Answer: D: x^2=(6-10)^2/10 + (32-30)^2/30 + (12-10)^2/10
Step-by-step explanation: The formula for the chi-squared test is summation: (observed-expected)^2/expected. The observed value in this case would be the counts we received from the random sample (6 dark, 32 milk, 12 white). The expected value can be calculated by taking the percentages given in the problem and multiplying them by 50 (0.20x50=10 dark , 0.60x50=30 milk , 0.20x50=10 white).
find 46% of 70. Do not round your answer.
Answer:
the answer is 32.2
Step-by-step explanation:
Not rounded
hope this helps
Answer:
32.2
Step-by-step explanation:
70 divided by 100 times 46
f(x) =
-(x – 6)2 +7 for x+3
for X = 3
Find f(3)
Answer:
lol it's right there
Step-by-step explanation:
I am not sure if you are what I call a ride or die cuz u a caring person and ant to be a recruiter I am good at persuading people to do stuff
A triangular piece of wood is being installed on a front porch. The piece of wood is shown below. Find its area. Round to the nearest tenths place.
Answer:
102.9
Step-by-step explanation:
Area of a triangle is A=(1/2)(h)(b) where h is the height and b is the base.
7.35 is the height and 28 is the base
A=(1/2)(7.35)(28)
A=102.9
Which is not Equivalent to 3:5
A.30:50
B.21:28
C:15:28
D.9:15
Answer:
B.
Step-by-step explanation:
Since 21 is divided by 3 you might think that it is equivalent but remeber you have to divide by both sides, so if you divide 21 by 7 it works but 28 by seven does not! Hope this helps!
PLS HURRY I ONLY HAVE 15mins LEFT WORTH 100 POINTS AND BRAINLEST
Which inequalities have the solution set graphed on the number line? Select two options. A number line going from negative 6 to positive 2. An open circle is at negative 4. Everything to the left of the line is shaded. x less-than negative 4 Negative 4 less-than x Negative 4 less-than-or-equal-to x Negative 4 greater-than x x greater-than negative 4
this is the correct answer
Johann borrows money from his parents to purchase a bike. He makes weekly payments to his parents to repay the money
borrowed. The total amount of money repaid at the end of week n can be represented using the recursive formula a, = 10+ an-1-
At the end of the fourth week, Johann had repaid his parents a total of $55. What is the total amount Johann had repaid his
parents at the end of the first week?
o $10
$20
$25
$35
Answer:
$25
Step-by-step explanation:
An = 10 + An-1
At the end of 4th week ; amount repaid = $55
A4 = 10 +
An = a + (n - 1)d
n = 4
A4 = 10 + (4 - 1)d
55 = 10 + 3d
55 - 10 = 3d
45 = 3d
d = 15
Hence, at the end of first week :
A1 = a + d
$10 + $15
= $25
drag each expression to show whether it is equivalent to 3 time times 9 or to 2x3x9
Answer:
The answers to your questions are given below
Step-by-step explanation:
A. 3 × 9 = 27
B. 2 × 3 × 9 = 54
Next, we shall determine which option will give the same result obtained above.
9 × 3 = 27
9 × 3 × 2 = 54
3 × (4 + 5) = 3 × 9 = 27
(2 × 3) × 9 = 6 × 9 = 54
Therefore,
3 × 9 = 27
9 × 3 = 27
3 × (4 + 5) = 27
2 × 3 × 9 = 54
9 × 3 × 2 = 54
(2 × 3) × 9 = 54
SUMMARY
3 × 9 >>>>>>>>> 2 × 3 × 9
9 × 3 >>>>>>>>> 9 × 3 × 2
3 × (4 + 5) >>>>> (2 × 3) × 9
Write the equation of a line with a slope of 2/3 going through the point (-15, -22)
Answer:
y=(2/3)(x+15)-22
Step-by-step explanation:
You use the slope point equation which is y-y1=m(x-x1) or y=m(x-x1)+y1 where m is the slope and x1 and y1 are the coordinates you plug in.
Therefore, 2/3 is the slope m and (-15, -22) are the coordinates for x1 and y1.
y=(2/3)(x-(-15)) + (-22)
y=(2/3)(x+15)-22
Please help, Find the perimeter of the figure
Answer:
24
Hope that this helps!
Answer:
24 inches
Step-by-step explanation:
starting from 4 going clockwise, add the inches to get the perimeter:
4 + 5 + 1 + 5 + 9 = 24
Before rock climbing, Michelle wants to know how
high she will climb. She places a mirror on the
ground and walks backward until she can see the
top of the cliff in the mirror. She drew a sketch of
the situation. What is the height of the cliff?
