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cupoosta [38]
3 years ago
13

Elliot wants to compare the density of four objects to the density of water. Elliot knows that if an object sinks in water, it h

as a higher density than water and that if an object floats in water, it has a lower density than water.
Which of the following is a scientific investigation that Elliot could conduct to test the densities of the objects?
A.
Elliot could put the four objects in water to see if they sink or float.
B.
Elliot could look up the densities of the objects in a textbook.
C.
Elliot could ask his teacher which object has the greatest density.
D.
Elliot could put the objects in water to see how much water they absorb.
Mathematics
1 answer:
matrenka [14]3 years ago
3 0

Answer: A would be the best answer

Step-by-step explanation:

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Vesnalui [34]

Answer:

0.5

Step-by-step explanation:

because while solving a probability question you divide it by thee full number

4 0
2 years ago
What equation models the data in the table if d = number of days and c = cost?
dedylja [7]

Answer:

c=3d

Step-by-step explanation:

What equation models the data in the table if d = number of days and c = cost? Days Cost 2 6 3 9 5 15 6 18

Answer: An equation is a statement used to show the relationship between variables and shows the equality between two expressions. We want to find the relationship between the number of days and the cost.

Given that:

Days  Cost

2          6

3          9

5         15

6         18

Lets take the ratio of days to cost using the first row:

\frac{d}{c}=\frac{2}{6}\\  \frac{d}{c}=\frac{1}{3}\\c=3d

The relationship c = 3d is true for all values of days and cost

3 0
2 years ago
How do i solve this?? lol
Nana76 [90]

Answer:

w = 5\pi

Step-by-step explanation:

Not sure if it wants an integer as an answer but:

Step 1 - Move the negative 3π to the right.

-3\pi + w = 2\pi \\w = 2\pi + 3\pi

Step 2 - Simplify by adding together

w = 5\pi

Hope this helps!

7 0
2 years ago
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How many cards must be drawn​ (without replacement) from a standard deck of 52 to guarantee that ten of the cards will be of the
marta [7]
37 cards. 9 cards of every suit + 1 more card to guarantee the 10 cards by pigeonhole principle.
4 0
3 years ago
5% commission rate of 14.98
Arisa [49]

Answer:  If you mean 5% of $14.98, it is $0.75  75 cents

If you mean 14.98 represents a 5% commission on what sale amount

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Step-by-step explanation:

Change the percent to a decimal and  multiply by the sale amount.

0.05 × 14.98 = .749  Round to .75

If 14.98 is the 5% commission,  divide 14.98/.05= 299.60

7 0
3 years ago
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