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g100num [7]
2 years ago
9

a gold bar that is 16 centimeters by 2.5 centimeters by 5 centimeters has a density of 19.3 grams per cubic centimeter. what is

the mass of the gold bar?
Mathematics
2 answers:
insens350 [35]2 years ago
8 0
The volume of the bar is:
16*2.5*5= 200 cm3
the mass is:
200*19.3= 3860 grams
Delvig [45]2 years ago
4 0

Answer:

Mass of the gold bar is 3860 grams.

Step-by-step explanation:

The dimensions of the gold bar is 16 centimeters by 2.5 centimeters by 5 centimeters.

The density of the gold bar is 19.3 grams per cubic centimeter.

We know the formula,

\text{density}=\frac{\text{mass}}{\text{volume}}

Volume = 16×2.5×5 = 200 cubic centimeters.

Substituting the known values in the above formula, we get

19.3=\frac{\text{mass}}{200}\\\\\text{mass}=200\times19.3\\\\\text{mass}=3860\text{ grams}

Hence, mass of the gold bar is 3860 grams.

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Find the slope of the line with x intercept 9 and y intercept of -2
elena-s [515]

Answer:

2/9

Step-by-step explanation:

Find the slope of the line with x intercept 9 and y intercept of -2

Given that the equation of the line is y = mx+b

x intercept occurs when y = 0

The coordinate of x intercept is (9,0)

y intercept occurs at x = 0

The coordinate of y intercept is (0, -2)

Slope m = y2-y1/x2-x1

m = -2-0/0-9

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Hence the required slope is 2/9

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3 years ago
Rani is making rice pudding. She uses
Goryan [66]

Rani will use 3/2 cups of white rice for 3 cups of milk.

<h3>What is termed as unitary method?</h3>

"It is a method in which we obtain the value of a single unit by subtracting the value of multiple units and thus the value of multiple units by subtracting the value of a single unit."

  • The value of several things is given in the unitary method, and we must either figure out the significance of more or lesser things.
  • To do so, we must first determine the value of one item by division and then determine the value of ever more or fewer items by multiplication.

Now, for the given question;

1 cup of white rice is required for every 2 cups of milk by Rani.

Thus,

2 cups of milk ------> 1 cup of white rice.

So, using unitary method. Divide both side by 2.

1 cups of milk ------> 1/2 cup of white rice.

Now, calculate for the 3 cups of milk.

multiplying both side by 3.

3 cups of milk ------> 3/2 cup of white rice.

Therefore, the 3/2 cups of white rice required for the 3 cups of milk.

To know more about unitary method, here

brainly.com/question/28540270

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6 0
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A card is drawn at random from a standard deck of cards. What is the probability that the card is black or a face card
LenaWriter [7]

Answer:

there is a 26 out of 52 of a chance

Step-by-step explanation:

6 0
2 years ago
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Answer:

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1600*0.85
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