Answers
Related Questions
Sheryl got these scores on her spelling tests.
95, 89, 99, 85, 82
What is the mean absolute deviation of her spelling test scores?
(10 point)
HELP PLSSSSSSSSS
5.6
17.0
89
90
Answers
Answer:
5.6
Step-by-step explanation:
Sheryl got the following scores on her spelling tests.
95, 89, 99, 85, 82
Mean = sum of all observations/ Number of observations
Sum of all observations [tex]=95+89+99+85+82=450[/tex]
Number of observations = 5
So,
Mean [tex]=\frac{450}{5}=90[/tex]
Let M denotes the mean
Mean absolute deviation [tex]=\frac{\sum_{i=1}^{n}\left | x_i-M \right |}{n}[/tex]
Put [tex]n=5[/tex]
So,
Mean absolute deviation [tex]=\frac{\sum_{i=1}^{5}\left | x_i-M \right |}{5}=\frac{|95-90|+|89-90|+|99-90|+|85-90|+|82-90|}{5}=\frac{5+1+9+5+8}{5} =\frac{28}{5}=5.6[/tex]
Answer:
5.6
Step-by-step explanation:
{5,25,35,45,55,65} Rational numbers
Answers
Answer:
yes
Step-by-step explanation:
5,25,35,45,55,65
SOMEONE PLEASE HELP I CANT GET IT
Answers
y=3x+9
Explanation:
To answer this question, we first have to understand a few key concepts.
1) The equation given (y=3x+9) is written in slope-intercept form, which is y=mx+b.
Heres what the variables mean:
Y=the coordinate
M=the slope
X=the x coordinate
B=the y-intercept (the point on the line that intercepts the y-axis)
2) Parallel lines have the same slope. Using the given equation, we now know that the slope of line s is 3. Therefore, the slope of line t is also 3 (because they are parallel).
So now, this is our equation so far:
y=3x+b
All we need to do now is find b, which we can do by plugging in the coordinate (-6,-9) as the x and y variables.
y=3x+b
-9=3(-6)+b
-9=-18+b
Add 18 to both sides
-9+18=-18+b+18
9=b
And when we plug 9 into y=3x+b, we get:
y=3x+9
(And yes, they are pretty much the same line)
I hope this helps! Please comment if you have any questions.
What is the value of f(x) when x=3?
−3
−2
1
4
Answers
Answer:
4
Step-by-step explanation:
x = 3 meets the requirement x ≥ 1 thus
f(x) = x + 1, so
f(3) = 3 + 1 = 4
Hope this helps
<3
Red
Answer:
✔-3Step-by-step explanation:
E2021
Ten times a number, x, is one-half the sum of the number and three.
Which answer represents this situation?
10x=12(x+3)
10x+12x+3
10x=12x+3
10x+12(x+3)
Answers
Answer:
10x=1/2(x+3)
If you substitute numbers and characters in for words you would get this equation.
I need help, pls answer.
Answers
Answer:
D the last one
Step-by-step explanation:
Answer:
I say D because new Orleans is closer to sea level than Salton Through
Step-by-step explanation:
Because ik it
Please help im stuck wjiesdGREE
Answers
Answer:
13/90
Step-by-step explanation:
Which equation represents the line of reflection for this graph?
3
12
2 3 4
5
6
-2
3
-5
A
O y=2
Ox=-2
© X=0
y=-1
Answers
Answer:
x= 0
Step-by-step explanation:
Because it scale factor
Explain why 10 x 2 is equivalent to 10 ÷ 1/2??
Answers
Answer: Because multiplying or dividing by the reciprocal is the same.
convert to a mixed number in simplest form 82/6
Answers
Answer:
13 4/6 or 13 and 2/3
Step-by-step explanation:
82/6
find multiples of 6 closest to 82
6*13=78
82-78 is 4
13 and 4/6 or 13 and 2/3 simplified
A kitchen sink faucet streams 0.5 gallons of water in 10 seconds. A bathroom sink faucet streams 0.75 gallons of water in 18 seconds. Which faucet will fill a 3-gallon container faster?
Answers
Answer:
Kitchen sink
Step-by-step explanation:
What is m
Enter your answer in the box
m
Answers
Answer:
x = 30
Step-by-step explanation:
x + 2x + 3x = 180 (Add like terms)
6x = 180 (Divide both sides by 6)
x = 30
Therefore;
x = 30
2x = 60
3x = 90
3x=90
2x=60
If you are referring m as x then first we need to understand and realize how a triangle will ALWAYS equate to 180°.
