Answer:
The sunflower is 28 inches tall after 9 weeks
The sunflower is 2w + 10 tall after w weeks
Step-by-step explanation:
We know
The sunflower was 10 inches tall, growing at a rate of 2 inches per week. Let's T represent the tall of the sunflower; we have the equation
t = 2w + 10
How tall would the sunflower be after 9 weeks?
t = 2(9) + 10
t = 28 inches
How tall would the sunflower be after w weeks?
t = 2(w) + 10
t = 2w + 10
So,
The sunflower is 28 inches tall after 9 weeks
The sunflower is 2w + 10 tall after w weeks
At LaGuardia Airport for a certain nightly flight, the probability that it will rain is 0.11 and the probability that the flight will be delayed is 0.14. The probability that it will not rain and the flight will leave on time is 0.82. What is the probability that it is raining if the flight has been delayed? Round your answer to the nearest thousandth.
The probability that the flight would be delayed when it is not raining is 12.46%.
What is probability?Probability is a branch of math which deals with finding out the likelihood of the occurrence of an event. Probability measures the chance of an event happening and is equal to the number of favorable events divided by the total number of events. The value of probability ranges between 0 and 1, where 0 denotes uncertainty and 1 denotes certainty.
To determine what is the probability that the flight would be delayed when it is not raining, the following calculation must be performed:
Probability that it will not rain = 1 - probability that it will rain
X = 1 - 0.11
X = 0.89
Probability that the flight would be delayed when it is not raining = probability that it is not raining x probability that the flight will be delayed
X = 0.89 x 0.14
X = 0.1246
0.1246 x 100 = 12.46
Therefore, the probability that the flight would be delayed when it is not raining is 12.46%.
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Which graphs represents a function?
Answer: The one below the top.
Step-by-step explanation: In order to tell if it is a function or not, you need to do the vertical line test. By examining the graph you can see that majority of the graphs has two points in the same x-axis. The only one that pasts the test is the graph below the top one.
Answer: The second one is because there can't be two y's in a straight line of a function and all of the other graphs have two y's in a line.
Step-by-step explanation:
Complete.
18 in = ____ ft
Answer:
1 foot 6 inches
Step-by-step explanation:
divide the length value by 12. Hope this helps.
what is greater 5/7 or 5/8
Answer:
5/8 is greater than 5/7. 5/8 is 0.625, while 5/7 is 0.714.
Step-by-step explanation:
5/8 is greater than 5/7. 5/8 is 0.625, while 5/7 is 0.714.
Answer:
5/7
What is a fraction?A fraction is a fragment of a whole number, used to define parts of a whole. The whole can be a whole object, or many different objects. The number at the top of the line is called the numerator, whereas the bottom is called the denominator.
If we think about 5/7, we can relate this to a circle split into 7 parts, with 5 shaded in.
You can do the same for 5/8. Think of a circle with 8 parts, and 5 shaded in.
A way to figure out which is bigger is to find a common denominator between the two.
A common denominator is two fractions with the same denominator (Hence the name). Solving for a common denominator can be done with cross multiplication.
5/7 = 40/56
5/8 = 35/56
We can visibly see, that 40/56 (5/7) is bigger, therefore making 5/7 the greater fraction.
A regular tetrahedron is a pyramid with four faces, each of which is an equilateral triangle. Let $ABCD$ be a regular tetrahedron and let $P$ be the unique point equidistant from points $A,B,C,D$. Extend $\overrightarrow{AP}$ to hit face $BCD$ at point $Q$. What is the ratio $PQ/AQ$
On solving the provided question, we can say that the unique point equidistant from points in tetrahedron are PQ/AQ = 3/8
what is tetrahedron?A polyhedron with four triangular faces, six straight edges, and four vertex corners is known as a tetrahedron in geometry, also known as a triangle pyramid. The only regular convex polyhedron with fewer than five faces is the tetrahedron, which is also the simplest of them all. Tetrahedra make up the pyramid at the bottom of the triangle. It is a tetrahedron if it has four faces that are triangular in shape. Regular tetrahedrons are those that have isosceles triangles for their faces and equilateral triangles for their bases. with four sides, a polyhedron
here,
the unique point equidistant from points
PQ/AQ = 3/8
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What are the 4 types of roots?
