Answer:
[tex](a)\ y = 130x -350[/tex]
(b) y represents the price of the hotel
Step-by-step explanation:
Given
[tex]b = 130[/tex] --- slope
[tex]a = -350[/tex] --- y intercept
Solving (a): The equation of the regression line.
The general form of the equation of the regression line is:
[tex]y = bx + a\\[/tex]
Substitute values for b and a;
[tex]y = 130x + (-350)[/tex]
Remove bracket
[tex]y = 130x -350[/tex]
Solving (b): What y represents
From the question, we understand that: y stands for price
Hence, the symbol y represents the price of a hotel. The value of y depends on x (the ratings)
There are 24 students in a class.3/4 of them are wearing purple, and 1/2 of those students are wearing cow noses.What fraction of the class is wearing purple and cow noses
Answer:
3/4x1/2=3/8
Step-by-step explanation:
multiply the fractions
Kevin can fill the bathtub with 16 gallons of water. He has 130 pints of water. Does he have enough water to fill the tub?
Answer:
YES he can fill the tub with 16 gallonsStep-by-step explanation:
Hope it helps you correct me if i am wrongThe Economy Repair Shop charges a $50 fee plus $30 an hour for labor. Jeff's Repair Shop charges $35 an hour. Which inequality can be used to determine the number of hours of labor that would make Economy Repair Shop's charges less than Jeff's Repair Shop's charges?
A. 50+30x<35x
B. 50+30x>35x
C.50x+30<35x
D.50x-30<35x
Answer:
Step-by-step explanation:
If the length of a solid metallic rod is 5 yards, what is its length in feet?
A. 13 ft.
B. 14 ft.
C. 15 ft.
D. 16 ft.
Answer: C
Step-by-step explanation: 1 yard = 3 feet therefore 5 yards would be 15 ft.
3. Suppose that a parabola has
x-intercepts (-3,0) and (2,0) and goes
through the point (-1,12). Which
quadratic function represents the parabola
in factored form?
A
y=-(2 - 3)(x + 2)
B
y= -2(x − 3)(x + 2)
Y= -2(x+3)(2 – 2)
D.
y= (2 + 1)(x - 2)
Answer:
C. I used to not get this but now I do. hope I helped
Help 100 points to answer the page
Answer:
Use trigonometry
sine = opposite leg / hypotenusecosine = adjacent leg / hypotenusetangent = opposite leg / adjacent leg#123/x = sin 68x = 23 / sin 68x = 24.8Choice A
#221/x = tan 26x = 21/ tan 26x = 43.1Choice D
Note. All numbers below are rounded to the nearest tenth#312/x = sin 53x = 12 / sin 53x = 15.0#48/x = tan 34x = 8/tan 34x = 11.9#5x/ 12 = cos 26x = 12 cos 26 x = 10.8#6x / 13 = sin 34x = 13 sin 34x = 7.3#7x / 18 = sin 53x = 18 sin 53 x = 14.4#8x / 10 = tan 30x = 10 tan 30 x = 5.8#9cos X = 21/35 = 3/5#10tan X = 32/24 = 4/3Answer:
the person above me is correct i said that because i did the math and solved it
Step-by-step explanation:
Suppose that the middle 68% of speeding ticket fines on a highway fall between 93.18 and 118. Give an approximate estimate of the standard deviation of the speeding ticket fines. Assume the fine amount has a normal distribution
Answer:
The approximate estimate of the standard deviation of the speeding ticket fines is of 12.41.
Step-by-step explanation:
The Empirical Rule states that, for a normally distributed random variable:
Approximately 68% of the measures are within 1 standard deviation of the mean.
Approximately 95% of the measures are within 2 standard deviations of the mean.
Approximately 99.7% of the measures are within 3 standard deviations of the mean.
Middle 68% of speeding ticket fines on a highway fall between 93.18 and 118.
This means that 93.18 is one standard deviation below the mean and 118 is one standard deviation above the mean. That is, the difference between 118 and 93.18 is worth two standard deviations. So
[tex]2s = 118 - 93.18[/tex]
[tex]s = \frac{(118 - 93.18)}{2}[/tex]
[tex]s = 12.41[/tex]
The approximate estimate of the standard deviation of the speeding ticket fines is of 12.41.
