The mean number of correct answers will be equal to 385.
What is mean?
The mean is defined as the ratio of the sum of the all the numbers given by the total count of the numbers.
The total questions are 770 and consist of the true and false.
The mean of the numbers will be given as:-
Mean = 770 / 2 = 385
Therefore mean the number of correct answers will be equal to 385.
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Danielle poured 3/4 gallon of water from a 7/8 gallon bucket.How much water is left in the bucket?
Answer:
1/8
Step-by-step explanation:
3/4 = 6/8 after you multiply top and bottom by 2
Subtract 3/4 from 7/8 and we get
7/8 - 3/4 = 7/8 - 6/8 = (7-6)/8 = 1/8
There is 1/8 of a gallon left
Charlie and Violet met for lunch at a restaurant between their two locations (exactly in the middle). It took
Charlie 2.6 hours to get there, but it only took Violet two hours because she was driving 15 mph faster than
Charlie. The distance between the two of them initially was 260 miles. Find the speed of the two drivers.
Charlie
Violet
mph
mph
Answer:
Charlie 55 miles per hour
Violet 65 miles per hour
Step-by-step explanation:
Charlie and Violet met for lunch at a restaurant between Memphis and New Orleans. Since, Charlie left Memphis and drove towards New Orleans, and Violet left New Orleans and drove towards Memphis, the total distance that they covered altogether is the total distance between Memphis and New Orleans.
It is given that the distance between Memphis and New Orleans is 394 miles. This means, the total distance both covered = 394 miles
Charlie drove for 4.8 hours and Violet drove for 2 hours. Let the speed of Charlie be x miles per hour. Since, the speed of Violet was 10 miles per hour faster than Charlies, the speed of charlie was (x + 10) miles per hour
Since, distance = speed multiplied by time
Distance covered by Charlie = 4.8x
Distance covered by Violet = 2(x + 10)
Altogether they covered 394 miles,
So,
394 = Distance covered by Charlie + Distance covered by Violet
394 = 4.8x + 2(x + 10)
394 = 4.8x + 2x + 20
374 = 6.8x
x = 55
Since, x represents the speed of Charlie, the speed of charlie was 55 miles per hour and speed of Violet was 65 miles per hour
last year megan had 63 books in her collection now she has 112 books what is the percentage increase
Answer:
56.25%
Step-by-step explanation:
Divide
63/112 = .5625
Convert to a percentage
56.25%
The two trapezoids are congruent. What is the value of x?
Answer:
x=15
Step-by-step explanation:
Could you give me the reason please ?ASAP thank you.
can someone help me really fast?
If 4(x – 3) + x = –2x + 10, what is the value of x?
Answer:
x=22/7
Step-by-step explanation:
4x-12+x=-2x+10
5x-12=-2x+10
5x=-2x+10+12
5x=-2x+22
5x+2x=22
7x=22
x=22/7
First person gets brainliest 4
45+9
Answer:
54
Step-by-step explanation:
Answer:
54
Step-by-step explanation:
Explain how to change 86% into an equivalent ratio written in simplest form
Answer:
I can't explain here since I can't write numbers.
Step-by-step explanation:
HELP WITH THESE 3 questions please !!! Please dont give me the wrong answers thanks I really need help
Answer:
We use similar triangles to get
16
15
25
brainliest pls
The four tables below show relationships in which the x values represent inputs and the y values represent the corresponding
outputs.
R
s
T
y
re
y
y
3
-2
-5
-2
3
4
1
3
2
4
1
3
4
5
3
-3
3
7
3
3
3
4
S
3
4
10
5
3
4
-5
Which table represents a relationship that is not a function?
a e
b. R
c. S
d. T
Answer:
T
Step-by-step explanation:
Has more than one x for a given y.
How many cm of framing are needed to make a picture frame with outside measurements 40 cm and 25 cm
Answer:
For average sized artwork (about 11x14" to 30x20"), the common mat width is 2". If you artwork is smaller, you might consider a 1.75 or 1.5" mat.
Step-by-step explanation:
if m=6 and n=12 what is 2m+5
Answer:
17
Step-by-step explanation:
2m+5
2(6)+5
12+5
17
Answer:
2m+5
2(6)+5 ( if m=6, n=12 )
2×6+5
12+5
17
Step-by-step explanation:
Hope it is helpful.....
What are indications of a computer hardware problem? Check all that apply.
The printer is printing in black and white.
The keyboard keys are getting stuck.
plz
The computer monitor is going blank.