The four types of roots are: square roots, cube roots, fourth roots and nth roots, where n is any positive integer greater than 1.
The four types of roots are square roots, cube roots, fourth roots and nth roots. Square roots are the inverse of a number multiplied by itself. For example, the square root of 25 is 5, because 5 multiplied by 5 equals 25. Cube roots are the inverse of a number multiplied by itself twice. For example, the cube root of 27 is 3, because 3 multiplied by 3 multiplied by 3 equals 27. Fourth roots are the inverse of a number multiplied by itself three times. For example, the fourth root of 256 is 4, because 4 multiplied by 4 multiplied by 4 multiplied by 4 equals 256. Nth roots are the inverse of a number multiplied by itself n times. N is any positive integer greater than 1. For example, the fifth root of 243 is 3, because 3 multiplied by 3 multiplied by 3 multiplied by 3 multiplied by 3 equals 243.
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NM is the median of trapezoid ABCD. If [ABMN]=8, and [NMCD]=20, what is CD/AB?
The ratio of the lengths of the parallel sides of the trapezoid CD/AB = 13
What is a trapezoid?A trapezoid is a quadrilateral that has a pair of parallel sides.
The median line of a trapezoid is the line joining the midpoint of the non parallel sides of a trapezoid
The parallel sides of the trapezoid are; AB and CD
The area of trapezoid ABMN = 8
Area of trapezoid NMCD = 20
The ratio of the lengths of the parallel sides, CD/AB is found as follows;
The length of the median, MN = (1/2) × (AB + CD)
Area of a trapezoid = (The sum of the length of the parallel sides) × (The distance between the parallel sides) ÷ 2
Area of the trapezoid ABCD = [ABMN] + [NMCD]
[ABCD] = 8 + 20 = 28
Area of trapezoid [ABCD] = NM × h = 28
The height of trapezoid ABNM = h/2
Height of trapezoid NMCD = h/2
[ABNM] = ((AB + NM)/2) × (h/2)
[ABNM] = ((AB × h + NM × h)/4) = ((AB × h +28)/4) = 8
(AB × h + 28) = 4 × 8 = 32
AB × h = 32 - 28 = 4
AB × h = 4
[NMCD] = (NM + CD)/2 × (h/2)
[NMCD] = (NM × h + CD × h)/4 = (28 + CD × h)/4 = 20
CD × h = 20 × 4 - 28 = 52
CD × h = 59
(CD × h)/(AB × h) = 52/4 = 13
CD/AB = 13
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Solve for X, Leave in simplest radical form.
Hope it helps.
If you have any query, feel free to ask.
Becky has 14 pints of pudding. How many cups of pudding does she have?
Answer:
28 cups
Step-by-step explanation:
[tex]\frac{2}{1}[/tex] = [tex]\frac{x}{14}[/tex]
1 x 14 = 14, so 2 x 14 = 28
Okay so like yeah can u help me
Answer:
1.2
Step-by-step explanation:
[tex]\frac{v}{5}[/tex] = [tex]\frac{3}{13}[/tex] Cross multiply and solve for v
13v = 15 Divide both sides by 13
[tex]\frac{13v}{13}[/tex] = [tex]\frac{15}{13}[/tex]
v = 1.2 rounded to the nearest tenth
Why this works
[tex]\frac{v}{5}[/tex] = [tex]\frac{3}{13}[/tex] we can clear the fraction by multiplying both sides of the equal sign by (5·13)
[tex]\frac{(5x13)}{1}[/tex] · [tex]\frac{v}{5}[/tex] = [tex]\frac{(5x13)}{1}[/tex] ·[tex]\frac{3}{13}[/tex] On the left of the equal sign the 5's cancel out and the on the right of the equal sign the 13's cancel out.
