Answer:
Mean: 85.55
Median: 90
Mode: 95
Rage of Data: 35
Step-by-step explanation:
B) the mean is widely preferred as the best measure of central tendency because it is the measure that includes all the values in the data set for its calculation, and any change in any of the scores will affect the value of the mean.
C) the mean would become smaller.
Is 2.04 is greater or less than 2.040?
Answer:
See below
Step-by-step explanation:
2.04 is neither greater nor less than 2.040
but 2.04 is equal to 2.040.
[tex]2.04=2.040[/tex]
10 yd
10 yd
Find the area of each?
Answer:
20 yards
Step-by-step explanation:
i got 100 0n the quiz
find the value of x ?
Answer:
Step-by-step explanation:
∠E = ∠G
∠D= ∠F because it’s a parallelogram ==> D=F=2x+12 and E=G=5x
5x+2x+12=180
7x=168
X=24
Solution 2:
2*5x+2*(2x+12)=360
10x+4x+24=360
14x=360-24=336
X=336/14
X=24
Answer:
[tex]{\fbox{\fbox{\fbox{\fbox{\fbox{\fbox{\fbox{\fbox{\fbox{\fbox{\fbox{\fbox{☺☺Hope\ it\ helps\ you}}}}}}}}}}}}}[/tex]
A/Q
5x+2x+12=180(Sum of adjacent angles is 180)
=>7x+12=180
=>7x=180-12
=>x=168/7
Hence,x=24....
If the salinity of ocean water at the entrance to an estuary is 35 and 63 percent of the volume of water in the estuary is ocean water, what is the average salinity of the estuary
The correct answer for the average salinity of the estuary would be 22.235.
Given in the question,
Salinity of ocean water at the entrance to the estuary: 35.
Volume of ocean water in the estuary: 63% (or 0.63).
Volume of freshwater in the estuary: 37% (or 0.37).
Consider, salinity of freshwater as 0.5.
To calculate the average salinity of the estuary, the formula know is:
Average Salinity = (Salinity of Ocean Water * Volume of Ocean Water + Salinity of Freshwater * Volume of Freshwater) / Total Volume of Estuary
[tex]= \dfrac{35*0.63 + 0.5 * 0.37}{1}\\\\= 22.05 + 0.185\\\\= 22.235[/tex]
Therefore, Average salinity of the estuary would be approximately 22.235.
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2x+3≤x−5 solve for x
Answer:
x≤−8
Step-by-step explanation:
2x+3≤x−5
Step 1: Subtract x from both sides.
2x+3−x≤x−5−x
x+3≤−5
Step 2: Subtract 3 from both sides.
x+3−3≤−5−3
Answer is
x≤−8
a train moves at a speed of 60 km per hour.how far will it travel in 30 minutes
Answer:
The train would travel 30km in 30 minutes.
Step-by-step explanation:
Speed of train = 60km/hr
30 minutes = I hour ÷ 2
If 30 minutes is equal to half an hour, and it takes an hour for the train to travel 60 km, then you would have to half 60 km to find the length travelled in 30 minutes.
Equation: 60km ÷ 2 = 30km
Identify whether each variable is categorical or continuous.
Hand length (cm) ?
Kneeling height (cm) ?
Hours studied for exam ?
Exam score?
Perfect attendance (100=perfect; 0 = not perfect)?
Answer:
u33u3373737
Step-by-step explanation:
hheeheheheheheheheheheehehehehebeheheheheheheheheehehe
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Match each circle equation to its corresponding center and radius.
center = (3,-5)
radius = 2 units
center = (-3,-5)
radius = 4 units
center = (3,5)
radius = 2 units
center = (-3,5)
radius = 2 units
center = (3,-5)
radius = 4 units
center = (3,5)
radius = 4 units
(x + 3)2 + (1 + 5)2
= 16
(x + 3)2 + (1 – 5)2 = 4
+
=
(x – 3)2 + (x – 5)2
= 4
|(1 – 3)2 + (1 + 5)2 = 16
-
=
By using the general equation for a circle, we will see that the correct options are:
1) This is a circle centered at (-3, - 5) with a radius of 4 units.2) The center is (-3, 5) and the radius is 2 units.3) The center is (3, 5) and the radius is 2 units.4) This is a circle centered at (3, - 5) with a radius of 4 units.How to write a circle equation?
