Answer:
5.5 km/h
Step-by-step explanation:
→ 5% of 110
→ (5/100) × 110
→ 0.05 × 110
→ 5.5 km/h
PLEASE HELP!!!!!! ASAP
Answer:
It's b
Step-by-step explanation:
Yo last one c'monnn pls someone!!
Answer:
a + (-c), b, c - (-b)
Step-by-step explanation:
First, identify the values of each point.
a = -1
b = 2
c = 3
Now, we can solve for the problems listed below the number line. We already know b = 2, so we don't need to solve for that one.
c - (-b) = 3 - (-2)
3 - (-2) = 3 + 2
= 5
--------------------------
a + (-c) = -1 + (-3)
-1 + (-3) = -1 -3
= -4
Now we can list the choices in order from least to greatest.
-4, 2, 5
aka; a + (-c), b, c - (-b)
hope this helps!
what’s the answer to this problem , figure out the area and perimeter of this triangle
Answer:
Area = 67.5 m²
Perimeter = 69 m
Step-by-step explanation:
Area of triangle:b = 27 m & h = 5 m
[tex]\sf \boxed{\text{\bf Area of triangle =$\dfrac{1}{2}bh$}}[/tex]
[tex]\sf = \dfrac{1}{2}*27*5\\\\ =\dfrac{135}{2}\\\\= 67.5 \ m^2[/tex]
Perimeter of triangle:Perimeter = sum of all sides
= 27 + 34 + 8
= 69 m
help math grade 8 find the derivatives
Answer:
1. 7x^6
2. 25x^4
3. -3x^-4
4. -4x^-3
5. 20x
Step-by-step explanation:
Multiply the power by the coefficient, answer is your new coefficient. then reduce the power by 1.
please help! im a bit confused on this
If a fair die is rolled 7 times, what is the probability, rounded to the nearest thousandth, of getting at least 4 threes?
Answer:
0.904
EX ; Each time the die is rolled, there are only two possible outcomes, either the result is a 2, or it is not. The result on a roll is independent of any other roll, which means that the binomial distribution is used to solve this question.
Binomial probability distribution
- The parameters are:
x is the number of successes.
n is the number of trials.
p is the probability of a success on a single trial.
In this problem:
- The die is rolled 7 times, hence .
One out of the 6 sides is a 2, hence
- Then:
0.905 = 90.5% probability of getting at most 2 twos.
(Essay Worth 10 points) Below are the data collected from two random samples of 500 American students on the number of hours they spend in school per day (rounded to the nearest hour):
Meg concludes that students spend a mean of 7 hours in school each day. Tara thinks the mean is 6 hours. Who is correct—Meg or Tara? Explain your answer in two or three sentences. Make sure to use facts to support your answer.
The claim of Tara is correct about who thinks the mean of the students is 6 hours in school each day.
What is mean of the data set?The mean of the data is the average value of the given data. The mean of the data is the ratio of the sum of all the values of data to the total number of values of data.
The data which is collected from two random samples of a total 500 American students on the number of hours spend in school per day.
The mean of the data from sample A and B is,
[tex]\text{Mean}=\dfrac{4(70+80)+5(100+90)+6(125+120)+7(135+125)+8(70+85)}{70+80+100+90+125+120+135+125+70+85}\\\text{Mean}=\dfrac{6080}{1000}\\\text{Mean}=6.08[/tex]
The mean is approx 6 hours in school each day.
Now, Meg concludes that mean of students is 7 hours in school each day while Tara thinks the mean is 6 hours.
Thus, the claim of Tara is correct about who thinks the mean of the students is 6 hours in school each day.
Learn more about the mean of the data here;
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Evaluate the following expression.
4+24
Cost price= $350 and selling price= $400. find the profit percent.
[tex]\large\boxed {Formula:Profit\% = \frac{(SP - CP)}{CP} \times 100}[/tex]
First, we'll have to deduct the cost price (350) from the selling price (400).
[tex]400 - 350[/tex]
[tex] = 50[/tex]
Now, we'll have to divide the deducted amount (50) by the cost price (350) and multiply by 100.
[tex] \frac{50}{350} \times 100[/tex]
[tex] = 14.28571429 \: \%[/tex]
= 14.3%
Hence, the profit is 14.3%
400-350/350*100
=14.3%
Nine seconds elapsed from the time Mark saw the lightning until he heard the thunder. The lightning was about how many kilometers from Mark? (Sound travels about 331 meters per second in air.)