With that being said a triangle will always have 3 angles, along with them all being able to be added up at equating 180. In this case all of our angles are related to x. We want to first add up all of our angles to equal 180 (x+2x+3x=180 OR 6x+180.) now that we have our equation, we want to solve for x so we need to isolate x first, in order to get 6 out of 6x we must divide by 6 on both sides of the equation which will then give us 180/6=30.
With x equating to 30 then we simply plug in our values for the angle. 3(30)= 90, 2(30)= 60 and x=30
What is -4/5 divided by 2/3? I can't figure out how to get the answer and the calculators are no help at all.
Answers
If you're asking for improper, It's -6/5.
If you're asking for decimal. it's -1.2
If you're asking for mixed number, It's -1 1/5.
Answer:
-2/15
Step-by-step explanation:
Apply the fractions formula for addition, to
− 45 + 23
and solve
( −4 × 3 ) + ( 2 × 5 ) 5 × 3
= − 12 + 10/15
= −2/15
Therefore:
−45+23= −2/15
Find the range of each function when the domain is {-3, -2, 2, 3}
f(x)=5x-6
Answers
Answer:
-21, -16, 4, 9
Step-by-step explanation:
-3: f(-3) = 5(-3)-6 = -15-6 = -21
-2: f(-2) = 5(-2)-6 = -10-6 = -16
2: f(2) = 5(2)-6 = 10 - 6 = 4
3: f(3) = 5(3)-6 = 15 - 6 = 9
I'll be giving brainliest to whoever can help with these!
Answers
Answer:
2. C
3. Also C
4. C again???
5: A
Step-by-step explanation:
Line WV is perpendicular to both line RS and line TU.
On a coordinate plane, 3 lines are shown. Line V W goes through (negative 1, 5) and (1, 5). Line R S goes through (negative 5, 3) and (5, 1). Line T U goes through (negative 1, negative 2) and (4, negative 3).
Which statement must be true about line TU?
Line TU is parallel to line RS.
Line TU is perpendicular to line RS.
Line TU has no slope.
Line TU has a slope of –5
Answers
Answer:
Line TU is parallel to line RS
Step-by-step explanation:
I just got a 100 on the test
Line TU is parallel to line RS and has a slope of -1/5
What is a linear equation?
A linear equation is in the form:
y = mx + b
Where m is the slope and b is the y intercept.
Line V W goes through (-1, 5) and (1, 5). Line R S goes through (-5, 3) and (5, 1). Line T U goes through (-1,-2) and (4, -3).
Slope of VW = (5 - 5)/(1- (-1)) = 0
Slope of RS = (1 - 3) / (5 -(-5)) = -1/5
Slope of TU = (-3 - (-2))/(4 - (-1)) = -1/5
Line TU is parallel to line RS and has a slope of -1/5
Find out more on linear equation at: https://brainly.com/question/14323743
What do u think about these fr?
Answers
Answer:
They are super good!! better than me tbh lol
Step-by-step explanation:
Answer:
Yes.
Step-by-step explanation:
I like them they arent over drawn i like the simplicity and cleaness of the images you managed to do.
Is it cheaper to buy 10 single apples or buy them in a bundle of 10?
Plz help I’m not trying to fail
Answers
it's easy to by them Cheaper tbh with you
and it's a quiz Right??
Answer:
A bundle always cheaper than a single apple.
Step-by-step explanation:
Bundling helps to increase efficiencies and reduce marketing and distribution as well as maintenance cost.
What are the x and y-intercepts of the line described by the equation? -6x + 3y = 12
Answers
Answer:
(-2,0) (0,4)
Step-by-step explanation:
y + 1 3 + 7 y − 7 = 2 ( 4 y + 3 ) solve it and whats the number of solutions
Answers
subtract 8y from both sides
6=6
all real numbers
Answer:
Step-by-step explanation:
y+13+7y-7=2(4y+3)
8y+6=8y+6
which is true for all real values.
so number of solutions=infinite (all real values)
Simplify:
(11x0q6)(7x0)
I need step by step too
Answers
Answer:
(11⋅7q^6)
Step-by-step explanation:
STEP 1:
11q^6 • 7
STEP 2:
Final result :
(11•7q6)
5
What is the value of 58 ? (1 point)
Answers
Answer:
1/25
Step-by-step explanation:
Answer:
Step-by-step explanation: The absolute value of 58 is the distance between 58 and 0 on a number line. See illustration below where x is 58: Since the distance between 58 and 0 on a number line is 58, we get the answer as follows: |58| = 58. Note that the absolute value of 58 can also be written as abs (58) which may be useful to know if you have a good calculator.
Write in the name of the molecular geometry for each molecule described below.
A molecule with two atoms and no lone pairs around the central atom has a
shape.