For a circle of radius R and center (a, b), the equation is given by:
(x - a)^2 + (y - b)^2 = R^2
With that in mind, if we look at the first equation:
(x + 3)^2 + (y + 5)^2 = 16 = 4^2
This is a circle centered at (-3, - 5) with a radius of 4 units.
For the second equation:
(x + 3)^2 + (y - 5)^2 = 4 = 2^2
The center is (-3, 5) and the radius is 2 units.
The third equation is:
(x - 3)^2 + (y - 5)^2 = 4 = 2^2
The center is (3, 5) and the radius is 2 units.
The fourth equation is:
(x - 3)^2 + (y + 5)^2 = 16 = 4^2
This is a circle centered at (3, - 5) with a radius of 4 units.
If you want to learn more about circles, you can read:
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solve for x ~
[tex]\bold{2(x + 1) - 4x = 3x + 5} [/tex]
spammers stay away .-.
thankyou ~
Answer:
x = -0.6
solving steps:
[tex]\sf \rightarrow 2\left(x+1\right)-4x=3x+5[/tex]
remove the parenthesis
[tex]\sf \rightarrow 2x+2\right)-4x=3x+5[/tex]
group the variables
[tex]\sf \rightarrow 2x-4x-3x\right)=5-2[/tex]
simplify
[tex]\sf \rightarrow -5x\right)=3[/tex]
change sides
[tex]\sf \rightarrow x\right)=\dfrac{3}{-5}[/tex]
answer in fraction
[tex]\sf \rightarrow x\right)=-\dfrac{3}{5}[/tex]
answer in decimals
[tex]\sf \rightarrow x\right)=-0.6[/tex]
Answer:
[tex]x=-0.6[/tex]
Step-by-step explanation:
[tex]2\left(x+1\right)-4x=3x+5\quad :\quad x=-\frac{3}{5}\quad \left(\mathrm{Decimal}:\quad x=-0.6\right)[/tex]
[tex]2\left(x+1\right)-4x=3x+5[/tex]
[tex]2(x+1)-4:-2x+2[/tex]
[tex]-2x+2=3x+5[/tex]
[tex]\mathrm{Subtract\:}2\mathrm{\:from\:both\:sides}[/tex]
[tex]-2x+2-2=3x+5-2[/tex]
[tex]\mathrm{Simplify}[/tex]
[tex]-2x=3x+3[/tex]
[tex]\mathrm{Subtract\:}3x\mathrm{\:from\:both\:sides}[/tex]
[tex]-2x-3x=3x+3-3x[/tex]
[tex]\mathrm{Simplify}[/tex]
[tex]-5x=3[/tex]
[tex]\mathrm{Divide\:both\:sides\:by\:}-5[/tex]
[tex]\frac{-5x}{-5}=\frac{3}{-5}[/tex]
[tex]\mathrm{Simplify}[/tex]
[tex]x=-\frac{3}{5}[/tex]
~Learn with Lenvy~
In the expression 12r what values of r makes the expression equal a number less than 12
answer:
any value below 1
r<1
examples:
12×0=1
12×0.99= 0.0825
12×-12=-144 (which is less than 12)
etc.
Use the square root property to solve the equation.
x^2=153
Answer:
3√(17) or 12.3693
Step-by-step explanation:
x^2 = 153
take square root from both side...
√(x^2) = √(153)
then...
x=√(153)
reduce to get...
x=3√(17)
the approximation is...
12.3693
Please rate!!
Answer:
x = 3sqroot17
x ~= 12.37
Step-by-step explanation:
To use the square root property, take the square root of both sides of the equation. see image.
Sqroot17 can be simplified in radical form or a decimal approximation.
For the radical form note that 153 is 9×17.
Since 9 is a perfect square, it simplifies a little bit. see image.
I love my chocolate company makes dark chocolate and light chocolate
Answer:
this is great to hear I personally like light
Angelo’s score in a video game was changed by -75 points because he missed some targets. He got -15 points for each missed target. How many targets did he miss?
Answer:
the answer is 5 targets
The radii of two similar cones are 1 and 2.5. What is the ratio of their volumes?
