The algebraic expression is: x% * 100
How to translate the expression?The statement is given as:
How much x% of sugar syrup can you make if you have 100 grams of sugar?
The amount of sugar is given as:
100 grams
So, the algebraic expression is:
x% * 100
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Samples of rejuvenated mitochondria are mutated (defective) in 1% of cases. Suppose 18 samples are studied, and they can be considered to be independent for mutation. Determine the following probabilities.(a) No samples are mutated.(b) At most one sample is mutated.(c) More than half the samples are mutated.Round your answers to two decimal places (e.g. 98.76).
Probability that no samples are mutated is 0.83, probability that at most one sample is mutated is 0.9812 and probability that more than half the samples are mutated is 0.
Given percentage of rejuvenated mitochondria defective is 1%, and sample size is 18.
Binomial distribution is the probability of exactly x successes on n repeated trials and X can have two outcomes.
P(X=x)=[tex]C_{n,x} p^{x}(1-p)^{n-x}[/tex]
percentage of defective rejuvendated mitochondria=1%
p=0.01
Sample size=18
n=18
a) No samples are mutated
This means P(X=0)=[tex]C_{18,0}(0.01)^{0} (0.99)^{18}[/tex]
=0.83
b) At most one sample is mutated.
P(X<=1)=P(X=0)+P(X=1)
so,
P(X=0)=[tex]C_{18,0} (0.01)^{0} (0.99)^{18}[/tex]
=0.83
P(X=1)=[tex]C_{18,1}(0.01)^{1} (0.99)^{17}[/tex]=
=0.1512
P(X<=1)=0.83+0.1512
=0.9812
c) More than half the samples are mutated.
P(X>9)=P(X=10)+P(X=11)+P(X=12)+P(X=13)+P(X=14)+P(X=15)+P(X=16)+P(X=17)+P(X=18)
Using two decimals digits precision all will be 0.
Hence Probability that no samples are mutated is 0.83, probability that at most one sample is mutated is 0.9812 and probability that more than half the samples are mutated is 0.
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The table represents an exponential function
X123
1648366
4
y
9
What is the multiplicative rate of change of the
function?
of
0 0 00
ON W/NW/
02
The multiplicative rate is 9 if the table that shows an exponential function option fourth is correct.
What is an exponential function?It is defined as the function that rapidly increases and the value of the exponential function is always positive. It denotes with exponent y = a^x
where a is a constant and a>1
We have a table that shows an exponential function.
As we know the exponential function:
y = a(b)ˣ
Plug x = 1, y = 6
6 = ab ...1
Plug x = 2, y = 4
4 = ab² ...2
Divide equations 1 and 2
ab²/ab = 4/6
b = 2/3
Plug the value of b in the 1 equation.
a(2/3) = 6
a = 9
y = 9(2/3)×
The multiplicative rate = 9
Thus, the multiplicative rate is 9 if the table that shows an exponential function option fourth is correct.
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Calculate the perimeter of this shape.
Answer:
58cm
Step-by-step explanation:
in the simple way the shape is a rectangle so some of the sizes are equal will be added since the perimeter is the distance around it
Which value is included in the solution set for the inequality graphed on the number line? A number line going from negative 4 to positive 4. An open circle is at negative 2. Everything to the left of the circle is shaded.
The value included in the solution to the given inequality is:
x = -5.
What is the inequality that models this situation?Everything to the left of the circle at x = -2 is shaded, that is, all values less than x = -2, hence the inequality is:
x < -2.
Researching the problem on the internet, the options for the values that belong to the solution are:
-5, -2, 0, 3.
Due to the open circle, -2 is not in the inequality, 0 and 3 are greater than -2, hence they are not in the inequality, then the value included in the solution to the given inequality is:
x = -5.
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Triangle Z W X is shown. Angle Z W X is a right angle. An altitude is drawn from point W to point Y on side Z X to form a right angle. The length of W X is b, the length of X Y is a, the length of Y Z is 5, and the length of W Y is 6.
What is the approximate value of b, rounded to the nearest tenth?
7.2 units
7.8 units
8.6 units
9.4 units
The approximate value of b in the triangle is D. 9.4 units.
How to calculate the value?From the information, it should be noted that WZY and XWY are similar triangle.
The corresponding ratio will be:
XW/WZ = XY/WY = WY/ZY
The calculation of WZ using Pythagoras will be 7.81.
