Answer:
12.738
rounded to the nearest hundred is 12.74
Find the distance between the two points in simplest radical form.
(-1,-1) and (5,-9)
[tex]\sqrt{ { (x2 - x1)}^{2} + {(y2 - y1)}^{2} } \\ \\ = \sqrt{( {5 - ( - 1)}^{2} + {( - 9 - ( - 1)}^{2} )} \\ \\ = \sqrt{ {(5 + 1)}^{2} + {( - 9 + 1)}^{2} } \\ \\ = \sqrt{ {(6)}^{2} + {( - 8)}^{2} } \\ \\ = \sqrt{36 + 64} \\ \\ = \sqrt{100} \\ \\ = 10 \: units[/tex]
Hope it helpsJosephine can correct her students' test papers in 9 hours, but if her teacher's assistant helps, it would take them 7 hours. How long, in hours and minutes, would it take the assistant to do it alone? (Write your answer in mixed units. Enter a zero in any unneeded blanks.)
Using the together rate, it is found that it would take the assistant 31 hours and 30 minutes to do it alone.
What is the together rate?It is the sum of each separate rate.
In this problem, the rates are given as follows:
Josephine: 1/9.Assistant: 1/x.Together: 1/7.Hence:
[tex]\frac{1}{9} + \frac{1}{x} = \frac{1}{7}[/tex]
[tex]\frac{x + 9}{9x} = \frac{1}{7}[/tex]
[tex]9x = 7x + 63[/tex]
2x = 63
x = 31.5.
It would take the assistant 31 hours and 30 minutes to do it alone.
More can be learned about the together rate at https://brainly.com/question/25159431
Find the surface area
Answer:
The answer is : 8160 m
Step-by-step explanation:
100% correct
Madelyn has 4 pairs of red socks, 6 times as many pairs of blue socks 1 as white pairs of socks, and I as many white pairs as red pairs. How many pairs of socks does she have in all? How many socks does Madelyn have?
The Total Number of socks is 10 in all, bear in mind that there is no blue socks hence it will not add to the total amount of socks
Addition of NumbersNote : 1 pais = 2 socks
Given Data
Red Socks = 4 pairs = 4*2 = 8 socks 6 times as many pairs of blue socks = 0 1 as many pairs of white socks = 2 socksThe statement " 6 times as many pairs of blue socks" is equivalent to no socks, since we have no blue socks, hence 6*0 = 0
Let us find the total socks
= 8+0+2
= 10 socks
Learn more about addition here:
https://brainly.com/question/25421984
Why aren't convenience samples usually representative
of the population?
Answer:
The results of the convenience sampling cannot be generalized to the target population because of the potential bias of the sampling technique due to under-representation of subgroups in the sample in comparison to the population of interest. The bias of the sample cannot be measured.
The volume of a sphere is 9,198.11 ft3. To the nearest foot, what is the radius of the sphere? Use 3.14 for π.
I need help look at the picture attached
Answer:
340.8 m
Step-by-step explanation:
Find the area of rectangles:
15 x 8 = 120
6x8=48
16x8=128
Find area of triangle:
1/2 5.6 x 16 = 44.8
Add together:
120 + 48 + 128 + 44.8 = 340.8 m
Hope this helps :)
help me please this is hardddd
Answer:
4) C
5) A, B, and D
6) 0.99m+50
7) h=d/2
Step-by-step explanation:
what is the solution to 2x + 5 = 6x – 5? Show your work.
Give the dimensions of 2 solids with equal surface area and different volume
Two solids with the same surface and different volumes are a cube of side length of 1 unit, and a sphere of radius of 0.69 units.
How to find the two solids?
First, let's define a cube of a side length of 1 unit. The surface of this cube is equal to 6 times the area of one of the faces, or:
S = 6*(1 unit square) = 6 units square.
And the volume is equal to the side length cubed, so we have:
V = (1 unit)^3 = 1 unit cubed.
Now, let's find a sphere with the same surface than our cube. For a sphere of radius R, the surface is:
S = 4*3.14*R^2
Then we must have:
4*3.14*R^2 = 6 units square
R = √(6/(4*3.14)) units = 0.69 units.
And the volume of this sphere is:
V = (4/3)*3.14*R^3 = (4/3)*3.14*(0.69 units)^3 = 1.38 cubic units.
So the sphere has the same surface and more volume.
