Find the standard deviation for the test scores
given in the following stem-and-leaf plot.
Answers
Related Questions
Find the discriminant. (Must Show Work)
x^2+4x+4=0
Answers
Answer:
0
Step-by-step explanation:
discriminant,b2-4ac
=4^2-4×1×4
=16-16=0
The price of gold is proportional to its
weight. 100 grams of gold costs £2315. Find
the cost of 250 grams of gold.
Answers
Answer:
£5787.50
Step-by-step explanation:
mark brainliest
true or false? typing 720 words in 12minutes is equal to 60 words per minute
Answers
Answer:
720/60
=12
Yepz
Step-by-step explanation:
TrueHope it helps
Answer:
It's True
Step-by-step explanation:
1 minute = 60 words
then how many words in 12 minutes?
So, Multiply 12 with 60
12 × 60 = 720
Thus, 720 words can be type in 12 minutes
-TheUnknownScientist
Solve the equation 9=h/9
Answers
EXPLANATION: I hope I help
does anyone know the answer to this ?
Answers
Answer:answer b
Step-by-step explanation:
Answer:
I think it is B
Step-by-step explanation:
You move left 3 units. You end at (-3, 5). Where did you start? please someone help!!!!
Answers
What will happen to a number, if it was added to its inverse?
Answers
Answer:
The word "inverse" in the question is ambiguous, since x usually has inverses under both addition and multiplication. ... If the question is asking about the additive inverse (opposite), then the sum is always 0 for any x . So the sum takes its maximum value for any x .
Step-by-step explanation:
Answer:
Zero
Step-by-step explananation:
An inverse is the opposite of another number, so if you add them together it would equal zero.
Here are a few examples.
5+-5=0
9+-9=0
150+-150=0
-220+220=0
-476+476=0
The inverse is simply the originall number, but on the opposite side of the number line. Meaning you add or take away the negative sign, depending on the original number.
Hope I explained well:)
Juan wants to buy a doll house that is 45% off. The original price is
$74.85.
What is amount of discount (nearest hundredth)?
Answer this quick pls!! :,)
Answers
Answer:
well if you would divide 74.85 by 45% you would 33.6825.
and also i am the same guy that you answered a question from bioligy i got 3 more questions plaese answer them if you can.ty:)
Answer:
$33
Step-by-step explanation:
Given :
45%
$74.85
45% of 74.85 is
Answer = $33
solve (x-3)^2=5
A. x=5+√3
B. x=-3+√5
C. x=3+√5
D. x=8 and x=-2
Answers
Answer:
A
Step-by-step explanation:
we should first find the value of x.
Answer:
C
Step-by-step explanation:
(x-a)^2=5
x-3=root of 5
x= root of 5 +3
HELP PLEASE, I will mark brainless
Answers
(-2,17) (-3,20)
(-2)-(-3) = 1
(17)-(20)=-3
slope is 1/-3
Triangle ABC is similar to triangle DEF. What is the value of x in centimeters?
A. 17 cm
B. 16.5 cm
C. 15.4 cm
D. 18 cm
Answers
Answer:Triangle ABC is similar to triangle DEF. What is the value of x in centimeters?
Step-by-step explanation: it will be B
Evaluate -8 × (-10 + (-7))
Look at the image for more understanding.
Answers
Answer:
The answer is 136.
Step-by-step explanation:
1) Remove parentheses.
[tex] - 8 \times ( - 10 - 7)[/tex]
2) Simplify -10 - 7 to -17.
[tex] - 8 \times - 17[/tex]
3) Simplify.
[tex]136[/tex]
Therefor, the answer is 136.
Find the first four terms of the sequence given by the following.
an= 9(2)^-1,
n=1, 2, 3...
Answers
Answer:
See this attachment...
Step-by-step explanation:
Your answer dear
hope it's helpful to you
A set of data points has a line of best fit of y= -0.2x + 1.7. What is the residual for the point (5, 1)?
Α. 1.5
Β. Ο.7
C. 0.3
D. -0.3
Answers
Substitute x in the equation for the x in the given coordinate, 5
-0.2 times 5 is -1
Then add 1.7 to -1 and you get 0.7
Answer: 0.3
Step-by-step explanation: I took the test
Item 19 The staircase has three parallelogram-shaped panels that are the same size. The horizontal distance between each panel is 4.25 inches. What is the area of one panel?
Answers
Answer:
[tex]Area = 287\ in^2[/tex]
Step-by-step explanation:
Given
[tex]Length = 20.5[/tex]
[tex]Space = 4.25[/tex]
[tex]Panels = 3[/tex]
See attachment
Required
The area of one panel
From the attachment, the total width is 50.5in.
i.e.
[tex]Total\ Width = 50.5[/tex]
Given that there are 2 spaces between the 3 panels and each space has a length of 4.25 in.
The reduced width is:
[tex]Reduced\ Width = 50.5 - 2 * 4.25[/tex]
[tex]Reduced\ Width = 42[/tex]
At this point, we can calculate the width of one panel by dividing the reduced width by the number of panels (3).
