Answer:
x + y ≤ 251.75x + 2.50y ≤ 75Step-by-step explanation:
Paperback books = xHard cover books = yNumber of books:
x + y ≤ 25Cost of books:
1.75x + 2.50y ≤ 75The system above is the one we need
paper back books be p
hard cover books be h
The system is
p+h≤25And for cost.
1.75x+2.5y≤75mrs.Brown uses 1/4 package of graph paper for each class. She needs 1 1/2 packages to serve sll of her classes. how many classes does mrs. browm teach?
plz help will mark as brainliest
Answer:
X = 36 Plz mark brainliest :)
Step-by-step explanation:
This is quite easy actually. If you look on the right you see that the exterior angle next to x is 144 degrees. We know that a straight line is 180 degrees so to find x we can do 180 = x + 144.
Answer:
∠ACB = 36°
∠ABC = 60°
Step-by-step explanation:
∠ACB = 180 - 144 (Linear Pair)
therefore, x = 36°
∠ABC = x + 24°
∠ABC = 36 + 24
∠ABC = 60°
Find the value of x. Round to the nearest whole number.
Use trigonometry.
sin x = opposite ÷ hypotenuse
sin x = 7/9
Take the arcsin on both sides.
arcsin(sin x) = arcsin(7/9)
x = 51.057558731
Rounding to the nearest whole number means to round to the ones place.
Answer: x = 51 degrees
If the correlation coefficient in an ordinary least squares regression = 1.00, then A. all the data points must fall exactly on a straight line with a positive slope. B. all the data points must fall exactly on a straight line with a slope that equals 1.00. C. all the data points must fall exactly on a horizontal straight line with a zero slope. D. all the data points must fall exactly on a straight line with a negative slope.
Answer: Option A is correct.
Step-by-step explanation:
The correlation coefficient(r) is a statistical measure that computes the strength of the relationship between two variables.It lies between -1 and 1.
If the correlation coefficient in an ordinary least squares regression = 1.00.
That indicates that there is a perfect relationship between the variables.
i.e. all the data points must fall exactly on a straight line with a positive slope. .
[when r is positive, the slope of the line is positive].
i.e. option A is correct.
All the data points must fall exactly on a straight line with a positive slope. Then the correct option is A.
What is the correlation coefficient?It is a statistical concept that helps in establishing a relation between the predicted and actual value obtained in a statistical experiment. It explains the exactness of the predicted value and actual value.
If the correlation coefficient in an ordinary least squares regression = 1.00.
The correlation coefficient lies between -1 to 1.
If the correlation coefficient in an ordinary least squares regression is 1.00.
Then it indicates that there is a perfect relationship between the variables. That is all the data points must fall exactly on a straight line with a positive slope.
Thus, the correct option is A.
More about the correlation coefficient link is given below.
https://brainly.com/question/12400903
Hey guys this is one of the due work for my math class and i kinda need help with this.
I dont want to ask for help from my teacher. she makes it more stressful on me
Find the
1. range
2. domain
3. intervals where the graph is positive
Answer:
i need more info on the subject like wahts the angle your putting it at
Step-by-step explanation:
Mason is working two summer jobs, making $12 per hour landscaping and making $15 per hour clearing tables. In a given week, he can work a maximum of 16 total hours and must earn no less than $210. Also, he must work no less than 12 hours clearing tables. If x represents the number of hours landscaping and y represents the number of hours clearing tables, write and solve a system of inequalities graphically and determine one possible solution.
Inequality 1:
Inequality 2:
Inequality 3:
Mason could work ( ) hours landscaping and ( ) hours clearing tables.
Answer:
Cant see the images, attach a link and i will do it
Step-by-step explanation:
8 1/3 33/4 8.287 8.29 order from least to greatest
Answer:
33/4 - 8.287 - 8.29 - 8 1/3
----------------------------------------------------------------------------------------------------------------
pls can i get brainliest it took soo long to figure out
In a circle, a 315 sector has area 504piin2. What is the radius of the circle?
Answer:
Step-by-step explanation:
θ = 315°×π/180° = 1.75π radians
area of circle = (area of sector)2π/θ
= (504π)2π/θ
= 576π in²
576π = πr²
r = √576 = 24 in
Cards are chosen at random from a deck. What is the probability of getting clubs?
Answer:
1/4
Step-by-step explanation:
becayse there are 4 different kinds of suits in a deck
The Shoes cost $42
Each pack of socks costs $1.50
Martha has $53 to buy shoes and socks. If Martha buys one pair of shoes, what is the greatest number of packs of socks she can buy?
Answer:
Martha can buy 7 packs of socks.
Step-by-step explanation:
Martha has $53
Shoes = $42
Socks = $1.50 each
First subtract 42 from 53 to figure out how much is left:
⇒ $53 - $42 = $11
then divide the answer by how much each pack of socks cost:
⇒ [tex]\frac{11}{1.50}[/tex] = 7.33
next, take the whole number of the answer and multiply that by $1.50 to figure how much 7 pack of socks cost:
⇒ 7 socks x $1.50 = $10.50
subtract the answer from $11 to figure out how much remains:
⇒ $11 - $10.5 = $0.50
Answer:
She can buy 7 packs of socks
[tex] \frac{2}{6 } + \frac{1}{4} = [/tex]
how do we solve?