13v = 5(3)
13v = 15
TRUE/FALSE. When algebraic, or numerical fractions are added or subtracted, the result is a single fraction.'
The statement that when algebraic or numerical fractions are added or subtracted, the result is a single fraction is True.
For addition or subtraction of algebraic or numerical fractions, the denominator has to be the same for all terms in the equation.
For common denominator,
Suppose 2 numerical fractions are being added which have a common denominator: 3/5 + 1/5
The resultant fraction will be 4/5, which is a single fraction
For algebraic fractions, considering the denominators are common, such as 3x/5 + 4x/5 = 7x/5
The result is also a single fraction.
For different denominators,
Suppose 2 numerical fractions are being subtracted which have different denominators such as, 5/9 – 3/7
In this case, the least common multiple for the denominators are calculated: 9*7= 63, and the opposite numerators are multiplied to the opposite denominators
Therefore, (5*7 – 3*9)/63 = (35 – 27)/63 = 8/63, which gives us a single fraction.
The process is same for algebraic fractions, for example,
4x/7 – 3x/5 = (4x*5 – 3x*7)/35 = (20x – 21x)/35 = -x/35, which is also a single fraction.
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What is the area of the figure at the right?
(It's not H)
Answer:
96m2
Step-by-step explanation:
First we have to find the perimeter of parallelogram
Now,
Breadth(b)=10m
Height(h)=6m
Perimeter of paralleogram(p)=b×h
=10×6
=60m
Then,
Breadth(b)=12m
Height(h)=6m
Perimeter of triangle(p)=1×b×h
2
= 1 ×6×12
2
=36m2
Now,
Perimeter of above figure= Perimeter of paralleogram+perimeter of triangle
= 60+36
. =96m2
3x + 3y = 3
\y=-1/x+2
y=-2
y = 0
y = 3
y = 1
Answer: [tex]y=3[/tex]
Step-by-step explanation:
The intersection point of the graphs is the solution. So, you need to find the [tex]y[/tex]-coordinate of the intersection point.
What is fundamental theorem of algebra class 11?
According to the algebraic fundamental theorem, a polynomial equation of degree n has exactly n roots, be they real or imaginary.
Any polynomial of degree n has n roots, which is the fundamental theorem of algebra. Any polynomial has at least one solution, according to this statement. The theorem only reveals how many roots there are, not what the roots of a polynomial are. The theorem merely specifies how many roots there are in a polynomial; understanding what the roots are required knowledge of elementary mathematics. Additionally, it helps with the solution of polynomial equations [tex]x^2-9=0[/tex]. Use the definition of the algebraic fundamental theorem to determine the number of roots in the equation [tex]x^2-9=0[/tex].
Now, Solving above equation
[tex]x^2-9=0[/tex]
[tex](x-3)*(x+3)=0\\x=3,-3[/tex]
As here degree of equation is 2 and root of equation are also 2.
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Given the following point on the unit circle, find the angle, to the nearest tenth of a
degree (if necessary), of the terminal side through that point, 0° ≤ 0 < 360°.
P=
√15
5
√10
5
Answer:
60°
Step-by-step explanation:
To find the angle of the terminal side through a point P on the unit circle, we can use the coordinates of the point. The angle is given by the inverse tangent (atan) of the y-coordinate divided by the x-coordinate.
The point P is given as (√15/5, √10/5)
Using the arctan function we have:
theta = arctan(√10/5/√15/5) = arctan(√2/√3)=atan(√2/√3) = pi/3
The angle theta is in radians, to convert it to degree we multiply it by 180/pi
Theta = (pi/3) * (180/pi) = 60. Therefore, the angle of the terminal side through the point P is 60°.
he angles of a triangle haves measures of 80°, 75°, and (x-12)°. What is the value of x?
Using the triangle sum theorem, the value of x = 37.