Answer:
22 feets
Step-by-step explanation:
From the diagram attached :
We have two similar triangles which can be related proportionally :
Hence ;
Mitchell's height / distance from mirror = cliff height / cliff distance
Michelle's height = 5.5
Michell's distance from mirror = 4
Cliff height = h
Cliff distance from mirror = 16
We have ;
5.5 / 4 = h / 16
Cross multiply :
4 * h = 5.5 * 16
h = 88 / 4
h = 22 feets
Classify the triangle by its sides and angles
Answer:
Obtuse Scalene Triangle
Give me Brainliest if I'm correct , please ! :)
PLEASE HELP WILL GIVE BRAINLIEST
Answer:
The answer is [tex]2\frac{1}{12}[/tex]
Step-by-step explanation:
Answer:
25/12
Step-by-step explaining.
mark brainiest
Salma Serra purchased a truck. last year she drove the truck 12,340 miles. the fixes costs totaled $1,428 , while variable cost totaled $2,998. how much did it cost per mile to operate the truck?
Answer:
20.61952
Step-by-step explanation:
hope it helps
The solution is : cost of driving per mile is $0.42.
What is addition?Addition is a way of combining things and counting them together as one large group. ... Addition in math is a process of combining two or more numbers.
here, we have,
Given:
Luisa Díaz drove her vehicle about 7,200 miles last year.
Total fixed cost = $1,058.40
Total variable cost = $1965.60
Question asked:
How much did it cost per mile ?
Solution:
Total cost of driving 7200 miles = Total fixed cost + Total variable cost
= $1,058.40 + $1965.60
= $3024
By unitary method:
Cost of driving 7200 miles = $3024
Cost of driving 1 mile = $3024 7200
= $0.42
Thus, cost of driving per mile is $0.42
To earn more on addition click:
brainly.com/question/29560851
#SPJ2
complete question:
Luisa Díaz drove her vehicle about 7,200 miles last year. Her fixed costs totaled $1,058.40 and her variable costs were $1965.60 how much did it cost per mile
100 POINTS!!!!!!!
Drag the tiles to match each measurement with an equivalent measurement.
measurement
6 pints ______________ for each line the answer is A.
16 pints ______________ B. C. or D. each answer is
8 fluid ounces ______________ used once.
8 pints ______________ A. 8 quarts B. 1 cup C. 1
gallon D. 12 cups
#1
1pint=2cups6pints=6(2)=12cups
1-D
#2.
16pints=
16(2)=32cups=8quarts#3
8fluid ounces=1gallon.
3(C)
Answer: #1
1pint=2cups
6pints=6(2)=12cups
1-D
#2.
16pints=
16(2)=32cups=8quarts
#3
8fluid ounces=1gallon.
3(C)
I would really like some help with this. If anyone is able to help me.
Answer:
are not
Step-by-step explanation:
it is clear I can explain in the comment section ... because I don not want you to lose time
The ratio of the numbers of apples to bananas in a market bag is 6:11. There are 144 apples. How many bananas are there?
Answer:
264 bananas
Step-by-step explanation:
11/6 = x/144
cross multiplicaion
6x = 11x144
6x = 1584
x = 265
It males sense since 11 is almost double than 6
264 is almost double than 144
Two recreational basketball teams, Eagleton and Hawkville, wanted to compare the heights of their players in inches.
The heights of Eagleton's basketball players are 70, 71, 72, 74, 74, 75, and 75. The mean height of the Eagleton players is 73 inches
The heights of Hawkville's basketball players are 70, 70, 71, 72, 72, 72, and 77. The mean height of the Hawkville players is 72 inches.
Which statement is true?
Team Hawkvilles's players heights vary the same amount as Team Eagleton's players heights.
The range of Eagleton's players heights is greater than the range of Hawkville's players heights.
Team Hawkville's players heights vary more than Team Eagleton's players heights.
Team Eagleton's players heights vary more than the heights of Hawkville's players.
Answer:
Option C
Step-by-step explanation:
Given -
Height of the Eagleton's basketball players are 70, 71, 72, 74, 74, 75, and 75.
The mean height of Eagleton's basketball players is 73 inches
Heights of Hawkville's basketball players are 70, 70, 71, 72, 72, 72, and 77. The mean height of the Hawkville players is 72 inches
The range of any given data set is the difference in the maximum and minimum value the frequencies with in the data set.
The range of Hawkville's basketball players is 77-70 = 7
The range of Eagleton's basketball players is 75-70 = 5
Hence, the height of Hawkville's basketball players vary more as compared to the height of players of Eagleton.
Option C is correct
Answer:
C
Step-by-step explanation:
a man cycles a distance of 63km in less than 3hours what is the average speed
Answer:
21 km/h
Step-by-step explanation:
I NEED HELP!!! ASAP!!
Answer:
1)
Perimeter=24 inches
Area= around 43.46 inches
Step-by-step explanation:
1) Perimeter = 3in * number of sides
Perimeter = 3*8 = 24
Area= 2(1+ square root of 2) length of one side squared
=42.46
2)
Perimeter = 24
Area= 43.46 inches squared- 3inches
3)
Perimeter = 24
Area= 43.46- triangle area
triangle area = height x base /2
Height = 3, we can compare it.