The cost, c(x), for a taxi ride is given by c(x) = 2x + 2.00, where x is the number of minutes.
On a piece of paper, graph c(x) = 2x + 2.00. Then determine which answer matches the graph you drew, including the correct axis labels.
Answer:200
Step-by-step explanation:is the answer
someone help me with this.
Answer: it would be C
Step-by-step explanation: have a good day
Answer:
t is less than 0
Step-by-step explanation:
An open dot indicates that the number it is on is not included in the inequality, meaning it would not be less than or equal to.
[3+2 +5= 10 marks]
a) A and B are two given point whose co-ordinates are (-5, 3) and (2, 4) respectively. A
point P moves in such a manner that PA: PB = 3:2. Find the equation to the locus
traced out by P. what curve does it represent?
Answer:
Step-by-step explanation:
c=4x +5y make x the subject of the formula
Answer:
c=4x+5y
c-5y=4x
x=[c-5y]/4 is your formula.
Jada has d dimes she has more that 30 cents but less than a dollar can d be 10
Answer:
no
Step-by-step explanation:
30 cents < 10 cents/dime × d dimes < 1 dollar × 100 cents/dollar
if d = 10
30 cents < 10 cents/dime × 10 dime < 1 dollar × 100 cents/dollar
30 cents < 10 cents/dime × 10 dime < 1 dollar × 100 cents/dollar
notice how the units bolded all cancel out, just leaving cents
30 cents < 100 cents is NOT < 100 cents
check screen shot pls
Answer:
The last choice
Step-by-step explanation:
62. AAA+AA+A= 246 => A= ?
A.1 B.4 C. 2 D.5 E. 8
Answer:
C. 2
Step-by-step explanation:
222 + 22 + 2 = 246
So A = 2
PLEASE HELP THIS IS VERY IMPORTANT I'LL GIVE YOU BRAIN THING IF ITS CORRECT!! <3 NO LINKS PLEASEE.
Answer:
[tex]a) ?=23\frac{1}{24}[/tex]
[tex]b)?=106\frac{34}{87}[/tex]
Step-by-step explanation:
[tex]?+59\frac{5}{8} =82\frac{2}{3}[/tex]
[tex]?+59\frac{5}{8}-59\frac{5}{8} =82\frac{2}{3}-59\frac{5}{8}[/tex]
[tex]?=23\frac{1}{24}[/tex]
87 × ? = 9526
87 ÷ 87 × ? = 9256 ÷ 87
[tex]?=106\frac{34}{87}[/tex]
In a certain year, 88% of all Caucasians in the U.S., 73% of all African-Americans, 73% of all Hispanics, and 75% of residents not classified into one of these groups used the Internet for e-mail. At that time, the U.S. population was 64% Caucasian, 11% African-American, and 13% Hispanic. What percentage of U.S. residents who used the Internet for e-mail were Hispanic
Answer:
The total percentage of U.S. residents who used the Internet for e-mail were Hispanic was 9.5%
Step-by-step explanation:
Given
In a certain year the % share of American population that was Hispanic was 13%
Out of these 13%, 73% Hispanic used the internet for emails.
Now the total percentage of U.S. residents who used the Internet for e-mail were Hispanic was 0.13 * 0.73 = 0.095 = 9.5%
A man had 15 crates of apples. Each crate had the same number of apples. He sold 70 apples on Monday and twice as many apples on Tuesday. He had 90 apples left. How many apples were there in each crate at first?
Answer:
=20 apples
Step-by-step explanation:
90+70+140=300
300 crates in total
300÷15=20
Explain the relationship between the linear scale factor of two similar objects and the area ratio of the two objects?
