Answer:
[tex]P(X=35) =0.2\%[/tex]
Step-by-step explanation:
From the question we are told that
Sample space n = 150
Sample percentage p = 0.15
Generally people without the disease in the set is give as X
[tex]X= 1-p[/tex]
[tex]X= 0.85[/tex]
35 have kidney disease,
[tex]P(X=35) = C(150,35)*(0.15)^35*(0.85)^115[/tex]
[tex]P(X=35) = 0.0021[/tex]
[tex]P(X=35) =0.2\%[/tex]
Hi, Can someone pls help me with this Pythagorean theorem problem.....I really need to pass it as soon as possible, i need the solution and solvings to it but it's too difficult for me, i remember the teacher saying we need to find ABD but i'm not sure. please100× help me.
Answer:
AB=13cm(h)
AD=10-3=7cm(b)
DB=?(p)
now, using Pythagoras theorem
h²=p²+b²
hope it helps.
U
Question 21
1 pts
What is the name of the property of equality or congruence that justifies going from the
first statement to the second statement?
ARTY
TY AR
Transitive Property of Equality
Symmetric Property of Equality
Subtraction Property of Equality
Reflexive Property of Equality
Answer:
The property used is Symmetric property of Equality.
Option B is correct option.
Step-by-step explanation:
We are given :
[tex]AR \cong TY\\[/tex]
Which property will give the step:
[tex]TY \cong AR\\[/tex]
Looking at the options:
We see that Symmetric property states that if a = b then b= a
Same is the case with the question.
We have :
[tex]AR \cong TY\\\\TY \cong AR\\[/tex]
If a = AR and b = TY
then the property is: a = b, b=a
So, the property used is Symmetric property of Equality.
Option B is correct option.
Hi, how to do question 10:)?
Step-by-step explanation:
For the cubic function to be an increasing function, dy/dx > 0 for all real values of x.
dy/dx
= d/dx [4x³ + 4px² + 16x - 9]
= 12x² + 8px + 16.
We have 12x² + 8px + 16 > 0.
=> 3x² + 2px + 4 > 0,
where a = 3, b = 2p and c = 4.
For the quadratic function to have a range that is always positive, the discriminant must be less than 0.
(in order to have no real roots)
We have b² - 4ac < 0.
=> (2p)² - 4(3)(4) < 0
=> 4p² - 48 < 0
=> p² - 12 < 0
=> p² < 12
=> -√12 < p < √12
=> -2√3 < p < 2√3.
That was a very long process but hopefully you understand all of it!
help plzz:))))))))))
Answer:
45
Step-by-step explanation:
PQ = 45 units
What is y = 1/4x + 4 written in standard form?
Answer:
1x+ -4y= -16
Step-by-step explanation:
y= 1/4x + 4
subtract 1/4x from both sides
-1/4x + y= 4
multiply both sides by -4
1x -4y= -16
Write the following decimals in order from smallest to largest:
0.021, 0.12, 0.2, 0.02
PLEASE HELP ME !!
A line goes through the point (0, -7) with a slope of -4.
If you write the equation in standard form, what is the coefficient of x?
Answer:
[tex]\huge\boxed{\sf The\ co-efficient\ of\ x\ is\ -4.}[/tex]
Step-by-step explanation:
Slope = m = -4
Y-intercept = c = -7 ( Because that is the point where x = 0 )
Equation:
[tex]\sf y = mx+c\\\\y = -4 x+(-7)\\\\y = -4x-7[/tex]
So, The co-efficient of x is -4.
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!
~AH1807HELPPP!!!!!
A system of equations is given below:
x + 2y = 7
-3x + 4y = 9
Nicole says she would multiply the first equation by 3 and add the two equations together to eliminate the x's. Michael says he would multiply the first equation by 2 and add the two equations to eliminate the y's.
Who is correct? and explain why.
Answer:
Nicole is correct
Step-by-step explanation:
by multiplying the first equation by 3 it becomes:
3x + 6y =21
this can cancel the -3x in the second equation when adding them together
Answer:
Nicole is correct, since when she multiplied by 3, she cleared the x's, since one x was already negative, and the other one was positive. Michael is incorrect since when he multiplied by 2, he didn't realize that both y's were positive, so they didn't clear.
Step-by-step explanation:
Let's see what will happen if we do what Nicole says:
x+2y=7
-3x+4y=9
multiply the first equation by 3 on both sides
3(x+2y)=7(3)
3x+6y=21
-3x+4y=9
now let's add them.
10y=30
We can see that the x's are cleared, since one x is positive and the other is negative.