Thirteen people are entered in a race. If there are no ties, in how many ways can the first
three places be awarded?
A) 858
B) 1684
C) 1716
D) 39
Answer:
Answer c
Mark brainliest :)
A Crime scene investigator arrived at an auto accident to collect information. A car had hit a pedestrian sending a box he was carrying into the air. Luckily, the pedestrian was unharmed. In order to determine the speed the car was travelling at impact, the investigator needs to find out how high the box went into the air. Here aare the notes that he took from the scene. A 5 foot tall witness said that he saw the box fly up just above a tree next to where the accident happened. He was standing 25 feet from a tree. The angle of elevation as the witness looked up at the tree was 45. Determine the height of the tree, which will tell you the height the box flew into the air.
Answer:
no the height of the tree doesnt determine the heiht of the box, thatd be a pretty large box if so
What number of cakes sold is an outlier
Answer:
9
Step-by-step explanation:
it is the odd one out, also because it is spread away from the other data points
Question 7 (1 point)
What is the value of "b" in the following quadratic? (Make sure the equation is in
standard form: ax^2 + bx+c=0)
4x^2 = 36
Answer:
0
Step-by-step explanation:
4x²=36
=> 4x²+0x-36=0
if we look at the standard form
before the x is b I the standard form and in the question 0 is before the x because their isn't an x. this makes a= 4, b=0 and c=-36
Can someone help me out on this question! I’ll give mark you brainliest if you answer!!!
Part A
Answer: School BReason:
The range, IQR, and the standard deviation are all measures of spread.
IQR stands for Interquartile Range. Unfortunately your teacher made a typo and wrote IRQ by mistake.
The symbol [tex]\sigma[/tex] is the greek letter sigma used to represent the population standard deviation.
The smaller these measures are, the more less spread out the values will be. This leads to the most consistent data set. Think of it like being on an archery range. The more consistent shots are closely clustered around the same point (not necessarily the center), while the less consistent shots are more randomly scattered about.
School B has the smallest range, IQR, and standard deviation of the three schools. Therefore, this school has the most consistent attendance.
=============================================================
Part B
Answer: School CReason:
This school has the highest mean, and also the largest median, of all three schools. Both of these are measures of center or average. Compared to school B, this data set is a bit more spread out and not as consistent.
A bookshelf can hold 16 pounds. each book weighs 8 ounces. how many books can the shelf hold?
The time, in seconds, that it takes a pendulum to swing back and forth is modeled by the equation below. f (l) = 2 pi startroot startfraction l over 32 endfraction endroot, where l is the length of the pendulum in feet what is the approximate length of a pendulum that takes 2.4 pi seconds to swing back and forth? 1.72 ft 3.05 ft 38.40 ft 46.08 ft
Considering the given equation for the time, it is found that the length of the pendulum in this problem is of 38.40 ft.
What is the equation for the time it takes for the pendulum to swing back and forth?The equation is given as follows:
[tex]f(l) = 2\pi\frac{l}{32}[/tex]
In which l is the length of the pendulum.
In this problem, we have that [tex]f(l) = 2.4\pi[/tex], hence:
[tex]f(l) = 2\pi\frac{l}{32}[/tex]
[tex]2.4\pi = 2\pi\frac{l}{32}[/tex]
l = 32 x 1.2
l = 38.4 ft.
More can be learned about equations at https://brainly.com/question/25537936
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Answer:
c
Step-by-step explanation:
just did it
What is the value of e?
A 32
B 238
C 58
D 122
A bus travels 9 miles north
and 4 miles west from its
original location.
How far is the bus from its
original location?
Answer:
3 miles?
Step-by-step explanation:
Plot the zeros of this function:
f(x)=(x-1)(x-7)
Answer:
The zeros of this function are x=(1,7)
Step-by-step explanation:
A square has a perimeter of 144. what is the length of each side?
