Jamie wants to know the volume of his gold ring in cubic centimeters. He gets a rectangular glass with a base 3
cm
3 cm by
2
cm
2 cm and fills the glass
4
cm
4 cm high with water. Jamie drops his gold ring in the glass and measures the new height of the water to be
4
.
2
5
cm
4.25 cm.
What is the volume of Jamie's ring in cubic centimeters?
Answers
Answer:
1.50 cm^3.
Step-by-step explanation:
The ring will displace its own volume of water.
The increase in height of the water = 4.25 - 4 = 0.25 cm.
Therefore the increase in the volume = area of the base of the glass * 0.25
= 3 * 2 * 0.25
= 6 * 0.25
= 1.50 cm^3.
This is also the volume of the ring.
Answer:
1.5
Step-by-step explanation:
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If the teams best time for the race isn’t less than 4 minutes, then the eighth graders earn 40 points. If not, seventh earn 40 points. Which grade should be awarded 40 points The time for each team is 56.81, 59.22, 57.39, and 60.11
The perimeter of a rectangle is 50 inches. The width of the rectangle is 10 inches. What is the length of the rectangle?
a. Janice randomly selects a bottle from the cooler. Then David randomly selects a bottle from the cooler. What is the probability that both Janice and David will select orange juice? Express your answer as a percent. Show your work.
b. Assume that both Janice and David selected orange juice. After drinking these juices, Janice and David randomly each pick another bottle from the cooler. What is the probability that neither will pick grape juice? Show your work and write your answer as a percent.
Answers
B) 15-2=13, so the chances that neither of them will pick grape juice is 6.5%
I think this is right, but you might want to check it if anyone else answers because I havn't done this in maths for a while.
a) Assuming that the bottles are not replaced from the fridge each time:
5+6+4=15
So 5/15 x 4/14 = 2/21
2/21 x 100 = 9.524%
b) So now there are only 13 bottles in the fridge:
4/13 x 3/12 = 1/13
1/13 x 100 = 7.692%
Hope I helped.
Answers
Answer:
add up all numbers
then divide that number by the amount of numbers.
Step-by-step explanation:
mad is basically finding the average of a set of numbers.
and how do you do that?
first, add up all numbers
ex: 1, 5,3,10,6,20,15,15,14 --> this adds up to 90.
then divide that number by the amount of numbers.
count how much numbers ehere are: there are 9 numbers.
divide 90 by 9 and the mad/average is 10.
plz give brainliestttt
Answer:
Here is an example..:
Find the M.A.D of the set of data
10.2 , 9.4, 11.3, 12.9
( so, we just have to add up all numbers )
10.2 + 9.4 + 11.3 + 12.9 = 43.8
Then we divide them by 4, you might be wondering..why 4?
that's because there are about 4 numbers in the data set.
So:
43.8
____= 10.95 (we found the mean! :D)
4
After that, we just have to subtract the mean (10.95) to the same numbers (or the so called data set)
10.95 - 10.2 = 0.75
10.95 - 9.4 = 1.55
10.95 - 11.3 = 0.35
10.95 - 12.9 = 1.95
For our final step, we just add up all the difference, then, divide it by 4 again.
0.75 + 1.55 + 0.35 + 1.95 = 4.6
--------- = 1.15
4
~hope this helps, have a good day/afternoon/night~
Answers
The area of a trapezoid is calculated by the formula = (1/2)*(sum of parallel sides)*(perpendicular distance between them).
The diagram of the window is provided along with the dimensions.
What is a trapezoid? How do we calculate its area?
A trapezoid is a quadrilateral with a necessary one pair of parallel lines.
The area of a trapezoid is calculated by the formula = (1/2)*(sum of parallel sides)*(perpendicular distance between them)
How do we solve the given question?
We are said about the windows on the International Space Station, that its long base is 15.2 feet, the short base is 11.2 feet and the perpendicular height between them is 8.4 feet. By the given information we can say that the given window is of trapezoid shape.
The diagram with dimensions is provided in the solution.
To find the area of the trapezoid we will use the discussed formula,
The area of a trapezoid is calculated by the formula = (1/2)*(sum of parallel sides)*(perpendicular distance between them)
∴ Area = (1/2)*(15.2 + 11.2)*(8.4)
or, Area = 0.5*26.4*8.4 = 110.88 square feet
∴ Area of the window = 110.88 square feet.
Learn more about Trapezoids at
#SPJ2
Answer:
The formula is Area = base+base/2 x height.
Step-by-step explanation:
This means that we need to add both bases, then divide that by 2. The quotient of that gets multiplied by the height, and you have your answer.
please hurry.
Answers
k=273.15+c
that's one of them
Answers
Answer:
The answer is (B)
Step-by-step explanation:
* At first we must now the dimensions of the matrix AB
- If we have two matrices the first of dimension m × n
and the other of dimension p × q, the multiplication is
exist if n = p and the dimension of the answer is m × q
∵ The dimension of matrix A is 3 × 2
∵ The dimension of matrix B is 2 × 2
∴ The dimension of AB will be 3 × 2
* From the answer we have only 2 answers have the same
dimension, answer B and answer D
- To find each element in AB we will multiply each raw
in A with each column in B lets do it
∵ 1 × 1 + (-4) × (-2) = 1 + 8 = 9 ⇒ 1st raw , 1st column
∵ 1 × 7 + (-4) × 11 = 7 - 44 = -37 ⇒ 1st raw , 2nd column
∵ (-3) × 1 + 2 × (-2) = -3 - 4= -7 ⇒ 2nd raw , 1st column
∵ (-3) × 7 + 2 × 11 = -21 + 22 = 1 ⇒ 2nd raw , 2nd column
∵ 7 × 1 + (-5) × (-2) = 7 + 10 = 17 ⇒ 3rd raw , 1st column
∵ 7 × 7 + (-5) × 11 = 49 - 55 = -6 ⇒ 3rd raw , 2nd column
* AB =
* The answer is (B)
Answers
Answer:
12.57cm
Step-by-step explanation:
circumference =2^r
=2×22/7×2
=12.57cm