass

V: It is the volume

According to the data of the statement we have:

V = 24 \ cm ^ 3\\d = 8.7 \frac {g} {cm ^ 3}

So, the mass is given by:

M = d * V\\M = 24 \ cm ^ 3 * 8.7 \frac {g} {cm ^ 3}\\M = 208.8 \ g

Thus, the mass of the brass ornament is208.8 \ g

Answer:

208.8 \ g

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Based on the image, which list of 3 points are collinear?
Whitepunk [10]

Answer:

Collinear occurs when the two points has the same gradient,

So, for this question any line that forms by any three points would be collinear.

Hence, EBF,DGC,MGN,BGA are all collinears

Step-by-step explanation:

3 0
3 years ago
Please help with this ratio problem!
MA_775_DIABLO [31]

The total Number of Stamps that John has is; 798 Stamps

<h3>How to Solve Ratio Problems?</h3>

John, Mike and Tom shared a box of stamps in the ratio of 6:7:11.

This means that, the fraction of the whole each have are respectively;

John's Fraction = 6/(6 + 7 + 11) = 6/24

Mikes Fraction = 7/24

Tom's Fraction = 11/24

If the total number of stamps is x, and Tom had 532 more stamps than mike, then it means that;

11x/24 = 7x/24 + 532

11x/24 - 7x/24 = 532

x/6 = 532

x = 3192

Thus;

John has; (6/24) * 3192 = 798 Stamps

Read more about Ratio Problems at; brainly.com/question/1781657

#SPJ1

8 0
1 year ago
Emily borrows £580 from a bank at an interest rate of 896 per year.
PSYCHO15rus [73]

Answer: £4,164

Step-by-step explanation: multiply 896 by 4 to get £3,584 next add 580 to 3,584 to get £4,164

8 0
3 years ago
Read 2 more answers
Need helpppp gajsgajshajda​
marissa [1.9K]
Answer: 1.) 14.66666666666667
2.) 20

Steps:
1.) 180 = 3x + 136
180 -136 = 3x
44 = 3x
44/3 = x
14.66666666666667 = x

2.) 70 + x = 90
x = 90 - 70
x = 20

I would appreciate brainliest if this was helpful and correct! ;)
8 0
3 years ago
A large on-demand, video streaming company is designing a large-scale survey to determine the mean amount of time corporate exec
Firdavs [7]

Answer:

554 executives should be surveyed.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1 - 0.95}{2} = 0.025

Now, we have to find z in the Z-table as such z has a p-value of 1 - \alpha.

That is z with a pvalue of 1 - 0.025 = 0.975, so Z = 1.96.

Now, find the margin of error M as such

M = z\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

Standard deviation of 3 hours.

This means that \sigma = 3

The 95% level of confidence is to be used. How many executives should be surveyed?

n executives should be surveyed, and n is found with M = 0.25. So

M = z\frac{\sigma}{\sqrt{n}}

0.25 = 1.96\frac{3}{\sqrt{n}}

0.25\sqrt{n} = 1.96*3

\sqrt{n} = \frac{1.96*3}{0.25}

(\sqrt{n})^2 = (\frac{1.96*3}{0.25})^2

n = 553.2

Rounding up:

554 executives should be surveyed.

8 0
3 years ago
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