Answer:
Assuming the cones are the same height, then
V1 = pi * r^2 * h/3 = 3.14159*1^2*h/3
V2 = 3.14159*2.5^2*h/3 = 3.14159*6.25*h/3
V1/V2=(3.14159*h/3)/(3.14159*6.25)*h/3
V1/V2 = 1/6.25 = .16
V2/V1=(3.14159*6.25)*h/3/(3.14159*h/3)
V2/V1=6.25/1 = 6.25
52. What are the given facts?plssss?help this is
What’s the value of x?
Answer:
x=15°
Step-by-step explanation:
165°+x=180°(sum of the adjacent angles on a straight line is 180)
x=180-165
x=15°
D=1/3fk, solve for f
Answer:
f=3d/k
Step-by-step explanation:
This table shows the ratio of daisies to roses.
Complete the statement about the equivalent ratios in
this table.
Daisies
Roses
To find the values in each row,
the values
in the previous row by
256
192
64
48
16
12
Answer:
Its divide and 4
Step-by-step explanation:
To find the values in each row divide the values in previous row by 4.
What is the Ratio?
The ratio can be defined as the comparison of the fraction of one quantity towards others. e.g.- water in milk.
Clearly, from observation,
Each column represent geometric progression with common ratio r = 1/4. So when moving downward, the element in the rows decreases as multiple of 1/4.
Here,
R(1, 1) = 256
R (2 ,1) = 64
R(2,1)/R(1,1)=1/4
Thus, To find the values in each row divide the values in previous row by 4.
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HELPPP PLEASE!!!!
Write an equation for the nth term of the
arithmetic sequence below.
-12, -3, 6, ...
A. f(n) = -9n - 21
B. f(n) = 9n - 21
C. f(n) = 9n + 21
D. f(n) = -9n + 21
Activate
Answer: B.f(n)9n-12
Step-by-step explanation:
Which graph represents the function?
f(x)={3 if x<1x if x≥1
Answer:
Top Right
Step-by-step explanation:
If it's x≥1, you would plot a closed (or filled) circle at 1, and it would continue going right. If it's x<1, you would plot an open (or an o) circle with a line continuing left.
The function represents f(x)={3 if x<1x if x≥1 in Figure 4 is correct.
What is slope?In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction. There is no clear reason why the letter m is employed for slope, however its earliest use in English can be found in O'Brien (1844), who wrote the equation of the a straight line as "y = mx + b," and it can also found in Todhunter (1888), who wrote it as "y = mx + c." Slope is frequently denoted by the letter x. The ratio of the "vertical change" to the "horizontal change" between (any) two distinct points along a line is used to calculate slope. The ratio can also be written as a quotient ("rise over run"), which produces the same number for each and every two distinct points on a single line.
Here,
For x≥1 ⇒ f(x)=x
For x<1 ⇒ f(x)=3
Both these statements are followed together only in figure 4.
Hence, figure 4 is correct.
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Choose the expression that is equal to 28.3
There are no other expressions intered. Please write them too.
Answer:
It CAN be 28.30
Divide. Write your answer in simplest form.
8/7÷4
Answer:
8/7 ÷ 4/1 = 7/32
Step-by-step explanation:
4/1 is the same as 4, flip all the Fractions so the bottom number is on the top and top on bottom and then multiply top x top and bottom x bottom
Hey there!
First, let's convert 4 into a fraction:
4=4/1
Now, divide the fractions:
[tex]\bold{\displaystyle\frac{8}{7} :\frac{4}{1}}[/tex]
Now, flop the second fraction over and multiply the first fraction times the second one:
[tex]\bold{\displaystyle\frac{8}{7} *\frac{1}{4}}[/tex]
Multiply the numerator (8) times the numerator of the second fraction (1) and multiply the denominator (7) times the denominator of the second fraction (4):
[tex]\bold{\displaystyle\frac{8}{28}}}[/tex]
Also, this fraction can be reduced:
[tex]\bold{\displaystyle\frac{4}{14}}[/tex]
We can divide by 2 again.
Hence, the answer is
[tex]\boxed{\boxed{\bold{\displaystyle\frac{2}{7}} }}}[/tex]
Hope everything is clear.
Let me know if you have any questions!