Base = 3
Triangle = 9/2
Area = 43.46- 4.5
Area =38.96
Can't see 4 and 5 for some reason
6)
Perimeter = 30
Area = 61.94
Sorry if its incorrect, I am just 4th grade :(
wHAT is 3+3+4+5+6+7????
Answer:
28
Step-by-step explanation:
first u add 3 + 3 which is 6 then 6 + 4 which is 10 then 10 + 5 is 15 then 15 + 6 is 21 and finally 21 + 7 is 28
PLEASE ANSWER I NEED LOTS OF HELP!!!!!!!!!!!!!!
Answer:
40%
Step-by-step explanation:
Rachael liked 36/90 books movies that she watched. This simplifies to 2/5 which is 0.4. To find the percentage, we multiply 0.4 by 100 to get 40%.
The probability that Gerald makes a three-point shot in basketball is 20\%20%20, percent. For practice, Gerald will regularly shoot a series of these shots until he succeeds at one. He's curious how many shots it will typically take him to get his first successful shot.
He simulated 404040 trials of three-point shots where each shot had a 0.20.20, point, 2 probability of being successful, and in each trial, he counted how many shots it took to get the first successful shot. Here are his results:
Use his results to estimate the probability that it takes 101010 or fewer shots to get his first successful shot.
Give your answer as either a fraction or a decimal.
Answer:
[tex]P(x \le 10) = 0.85[/tex]
Step-by-step explanation:
Given
See attachment for properly presented question
Required
[tex]P(x \le 10)[/tex]
From the question, we understand that he takes 40 shots (trials)
So:
[tex]n = 40[/tex]
From the attached plot, the number of attempts up to the 10th is:
[tex]x \le 10 = 9+6+5+4+4+2+2+0+1+1[/tex]
[tex]x \le 10 = 34[/tex]
So, we have:
[tex]P(x \le 10) = \frac{n(x \le 10)}{n}[/tex]
[tex]P(x \le 10) = \frac{34}{40}[/tex]
[tex]P(x \le 10) = 0.85[/tex]
please help me! multiple choice
Answer:
(3,4)and r=2 is is the center and radius of the circle.
stay safe healthy and happy.Sullivan’s boss has 5 eyes total. Three of his eyes are smaller than the other two. What percentage of his eyes are larger?
Answer:
40%
Step-by-step explanation:
3/5 are small so we have to find 2/5 which is 40%
2/5=x/100
cross multiply
you'll get: 5x=200
divide and thats how u get 40 %
the attendance at an athletics meeting is 14000. If 68% are men and boys and 22% are women, how many are girls
Answer:
1400 girls
Step-by-step explanation:
68% of 14,000 = 9,520
22% of 14,000= 3,080
9,520 + 3,080 =12600
14,000 - 12,600 = 1400 girls
:)Can someone answer this
Answer:
6.50 + 5.75n
Step-by-step explanation:
6.50 for the first hour only being charged once and the 5.75 being for the number of hours (n) she works after the first hour
Answer:
B
Step-by-step explanation:
n is how many additional hours after the first hour she babysits. She charges $5.75 for each additional hour. So, that would be:
5.75n
But for the first hour, she charges 6.50. So that would be:
6.50+5.75n
please, help me with this fast!! I'm giving points!!!!
Answer:
Step-by-step explanation:
c circle
PLEASE HELP
WILL GIVE BRAINLIEST!!!
Answer:
5/16 pounds
Step-by-step explanation:
The problem mentions that Audrey needs to cut a 5-pound block into 16 pieces. This means that each of the 16 pieces of cheese must weigh the same, thus we have to divide 5 pounds by 16 to divide the weight equally. Thus, all you need to do is divide 5 by 16, giving you 5/16. Therefore, your answer is that each block of cheese weighs 5/16 pounds.
Answer:
0.3125 pounds
Step-by-step explanation:
Each wedge of cheese weights 0.1325 pounds
Please help and don’t put a random answer.
Answer:
The answer is 13/4
Step-by-step explanation:
I divides and cross miltiplied.
Maryanne went to lunch with a friend. The bill was $35.60 before tax. Sales tax rate is 7.25%, and she
decided to leave a 15% tip. What was the final total of her lunch bill?
Answer:
$43.91
Step-by-step explanation:
Calculating Total Cost. Multiply the cost of an item or service by the sales tax in order to find out the total cost. The equation looks like this: Item or service cost x sales tax (in decimal form) = total sales tax. Add the total sales tax to the Item or service cost to get your total cost.
$35.60 + $2.58 (tax) = $38.18
$38.18+ $5.73 (tip at 15%) = $43.91 total
hope this helps you!