How to Apply the Triangle Sum Theorem?The triangle sum theorem states that the sum of the three angles of a triangle is always 180 degrees.
The sum of the angles in a triangle is always 180 degrees, so we can use the triangle sum theorem to find the value of x.
So we can set up the following equation:
80 + 75 + (x - 12) = 180
80 + 75 + x - 12 = 180
Combine like terms:
x + 143 = 180
x = 180 - 143
x = 37
Solving for x, the value of x = 37
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PLS HELP DUE TOMORROW!! PLSS
The shaded region corresponding to all values of x and y that satisfy these requirements is shown the graph
How do we make graph of a function?Suppose the considered function whose graph is to be made is
f(x)
The values of 'x' (also called input variable, or independent variable) are usually plotted on horizontal axis, and the output values
f(x)
are plotted on the vertical axis.
They are together plotted on the point
(x,y) = (x, f(x))
This is why we usually write the functions as:
y = f(x)
Therefore, the graph is given with shaded region
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Graph the line that represents a proportional relationship between ddd and ttt with the property that an increase of 555 units in ttt corresponds to an increase of 222 units in ddd. What is the unit rate of change of ddd with respect to ttt
a) The unit rate of change of d with respect to t is equal to 1.6
b) the graph of the line in the attached figure.
Given: A proportionate relationship between d and t with the characteristic that a rise in t of 5 units causes a rise in d of 8 units.
To locate: A rise of 5 units in t causes a rise of 8 units in d, according to the line's unit rate of change with respect to t.
=> Slope = Δd/Δt = 8/5 = 1.6
the proportional relationship between d and t
=> d ∝ t
=> d = 1.6t
t d=1.6t
0 0
1 1.6
2 3.2
3 4.8
Plot the points and draw a line passing through points.
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I messed up on the last one by like 2 more then I put can someone explain how to do this
Answer:
m∠TQR = 80°------------------------------------
If you add a parallel line through the point Q, then angle TQR will be divided by two angles.
One of them is congruent to ∠STQ and another one is congruent to ∠PRQ as alternate interior angles.
Therefore:
m∠TQR = m∠STQ + m∠PRQ m∠TQR = 45° + 35° m∠TQR = 80°Can anyone help me with the answer. Sorry if it’s hard to see , please just zoom in
Answer:
NOLO
Step-by-step explanation:
A 7x1 board is completely covered by mx1 tiles without overlap; each tile may cover any number of consecutive squares, and each tile lies completely on the board. Each tile is either red, blue, or green. Let N be the number of tilings of the 7x1 board in which all three colors are used at least once. For example, a 1x1 red tile followed by a 2x1 green tile, a 1x1 green tile, a 2x1 blue tile, and a 1x1 green tile is a valid tiling. Note that if the 2x1 blue tile is replaced by two 1x1 blue tiles, this results in a different tiling. Find the remainder when N is divided by 1000.
The remainder when N is divided by 1000 is 106.
What is the Principle of Inclusion-Exclusion?The Principle of Inclusion-Exclusion, often known as PIE, offers a method/formula for organizing information about the size of each set, the number of elements in the union of a given set of sets, and the size of all potential set intersections.
From the question,
First, we think about all the possible divisions of the 7×1 board. Since we require at least one tile of each color, we exclude the cases of just one or two pieces.
Three pieces = 5+1+1 , 4+2+1 , 4+1+2 etc (6C2) = 15 ways
Four pieces = 6C3 = 20
Five pieces = 6C4 = 15
Six pieces = 6C5 = 6
Seven pieces =6C6 = 1
Now, we apply the Principle of Inclusion-Exclusion to consider how many ways to color them:
Three pieces : 3³ - 3 × 2³ + 3 = 6
Four pieces: 3⁴ - 3 × 2⁴ + 3 = 36
Five pieces : 3⁵ - 3 × 2⁵ + 3 = 150
Six pieces : 3⁶ - 3 × 2⁶ + 3 = 540
Seven pieces : 3⁷ - 3 × 2⁷ + 3 = 1806
Adding them together, we get
15×6 + 20×36 + 15×150 + 6×540 + 1×1806 = 8106
Hence, the remainder when it is divided by 1000 is 106.