[tex]Width = \frac{42}{3}[/tex]
[tex]Width = 14[/tex]
The area of one is:
[tex]Area = Length * Width[/tex]
[tex]Area = 20.5 * 14[/tex]
[tex]Area = 287\ in^2[/tex]
Which equation represents the relationship between m and d on the chart below?
Plssss Hurry!!
Answers
Answer:
I guess the answer is 6.the last choice
Your friend is trying to solve the equation. Is your friend correct? Does x = 15? How do you know?
Answers
Answer:
no he is not correct you are supposed to divide by -5 and the correct answer is -4
Step-by-step explanation:
pls mark brainliest
Answer:
No x doesn't equal to 15. And I know this because -5 -5 = 15 ? which is no
how many true solutions are in x^2− 6x − 7 = 0
Answers
Evaluate the following expression:
62 - 7(8 + 6 – 3²)
ANSWER STAT!!
Answers
Answer:
27
Step-by-step explanation:
A cylinder has a height of 17 millimeters and a radius of 6 millimeters. What is its volume? Use ≈ 3.14 and round your answer to the nearest hundredth.
Answers
Answer:
1921.68mm^3
Step-by-step explanation:
Given data
H=17 millimeters
R=6 millimeters.
We know that the expression for the volume of cylinder is
V= πr^2h
substitute
V= 3.14*6^2*17
V= 3.14*36*17
V= 1921.68 mm^3
Hence the volume is 1921.68mm^3
ABC is isosceles AC=20 and BC= 3x-7
Answers
Answer:
x=9
Step-by-step explanation:
plsss help i’ll give brainliest if you give a correct answer
Answers
Answer:
It is x=7.
Step-by-step explanation:
(7)+8=15 You can subtract and you can get 7!!!
Answer:
X = 7
Step-by-step explanation:
If we take the equation
x + 8 = 15
and then subtract 8 on both sides we get
x = 7
so therefore x is 7 to make the value true.
√5 is between _________ and __________.
-√30 is between _________ and _________.
-√15 is between __________ and _________.
√18 is between __________ and __________.
√72 is between __________ and __________.
-√125 is between _________ and __________.
Answers
Answer:
2 and 3, -5 and -6, -3 and -4
Step-by-step explanation:
list all of your perfect squares
[tex]\sqrt{1}, \sqrt{4} ,\sqrt{9} , \sqrt{16} , ...\\[/tex]
So [tex]\sqrt{5}[/tex] is between [tex]\sqrt{4} and \sqrt{9}[/tex] so it is between 2 and 3
If that is a negative [tex]\sqrt{30}[/tex] then it is between square root of 25 and 36, which would be -5 and -6
-[tex]\sqrt{15}[/tex] is between [tex]\sqrt{9} and \sqrt{16}[/tex] so -3 and -4
— 7x — 4y = — 44
7x — Зу = 16
Answers
Answer:
-7x-4y+4y=-44+4y
-7x=4y-44
-7x/-7= 4y-44/-7
x=-4/7y+44/7
x=-4/7y+44/7
Step-by-step explanation:
Can someone help me with this it’s timed !!!
Answers
Answer:
c
Step-by-step explanation:
Answer:
1. A
2. Missouri Compromise
3. Abolition
Step-by-step explanation:
Find the common difference of the arithmetic sequence 8, 17, 26, 35,
Answers
Answer:
The answer is 9
Step-by-step explanation:
The segments shown below could form a triangle.
A. True
B. False
Answers
HELP! 9 is what percent of 100 (need to show how I got my answer)
Answers
Answer:
9%
Step-by-step explanation:
We can start by changing this number to a fraction.
[tex]\frac{9}{100}[/tex]
We know that 100 is a whole percentage
Therfore, we would get 9%
Renaldo says that parallel lines intersect a circle at opposite
ends of the same diameter. If a line is tangent to a circle, then
the radius of the circle is perpendicular to the line at the point of
tangency. Does this fact support Renaldo's conjecture? Explain
Answers
Answer:
Yes
Step-by-step explanation:
Noted that the claim only stands true IF BOTH OF THE LINES ARE TANGENT TO THE CIRCLE. [If one line cut the circle at 2 distinct points, the claim is false]
This can be explained with tangent properties. Consider a circle with radius r, by tangent properties, then the radius of the circle is perpendicular to the line at the point of tangency as stated in the question. Since the two lines are parallel, we can bring back up parallel lines theory, the alternative angles of the two tangent to the circle is equal to 90.
Try to draw a line linking the two points of tangent passing through the radius, it is the diameter of the circle, thus parallel lines intersect a circle at opposite ends of the same diameter.
determine two pairs of polar coordinates for the point (4, -4) with
Answers
Answer:
(4√2cos 135, 4√2sin135)
Step-by-step explanation:
determine two pairs of polar coordinates for the point (4, -4) with
Given the rectangular coordintate
r = √4²+(-4)²
r = √16+16
r = √32
r = √16*2
r =4√2
Theta = arctan(-4/4)
theta = arctan(-1)
theta = -45
theta = 180 - 45
theta = 135 degrees
x = rcos theta
y = rsin theta
x = 4√2cos 135
y = 4√2sin135