Answer:
(C) Square root of 80
Step-by-step explanation:
4²=16
16x5=80
Two-fifths of the stage crew are girls. if there are 30 members of the stage crew, how many are girls?
Answer:
12 girls
Step-by-step explanation:
30*(2/5)=12
A circle with a radius of 1 in. is inscribed in a right triangle with legs of 3 in. and 4 in. If a point is randomly chosen within the triangle, what is the probability that the point is NOT also in the circle?
Answer:
P = (6-π)/6Explanation:
Circle Area:
CA = 1²×π
CA ≈ π in²
Triangle Area:
TA = 3×4/2 = 6 in²
Probability:
P(point not in circle) = (6-π)/6 ≈ 0.48 ≈ 47.64%
I WILL GIVE BRAINLIEST IF YOU ANSWER THIS QUESTION CORRECTLY!What is the shape of the distribution shown below?
Choose 1 answer:
(Choice A)
The distribution is left-tailed.
(Choice B)
The distribution is approximately symmetrical.
(Choice C)
The distribution is right-tailed.
Answer:
pretty sure it's B!
Step-by-step explanation:
B the distribution is approximately symmetrical
HELP TIMED URGENT PLS
Answer:
3 cm!
Step-by-step explanation:
Volume= length times width times height
90/3=30
30/10=3!
Two equivalent fractions for 1/6?
Answer:
[tex]\frac{2}{12}[/tex] or [tex]\frac{3}{18}[/tex]
Step-by-step explanation:
[tex]\frac{1}{6} = \frac{2}{12}=\frac{3}{18}[/tex]
blank plus 1/5 equals to 1/2
Answer: 3/10
Step-by-step explanation:
To get the value for the blank, treat it as a variable. Let’s say this blank is x.
x + 1/5 = 1/2
Subtract 1/5 from both sides:
x = 1/2 – 1/5
x = 3/10
The blank is 3/10.
Hope this helps!
Can you help me!!! This is due in a couple hours
Answer:
A (1,3,2)
:))
Solve each of the following equations show its solution set a number line your answers |5-7r| =3
Answer:
R= 2/7 or 8/7
Step-by-step explanation:
make a number line of 1/7 fraction and plot the dots
PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!
Answer:
The measure of Angle 6 would be 123 degrees.
Step-by-step explanation:
Since A and B are parallel, then Angle 1 and Angle 5 are the same angle. And a straight line is 180 degrees. This means that you would do 180-57, which is 123 degrees.
An airplane is flying at an altitude 0f 2000 feet toward an island. It is at a distance d
of 6500 feet from the landing point. Find the angle of approach,
Answer:
21
Step-by-step explanation:
- Fritz worked a total of 22 hours
per week at two jobs. He worked
12 hours per week at one job.
Which equation can be used to
find h, the number of hours Fritz
worked per week at his other job?
A 22-h=12
B 12 +22=h
C 22 + h = 12
Dh - 22 = 12
Regina rolls a fair, six-sided die every week, and her allowance for that week is twice the
number she rolls on the die. Write an expression to represent Regina's allowance for the
week where n represents the number that Regina rolls on the die that week.
Write your answer in the box.
Answer:
6*2=n
Step-by-step explanation:
Well, if its a 6 sided die, and she gets twice the amount, then 6*2 and since the total = n 6*2=n The Total of the equation would be 12 instead of n
Complete the sentence: An unbiased estimator is _____. a. any sample statistic used to approximate a population parameter b. a sample statistic, which has an expected value equal to the value of the population parameter c. a sample statistic whose value is usually less than the value of the population parameter d. any estimator whose standard error is relatively small
Answer:
a) Any sample statistic used to approximate a population parameter.
Step-by-step explanation:
An unbiased estimator is any sample statistic used to approximate a population parameter.
In mathematics, the bias of an estimator refers to the difference between the true value of the parameter being estimated and the estimator’s expected value.
If a statistic is not an underestimate or overestimate of the population parameter, then it is unbiased.
That is why an unbiased estimator is an accurate sample statistic used to approximate a population parameter.
The maximum grain yield for corn is achieved by planting at a density of 36,000 plants per acre. A farmer wants to maximize the yield for the field represented on the coordinate grid. Each unit on the coordinate grid represents one foot. How many corn plants, to the nearest thousand, does the farmer need? (Hint: 1 acre = 43,560 ft2)
Answer:501,000
Step-by-step explanation:
Which is the solution for In (3x – 5)=In 11 + In 2?
a.
X = 8
c.
X=-3
b.
X9
d. x - 7
Answer:
C
Step-by-step explanation:
Jah gg if fhbvvjhggfhvcg
pls somebody help me i need help on this
dont get it
Answer:
its 8.1
Step-by-step explanation:
if 1 mile is 5.4 you would divide that by two and then add 5.4 +2.7 which equals your answer 8.1
base 44 percentage 99
The least common multiple of 3, 4, 6, and 8 is
Answer:
24 is the least common multiple of 3, 4, 6, and 8 is
Reduce the following fraction to lowest terms: [tex]16/20[/tex]
Question
Given matrix A shown below, find 6 A
Answer:
-6 18
-30 30
Step-by-step explanation:
Multiply each number in the matrix by the 6.