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Answer:
106
Step-by-step explanation:
A large church has a niche in one wall. On the floor plan it appears as a semicircular indentation of radius 2.60 m. A worshiper stands on the center line of the niche, 1.70 m out from its deepest point, and whispers a prayer. Where is the sound concentrated after reflection from the back wall of the niche
40m is the sound concentrated after reflection from the back wall of the niche.
What in mathematics is a linear equation?
A linear equation is a first-order (linear) term plus a constant in the algebraic form y=mx+b, where m is the slope and b is the y-intercept.
Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.
with radius 2.60m , the cylindrical wall is a highly efficient mirror for sound , with focal length
f = R/2 = 2.60/2 = 1.30
in a vertical plane the sound disperses as usual butthat radiated in a horizontal plane is concentrated in a soundimage at a distance q from the back of niche ,
so 1/p+1/q = 1/f
so 1/1.70 +1/q = 1/1.3
1/q = 1/1.3 - 1/1.70
q = 40m
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june has 27 coins, made up of quarters and dimes. in total, the coins are worth $4.20. how many quarters and how many dimes does she have?
June has 27 coins, made up of quarters and dimes. in total, the coins are worth $4.20. Therefore, there are 10 quarters and 17 dimes she have.
Dime Coin:
A cent is a dime in US parlance, one tenth of the US dollar, and is officially called a "one cent". The name was first authorized by the Money Act of 1792.
The 10-cent coin is the smallest in diameter and the thinnest US coin in circulation, measuring 17.91 mm (0.705 inches) and 1.35 mm (0.053 inches) in diameter thickness. The obverse of the current cent features a profile of President Franklin D. Roosevelt, while the reverse depicts, from left to right, an olive branch, a torch, and an oak branch.
Quarter Coin:
The quarter (short for quarter dollar) is a United States coin denominated in 25 cents (quarter dollar). The obverse of the coin depicts George Washington in profile, and since 1998 the design of the reverse has changed frequently. In continuous production from 1796 to 1831. 955 inches (24.26 mm), 0.069 inches (1.75 mm) thick. The current version consists of two layers of cupronickel (75% copper, 25% nickel) plated on a pure copper core. The overall composition of the coin is 8.33% nickel and 91.67% copper, as the cupronickel layer accounts for 1/3 of the total weight. Its weight is 0.1823 troy ounces or 0.2000 regular Dupo ounces (5,670 grams).
We can consider that:
Let d = the number of dimes
Let q = the number of quarters
Now,
d + q = 27 -------------------------- (1)
⇒ d = 27 - q
⇒ 0.10d + 0.25q = 4.20 -------------------------- (2)
Multiply both sides of this equation by 100 to get rid of the decimal points.
10d + 25q = 420
⇒ 10(27- q) + 25q = 420
⇒ 270 - 10q + 25q = 420
⇒ 15q = 150
⇒ q = 10
Now, Putting the value of q = 10 in equation (1) :
d + 10 = 27
⇒ d = 27 - 10
⇒ d = 17
Therefore, there are 10 quarters and 17 dimes she have.
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help I just want to get this overwith
Answer:
none of the statements are true
Step-by-step explanation:
given the final statement in the solution is
5 = 0 ← not possible
this indicates the system has no solution.
then none of the previous statements are true
8. Two fair (balanced) coins are tossed. What is the probability (in lowest fractional
terms) of two heads?
F. 0
G.1/4
H. ½
J. 2
K. 1
Answer:
G.1/4
Step-by-step explanation:
The probability of getting two heads when two fair coins are tossed is 1/4 or 0.25. This is because for each coin there are two possible outcomes, heads or tails, and the probability of getting heads is 1/2. Therefore, the probability of getting two heads when both coins are tossed is (1/2) * (1/2) = 1/4. So the correct answer is G. 1/4
a scientist is interested in studying rainfall. he records the amount of rain each day for a year. he then makes a histogram of the data. what part of the field of statistics has he performed?