Now let's try what Michael says.
x+2y=7
-3x+4y=9
multiply first equation by 2
2(x+2y)=7
2x+4y=7
-3x+4y=9
now let's add
-x+8y=16
the y's aren't eliminated, since both of them are positive.
Nicole is correct, since one x is positive and another was negative, and when opposite numbers are added together, they cancel out and equal zero.
Hope this helps!
Find the explicit formula for
arithmetic
sequences.
38, 238, 438, 638, ..
Answer:
200n - 162.
Step-by-step explanation:
first trem a1 = 38
common difference d = 200
nth term = a1 + (n-1(d
= 38 + 200(n-1)
= 200n - 162
The explicit formula for arithmetic sequences is 200n - 162.
What is an arithmetic sequence?The sequence in which every next number is the addition of the constant quantity in the series is termed the arithmetic progression.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
The given sequence is 38, 238, 438, 638,
first trem a₁ = 38
Common difference d = 200
nth term = a₁ + (n-1(d
nth term = 38 + 200(n-1)
nth term = 200n - 162
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3 1
5– + 1–
4 3
it’s fractions btw
Answer:
that should be the answer if you don’t have to simplify
Step-by-step explanation:
Answer:
88/15
Step-by-step explanation:
CAN SOMEONE PLS HELP WITH THIS ASAP
Answer:
the second option
Step-by-step explanation:
[tex] \sin(theta) = \frac{opposite}{hypotenuse} [/tex]
[tex] \cos(theta) = \frac{adjacent}{hypotenuse} [/tex]
[tex] \tan(theta) = \frac{opposite}{adjacent} [/tex]
theta = 45°
hypotenuse = 9
opposite = x
find x using the sin formula[tex] \sin(theta) = \frac{opposite}{hypotenuse} [/tex]
[tex] \sin(45) = \frac{x}{9} [/tex]
[tex] \sin(45) \times 9 = x[/tex]
[tex] \frac{9 \sqrt{2} }{2} = x[/tex]
[tex]x = \frac{9 \sqrt{2} }{2} [/tex]
Someone pleaseee help me on this...
Answer:
Looks like 1 to me the first line
Step-by-step explanation:
A wise man once said, "200 reduced by
twice my age is 60." What is his age?
Answer: 42 ?
Step-by-step explanation:
Answer:
70 years old
Step-by-step explanation:
Lets say this man’s age is x
200- 2x= 60
2x=140
x=70
Math practice, help please
Step-by-step explanation:
.........................
Question 1
Alicia is programming computerized robotic arms to cut burlap for the 4th of July placemats.
The placemats are to be rectangular in shape with an area represented by
45x2 - 71% - 150. The width of each placemat is represented by 5x + 6. The expression to
represent the length of each placemat can be determined by the formula,
length = area = width. Which expression can Alicia use in the programming to represent the
length of each placemat?
А
9x - 25
B
9x + 25
C 45x2 - 66x - 144
D 9x2 - 14.2x - 30
Answer:
A
Step-by-step explanation:
The expression for the width of rectangular placemats is (9x - 25) units.
Given that, the area of rectangular placemats=45x²-70x-150.
What is the area of a rectangle?The area of a rectangle (A) is the product of its length 'a' and width or breadth 'b'. So, the area of the rectangle = (a × b) square units.
Now, 45x²-70x-150=(5x + 6)×b
⇒b=45x²-75x-150/(5x + 6)
⇒b=(5x + 6)(9x - 25)/(5x + 6)
⇒b=(9x - 25)
Therefore, the expression for the width of rectangular placemats is (9x - 25) units.
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help bounds to a degree
Pls help
Show workings
Answer:
2:3
3:2
Step-by-step explanation:
What is the total distance around the coop
The answer is 20 meters.
Identify an expression for the height of a rectangle whose area is represented by 3x3 − x2 − 6x − 8, and whose base is represented by x − 2.
Answer:
3x^2 + 5x + 4
Step-by-step explanation:
The expression for the height of the rectangle is found by dividing the expression for the area, 3x3 − x2 − 6x − 8, by the expression for the base, x − 2. Use synthetic division.
Which properties must you use to add or subtract complex numbers?
O associative and identity properties
O associative and distributive properties
O commutative and inverse properties
O commutative and zero product properties
Answer:
commutative and zero product properties
The price of gas in 2020 is $1.90/gallon. What is the percent change of the price of gas if it cost $1.51/gallon in 2000?