If you want to learn more about solids, you can read:
https://brainly.com/question/10171109
Find the area
A. 100
B. 112
C. 224
D. 46
Answer:
a). 100
Step-by-step explanation:
Finding d₁ and d₂
d₁ = r₁ x 2 = 5 x 2 = 10d₂ = r₂ x 2 = 10 x 2 = 20Finding Area
A = 1/2 x d₁d₂A = 1/2 x 10 x 20A = 1/2 x 200A = 100solve system of equations can someone show step by step please
2x-6y=-12
x+2y=14
Answer:
x=6 y=4
Step-by-step explanation:
I hope this helps you and please mark me as brainlest!
Please help quick!
Subtracting a number is the same as adding its opposite.
Use this understanding to complete each of the equations below.
Enter numbers to evaluate −5−(−7).
‐5 –(‐7)= ‐5 + _______
= ________
Enter numbers to evaluate −5−7.
‐5− 7 = ‐5 + _______
= ________
Answer:
First space: 7
second space: 2
third space: -7
last space: -12
Step-by-step explanation:
To subtract, use "Add the opposite". In the problem the minus has aready been changed to adding, so you just change the second number (-7 in the first part or 7 in the second part) to their opposite sign. see image.
The stem-and-leaf plot shows the number of digs for the top 15 players at a volleyball tournament
Stem
4
5
6
7
8
9
Leaf
11 3 3 5
0 2 3 4
2 3 3 7
5
7
Key: 50 = 50 digs
13
سية
Find the mean, median, mode, range, and interquartile range of the data. Round your answers to the nearest tenth, if necessary
The mean is
The median is
The modes from least to greatest are and
The range is
The interquartile range is
Answer:
The mean is 56.6, the median is 53, modes are 41, 43, and 63, the range is 56, and the IQR is 20.
Step-by-step explanation:
The average (mean) is equal to the sum of all the data values divided by the count of values in the data set.
Average = Sum / Count
= 849 / 15
= 56.6
need help really please someone
Answer:
2 5/7
Step-by-step explanation:
First we need to make the 4 2/7 top heavy so it is easier to subtract :)
4 2/7 = 3 9/7
Now we can subtract :)
3 9/7 - 1 4/7 = 2 5/7
Have an amazing day!!
Please rate and mark brainliest!!
Answer:
The answer is 2 5/7
Step-by-step explanation:
Can y’all figure out the answer for me please
Answer:
Step-by-step explanation:
true
if angle BCA is 90° and angle EFD is 90°
and if C to A is 14, half of that is 7 which is what F to D is
Juan measured the thickness of the books in his bookcase. This line plot shows his results. Juan stacked the thinnest books and thickest book in one pile. How thick was his pile of books?
The thickness of the pile of books measured by Juan and the information in the line plot is 5.
What is the thickness of the pile of books?Based on the information in the line plot, the thinnest book has a thickess of 1 1/4 and the thickest book has a thickess of 2 1/2.
The thickness of the pile of books = (1 1/4 x 2) + 21/2
(5/4 x 2) + 2 1/4 = 5
Please find attached the complete question. To learn more about multiplication of fractions, please check: https://brainly.com/question/1114498
Evaluate the expression when a=4 and x=-6.
