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juin [17]
2 years ago
11

An irregularly shaped rock was lowered into a graduated cylinder holding a volume of water equal to 50 ml. The height of the wat

er rose to 75 ml. If the mass of the stone was 250 g, what was its density?
Mathematics
1 answer:
enyata [817]2 years ago
3 0

5 grams per cubic centimeter

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What is the equation of the line that is perpendicular to the
soldi70 [24.7K]

Answer:

Option (4). y = 3x - 5

Step-by-step explanation:

Given question is incomplete; here is the complete question.

What is the equation of the line that is perpendicular to the given line and passes through the point (3, 4)?

y = –1/3x + 5

y = –1/3x + 3

y = 3x + 2

y = 3x − 5

Line given in the graph passes through the points (-3, 2) and (0, 1).

Slope of the given line = \frac{y_{2}-y_1}{x_2-x_1}

                                  m = \frac{2-1}{-3-0}

                                  m = -\frac{1}{3}

Let the equation of a line perpendicular to this line is,

y - y' = m'(x - x') [Given line passes through (x', y')]

By the property of perpendicular lines,

m × m' = -1

(-\frac{1}{3}) × m' = -1

m' = 3

Equation of the perpendicular line will be,

y - 4 = 3(x - 3)

y - 4 = 3x - 9

y = 3x - 5

Option (4) will be the answer.

5 0
3 years ago
An ocicat eats 3/5 of a pound of food daily. How many ocicats can a 19 1/2-pound bag of food feed for one week?
ipn [44]

Answer:

13 Ocicats

Step-by-step explanation:

Here, we are told that an Ocicat eats 3/5 pounds of food per day.

Now, we have a bag of 19 1/2 pound of food and we want to know the number of Ocicats this will feed

What we just need to do is to divide the weight of the bag by the amount in pounds that can feed a single Ocicat

Thus, we have;

19 1/2 divided by 3/5

= 39/5 divided by 3/5

= 39/5 * 5/3

= 13 Ocicats

6 0
2 years ago
Read 2 more answers
5. Two points are 10 units apart on the coordinate plane. If
eimsori [14]

Answer:

8

Step-by-step explanation:

Let's say the ant is walking across the floor. Then it hits the wall and starts climbing to the ceiling.

We have a right triangle, as in the diagram, so we can apply Pythagoras' Theorem.

x² +  6² = 10²

x² + 36 = 100

       x² =  64

        x =     8

The ant must walk eight vertical units.

3 0
3 years ago
What is the answer to 90x144?
I am Lyosha [343]
The Answer Is 12,960.
4 0
2 years ago
Help please!!!!!!<br><br> Look at the picture
Maksim231197 [3]

Answer:

answer is y=2x+3? for the question

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2 years ago
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