Answer:
25.83%
Step-by-step explanation:
EFGH is a parallelogram. Find the measure of EG. parallelogramefghmsidesw7 The measure of EG is .
Answer: EG = 80
Step-by-step explanation: A parallelogram is a quadrilateral with opposite sides parallel to each other.
The diagonals of a parallelogram bisect each other, which means, using the figure as example:
EJ = JG
So, to determine EG, first find w:
[tex]4w+4=2w+22[/tex]
[tex]2w=18[/tex]
w = 9
Substituting:
[tex]EJ=4w+4[/tex]
[tex]EJ=4(9)+4[/tex]
EJ = 40
Since each segment has the same measure:
EG = 2EJ
EG = 2(40)
EG = 80
The measure of EG is 80 units
Help me please if you can!!
Answer:
455.4, So D
Step-by-step explanation:
You need to multiply 37.95 times 12 which gives you 455.4
A forest ranger has data on the heights of a large growth of young pine trees. The mean height is 3.2 feet and the standard deviation 0.6 feet. A histogram shows that the distribution of heights is approximately normal. Approxi mately what fraction of the trees should we expect to be between 4.0 and 4.4 feet tall? A) 2% B) 7 % C ) 9\% D 91% E) 98%
Answer:
The mean height is 3.2 feet and thestandard deviation 0.6 feet. A… ... A forest ranger has data on the heights of a large growth ... mately what fraction of the trees should we expect to be.
The fraction of the trees that is between 4.0 and 4.4 feet is 7%
The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:
[tex]z=\frac{x-\mu}{\sigma}[/tex]
x is the raw score, μ is mean and σ is standard deviation
Given that μ = 3.2, σ = 0.6, hence:
[tex]For\ x = 4:\\\\z=\frac{4-3.2}{0.6} =1.33\\\\\\For\ x = 4.4:\\\\z=\frac{4.4-3.2}{0.6} =2[/tex]
From the normal distribution table, P(4 < x < 4.4) = P(1.33 < z < 2) = P(z < 2) - P(z < 1.33) = 0.9772 - 0.9082 = 7%
The fraction of the trees that is between 4.0 and 4.4 feet is 7%
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The answer of this question is 12 but i am always getting the wrong answer.So please help 60÷3[150÷2{6+3(17-14)}]
Answer:
22500
Step-by-step explanation:
I'm not 100% sure
Given answer is wrong.
This is the solution:
60/3[150/2{6+3(17-14)}]
60/3[150/2{6+3(3)}]
60/3[150/2{6+9}]
60/3[150/2{15}]
60/3[150/30]
60/3[5]
60/15
4
which theorem shows WQD = XRD
Answer:
SAS
Step-by-step explanation:
A rectangle has a length of (2x-7) and a width of (x+5) perimeter
Answer:
6x - 4
Step-by-step explanation:
Perimeter is equal to double the length plus double the width, and if you use this to find perimeter, you would get that the perimeter = 2(2x-7)+2(x+5), which simplifies to 4x - 14 + 2x + 10, which simplifies to 6x - 4. That means that the rectangle's perimeter is 6x-4.
What is a y-axis in the coordinate planes?
Answer:
y axis is the top and bottom line like the straight line abd Example on the coordinate plane ut had two lines one jn the middle and one going across well the one going across is the x axis abs the one going straight is y axis so final answer Y axis us that
(-3p3 + 5p2 – 2p) + (-p3 - 8p2 – 15p)
Find the sum
Answer:
-3p3+ 5p2- 2p -p3 -8p2-15p
-3p3-p3+5p2-8p2-2p-15p
4p3-3p2-17p
Emily and Chelsea each improved their yards by planting hostas and shrubs. They bought their supplies from the same store. Emily spent $132 on 6 hostas and 12 shrubs. Chelsea spent $213 on 14 hostas and 9 shrubs. Find the cost of one hosta and the cost of one shrub.
Answer:
One hosta = $ 12 , One shrub = $ 5
Step-by-step explanation:
Let;
x = hostas
y = shrubs
Emily spent $132 on 6 hostas and 12 shrubs.
6x + 12y = 132 ........................................ (i)
Chelsea spent $213 on 14 hostas and 9 shrubs
14x + 9y = 213 ........................................ (ii)
From (i)
12y = 132 - 6x
y = 11 - 0.5x ........................................ (iii)
substitute (iii) into (ii)
14x + 9 (11 - 0.5x) = 213
14x + 99 - 4.5x = 213
9.5x = 114
x = $ 12
Substitute value of x in (iii)
y = 11 - 0.5(12)
y = 11 - 6 = $ 5