What are the two solutions of the equation (-3n)(2n-5)=0

Answers

Answer 1

Answer: (-3n)(2n-5)=0
you need to find when -3n=0 and when 2n-5=0
a.
-3n=0
n=0
b.
2n-5=0
2n=5
n=2.5

answer n = 0, 2.5

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Which of the following is an example of empirical probability?A. Darren threw a football to Ted 15 times, and Ted caught it 13 times. The probability Ted will catch a throw is .B. Jena has 8 T-shirts in a drawer, and 3 of them are blue. The probability of pulling out a blue T-shirt is .C. When a coin is flipped, heads and tails are equally likely. The probability of heads is .D. A spinner has 4 equal sections numbered 1 to 4. The probability of spinning the number 1

Answers

Empirical probability is the ratio of the number of outcomes with the actual number of trials. This means that it relies on experimental data and not on the theoretical probability.

The only options that makes use of actual data or the trials done is
A. Darren threw a football to Ted 15 times, and Ted caught it 13 times. The probability Ted will catch a throw is .

Doors for the small cabinets or 19.5 inches long. Doors for the large cabinets are 3.9 times as long as the doors for the small candidates. How many large doors can be cut from a board that is 11 feet long.

Answers

Answer: 1 large door.

Step-by-step explanation:

You know that the lenght of each door for the small cabinets is:

$lenght_((small))=19.5\ in$

Since the lenght of the doors for the large cabinets are 3.9 times as long as the doors for the small candidates, the lenght of any of these doors is:

$lenght_((large))=3.9(19.5\ in)=76.05\ in$

The lenght of the board is 11 feet, so you need to convert it to inches:

$(11\ ft)((12\ in)/(1\ ft))=132\ in$

Then, the number of large doors that can be cut from that board is:

$(132\ in)/(76.05\ in)=1.73$

So, 1 large door can be cut from that board.

How do you factor 3x^2-7x-2

Answers

3x^2-7x-2

doesn't factor

You can not factor this

I hope that's help !

An open box will be made from a rectangular piece of cardboard that is 8 in. by 10 in. The box will be cut on the dashed red lines, removing the corners, and then folded up on the dotted lines. What is the MAXIMUM possible volume for the box?A) 1.5 in3
B) 5.8 in3
C) 52 in3
D) 64 in3

Answers

The correct answer is this one: "C) 52 in3."

Given the illustration, we can be able to know the dimensions of the formed box.

The dimensions are
Length: 10 - 2x
Width: 8 - 2x
Height: x

So the volume is
Volume = (10-2x) * (8-2x) * (x)
Let x = 2.5
Volume = (5) * (3) * (2.5) = 37.5
Let x = 2
Volume = (6) * (4) * (2) = 48
Let x = 1.5
Volume = (7) * (5) * (1.5) = 52.5
Let x = 1
Volume = (8) * (6) * (1) = 48
Let x = 0.5
Volume = (9) * (7) * (.5) = 31.5

Answer:

Step-by-step explanation:

The height, width, and length of the box will be (x)(8 - 2x)(10 - 2x). The volume of the box will be 4x3 - 36x2 + 80x = 0 Use a graphing calculator to graph the polynomial. Use the maximum feature to see the greatest volume the box can have. Be sure to set your window accordingly and think about what constraints are on the box. The maximum volume for the box is 52 in3. The cut would be 1.5 inches long. This is where the graph crosses the x-axis.

A field goal kicker has a 90% success rate for field goals less than 40 yards. What is the probability that the kicker makes the next four out of four field goal attempts under 40 yards?Round the percentage to the nearest whole number.