Answer: A
Step-by-step explanation:
If pllot the point -1 on x-axsis and 4 on y. Quadrant || on the top left corner :)
31x m=217 what does the m mean i cant seem to figure that out.
Answer:
7?
Step-by-step explanation:
31xm=217
m=217/31
m=7
In an area of the Great Plains, records were kept on the relationship between the rainfall (in inches) and the yield of wheat (bushels per acre). Calculate the linear correlation coefficient.
Rainfall (in inches) X 8.3 6.6 11.2 103 16.6 8.1 4.8 13.4 13.8
Yield (bushels per acre). y 55.5 512 63.8 64 874 542 36.9 81 83.8
a. 0.900
b. 0.998
c. 0.899
d. 0.981
Answer:
D. 0.981
Step-by-step explanation:
Given :
Rainfall (in inches) X
8.3
6.6
11.2
10.3
16.6
8.1
4.8
13.4
13.8
Yield (bushels per acre). y
55.5
512
63.8
64
87.4
54.2
36.9
81
83.8
Using the Pearson regression Coefficient calculator :
The Regression Coefficient (R) value obtained is 0.9808 = 0.981 wgi h sig ifues a strong positive relationship between inches of Rainfall and bushel yield.
Sarah read 64 1/2 pages of her book in 6 hours. What is the average number of pages that Sarah reads per hour?
Answer:
We conclude that the average number of pages that Sarah reads per hour will be: 10.75 page per hour
Step-by-step explanation:
Given
Number of pages Sarah read [tex]=64\frac{1}{2}=\frac{129}{2} = 64.5[/tex]Number of hours Sarah spent = 6 hoursThe average number of pages per hour can be calculated by simply dividing the total number of pages i.e. 64.5 pages by the number of hours spent on reading i.e. 6 hours.
Thus,
Average number of pages per hour = 64.5 pages / 6 hours
= 10.75 page per hour
Therefore, we conclude that the average number of pages that Sarah reads per hour will be: 10.75 page per hour
simplify:
7r + 10 - 2(2r + 3s - 5t) + 2(4s - t) + 5?
Answer:
3+2+8+15
Step-by-step explanation:
it's right, trust me
Answer:
[tex]3r + 2s + 8t + 15[/tex]
Step-by-step explanation:
[tex]7r + 10 - 2(2r + 3s - 5t) + 2(4s - t) + 5[/tex]
[tex] = > 7r + 10 - 4r - 6s + 10t + 8s - 2t + 5[/tex]
[tex] = > 7r - 4r + 8s - 6s + 10t - 2t + 10 + 5[/tex]
[tex] = > 3r + 2s + 8t + 15[/tex]
What is the greatest common factor of
ax^2+ax+a
Answer:
The GCF is a.
General Formulas and Concepts:
Algebra I
FactoringStep-by-step explanation:
Step 1: Define
ax² + ax + a
Step 2: Condense
Factor GCF: a(x² + x + 1)helpppppp now plssss
Answer:
translation of four units up
Step-by-step explanation:
Answer:
A. translation of 4 units up
Step-by-step explanation:
Take one point from each line, for example:
f(x): (0, 1)g(x): (0, 5)The y-values of these points are 5 points apart, therefore, f(x) was translated 4 units up to get g(x).
helpppp????
please .
Answer:
x = -4
Step-by-step explanation:
[tex]6x + 29 = 5 \\ 6x = 5 - 29 \\ 6x = - 24 \\ x = \frac{ - 24}{6} \\ x = - 4[/tex]
83, 15, 50, 28, 52, 96 - What is the mean? What is the mode? What is the median?
Answer:
Mean: 54
Mode: There is none
Median: (50+52)/2 = 51
Step-by-step explanation:
Hope this helps!!! :D
PLEASE HELP !! picture is included !!
What is the answer to this problem?
Answer:
You are told you have a cumulative count of $400 for interest You gave $5000 in principal Principal + gained interest = Total Hence total = $5,400Use the following coordinate plane to write the ordered pair for each point.
If you can PLZ help
Answer:
For A it is 0,5
For B it is 1,3
For C it is 4,3
What is the angle measure of angle ABC?
Answer:
92°
Step-by-step explanation:
First, find the value of x.
3x + 23 = 4x (corresponding angles are congruent)
Subtract 3x from each side
23 = 4x - 3x
23 = x
x = 23
Angle ABC = 4x
Plug in the value of x
Angle ABC = 4(23)
Angle ABC = 92°
due in 10 minutes help with explanation
Answer:
first box: -9
second box: -20
Step-by-step explanation:
Group the terms with c and the ones without c:
9c - 15c - 3c = -9c
-12 - 8 = -20
So the simplification is -9c + -20
(which is the same as -9c - 20)
A particle starts to move from rest in a straight line with an acceleration which increases with constant time rate from 1 ft./sec^{2} to 4 ft./sec^{2} in one second. prove that the particle will move a distance of 1 ft. in this second.
The particle's acceleration a increases at a constant rate, so that its average rate of change is equal to its instantaneous rate of change, which is equal to
(4 ft/s² - 1 ft/s²) / (1 s) = 3 ft/s³
The particles starts with acceleration a (0) = 1 ft/s², so we can determine its acceleration at time t by the fundamental theorem of calculus:
a(t) = a (0) + ∫₀ᵗ (3 ft/s³) du
a(t) = 1 ft/s² + (3 ft/s³) t
It also starts from rest, so with initial velocity v (0) = 0. Integrating again gives us the velocity function,
v(t) = v (0) + ∫₀ᵗ a(u) du
v(t) = ∫₀ᵗ (1 ft/s² + (3 ft/s³) u) du
v(t) = (1 ft/s²) t + 1/2 (3 ft/s³) t ²
Taking the particle's initial position to be x (0) = 0, compute the integral again to determine the distance it travels in 1 s:
x(t) = x (0) + ∫₀ᵗ v(u) du
x(t) = ∫₀ᵗ ((1 ft/s²) u + 1/2 (3 ft/s³) u ²) du
x(t) = 1/2 (1 ft/s²) t ² + 1/6 (3 ft/s³) t ³
→ x (1 s) = 1/2 (1 ft/s²) (1 s)² + 1/6 (3 ft/s³) (1 s)³ = 1 ft
Brayden and his friends are driving across the US from New York to Los Angeles at a constant speed without stopping. When they have driven for 10 hours, they are 1700 miles away from Los Angeles. When they have driven for 15 hours, they are 1500 miles away from Los Angeles.a) Find a linear function that models the remaining distance, DD, to Los Angeles as a function of the amount of time, t, that Brayden and his friends have been driving.
Answer:
d=-40t+2100
Step-by-step explanation:
Let d be the distance between New York to Los Angeles and speed of driving is v miles/hour.
As when they have driven for 10 hours, they are 1700 miles away from Los Angeles, so the distance covered in 10 hours is d-1700 miles.
Similarly, the distance covered in 15 hours is d-1500 miles.
So, the distance covered in 5 hours = (d-1500)-(d-1700) =d-1500-d+1700=200 miles.
As speed = distance/time,
So the speed of driving, v=200/5=40 miles/hour
Let d (in miles) be the remaining distance at any time instant t (in hour) and the linear relation between d and t is
d=at+b ...(i)
where a and b are constants.
When they have driven for 10 hours, they are 1700 miles away from Los Angeles, so putting t=10 and d=1700 in the equation (i), we have
1700=10a+b
b=1700-10a...(ii)
Similarly, when they have driven for 15 hours, they are 1500 miles away from Los Angeles, so
1500=15a+b
1500=15a+1700-10a
1500-1700=5a
-200=5a
a= -200/5
a= -40
From equation (ii), we have
b=1700-10(-40)=1700+400=2100
From equation (i), the required equation is
d=-40t+2100
Hence the required linear function is d=-40t+2100.
Fill in the blanks to explain Meera's UDid
You already have a correct answer written!
Find a · b.
a = 5i + 4j − k, b = −4i + 9k
Answer
a · b= the square root of b(5i + 4j - k) divided by b
What is the first step in the decision-making process, and why is it important?
Answer:
Recognizing the problem or opportunity and deciding to address it.edge ⬇️
An ice cream shop offers 3 ice cream flavors 3 types of syrup and 2 toppings for sundaes
Answer: 18
Step-by-step explanation:
BRAINLIST AND EXTRA POITS
Answer:
(4.75, 2.25)
Step-by-step explanation:
When reflected across the x-axis, the y-coordinate becomes its opposite.
So if the pair given was after the reflection, the original will have the same x-value, and the opposite y-value.
(4.75 , -2.25) = (4.75 , 2.25)
(4.75, 2.25)
Step-by-step explanation:
When reflected across the x-axis, the y-coordinate becomes its opposite.
So if the pair given was after the reflection, the original will have the same x-value, and the opposite y-value.
(4.75 , -2.25) = (4.75 , 2.25)
I hope this answer helped! please mark brainliest and vote 5 stars >:)
What is the simplified value of the exponential expression 273?
Answer:
3
Step-by-step explanation:
27^1/3
= 3√27
=3 is the collect option
In ΔUVW, w = 9.7 cm, ∠W=110° and ∠U=42°. Find the length of u, to the nearest 10th of a centimeter
9514 1404 393
Answer:
6.9 cm
Step-by-step explanation:
The law of sines is useful here:
u/sin(U) = w/sin(W)
u = w · sin(U)/sin(W) = (9.7 cm)sin(42°)/sin(110°)
u ≈ 6.9 cm
Answer:
6.9
Step-by-step explanation:
What is the greatest common factor of the terms in the polynomial 4x-32x-60x?