This will be substituted into the ratio.
b/7.81 = 6/5
5b = 46.86
b = 9.4 units.
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Urgent! I really need help
Answer:
58.0°
Step-by-step explanation:
The mnemonic SOH CAH TOA is intended to remind you of the relationships between sides of a right triangle and trig functions of the acute angles.
ApplicationHere, the hypotenuse of the triangle is given (17 cm), as is the side adjacent to angle x (9 cm). This suggests using the relation ...
Cos = Adjacent/Hypotenuse
cos(x) = (9 cm)/(17 cm) = 9/17
The angle for this cosine value is found using the inverse trig function.
x = arccos(9/17)
x ≈ 58.034°
Rounded to the nearest tenth, the angle is ...
x = 58.0°
__
Additional comment
Of course, the angle y is the complement of this:
y = 32.0°
Duane rode his bike at 14 miles per hour for 3 hours, then put the bike down and began walking at miles 2 per hour. Elizabeth started jogging at 5 miles per hour along the same path at the same time that Duane started biking. When she reached the bike, she began riding it at 10 miles per hour. How many hours will it have been since they started when Elizabeth catches up to Duane
Elizabeth will take 9 hours and 45 minutes to catch up with Duane using the given speed-distance-time values.
The speed-distance-time relations are:
Speed = Distance/Time, Distance = Speed*Time, and Time = Distance/Speed.
The distance traveled by Duane on the bike at 14 miles per hour for 3 hours = 14*3 miles = 42 miles.
The time that Elizabeth takes to cover 42 miles jogging at 5 miles per hour = 42/5 hours = 8.4 hours.
The distance traveled by Duane in the extra time which Elizabeth took to reach his bike (8.4 - 3 = 5.4 hours) walking at 2 miles per hour = 2*5.4 = 10.8 miles.
Now, the distance between Elizabeth and Duane is 10.8 miles, before Elizabeth starts riding the bike.
Keeping the distance constant, we calculate the relative speed to calculate the time to cover this distance.
Relative speed = Elizabeth's speed - Duane's speed {As Elizabeth is moving towards Duane, that is, covering the distance but Duane is moving away from Elizabeth, that is, increasing the distance}.
or, Relative speed = 10 - 2 = 8 miles per hour.
Time taken to cover the distance = 10.8/8 = 1.35 hours.
Therefore, the total time taken by Elizabeth to catch up with Duane = 8.4 + 1.35 hours = 9.75 hours or 9 hours and 45 minutes.
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What is the equation of the line that passes through the point (3, -1) and is perpendicular to the equation y = -3x + 2? A. y=-3x+8
B. y = -3x
C. y=(1/3)x
D. Y =(1/3)x-2
Answer:
A) y = –3x+8
Step-by-step explanation:
first off, a negative equation means the graph is downward sloping from left to right –> \. So with this in mind you can immediately eliminate C and D because they are upward sloping graphs. B also doesn't work because it doesn't go through (3,–1). This leaves A as the right answer
the constant number is the number on the y-axis. So, for –3x+2, +2 is the y-coordinate on the y-axis. the slope is -3x meaning down 3, right 1. –3x+8 is the only answer that is perpendicular.
una fracción de reducción a su mínima expresión en igual a 1/8. si la suma de sus terminos es 72. hallar la diferencia entre ellos
Por lo tanto el número es p/q = 8/64.
¿Qué es una fracción?Fracción es un número que se puede representar en forma de p/q, donde q no es igual a cero.
It is given that
En su forma más simple, el número es 1/8
Sea el número p/q
p + q = 72 (dado)
p/q = 1/8
q = 8p
p+8p = 72
9p = 72
p = 8
q = 8p
q = 8 * 8 = 64
Por lo tanto el número es p/q = 8/64.
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A cupcake recipe calls for 1/6 cups of milk, and you have
7/8 cups of milk in the
refrigerator. How many cups of milk will you have remaining after baking the
cupcakes?
if y= 2x-3 were chnged to y=2x+5 how would the graph of the new function compare with the original
The new function moved up by 8 units from the original.
The only difference in the functions is the y-intercept. The slope remained the same ([tex]2[/tex]), but the y-intercept went up by 8, meaning the function moved up 8 units.
See the attached image for a graph of both functions. The new function is the solid blue line.