The pointer of the mouse freezes.
The images on the monitor look sharp.
Step-by-step explanation:
the answer is the keyboard keys getting stuck, it's something you can touch and feel, thus it's an hardware problem
Answer:
The printer is printing in black and white
Step-by-step explanation:
Are the expressions
5
(
x
+
2
)
+
10
and
5
x
+
12
equivalent, and why?
Answer:
Yes it is equivalent
Step-by-step explanation:
Simply 5(x+2)+10 and you will get 5x+12
look at image it will give you the qeustion
Answer:
B
Step-by-step explanation:
I would think be because it's the only one that crosses the rest don't
At a part-time summer job, Luiz earn $10.10 per hour. Which equation can be used to find how many
hours he must work to earn $232.30?
A. 232.30x - 10.10
B. 10.10x - 232.30
C. 10.10+ x - 232.30
D. x - 10.10+232.30
Answer:
I would say it is B
Step-by-step explanation:
Because to find the value of x, you would need to divided 232.30 by 10.10, you have to use the opposite for algebra so the opposite is multiplication.
I WILL GIVE BRAINLIEST! PLEASE HURRY
Answer:
it's the thrid one as 30% is correct
Answer:
More than 30% of the students surveyed chose Red as their favorite color
Step-by-step explanation:
Which table represents a quadratic function?
Answer:
Step-by-step explanation:
the bottom one forms a straight line.. so not that one
but the top one looks more like a cubic function .. maybe it could be a quadratic.
What is the probability of spinning a green on the above spinner and rolling a 2 on a dice?
Answer:
Step-by-step explanation:
given klmn is a parallelogram ka-angle bisector
Here are 7 numbers.
3.51
3
.
1.1
4.
4.5
2.5
2.81
Calculate the mean of these 7 numbers.
Answer:
3.06
I hope this helps you :)
please help me solve this.
Use the following probability model to answer the question.
Event: For each adult resident in a city we ask how many
vehicles they own.
Number of Vehicles
Probability
0.04
0
1
0.41
0.38
0.13
UWN
0.03
0.01
Find the probability that an adult resident has 3 or more
vehicles. Give your answer as a number between 0 and 1.
Answer:
Step-by-step explanation:
Number of Vehicles Probability
0 0.04
1 0.41
2 0.38
3 0.13
4 0.03
5 0.01
X= 1
.13+.03+.01=0.17 (the amount with 3 or more cars)
0.17/1(Total amount of all probability)= 0.17 has 3 or more cars.
Probability is the chance of an event to occur from a total number of outcomes.
The formula for probability is given as:
Probability = Number of required events / Total number of outcomes.
The probability that an adult resident has 3 or more is 0.17
What is probability?
It is the chance of an event to occur from a total number of outcomes.
The formula for probability is given as:
Probability = Number of required events / Total number of outcomes.
We have,
The probability distribution of the number of vehicles is given as,
P(x) where x is the number of vehicles.
P(0) = 0.4
P(1) = 0.41
P(2) = 0.38
P(3) = 0.13
P(4) = 0.3
P(5) = 0.1
The probability that an adult resident has 3 or more.
= P(3) + P(4) + P(4)
= 0.13 + 0.03 + 0.01
= 0.17
Thus,
The probability that an adult resident has 3 or more is 0.17
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What are 5 other types of waves (besides visible light) that are found in electromagnetic spectrum.
Answer:
The other types of EM radiation that make up the electromagnetic spectrum are microwaves, infrared light, ultraviolet light, X-rays and gamma-rays.
Step-by-step explanation:
Internet.
Using pythagorean therom whats the answer ??
a2 + b2 = c2
Solve
10x + 4
= 8
7
ASAP
Answer:
10x + 4/7 = 8
10x + 4 = 56
10x = 52
x = 5.2
what is the value of x?
Answer:
can be anything
Step-by-step explanation:
there's no context
Answer:
The letter "x" is oftenly used in algebra to mean the value that not shown yet it is even called a variable or sometimes even unknown in example x+5=10 , the 'x' is the variable.
I hope this will help u
Please help me find a
Answer:
Step-by-step explanation:
6 + 1.5x = -12 please answer
Answer:
-12
Step-by-step explanation:
6 + 1.5x = -12
1.5x = -18
x = -12
What equation is equal to 2y= 2x + 2?
Answer:
y = x+1
Step-by-step explanation:
2y = 2x+2 ( divide both sides of the equation with 2)
y = x + 1