A molecule with four atoms and no lone pairs around the central atom has a
shape.
A molecule that has two atoms and two lone pairs around the central atom has a
shape.
A molecule that has five atoms and no lone pairs around the central atom has a
shape.
Answers
Answer:
linear
tetrahedral
bent
trigonal-bipyramidal
Step-by-step explanation:
Molecular geometry, also known as the molecular structure, is the three-dimensional structure or arrangement of atoms in a molecule.
a) A molecule with two atoms and no lone pairs around the central atom has a shape -Linear.
b) A molecule with four atoms and no lone pairs around the central atom has a shape- Tetrahedral
c) A molecule that has two atoms and two lone pairs around the central atom has a shape - Bent.
d) A molecule that has five atoms and no lone pairs around the central atom has a shape- Trigonal-bipyramidal.
Learn more about molecular geometry here:
https://brainly.com/question/21939862
#SPJ2
When lava is expelled from a volcano, it temperature may vary from 700 degrees Celsius to 1200 degrees Celsius. Write an absolute value equation that represents the minimum and maximum temperatures of lava. Use x to represent the temperature.
Equation:__
Answers
Answer:
Ix - 950°C I ≤ 250°C
Step-by-step explanation:
We are told that the temperature may vary from 700 degrees Celsius to 1200 degrees Celsius.
And that this temperature is x.
This means that the minimum value of x is 700°C while maximum of x is 1200 °C
Let's find the average of the two temperature limits given:
x_avg = (700 + 1200)/2 =
x_avg = 1900/2
x_avg = 950 °C
Now let's find the distance between the average and either maximum or minimum.
d_avg = (1200 - 700)/2
d_avg = 500/2
d_avg = 250°C.
Now absolute value equation will be in the form of;
Ix - x_avgI ≤ d_avg
Thus;
Ix - 950°C I ≤ 250°C
Look at image please help me I’m struggling
Answers
You can get this by looking at the slope, it goes up by 2 and then to the right by 1.
Alex bar and Carl are brothers Alex is the oldest and Carl is the youngest the some of the ages of the three brothers is 42 Alex his age is three more than twice Carl's age the difference between Barts in Carl's ages is seven years how old is each brother
Answers
Answer:
Alex = 19 years
Bart's = 15 years
Carl = 8 years
Step-by-step explanation:
Let us represent their ages as
Alex = x
Bart's = y
Carl = z
the sum of the ages of the three brothers is 42
x + y + z = 42
Alex his age is three more than twice Carl's age
x = 2z + 3
The difference between Barts in Carl's ages is seven years
y - z = 7
y = 7 + z
Hence: we Substitute
x + y + z = 42
2z + 3 + 7 + z + z = 42
Collect like terms
2z + z + z + 10 = 42
4z = 42 - 10
4z = 32
z = 32/4
z = 8 years
Hence, Carl = 8 years old
a) y = 7 + z
y = 7 + 8
y = 15 years.
Hence, Bart's is 15 years old
b)x = 2z + 3
x = 2(8) + 3
= 16 + 3
= 19 years
Therefore, Alex is 19 years old.
In the diagram below, DE is parallel to Y. What is the value of x
Answers
The answer is: x is choose your answer
Answers
Answer:
All real numbers
Let's find the critical points of the inequality.
−4x+7=17
−4x+7+−7=17+−7(Add -7 to both sides)
−4x=10
−4x−1=10−1
(Divide both sides by -1)
4x=−10
4x=−10(Solve Exponent)
log(4x)=log(−10)(Take log of both sides)
x*(log(4))=log(−10)
x=log(−10)log(4)
x=NaN
Kelly ran 3 miles fewer than twice as far as Jim. Jim ran
m miles. Which expression represents how far Kelly ran?
Answers
Answer:
2m - 3
Step-by-step explanation:
she ran 3 miles less than twice as far as Jim
100 points and brainliest
Mira and Sasha observed two points, P and Q, on a number line.
A number line is shown from negative 2 to positive 2 with increments of 2 over 8. A point P is shown at the seventh tick mark to the left of 0, and a point Q is shown at the seventh tick mark to the right of 0.
Sasha said that the absolute values of the numbers represented by the two points are different.
Mira said that the absolute values of the numbers represented by the two points are the same.
Which of the following explains who is correct?
A Sasha, because the points are of different signs
B Sasha, because the points are at different locations
C Mira, because each of the two points is 14 over 8 units from 0
D Mira, because the distance between the two points is 14 over 8 units
Answers
Answer:
A Sasha, because the points are of different signs
Answer:
D
Step-by-step explanation:
I got it right in my test and I saw it in some other brainly question