Tutoring Question Help
A person is taking a 5-question multiple-choice test for which each question has three answer choices, only one of which is correct. The person decides on answers by
rolling a fair die and marking the first answer choice if the die shows 1 or 2 the second if it shows 3 or 4, and the third if it shows 5 or 6. Find the probability that the
person gets fewer than 3 correct answers.
The probability that the person gets fewer than 3 correct answers is
(Round to three decimal places as needed.)
cm
5 cm
5.8 cm
6.3 cm
8 cm
Lateral Surface Area =
cm squared
Total Surface Area =
cm squared
Volume
cm cubed
I will give you brainlest
g An airplane is flying overhead at a constant elevation of 4000 ft. A man is viewing the plane from a position 3000 ft from the base of a radio tower. The airplane is flying horizontally away from the man. If the plane is flying at a rate of 600 ft/s, at what rate is the distance between the man and the plane increasing when the plane passes over the radio tower
Answer:
A man is viewing the plane from a position. 3000 ft from the base of a radio tower. The airplane is flying horizontally away from the man. If the plane is flying at the rate of 600 ft/sec, at what rate is the distance between ...
What’s is 47x88x9x0???
Answer:
0
Step-by-step explanation:
go left to right
47x88=4136
4136x9=37224
37224x0=0
The Cosmic Pool company is building a pool in Mary’s back yard. The pool is to be 8ft longer than it is wide and cover 240 square feet of the back yard. Determine both dimensions of the pool and the perimeter.
Group of answer choices
A. Dimensions: width = 20ft & length = 12ft
Perimeter: 32ft
B. Dimensions: width = 20ft & length = 12ft
Perimeter: 64ft
C. Dimensions: width = 12ft & length = 20ft
Perimeter: 64ft
D. Dimensions: width = 12ft & length = 20ft
Perimeter: 32ft
Answer:
The correct answer is C.
Step-by-step explanation:
Since the Cosmic Pool company's pool's length is 8ft longer than the width, you can immediately rule out choices A and B, since their widths are greater than their lengths by 8, and not vice versa. This leaves choices C and D. The perimeter of a quadrilateral's formula is [tex]2(l+w)[/tex], which means the length plus the width and multiplied by 2. Using this formula, you can infer that the perimeter is [tex]2(20+12)[/tex] = [tex]2*32[/tex] = 64ft, so choice C is the correct answer.
Solve the quadratic equations
y^2 −10y+21=0
y=?
16p^2 -8p=-1
p=?
x^2 -400=0
x=?
-16m^2 =8m+1
m=?
-3n^2 +75=0
n=?
Answer:
for quadratic equation 1
y^2-10y+21=0
Step-by-step explanation:
y^2-7y-3y+21=0
y(y-7)-3(y-7)=0
(y-7)(y-3)=0
y-7=0,y-3=0
y=7,y=3
y=(3,7)
for quadratic equation 2
16p^2-8p+1=0
16p^2-4p-4p+1=0
4p(4p-1)-1(4p-1)=0
(4p-1)twice=0
4p-1=0,4p-1=0
4p=1
p=1/4 twice
for quadratic equation 3
x^2-400=0
x^2=400
x=√400
x=20
for quadratic equation 4
-16m^2-8m-1=0
multiply the equation by -
16m^2+8m+1=0
16m^2+4m+4m+1=0
4m(4m+1)1(4m+1)=0
4m+1=0 twice
m=-1/4 twice
for quadratic equation 5
-3n^2+75=0
divide both side by -3
-3n^2/-3=-75/-3
n^2=25
n=√25
n=5
please help answer questions 1 and 2!
Answer:
1:A
3:C
hope this help
A app.edulastic.com
Fth ELA NCCU Ms. Jo...
31 KIPP Baltimore - Calendar - Thurs...
Edulastic
on 2/14
> NEXT
The temperature outside in the morning was -8°C. The temperature rose 6 degrees in the
afternoon. Then, in the afternoon it fell 4 degrees. What is the temperature outside in the
evening?
Can someone help me please?
Answer:
I love pizza math :P
Step-by-step explanation:
column 1 column 2
2/3 2/5
1/4 3/4
1/3 4/5
1/2 1/6
Is it time for pizza now? :P
Historical evidence indicates that times between fatal accidents on scheduled American domestic passenger flights have an approximately exponential distribution. Assume that the mean time between accidents is 43 days. What is the variance of the times between accidents
Answer:
The variance of the times between accidents is of 1849 days squared.
Step-by-step explanation:
Exponential distribution:
The exponential probability distribution, with mean m, is described by the following equation:
[tex]f(x) = \mu e^{-\mu x}[/tex]
In which [tex]\mu = \frac{1}{m}[/tex] is the decay parameter.
The variance of the exponential distribution is:
[tex]Var = \frac{1}{\mu^2}[/tex]
Assume that the mean time between accidents is 43 days.
This means that [tex]m = 43, \mu = \frac{1}{43}[/tex]
What is the variance of the times between accidents?
[tex]Var = \frac{1}{(\frac{1}{43})^2} = 43^2 = 1849[/tex]
The variance of the times between accidents is of 1849 days squared.