:-)
#LearningDoesn'tEnd
[tex]\rule{200}{2}[/tex]
The least common denominator for 3/9 and 3/6
Answer:
The least common denominator is 18:)
A researcher collected data from car shoppers about their favorite car color. He asked 250 people about their favorite vehicle color. How many more people said their favorite color is white compared to those who said black. Your answer should be written as a number not a percentage. And then the percents for the circle graph are 20% red 24% white 32% blue 18% black 4% silver and 2% other
Answer:
35 more preferred white
Step-by-step explanation:
Black 18% * 250 = 18/100 * 250 = 45
White 32%*250 = 32/100 * 250 = 80
The difference is 80 - 45 = 35
$55 for 20 people............
Answer:
total amount of money: $1100
Step-by-step explanation:
multiply the number of people by the money for each of them
so $55 x 20 = $1100
Answer:
55 divied by 20..witch mean 50 divied between 20 ppl witch is
11/4 and as a decimal 2.75 hope this helped
What is the property name of 3 (6 + 2 ) = ( 3 x 6 ) + ( 3 x 2) ?
Answer:
The distributive property
Step-by-step explanation:
It says
[tex]a(b+c)=a(b)+a(c)[/tex]
I hope you understand the generalization of the property.
Use Heron's formula to find the area of the triangle. Round to the nearest square unit.
a = 8 inches, b = 13 inches, c = 7 inches
Group of answer choices
39 square inches
23 square inches
21 square inches
41 square inches
Answer:
24.25 in²
Step-by-step explanation:
s = (a + b + c)/2 = (8 + 13 + 7)/2 = 14 in
s - a = 6, s - b = 1, s - c = 7
so
the area = [tex]\sqrt{14\times6\times1\times7}=24.25[/tex]
What is the solution to the system of equations?
(4, 7)
(7, 4)
(12, 5)
(5, 12)
What is the solution to the system of equations?
3x+2y = 39
5x-y = 13
Answer ↷(5,12)
Solution ↷Given that,
3x + 2y = 39......(1)
5x - y = 13.......(2)
multiplying equation 1 by 5 & 2nd by 3 ,we get,
15x + 10y = 195.......(3)
15x - 3y = 39........(4)
Subtracting equation 4th by equation 3rd,
we get,
15x + 10y = 195
-15x - 3y = 39
_____________
ㅤ ㅤ13y = 156
ㅤㅤㅤ y = 12
_____________
so , y = 12 & x = 5
⤿5x-12 = 13⤿5x = 25⤿x = 5_____________
hence, option 4th ⇢ (5,12) is correct ✓
Graph Attached
Solution is (5,12)Option D
For 23-25, use the table.
In Rhonda's school, the average amount
of time spent on homework on
weeknights was 56 minutes. The table
shows how far above
and
below average
five students' times were.
Student
Difference
Fred -5
Gina 0
Hanna 3
Ilsa -3
Jon 5
23. Which students' differences were
opposite?
ANSWER ASAP PLS
Answer:
Fred and Jon
Ilsa and Hanna
Step-by-step explanation:
Fred has a difference of -5. Jon has a difference of + 5.
Positive and negative 5 are opposite.
Ilsa had a difference of -3. Hanna had a difference of + 3.
Positive and negative 3 are opposite.
Refer to the following information on full-term births in the United States over a given period of time.Type of Birth Number of BirthsSingle birth 47,200,000Twins 600,000Triplets 3000Quadruplets 200Use this information to estimate the probabilities of the following events.(a) A randomly selected pregnant woman who reaches full term delivers twins. (Give the answer to three significant figures.)(b) A randomly selected pregnant woman who reaches full term delivers quadruplets. (Give the answer to three significant figures.)(c) A randomly selected pregnant woman who reaches full term gives birth to more than a single child. (Give the answer to three significant figures.)
Answer:
Refer to the following information on full-term births in the United States over a given period of time.
Type of Birth Number of Births
Single birth 47,200,000
Twins 600,000
Triplets 3000
Quadruplets 200
Use this information to estimate the probabilities of the following events.
(a) A randomly selected pregnant woman who reaches full term delivers twins. (Give the answer to three significant figures.)
(b) A randomly selected pregnant woman who reaches full term delivers quadruplets. (Give the answer to three significant figures.)
(c) A randomly selected pregnant woman who reaches full term gives birth to more than a single child. (Give the answer to three significant figures