Solve the following proportion by cross multiplying:
( x - 3 ) / 4 = ( 2x + 2 ) / 6
Answer:
- 13
Step-by-step explanation:
Solving
[tex] \frac{(x - 3)}{4} = \frac{(2x + 2)}{6} \\ \\ cross \: multiplying \\ 6 \times (x - 3) = 4 \times (2x + 2) \\ 6x - 18 = 8x + 8 \\ 6x - 8x = 8 + 18 \\ - 2x = 26 \\ dividing \: bothsides \: by \: - 2 \\ \frac{ - 2x}{ - 2} = \frac{26}{ - 2} \\ x = - 13[/tex]
[tex] \implies \: \sf{ \dfrac{x \: - \: 3}{4} \: = \: \dfrac{2x \: + \: 2}{6} } \\ \\ \implies \: \sf{6( x \: - \: 3) \: = \:4(2x \: + \: 2)} \: \\ \\ \implies \: \sf{6 \times ( x \: - \: 3) \: = \: (2x \: + \: 2)}\\ \\ \implies \: \sf{6x \: - \: 18 \: = \:8x \: + \: 8}\\ \\ \implies \sf{6x \: - \: 8x \: = \:18\: + \: 8}\\ \\ \implies \sf{ - 2x \: = \:18\: + \: 8}\\ \\ \implies \sf{ - 2x \: = \: 26}\\ \\ \implies \sf{ - x \: = \: \dfrac{26}{2} }\\ \\ \implies \sf{ - x \: = \: \cancel{\dfrac{26}{2} }}\\ \\ \implies \sf{ - x \: = \: 13}\\ \\ \implies \red{\bf{ x \: = \: - 13}}[/tex]
If the side lengths of a polygon are: 4x, 6x, 12, and 18 what is the value of x if the perimeter is 118?
The value of x for given polynomial is 8.8.
What is Polygon?The definition of a polygon is given as a closed two-dimensional figure with three or more straight lines.
Here, the length of sides of given Polygon are:
4x, 6x, 12, 18
Perimeter of polygon = 118 units.
We know that,
Perimeter of polygon = Sum of all sides
118 = 4x + 6x + 12 + 18
118 = 10x + 30
118 - 30 = 10x
10x = 88
x = 88/10
x = 8.8
Thus, the value of x for given polygon is 8.8.
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Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options. x < 5 –6x – 5 < 10 – x –6x + 15 < 10 – 5x A number line from negative 3 to 3 in increments of 1. An open circle is at 5 and a bold line starts at 5 and is pointing to the right. A number line from negative 3 to 3 in increments of 1. An open circle is at negative 5 and a bold line starts at negative 5 and is pointing to the left.
The correct representation of the inequality –3(2x – 5) < 5(2 – x) is -6x + 15 < 10 - 5x. It an open circle is at 5 and a bold line starts at 5 and is pointing to the right.
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Given the inequality:
–3(2x – 5) < 5(2 – x)
= -6x + 15 < 10 - 5x
= -x < -5
= x > 5
The correct representation of the inequality –3(2x – 5) < 5(2 – x) is -6x + 15 < 10 - 5x. It an open circle is at 5 and a bold line starts at 5 and is pointing to the right.
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Answer: The correct representation of the inequality –3(2x – 5) < 5(2 – x) is -6x + 15 < 10 - 5x. It an open circle is at 5 and a bold line starts at 5 and is pointing to the right. What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.Given the inequality:–3(2x – 5) < 5(2 – x)= -6x + 15 < 10 - 5x= -x < -5= x > 5The correct representation of the inequality –3(2x – 5) < 5(2 – x) is -6x + 15 < 10 - 5x. It an open circle is at 5 and a bold line starts at 5 and is pointing to the right.
Step-by-step explanation:
Two poles have a height of 9 m and 2 m, respectively. A
string is used to connect the poles. If the poles are 24 m
apart, what is the minimum length of the string?
Answer:
25
Step-by-step explanation:
The point P(x, y) is on the terminal ray of angle Theta. If Theta is between Pi radians and StartFraction 3 pi Over 2 EndFraction radians and = Negative five-halves, what are the coordinates of P(x, y)?