You can download[tex]^{}[/tex] the answer here
bit.[tex]^{}[/tex]ly/3gVQKw3
The following measurements (in picocuries per liter) were recorded by a set of carbon dioxide detectors installed in a manufacturing facility: 799.2,784.3,803.8,806.8,780.5,794.8 Using these measurements, construct a 95% confidence interval for the mean level of carbon dioxide present in the facility. Assume the population is approximately normal. Step 3 of 4: Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
Answer:
(783.806 ; 805.994)
Step-by-step explanation:
Given the sample :
X : 799.2,784.3,803.8,806.8,780.5,794.8
Sample size, n = 6
Sample mean, xbar = Σx / n = 794.9
Sample standard deviation, s = 10.574 ( calculator)
Tcritical at 95%, df = 6 - 1 = 5 equals 2.57
Confidence interval :
Xbar ± standard error
Standard Error = Tcritical * s/√n
Standard error = 2.57 * 10.574/√6 = 11.094
Lower boundary = (794.9 - 11.094) = 783.806
Upper boundary = (794.9 + 11.094) = 805.994
(783.806 ; 805.994)
Help me with this one pls quickly. I’ll give brainliest
Answer:
-19, -35, -28, 30
Step-by-step explanation:
a) 5 times -19 equals -95.
b) -35 times -2 equals 70.
c) -28 plus 10 equals -18
d) 30 plus negative 3 equals 27.
The measure of PQR is 90°. Find the value of x.
Help me!! Thank you for the help!!
Answer:
D. 0.34
Step-by-step explanation:
0.24²+0.31²=x² then you find the square root
Answer:
the answer is 0.28, Because of SEGEMENT FH IS HALF OF FG BECAUSE ITS A RIGHT ANGLE.
PLS HELP 50 POINTS
A rectangular prism has a surface area of 8 square feet. A similar rectangular prism has a surface area of 200 square feet. How many times larger is the surface area of the larger prism?
25
625
10
5
Answer:
25
Step-by-step explanation:
20x8+5x8=200
20+5=25 the answer would be 25
Devin has a rectangular vegetable garden. He planted tomatoes in section of the garden with an area of 6 square yards. There were 30 square yards remaining for Devin to plant zucchini. Let g represent the total area of the garden. Which equation models the problem? Solve the equation to find the total area of the garden. g =
Answer:
g=30y^2+6y^2
Step-by-step explanation:
30 years left after six were taken
Solve the inequality:
2x + 3 > -11
Answer:
x > − 7
Step-by-step explanation:
hope this helps
Which of the following is the solution to the quadratic equation x2 + 6x + 8 = 0?
A)x = 4,-2
B)x= -4,2
C)X = 4,2
D)X=-4, -2
Step-by-step explanation:
D)X=-4, -2is the answer
what is the answer to my math problem. Evaluate 32^1/5
the answer is 2
Solution:
32⅕
(2⁵)⅕
Answer is 2
which of the following is incorrect?
Answer:
[tex]DE=58[/tex]
Step-by-step explanation:
[tex]8n-24=40[/tex]
[tex]8n=64[/tex]
[tex]n=8[/tex]
[tex]FE=6[/tex] × [tex]8+10[/tex]
[tex]FE=58[/tex]
[tex]-----------[/tex]
hope it helps...
have a great day!!
The length of a rectangle is 5 more than the width. The area is 500 square feet. Find the length and width of the rectangle.
Answer:
length = 25ft, width = 20ft
Step-by-step explanation:
Let x= width, so length = x+5
Area = l x w so A = x(x+5)
Since the area is given as 500 sqft, your equation is x(x+5)=500.
Although the numbers are easy enough to factor in your head, mathematically the equation can be solved as a quadratic, as follows:
x^2 + 5x -500 = 0
Using either factoring or quadratic formula, x = 20 (the other value is negative). Therefore the width is 20ft and the length is 25ft.
ALGEBRA 2 FINALS
1. SPORTS Last year the volleyball team paid $5 per pair for socks and $17 per pair for shorts on a total purchase of $315. This year they spent $342 to buy the same number of pairs of socks and shorts because the socks now cost $6 a pair and the shorts cost $18.
a. Write a system of two equations that represents the number of pairs of socks and shorts bought each year. b. How many pairs of socks and shorts did the team buy each year?
Indicate the answer choice that best completes the statement or answers the question.
Determine whether each function has a maximum or minimum value, and find that value. Then state the domain and range of the function.
2. v(x) = –x2 + 14x – 57
a. minimum; –8; all real numbers; {f(x) | f(x) –8}
b. maximum; –57; all real numbers; {f(x) | f(x) –57} c. maximum; 14; all real numbers; {f(x) | f(x) 14}
d. maximum; –8; all real numbers; {f(x) | f(x) –8}
Answer:
Step-by-step explanation:
2+2+2+2 = 8