4
4x
4x2
O 4r3
Answer:
its c (4x^2)
Step-by-step explanation:
The greatest common factor of the polynomial expression 4x - 32x - 60x is 4x
How to determine the greatest common factor?The polynomial expression is given as:
4x - 32x - 60x
Factor out x from the terms in the expression
x(4 - 32 - 60)
Factor out 4 from the terms in the expression
4x(1 - 8 - 15)
Hence, the greatest common factor of the terms is 4x
Read more about greatest common factor at:
https://brainly.com/question/1617551
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g Suppose you work for a publishing company and before launching a new magazine targeting fashion-oriented consumers, your boss wants to hold a meeting with perspective advertisers. Assume that annual expenditures on magazine ads in this genre are normally distributed with a mean of $316,532 and a standard deviation of $45,635. If the publisher wants to exclude companies with the smallest 2.74% in terms of annual expenditures on magazine ads from the sales meeting, what is the approximate minimum annual expenditure on magazine ads an advertiser would be required to have so that advertiser would be invited to the meeting
Answer:
X ≈ 228913 $
Step-by-step explanation:
The standard score z is:
z = ( X- μ ) /σ (1)
Now z (score ) for 2,74 % is:
2,74 % is 0,0274 and from z table z (score) = - 1,92
By subtitution in equation 1
-1,92 = ( X - 316532 ) / 45635
- 87619,20 + 316532 = X
X ≈ 228913 $
Lines l and M are parallel. Line l can be represented by the equation 3x+4y=8. If line m passes through the point (2, -5), which equation can be used to find the equation of line m?
Answer:
3y - 4x + 7 = 0
Step-by-step explanation
The equation of the line l in point slope form is expressed as;
y-y0 = m(x-x0)
Get the slope m of the known line
Given the line 3x+4y=8
4y = -3x+8
y = -3x/4 + 2
m = -3/4
The slope of the line m = -1/(-3/4) = 4/3
Substitute m = 4/3 and the point (2,-5) into the expression above;
y - (-5) = 4/3(x-2)
y+5 = 4/3 x + 8/3
Multiply through by 3;
3y + 15 = 4x + 8
3y-4x + 15 - 8 = 0
3y - 4x + 7 = 0
Hence the equation that can be used to find the equation of line m is 3y - 4x + 7 = 0
Equation that can be used to find the equation of line m is
[tex]y+5=\frac{-3}{4} (x-2)[/tex]
Given :
Lines l and M are parallel. Line l can be represented by the equation 3x+4y=8
Line m passes through the point (2, -5)
Equation of line L is [tex]3x+4y=8[/tex]
Lets find out the slope of the given equation by writing it in y=mx+b form
where m is the slope
[tex]3x+4y=8\\4y=-3x+8\\y=\frac{-3}{4}x +2[/tex]
the slope of line L is [tex]\frac{-3}{4}[/tex]
Slope of parallel lines are equal
slope of parallel line M is also [tex]\frac{-3}{4}[/tex]
Line M passes through (2,-5)
We use point slope formula to find equation of line m
[tex]y-y_1=m(x-x_1)\\y+5=\frac{-3}{4} (x-2)\\[/tex]
Multiply both sides by 4
[tex]4(y+5)=-3 (x-2)\\4y+20=-3x+6\\3x+4y+20=6\\3x+4y=14[/tex]
equation can be used to find the equation of line is
[tex]y+5=\frac{-3}{4} (x-2)[/tex]
Learn more : brainly.com/question/19729250
The value of y is directly proportional to the value of x. If y = 35 when & = 140, what is the value of y when 3 = 70
answer choices -
17,5
280
70
35
ANSWER NOW PLEASE
for a singing contest in which 42,000 votes were cast, the winner received 3/5 of the votes. how many votes did the winner not receive
Given,
Total number of votes casted = 42,000
The winner received 3/5 of the votes.
To find,
How many votes did the winner not receive.
Solution,
Votes received by the winner is :
[tex]\dfrac{3}{5}\times 42000\\\\=25200[/tex]
Votes didn't received by the winner = Total votes - votes received
= 42,000 -25200
= 16800
Hence, 16800 votes is not received by the winner.
Which model can be used to subtract 1/2 from 5/6?
Answer:
2nd one
Step-by-step explanation:
1/2 when multiplied with 3/3 so it has the same denominator is 3/6, the second choice shows 3/6 as a model as well as 5/6 so yea
Which ordered pair is a solution of this equation? x - 7y = -3
Answer:
Step-by-step explanation:
(-3,0)
vary hard 11th grade test paper