The scientist that made histogram of the data of amount of rainfall he collected each day for a year to study rainfall has performed descriptive statistics.
Descriptive statistics involves organizing, summarizing, and presenting data in a way that makes it easy to understand. Histograms are a common tool used in descriptive statistics. They are used to visualize the distribution of a dataset, by showing the frequency of data points within different ranges or bins. In this case, the scientist has organized the data by showing the frequency of days with different amounts of rainfall over the course of a year.
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How do I do this help me please
Answer: A. p + 3 = 49
B. p = 46
Step-by-step explanation:
A. represents the equation that represents the word problem. In this case, the original number of paintbrushes Kaitlyn had is represented by (p) and Claire gives her 3 more paintbrushes, the total number of paintbrushes she has is 49.
B. represents the original number of paintbrushes Kaitlyn had. To find this, we can simply solve the equation from part A for (p) by isolating it on one side of the equation.
Therefore, Kaitlyn originally had 46 paintbrushes.
(2a−13)÷b15 when a=−25 and b=−8.25
Step-by-step explanation:
Step 1.) Plug in the numbers to each variable
(2(-25) -13) ÷ (-8.25)15
Step 2.) Solve in Parenthesis
(-50-13) ÷ -123.75
= -63÷-123.75
Step 3: Reduce/Solve
=28/55 (Fraction)
or
=0.51 (Decimal Rounded to nearest 10th)
Nikhil and Mae work at the same company. Nikhil has been at the company 4 times as long as Mae. Nikhil's time at the company is 8 more than 2 times Mae's time. The following system of equations models the scenario:
x = 4y
x = 8 + 2y
How many years has each person been employed by the company?
Nikhil has been with the company for 16 years, while Mae has been there for 4 years.
Nikhil has been with the company for 24 years, while Mae has been there for 6 years.
Nikhil has been with the company for 20 years, while Mae has been there for 5 years.
Nikhil has been with the company for 12 years, while Mae has been there for 3 years.
Answer:
1) Nikhil 16 years & Mae 4 years
Step-by-step explanation:
x = 4y {equation 1}
Hence, x - 4y = 0 { equation 2}
x = 8 + 2y {equation 3}
Then, x - 2y = 8 { equation 4}
{equation 4-2}
x -x -2y - ( - 4y) = 8 -0
-2y +4y = 8
2y = 8
2 2
y = 4
By substituting { equation 1}
x = 4y
x = 4 × 4
= 16//
(Deleted Answer)
write the probability statement. (let k represent the score that corresponds to the 80th percentile.)
So, on solving the provided question we can say that by probability we have [tex]256.014[/tex]= sample mean for 80th percentile
What is probability?Probability theory, a subfield of mathematics, gauges the likelihood of an occurrence or a claim being true. An event's probability is a number between 0 and 1, where approximately 0 indicates how unlikely the event is to occur and 1 indicates certainty. A probability is a numerical representation of the likelihood or likelihood that a particular event will occur. Alternative ways to express probabilities are as percentages from 0% to 100% or from 0 to 1. the percentage of occurrences in a complete set of equally likely possibilities that result in a certain occurrence compared to the total number of outcomes.
[tex]P(x < 240)[/tex]
Transform to z score = (sample mean - population mean)/(standard deviation(std)[tex]/sample size^0.5)[/tex]
[tex]P(z < (240-250)/(50/49^0.5)[/tex]
[tex]P(z < -1.4) = 0.0808[/tex]
z-score corresponding to 80th percentile is 0.842
0.842 = (sample mean -[tex]250)/(50/49^0.5)[/tex]
[tex]6.014[/tex] = sample mean - [tex]250[/tex]
[tex]256.014[/tex]= sample mean for 80th percentile
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