Answer:
7/12
Step-by-step explanation:
We cannot add fractions without the same denominator. 4 does not equal 6
ok
2/6 is the same as 4/12 because we multiply proportionately
we multiply the numerator and denominator by the same factor
2/6 x 2/2 = 4/12
now 1/4 is the same as 3/12 because we multiply by 3x3
(realize something we are not changing the value of the fraction. 2/2 is the same as 1 and 3/3 is also the same as 1)
now they have the same denominator
4/12 + 3/12+ = 7/12
Select the correct comparison
A. The typical value and the spread are both greater in set A
B. The typical value is greater in set A The spread is greater in set
C. The typical value is greater in set 8 The spread is greater in set A
D. The typical value and the spread are both greater in set
Answer:it’s b
Step-by-step explanation:
Please help me please !
Answer:
the one on the left is y=2/3x+1 and the one on the right is y=-4x+5
Step-by-step explanation:
Miguel is making trail mix. He uses 5 1/3 ounces of nuts and 2 3/4 ounces of raisins. Which
of these is a reasonable estimate for how much more nuts Miguel uses than raisins?
HELP FAST
I GOiNg GET HAIR LINe
SO PLS HELP WUICK
Answer:
the answer is B
Step-by-step explanation:
US
Find the measure of 48.
48
97/83
97
48 = [?]
Enter
What is x, The width of the triangle in centimeters
A 78cm
B 13cm
C 5.6
D 144cm
Answer:
area of rectangle=156cm²
l×b=156
12×b=156
b=156/12=13 is your answer
PLZ HELP
A $250 TV is discounted by 25%. It was then discounted another 10% because
the box was opened by a customer. After both discounts are taken, what is the total
percent discount? (HINT: Use the SALES price from the last question)
A $250
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https://brainly.com/question/14448275
Q. A mechanic has a radiator hose that
measures 32 feet long. It needs to be cut into
pieces equaling 5 feet 3 inches. How many
whole pieces can it be cut into?
A. 4 pieces
B. 6 pieces
C. 7 pieces
D. 8 pieces
The stem-and-leaf plot represents the distances, in miles, people in an office drive to work each morning.
How many people drive 20 miles or fewer to work?
Enter your answer in the box.
A stem-and-leaf plot with a stem value of 1 with a leaf value of 5, 5, 6, 6, 7, 7, 8, 8, a stem value of 2 with a leaf value of 1, 4, 5, 9, and a stem value of 3 with a leaf value of 0, 5, 5, 6.
Key: 1|5 means 15
Answer:
8
Step-by-step explanation:
gasoline was $3.759 per gallon 1 week and 3.879 per gallon by next week how much did the price change
Answer:
.12 cent
Step-by-step explanation:
Answer:
0.120
Step-by-step explanation:
3.879-3.759
0.120
Find a formula for the general term an of the sequence, assuming that the pattern of the first few terms continues. (Assume that n begins with 1.)
{1, 7, 13, 19, 25, . . . }
Answer:
the formula is a_n = 6n - 5
Step-by-step explanation:
The formula is
Given that
{1, 7, 13, 19, 25, . . . }
The difference between the numbers is
7 - 1 = 6
13 -7 = 6
19 - 13 = 6
a = 1
d = 6
Now the formula is
a_n = a + (n - 1)d
= 1 + (n - 1)6
= 1 + 6n - 6
= 6n - 5
So, the formula is a_n = 6n - 5
The quadrant that contains the point (-7,-16) is quadrant PLSS ANWAR NOW NEED HELP NOW
Answer:
hi how may i help
Step-by-step explanation:
how can i help u
if people are going the movies and the the tickets cost n the cost would be the anwser ____in the box
| 8n+6 |
-------
if they buy 6 tickets how much would it cost
Answer/Step-by-step explanation:
Epression to solve with: 8n+6
Number of tickets : 6
n - number of tickets
So you equation would be :
8(6) + 6
First multiply:
8*6 = 48
48 + 6
Next add:
48 + 6 = 54
Answer : $54what is the value of 5 in 9745?
Help asap last question
Answer:
A
Step-by-step explanation:
You can substitute any number for x in answer choice A, and the equation will always be true.
which of these is a trinomial\
A. x+2y^2-7
B. 5xy
C. 2x-7
D. 2x^3-7y^3
please help ! I need help with math because I am failing and I might have to repeat the grade.. I have a quiz right now I don’t understand this question I will provide a photo above thank you <3! question “10“ btw
2560 fluid ounces in pints is 160 which is A.
If this is incorrect, please don't refrain to tell me and I'll correct my answer. Thank you.
1/3 and 2/6 how is each pair equivalent?
Answer:
By multiple by 2
Step-by-step explanation:
1 multiplied by 2 = 2
3 multiplied by 2 = 6
In that case they equivalent due to the number 2.
m is a negative number.
Which statement is correct?
Choose only one answer.
A. m + 9 is always positive
B. m + 9 is always negative
C. m + 9 cannot be zero
D.m + 9 could be positive or negative or zero
Answer:
D
Step-by-step explanation: