Answer:
p(-4) = -134
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
FunctionsFunction NotationStep-by-step explanation:
Step 1: Define
p(x) = x³ - 3x² + 7x + 6
p(-4) is x = -4
Step 2: Evaluate
Substitute in x [Function]: p(-4) = (-4)³ - 3(-4)² + 7(-4) + 6Evaluate exponents: p(-4) = -64 - 3(16) + 7(-4) + 6Multiply: p(-4) = -64 - 48 - 28 + 6Subtract: p(-4) = -140 + 6Add: p(-4) = -134Julie manages a franchise restaurant and is analyzing the tips left at her location. From corporate informational material, she knows the overall
population mean is $6.85 with a standard deviation of $1.25. Julie has a sample of 180 tips for her franchise. By the central limit theorem, which
interval can Julie be 95% certain that the sample mean will fall within?
OA. $6.76 and $6.94
O B. $6.57 and $7.13
OC. $6.66 and $7.04
OD. $6.83 and $6.87
Answer:
$6.66 and $7.04
Step-by-step explanation:
I got it right
The $6.76 and $6.94 is the interval Julie can be 95% certain that the sample means will fall within option (A) is correct.
What is the standard deviation?It is defined as the measure of data disbursement, It gives an idea about how much is the data spread out.
[tex]\rm \sigma = \sqrt{\dfrac{ \sum (x_i-X)}{n}[/tex]
σ is the standard deviation
xi is each value from the data set
X is the mean of the data set
n is the number of observations in the data set.
From the central limit theorem:
σ(x) = σ/√n
The standard deviation σ = $1.25
The sample n = 180
σ(x) = 1.25/√180
σ(x) = 1.25/√1801
σ(x) = 0.0931
The lower limit = 6.85 - 0.0931 = 6.756 = 6.76
The upper limit = 6.85 - 0.0931 = 6.943 = 6.94
Thus, the $6.76 and $6.94 is the interval Julie can be 95% certain that the sample means will fall within option (A) is correct.
Learn more about the standard deviation here:
brainly.com/question/12402189
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The volume of a cylinder is 8478 cubic inches and the radius is 15 inches which measurement is closest to the height of the cylinder
in inches
Answer:
90 inches
Step-by-step explanation:
hope it may help u I am sure about the ans
if possible mark me brainlist
Eu Conversion w decal values.
A multivitamin tablet contains 18.5 mg of calcium. How much calcium does a bottle of 60 tablets contain?
Write your answer in grams.
Answer:
1.11g
Step-by-step explanation:
1 Table = 18.5 mg
60 Tablets = 60*18.5 = 1110 mg
1mg=0.001g
1110mg=1.11g
What is it’s equation in point slope form?
Answer:
y = -2x + 28
Step-by-step explanation:
Slope intercept form is-
y = mx + b
y = y coordinate
m = slope, the rise/run
x = x coordinate
b = the y-intercept, the place the line crosses the y-axis.
Now, fill in the formula with the proper information.
y = -2x + b You can use the point (10, 8) for the x and y coordinates to find b
8 = -2(10) + b Now solve for b
8 = -20 + b
+20 +20
28 = b Now substitute 28 in for b
y = -2x + 28
Answer:
y-8=-2(x-10)
Step-by-step explanation:
y-y1=m(x-x1)
y-8=-2(x-10)
A square is inscribed in a circle as shown. If the side length of the square is 16 feet, calculate the area of the shaded region to the nearest tenth.
Answer:
probably 145.15ft^2 but who really knows good luck
Step-by-step explanation:
we're gonna have to find the area of the square and circle and then subtract the square area to see the remaining shaded area's value. if the square has side of length 16 then we know it's area is 16ftx16ft=256ft^2. Now the area of the circle requires us to know its radius. we see the diagonal dashed line travels the diameter of the circle. you can use pythagoras theorem to find its length so sqrt(16^2+16^2)=22.63ft. but this is diameter and we want radius so 22.63/2=11.3ft. the formula for the area of a circle is pi*r^2 so pi*11.3^2=401.15ft^2. now we can say 401.15-256=145.15ft^2
378cm=3m 78cm=
802.6cm=6km 740m=
Answer:378
Step-by-step explanation:
What is an angle call measure between 90° and 180°
The numbers of beads on 500 handcrafted bead necklaces follow a normal distribution whose mean is 24 beads and standard deviation is 4 beads. Which sentence most closely summarizes the data?
Answer:
About 80 necklaces have more than 28 beads.
Step-by-step explanation:
PLEASE HURRY<33
Graph the following piecewise function. f(x)={x^2+2 if -5
The graph for the first is line segment joining (x, y) = (−2,−4)and (2, 4), sans the end points. The second part is the line through (-2, -6) and (-3, -9), from (-2, -6), excepting (-2, -6). ..
Step-by-step explanation: you are using y for the piecewise function.
Please I need help it’s an emergency
Answer:
option B is your correct answer
Simplify the radical expression 4√13-6√13+10√13
Answer:
4√13-6√13+10√13= 24
Step-by-step explanation:
Answer:
8√13
Step-by-step explanation:
Which of the following is a statistical question?
What color is the principal's car?
What is the most common color car in the school parking lot?
Does Jalen own a cell phone?
What is your favorite color?
HELP
Answer:
so the question is going to be .B
Step-by-step explanation:
ILL MARK BRAINLYEST
Which statement is true. Supplementary angles:
Group of answer choices
are congruent
add up to 180 degrees
are two angles inside a triangle
add up to 90 degrees
Step-by-step explanation:
Supplementary angles add up to 180 degrees
Complementary angles add up to 90 degrees
It is just a rule that is important to geometry
I hope that helps :)
Answer:
Add up to 180 degrees
Step-by-step explanation:
Supplementary angles can be two separate angles and the acute angles of a right triangle are complementary which make option 3 false. They are not always congruent and do not add up to 90 degree in total. Making option 1 and 4 false as well.
A bear loves visiting his friend, the piglet. The distance between their houses is 300m , and the bear always walks from his house to the piglet's house in exactly the same amount of time. But today, the bear stops at a beehive after walking —1 of the 4 distance. He eats honey for 2.5 minutes and then continues to the piglet's house at a speed 15 m/min faster than usual. The total journey to the piglet's house takes the exact same amount of time as it usually does, when the bear does not stop for honey. How long does the journey take?
Answer:
10mins
Step-by-step explanation:
you can draw a rtd chart for this problem
rate (m/min)| time (mins) | distance (m )
regular: (300/x) | x | 300m
fist 1/4 : (300/x) | 75: (300/x) | 75m
last 3/4: | (300/x)+15 | 225:(300/x + 15) | 225m
then, make an equation for the times:
x= (75: (300/x)) + (225: ( (300/x)+15) + 2.5 = x
// get the 2.5 mins from the stop for honey, and we know that regular speed is equal to the one with a stop
solve equation to get x=-20/3 , x=10, because speed is positive, x=10 is the most reasonable answer
The age of a man is twice the sum of the ages of his two sons. Ten years ago, his age was five times
the sum of their ages. Find his present age.
a) 40 years
b) 50 years
c) 60 years
d) 70 years
Answer:
suppose: the age of the man now is x
the sum of the ages of his two sons now is y
(x, y > 0, x, y € N)
so the age of the man 10 years ago is x - 10
the sum of the ages of his 2 sons ten years ago is
y - 20
because now, The age of a man is twice the sum of the ages of his two sons => x = 2y
because Ten years ago, his age was five times
the sum of their ages
=> x - 10 = 5( y - 20)
<=> x - 10 = 5y - 100
<=> 2x - 20 = 10y - 200
<=> 2x = 2y.5 - 180
but x = 2y => 2x = 5x - 180
<=> 3x = 180
<=> x = 60
=> his present age is 60
help me Graph -x -2y=4
Answer: This is the graph for -x -2y=4
First one to answer gets BRAINLIEST no cap look at the picture.
I’m not good at math can someone please help me with this .
Answer:
Please like this i need pointgs
Step-by-step explanation:
the add 229129802032s3 9230
Sammy makes $2,362/month as a baseball coach. He is making a budget, and has created the following chart in order to divide his monthly paycheck into his various accounts:
Answer:
B
Step-by-step explanation:
B
$5,136; approximately 24 months.
I got 100% on Edg.
select the word statement that best matches the number statement
3.x=r
If x is the number of teachers and r is the number of students, then
(a) There are 3 times as many teachers as students.
(b) There are 3 more teachers than students.
(c) There are 3 times as many students as teachers.
£399 is shared between Ann, Bill, Chloe and Dave
Answer:
99.75
Step-by-step explanation:
Felicia and gabriella are on the hamilton middle school basketball team. The box plots show the number of points they scored in 8 basketball games.
Answer:
I
Step-by-step explanation:
I need the box plot to do the problem
Select the procedure that can be used to show the converse of the
Pythagorean theorem using side lengths chosen from 5 cm, 9 cm, 12 cm, and
15 cm.
O A. Knowing that 92 + 122 + 152draw the 5 cm side and the 9 cm side
with a right angle between them. The 15 cm side will fit to form a
right triangle
B. Knowing that 52 + 92 < 122 draw the 5 cm side and the 9 cm side
with a right angle between them. The 12 cm side will fit to form a
right triangle
C. Knowing that 92 + 122 = 152, draw the 9 cm side and the 12 cm
side with a right angle between them. The 15 cm side will fit to
form a right triangle.
D. Knowing that 92 + 122 = 1), draw any two of the sides with a right
angle between them. The third side will fit to form a right triangle.
Answer:it is C
Step-by-step explanation:
Can someone please help me I’m desperateeeee
Answer:
1) are equal (congruent), are opposite from each other
2) (11y-36)= 63.
3) Add 36 to both sides.
11y = 99. Divide both sides by 11.
Y = 9
4) Next to each other, No numerical relationship
Step-by-step explanation:
If you answer this you will get 69 points but please answer asap
Answer:
I think the answer for the first one is 3 I am not sure about the second one
PLESSS PLESS PLESSSSSSS I BEG OF YOU TEACH ME HOW TO DO THISSSS I BEGG I WILL GIVE BRAINYLIST TO ANYONE WHO ANSWERS PLESS I CRY FOR YOU HELP AND BEGGG TOO
Answer:
x=6.54
Step-by-step explanation:
Start off by cross multiplying what you are given ;)
6*109=654
Since you are solving for the missing variable x divide 654/100
The final answer will be 6.54
Hope this helps if not just reply so I can better explain
three consecutive odd integers add up to -3
Answer:
The investors are: -3, -1 and 1
Step-by-step explanation:
Given
Three consecutive odd numbers
[tex]Sum = -3[/tex]
Required: Determine the odd numbers
Let the smallest be x. So, the other 2 are: x + 2 and x + 4.
The sum is then:
[tex]Sum = x + x + 2 + x +4[/tex]
[tex]Sum = 3x +6[/tex]
[tex]3x +6 = -3[/tex]
Collect Like Terms
[tex]3x = -3-6[/tex]
[tex]3x = -9[/tex]
[tex]x=-3[/tex]
The other two are:
[tex]x + 2 = -3 + 2 = -1[/tex]
[tex]x + 4 = -3 + 4 = 1[/tex]
Hence, the investors are: -3, -1 and 1
The blue shaded area of the graph described what about this function shown in the picture?
Answer:
the answer is c. constant interval
The solution of f (x) = -3 (2)^x and g(x) =x-14 is x = ____
a. vertical angles
b. complementary angle
c. supplementary angle
d. none of the above
Answer:
C) supplementary angles
Step-by-step explanation:
C) supplementary angles
They add up to 180.