P(Negative StartRoot 21 EndRoot, –2)
P (StartRoot 21 EndRoot, –2)
P(–2, StartRoot 21 EndRoot)
P(–2, Negative StartRoot 21 EndRoot)
The coordinates of P(x, y) is: A. P(Negative StartRoot 21 EndRoot, –2)
Coordinates of P(x, y)Given:
Radians=3π/2
theta=-5/2
Hence:
Hypotenuse = - 5
Altitude = 2
Using Pythagorean theorem
Hypotenuse² = Altitude² + Base²
-5²= 2² + Base²
25 ² - 4 ² = Base²
Base = √21
Thus P(x,y) :
= P(-√21 : -2)
Therefore the correct option is A.
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look at image...........
Answer:
Step-by-step explanation:
2x + 3y = 6
y = x/3 - 3
Since the second equation is already solved for y, we can easily use the substitution method.
Substitute y in the first equation with x/3 - 3
2x + 3(x/3 - 3) = 6
2x + x - 9 = 6
3x = 15
x = 5
Now use the second equation, and x = 5, to solve for y.
y = x/3 - 3
y = 5/3 - 3 = 5/3 - 9/3
y = -4/3
Answer: (5, -4/3)
Answer:
your answer would be B
Step-by-step explanation:
please answer with everything needed i appreciate everyones help
Step-by-step explanation:
d = price of 1 drink
s = price of 1 sandwich
3d + 5s = 25.05
4d + 2s = 13.8
we can do this by combining both equations so that they is only one variable left.
e.g. multiply equation 1 by 4 and equation 2 by 3, and then subtract equation 2 from equation 1 :
12d + 20s = 100.2
- 12d + 6s = 41.4
------------------------------
0 14s = 58.8
s = 58.8/14 = $4.20
3d + 5s = 25.05
3d + 5×4.2 = 25.05
3d + 21 = 25.05
3d = 4.05
d = 4.05/3 = $1.35
so, each drink costs $1.35.
Helen got a 7% reduction in the price of a pair jeans that are normally $32. What is the approximate percent in the price?
A percentage is a way to describe a part of a whole. The approximate percent decrease in the price is 21.87%, thus, the correct option is B.
What are Percentages?A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.
To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.
Given the reduction in the price is $7, while the original cost is $32. Therefore, the approximate percent decrease in the price is,
Percentage decrease = 7/32 × 100%
= 21.87%
Hence, the approximate percent decrease in the price is 21.87%, thus, the correct option is B.
The correct question is:
Helen got a $7 reduction in the price of a pair of jeans that are normally $32. What is the approximate percent decrease in the price?
The percent decrease is approximately 15%.
The percent decrease is approximately 21%.
The percent decrease is approximately 43%.
The percent decrease is approximately 78%
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In 1996, the price of a rare stamp inclusive of 3% GST was $3500. In 2010, the price of the same stamp
inclusive of 7% GST was 225% higher than that in 1996. Find
(a) the price of the stamp inclusive of GST in 2010,
(b) the amount of GST on the stamp in 2010,
(c) the percentage increase in amount of GST on the stamp from 1996 to 2010.
Based on the price of the stamp in 1996, and the increase in 2010, the following are true:
a. price in 2010 = $7,875.b. amount of GST on the stamp in 2010 = $515.19c. percentage increase in GST from 1996 to 2010 = 405%.How much has the price of the stamp changed in 2010?The price in 2010 was:
= 3,500 x 225/100
= $7,875
The GST in 2010 is:
= (7,875 / 1.07) x 7%
= $515.19
The GST in 1996 is:
= (3,500 / 1.03) x 3%
= $101.94
The increase in the GMT is:
= (515.19 - 101.94) / 101.94
= 405%
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Please help me solve this.
Answer:
I think that is a FORMULA.it can't be solved if we don't know the values of atleast one of the x and y.
Hope this helps.
Good luck ✅.
The circumference of a circle is ________
A.The distance around the circle
B.The length of the radius
C.The length of the diameter
D.2 pi
Answer:
2 22/7 ×r
..
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...
...
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On a coordinate plane, quadrilateral J K L M with diagonals is shown. Point J is at (4, 5), point K is at (5, 1), point L is at (1, 2), and point M is at (1, 5).
Which statement proves that quadrilateral JKLM is a kite?
∠M is a right angle and MK bisects ∠LMJ.
LM = JM = 3 and JK = LK = StartRoot 17 EndRoot.
MK intersects LJ at its midpoint.