[tex]~~~~~~~~\text{Perimeter of square} = 144\\\\\implies 4 \times \text{Side} = 144\\\\\implies \text{Side} = \dfrac{144}4\\\\\implies \text{Side} = 36\\\\\text{Hence the length of each side is 36 units.}[/tex]
Answer:
36
Step-by-step explanation:
In a Square,
perimeter (p) = 144
Length of side (L) = ?
we know,
p=4*L
144 = 4 *L
L = 144/4
L = 36
Since, All side of Square are equal . so,the length of each side is 36.
Note : you hadn't give unit in your question .
Which equation represents a circle that contains the point (–2, 8) and has a center at (4, 0)? distance formula: startroot (x 2 minus x 1) squared (y 2 minus y 1) squared endroot (x – 4)2 y2 = 100 (x – 4)2 y2 = 10 x2 (y – 4)² = 10 x2 (y – 4)² = 100
The equation of a circle that contains the point (–2, 8) and has a center at (4, 0) is (x - 4)² + y² = 10²
What is an equation?An equation is an expression that shows the relationship between two or more variables and numbers.
The circle contains the point (–2, 8) and has a center at (4, 0), hence:
[tex]radius=\sqrt{(0-8)^2+(4-(-2))^2}=10\ units[/tex]
The equation is:
(x - 4)² + (y - 0)² = 10²
(x - 4)² + y² = 10²
The equation of a circle that contains the point (–2, 8) and has a center at (4, 0) is (x - 4)² + y² = 10²
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Answer:
A
Step-by-step explanation:
the first one is the answer
Complete the equivalent ratio diagram to find cheese stick
Answer:
The blank on the top is 0.31 because that is what you multiply 80 by
The blank in the middle is 24.8 because that's what you get when you multiply 80 by 0.31
The blank on the bottom is 0.31 because that is what you multiply 80 by
Step-by-step explanation:
Use proportions to solve
80/100 = x / 31
80*31 = 100x
2480 = 100x
x = 24.8
Solve for x. Round to the nearest tenth, if necessary.
Answer:
x = 14
Step-by-step explanation.
First I would use sine to find x's value. So ----> sin(30) = 7/x ----> x sin(30) = 7 ----> x = 7/sin(30) = 14.
You Can also find that x is equal to 14 by applying the 30, 60, 90, triangle rule. Becuase '7' opposes the 30 degree angle it is 1/2 the hypotenuse, if thats the case just multiply the 7 by 2 and you have the hypotenuse length.
Mrs. Lee just bought a new rug. The rug is 7 feet long and 8 feet wide. What is the area of her rug?
Please Answer This Ixl Asap!
Answer:
Perimeter = 90
Step-by-step explanation:
We're going to start with HI and go around the circle (and triangle, clockwise) see image. HI is 11. From H to G, then also has to be 11.
Subtract 26 - 11 to find LG. LG is 15.
If LG is 15, then LK is also 15. Subtract 34 - 15 to find JK.
JK is 19, so JI is also 19.
Two sides of the triangle are 34 and 26. The other side is 19+11=30.
Perimeter = 34+26+30
= 90
HELP ME PLEASE !!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
C
Step-by-step explanation:
she wants to get information about the behavior of registered voters, but she surveys newspaper subscribers.
we have no clue, if they are registered voters.
if they are not, then the information does not apply.
if they are a mixture, then the survey mixed apples and oranges and does not provide usable information.
only if they all are also registered voters (which we don't know), this would provide some useful information.
but even in that last case I have to say she would have gotten information only about voters reading a specific newspaper. this particular newspaper might be one with especially short or long political commentaries. for better results the demographic sample population should cover multiple newspapers, or be newspaper independent (by picking the sample from voters registration lists instead of newspaper subscription lists).
need help with all of these questions you see on the top. there the red squares. please someone smart. this is one of the problems I need to finish this tonight
Answer:
254.5 ft^3
Step-by-step explanation:
The volume of a cylinder is the area of the base times its height. To find the area of the base, since it is a circle, you would use the area formula of a circle([tex]\pi r^{2}[/tex] where r is the radius). So, the circle would have an area of 81 π. Now, multiplying this by the height, you get the volume. Since the height is just 1, the volume would be 81π which is 254.469004941. This rounded to the nearest tenth is 254.5.
what is the slope of (–4, 2) and (5, 6)?
up 1 over +2 if your cords are (-4,2) and (5,6)
6) write 36 + 60 as a product using the gcf as one of the factors.
36 + 60 =
?
?
+ ?