Nick randomly selects a digit from the set { 0 , 1 , 2 , . . . , 9 } and a letter from the set { A, B, C, . . ., Z } . Matthew will try to guess both the digit and the letter. Which expression gives the probability that Matthew will incorrectly guess both the digit and the letter?
Answers
Answer: 259/260 or 0.99615 (depending on which answer format your teacher wants)
There are 10 numbers in the set {0, 1, 2, ..., 9}. There are 26 letters in the set {A, B, C, ..., Z}. Multiply those values: 10*26 = 260. So there are 260 ways to pick a number followed by a letter. One example is 7P.
There is only one way Matthew can get the correct answer, and there are 260 - 1 = 259 ways to get the wrong answer. We divide 259 over 260 to get the probability of getting the incorrect answer, which is 259/260.
If you need this fraction in decimal form, then use a calculator to find that 259/260 = 0.99615 approximately
Related Questions
The volume of a cube is 400 m3. Which statements are true about the same cube measured in cubic centimeters?Choose all answers that are correct.A.The number representing the volume would decrease.B.The number representing the volume would increase.C.The actual volume would decrease.D.The actual volume would increase.E.The actual volume would stay the same.
Numbers that follow a rule
Can someone explain what's n+1-3n=-5+n+1-2
15 plus the difference of 10 and a number X is 15 (X=?)
Answers
width - b
Area= a*b
320=ab
b=4/5a
320=
400=
a=
a=20
b=16
Answer:
Read below.
Step-by-step explanation:
A=l*w
320=l*(4/5)l
320=(4/5)(l2)
(5/4)(320)=(5/4)(4/5)(l2)
5(80)=l2 (320/4=80)
400=l2
√400=√l2
20=l
w=(4/5)(20)
w=4*4 (20/5=4)
w=16
length=20 feet
width=16 feet
If you don't understand square roots, maybe you understand prime factorization.
320=2*2*2*2*2*2*5=(2*2*2*2)*(2*2*5)=16*20 and 16 is 4/5 of 20
If you don't understand prime factorization you can use trial and error.
2*160
4*80
5*64
8*40
10*32
16*20 answer, because 16 is 4/5 or 0.8 times 20
Answers
Answer:
3/8
Step-by-step explanation:
2/3 * y = 1/4
divide by 2/3 on both sides
y = (1/4) / (2/3)
y = 3/8
Answers
Answer:
$9/ per pound of shrimp
Step-by-step explanation:
Answer: $9 per pound
Step-by-step explanation:
The unit rate is the amount of money per pound of shrimp.
Divide the money by the number shrimp to find the unit rate.
36 / 4 = 9
The unit rate is $9 per pound.
Answers
Answer:
The correct graph is attached below.
Step-by-step explanation:
Given:
Initial temperature is 0°.
Decrease in temperature per hour is 12°.
Since, the initial temperature is 0°, the line must pass through the origin as temperature is plotted along the y-axis.
Also, decrease in temperature per hour is 12°. So, this represents the slope of the line. So, the slope should be -12 as there is decrease in temperature with increasing time.
So, the correct graph will be a line passing through origin and the slope of the line must be -12. Also, the temperatures will be along the negative y-axis as the values are decreasing with time.
Hence, the third graph is the correct one and is shown below.
Answers
Change the percentage into a decimal by dividing it over 100:
Divide 18 by 0.2:
18/90= 0.2 OR 20%
Answers
Answer:
Answer:
(x -6) (x -6) or (x -6)^2
Step-by-step explanation:
Given : x^2 − 12x + 36
since the leading coefficent for this equation is 1, we take 36 and find 2 factors that 36 has, and also adds up to -12. That would be -6, and -6 because -6 + -6 = -12 AND -6 x -6 = 36 , therefore -6 and -6 are the numbers we are looking for. Which makes this the anwer:
(x -6) (x -6) or (x -6)^2
If you don't understand how I got my answer, you can watch this video:
https://youtu.be/-4jANGlJRSY
make sure to copy it, and paste it in your search bar.