A rock is placed in a graduated cylinder to determine its volume. The following data are obtained. What is the volume of the rock?Initial volume of water: 13.7 mL
Final volume of water: 28.9 mL

Answers

Answer 1

Answer: easy
when rock is in water, it takes up a certain volume, say x
so
initial+x=final volume
luckily we have final and inital
13.7ml+x=28.9ml
minus 13.7ml both sides
x=15.2ml

the volme of the rock is 15.2ml

Answer 2

Answer:

Answer:

The answer is 15.2 cm ^3

The other guy was wrong. (sorry if I'm to late.)

Step-by-step explanation:

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One leg of an isosceles right triangle measures 5 inches. Rounded to the nearest tenth, what is the approximate length of the hypotenuse?a.) 2.5 inches b.) 5.0 inches c.) 7.1 inches d.) 9.8 inches

Answers

c right there i think

The answer is C. 7.1 inches

the boiling point of krypton is -152°c. the boiling point of radon is -6 °c What is the difference between the two boiling points?

Answers

The deference is -146.

152-6 = 146 degrees celcius

Help?!?!Amanda is trying to determine the typical mass of eggs that are produced by each of her chickens. Which of the following will give her the most accurate measurement?

A. Take the chicken with the average weight, and determine the average mass of all the eggs laid by that chicken after a few months.
B. Take a random sample of chickens, and determine the average mass of 20 random eggs laid by those chickens.
C. Take a random sample of eggs from each chicken over a few months, and determine the average mass of all the eggs.
D. Take a random sample of eggs from each chicken over a few months, and determine the average mass from each sample of eggs.

Answers

its d as then you have more accurate measurings than the others

Change 335/4 into a whole mixed number.

Answers

the answer would be 83 and 3/4 for a whole mixed number .

Simplify

81^5 = 3^x
x=

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

(3^4)^5=3^(4*5)=3^20

3^20=3^x

x=20

Quadrilateral ABCD is inscribed in a circle. m A is 64°, m B is (6x + 4)°, and m C is (9x - 1)°. What is m D?A. 64°
B. 82°
C. 90°
D. 98°
E. 116°

Answers

Answer: Choice D) 98 degrees

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Explanation:

The quadrilateral is inscribed in the circle which means every corner point (A,B,C,D) is on the circle. No part of the quadrilateral is outside the circle.

One property of inscribed quadrilaterals is that the opposite angles add to 180 degrees. So,
A+C = 180
B+D = 180

We know that
A = 64
B = 6x+4
C = 9x-1

Let's use angles A and C to find x
A+C = 180
64+9x-1= 180
9x+63 = 180
9x+63-63 = 180-63
9x = 117
9x/9 = 117/9
x = 13

Which helps us find angle B
B = 6x+4
B = 6*13+4
B = 78+4
B = 82 degrees

Then we can finally find angle D
B+D = 180
82+D = 180
82+D-82 = 180-82
D = 98 degrees

Answer:

choiced c 98

Step-by-step explanation:

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