The slope of MK is –1 and the slope of LJ is 1.
Answer:
MK intersect LJ at midpoint that's my opinion
Answer:
B. LM = JM = 3 and JK = LK = √17.
Step-by-step explanation:
∠M is a right angle and MK bisects ∠LMJ.
LM = JM = 3 and JK = LK = StartRoot 17 EndRoot.
MK intersects LJ at its midpoint.
The slope of MK is –1 and the slope of LJ is 1.
2. State the domain and range of the relation shown. Is the relation a function?
Y=3x+1
Answer:
Domain: [tex](-\infty, \infty)[/tex]Range: [tex](-\infty, \infty)[/tex]The relation is a function.Step-by-step explanation:
The domain and range of all linear functions is the set of real numbers.
Please assist me on this question please
Answer:
12 units
Step-by-step explanation:
x is to 16 as 9 is to x
x/16 = 9/x cross multiply
x^2 = 144
x =12
Please answer with everything needed i appreciate everyones help:)
Answer:
Hey there....
Step-by-step explanation:5
This is ur answer....
Expression : -x + 5Working :-
x = Unknown number
x + 5 = Sum of the number and Five
x + 5 - 2x = Previous sum decreased by the the twice of the unknown number.
-x + 5 = combine the terms
•••••••••••••••••••••••••••••••••••••••••••••••••••••••••
Hope it helps!
Brainliest pls!
Have a good day!^^
Step-by-step explanation:
x is the number.
(x + 5) - 2x : the sum of the number and 5 decreased by twice the number.
or simplified without the brackets
x + 5 - 2x = 5 - x
it is not clear if you need the general expression showing both conditions (the first up there), or the then simplified result
5 - x
The table shows ordered pairs of the function y = 16 + 0.5x .
A 2-column table with 6 rows. The first column is labeled x with entries negative 4, negative 2, 0
The missing values represented by x and y are 8 and 20, that is
(x, y) = (8, 20)
The function y = 16 + 0.5x is a linear equation that can be solved graphically. This means the values of both variables x and y can be found on different points along the straight-line graph.
The ordered pairs simply mean for every value of x, there is a corresponding value of y.
The 2-column table has values for x and y which all satisfy the equation y = 16 + 0.5x. Taking the first row, for example, the pair is given as (-4, 14).
This means when x equals negative 4, y equals 14.
Where y = 16 + 0.5x
y = 16 + 0.5(-4)
y = 16 + (-2)
y = 16 - 2
y = 14
Therefore the first pair, just like the other four pairs all satisfy the equation.
Hence, looking at the options given, we can determine which satisfies the equation
(option 1) When x = 0
y = 16 + 0.5(0)
y = 16 + 0
y = 16
(0, 16)
(option 2) When x = 5
y = 16 + 0.5(5)
y = 16 + 2.5
y = 18.5
(5, 18.5)
(option 3) When x = 8
y = 16 + 0.5(8)
y = 16 + 4
y = 20
(8, 20)
From our calculations, the third option (8, 20) is the correct ordered pair that would fill in the missing values x and y.
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Which of the following are solutions to the equation below?
Check all that apply.
9x² - 6x + 1 = 7
☐ A. x = -√7 +1
3
B. X=
=
C. x=
☐ D. x=
= 2√2
2√2
3
☐ E. X=
-√7
3
☐ F. x =
<=
X= √²+1
3
+1
+1
Step-by-step explanation:
therefore A is the correct answer
Find the value of x.
The value of 'x' is 25.00
How to determine the value of xThe given figure is a triangle
To find the value of 'x', first find the value of the other side
Using
Hypotenuse square = opposite square + adjacent square
16^2 = 10^2 + y^2
256 = 100 + y^2
Make y subject of formula
y = √ 256- 100
y = √ 156
y= 12. 49
To find 'x'
28^2 = x^2 + 12.59^2
784 = x^2 + 158. 51
x^2 = 784 - 158. 51
x^2 = 625. 49
x =√ 625. 49
x = 25.00
Thus, the value of 'x' is 25.00
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If the base area of the square pyramid below is 96 ft² and the height is 8 ft, what is the volume?
Answer:
256 ft^3
Step-by-step explanation:
Volume of pyramid = 1/3 base area * height
= 1/3 96 ft^2 * 8 ft = 256 ft^3