a-8x
Answer:
52
Step-by-step explanation:
a-8x =4-8×-6
=4-(-48)= 4+48=52
(17a ^ 3 * b ^ 2)/(15b ^ 3 * c ^ 2) * (18b ^ 4 * c ^ 3)/(8a ^ 2 * b * c ^ 2) =
Answer: (51ab^2)/(20c)
STEP
1
:
Equation at the end of step 1
((17•(a3))•(b2)) ((18•(b4))•(c3))
————————————————•————————————————
((15•(b3))•(c2)) ((23a2•b)•c2)
STEP
2
:
Equation at the end of step
2
:
((17•(a3))•(b2)) ((2•32b4)•c3)
————————————————•—————————————
((15•(b3))•(c2)) 23a2bc2
STEP
3
:
(2•32b4c3)
Simplify ——————————
23a2bc2
Dividing exponential expressions :
3.1 b4 divided by b1 = b(4 - 1) = b3
Dividing exponential expressions :
3.2 c3 divided by c2 = c(3 - 2) = c1 = c
Dividing exponents:
3.3 21 divided by 23 = 2(1 - 3) = 2(-2) = 1/22
Equation at the end of step
3
:
((17•(a3))•(b2)) 9b3c
————————————————•————
((15•(b3))•(c2)) 4a2
STEP
4
:
Equation at the end of step
4
:
((17•(a3))•(b2)) 9b3c
————————————————•————
((3•5b3)•c2) 4a2
STEP
5
:
Equation at the end of step
5
:
(17a3 • b2) 9b3c
——————————— • ————
(3•5b3c2) 4a2
STEP
6
:
17a3b2
Simplify —————————
(3•5b3c2)
Dividing exponential expressions :
6.1 b2 divided by b3 = b(2 - 3) = b(-1) = 1/b1 = 1/b
Equation at the end of step
6
:
17a3 9b3c
————— • ————
15bc2 4a2
STEP
7
:
Dividing exponential expressions :
7.1 a3 divided by a2 = a(3 - 2) = a1 = a
Dividing exponential expressions :
7.2 b3 divided by b1 = b(3 - 1) = b2
Dividing exponential expressions :
7.3 c1 divided by c2 = c(1 - 2) = c(-1) = 1/c1 = 1/c
Final result :
51ab2
—————
20c
-28;a)__; -20; -16;b)__
help me please
Answer:
It ether -36 or a-28
Please help me on this. you will get 100 points!!!!!!!!!!!!!!!!!!!!!!
Circle One:
No
Explain:
The chart shows that teenagers get roughly between 7 - 8 and 1/2 hours of sleep every night. It shows that no teenagers get 9 and 9 and 1/2 hours of sleep. This is why their data does not support the delay to starting time.
gggggggggggggggggggggg
Answer:
12/25
Step-by-step explanation:
lashonda had 4 fiths of 1 acre of land, and 3/5 of the 4 fiths of land is corn.
If you multply 3/5 by 4/5 you will get you answer: 12/25 or 0.48
Is 4 4/9 + 8 7/9. 13 2/9 the mixed number
Answer:
Yes
Step-by-step explanation:
Correct
A ball is dropped from a helicopter 100m from the ground. As the ball falls, the magnitude of it's associated velocity is
As the ball falls, the velocity of the ball increases with increase in distance
Velocity and MotionGiven Data
Distance = 100mIt should be noted that when an object falls, it velocity increases from zero to the maximum just before it hits the ground from the initial point of lunch.
Note: For a projectile the ball might reach a zero velocity at maximum height
Learn more about velocity here:
https://brainly.com/question/25705666
how long would it take an investment of $25000 to amount to $40 000 at a flat rate of 9.5% per annum?
Answer:
it will take approximately 6.32 annum(years) to reach $40000
Step-by-step explanation:
9.5% of $25000 = $2375
$40000 - $25000 = $15000 so you need to make an interest of $15000 overall to reach $40000
since you make $2375 each year therefore
$15000 ÷ $2375 will give you the number of years to reach $40000
hence 15000 ÷ 2375 = 6.315
approximately = 6.32 annum(years)
d fewer than the quotient of 5 and 2
Answer:
[tex]\frac{5}{2} - d[/tex]
Hope This Helps! :) Please Mark Brainliest!
Andrea made her aunt a garden. The width is 8 3/7 ft and the length is 7 2/3 ft. What is the area of the garden?
NOTE: We are finding the area in the problem
Answer:
I think the area is 513/21
Super easy math, problem solving 7th grade
Answer:
P=1, G=2, T=3, E=6, D=7, A=9
explanation:
CAT+DOG=PETS
Replace each letter with its value:
893+742=1635 which is true
Karen Gaines invested $10,000 in a money market account with an interest rate of 3.25% compounded semiannually. Three years later, Karen withdrew the full amount to put toward the down payment on a new house. How much did Karen withdraw from the account?
The total amount of money that Karen withdrew from her account three years later is $11,015.48.
How much did Karen withdraw?When an amount earns a compound interest seminannually, it means that the amount invested and interest accured increases in value twice a year.
The formula for calculating future value:
FV = P (1 + r)^nm
FV = Future value P = Present value R = interest rate m = number of compoundingN = number of years$10,000 x (1 + 0.0325/2)^6 = $11,015.48
To learn more about future value, please check: https://brainly.com/question/18760477
Charlie kicked the football 71 yards. He kicked it 48 more yards than his brother.
How far did his brother kick the football?
Show your work in the box below.
Answer:
23 yards
71 - 48 = 23
this is the answer to your question
if this helpful to you give me a brainliest.....
