the square quilt block shown is used in a larger quilt. the four small squares in the block are congruent, and the four small vertical rectangles in the block that are not squares are also congruent. the total area of the shaded regions is what fraction of the total area of the block? express your answer as a common fraction.
Answers
The total area of the shaded regions in fraction of the total area of the block is 3/8 as the common fraction.
What is common fraction?A common fraction, sometimes known as a common fraction, is a fraction with an integer numerator and denominator. A common fraction may be used to identify a portion of a larger whole or set.
What is the formula for calculating a common fraction?Multiply each component of a fraction by both the denominator of another fraction to find the common denominator. To calculate the common denominator of 1/3 + 2/5, multiply the 1 through 3 by 5 and the 2 and 5 by 3. You should obtain a total of 5/15 + 6/15. The fractions can then be calculated.
According to the given data:Let's divide each square across four equal sections, for a total of 16 sections..
Using symmetry, one of the four portions in the top left square is shaded, and the same is true for the bottom right square.
Furthermore, two of the four squares inside this top right and bottom left corners are darkened.
Consequently,
the shaded area is:
{1 + 1 + 2 + 2}/ 16
6 /16 = 3 / 8
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Related Questions
Which of the following expressions is equal to x2 +25?
O A. (x+10)(x-15)
O B. (x-51)(x+51)
OC.
-512
O D. (x+5)
Will give brainyliest answer
Answers
Answer:
Solution given:
x²+25=???
we have
formula
a²+b²=(a+b)²-2ab or (a-b)²+2ab
so
x²+25 =x²+5²=(x+5)²-2x*5=(x+5)²-10x
or
x²+25=x²+5²=(x-5)²+2x*5=(x-5)²+10x
:.
expressions is equal to x² +25 is
(x-5)²+10x
or
(x+5)²-10x
Zoey has 99 years .She plans to make 5 bangles .Each bangle is made using 30 beads how many more beads does zoey need?
Answers
Note: I am assuming you meant to say:
Zoey has 99 beads instead of 99 years.Answer:
Zoey needs 51 more beads to make 5 bangles.
Step-by-step explanation:
Total number of beads Zoey currently has = 99 beads
Beads need to make one bangel = 30 beads
so
Beads need to make 5 bangles = 30 × 5 = 150 beads
Since she has already 99 beads.
So, all we need s to subtract 99 beads from 150 beads.
Therefore,
The number of beads Zoey needs = 150 - 99
= 51 beads
Thus, Zoey needs 51 more beads to make 5 bangles.
Going to my last resort, brainly
Answers
Answer:
you have the answer correct actually
Step-by-step explanation:
1. Given the lines shown here, what are two possible equations for this system of equations?
Answers
Answer:
i just need help pasing 5th grade can you help by giving me a link so i can get answers to quistions pls
Step-by-step explanation:
A, B, C, OR D? WILL GIVE BRAINLIST, HURRY!!!
3) Ms. Ramirez has business cards with a design on the card that uses similar parallelograms. Which statement about the parallelograms must be true?
A) They have corresponding angles that are congruent, and the parallelograms are the same shape.
B) They have corresponding sides that are congruent, and the parallelograms are the same shape.
C) They have corresponding angles that are congruent, and the parallelograms are the same size.
D) They have corresponding sides that are congruent, and the parallelograms are the same size.
Answers
one of my teachers emailed me this can u guys please help? I have no idea what to do TvT pls and thx.
"If you get the correct answer I will add 10 points to your lowest assignment next week." that's what she said in the email
Answers
The first equation-
21/3=7
So spider=7
The second-
(17-7)/2=10/2=5
So hat=5
The third-
(11-5)/2=6/2=3
So bat=3
The fourth-
3+5x7=3+35=38
Answer:
7 = spider 5 = hat 3 = bat missing answer in brackets to use orange pen! 3(7)= 21 7+ (5)(5)=17 5 +(3)(3) =11 3+7+5 = (15)
when is it best to use the mode as a measure of center? describe what type of data would lead you to choosing the mode over the mean or median.
Answers
The mode is best used as a measure of central tendency when dealing with nominal data, ordinal data where only the most frequent score is of interest, or unimodal distributions with skewed data.
The mode, like the median and mean, is one of the measures of central tendency that is used in statistics. However, when is it best to use the mode as a measure of center?
What is the mode? The mode is the most frequently occurring value in a set of observations. If a dataset includes many repeated values, then it has a high mode, whereas if it does not include repeated values, it has no mode. The mode is most useful for nominal and ordinal data when the central value or typical value is most frequent.
When is it best to use the mode as a measure of center? The mode should be used as a measure of central tendency in the following cases:
When the data is nominal. In nominal data, the mode represents the most frequently occurring category. In such cases, the mode is the best measure of central tendency.When the data is ordinal, but the researcher only wants to know the most frequently occurring score. In other words, the median is not required. In such situations, the mode is the best measure of central tendency.For example, when you ask people to rate their experience at a restaurant on a scale of 1 to 5 (1 = worst experience, 5 = best experience), the data is ordinal. However, if you only want to know the most frequent rating, the mode is the best measure of central tendency.
In unimodal distributions with skewed data, the mode is the best measure of central tendency. The mode is the best measure of central tendency in such cases because it reflects the most frequent value of the distribution.Describe what type of data would lead you to choose the mode over the mean or median.
The mode should be used as a measure of central tendency in the following cases:
When the data is nominal.When the data is ordinal, but the researcher only wants to know the most frequently occurring score.In unimodal distributions with skewed data, the mode is the best measure of central tendency.Learn more about mode at:
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(-3 x 10 to the 4th power) x (2 x 10 to the power of -3) RESPOND QUICK PLEASE
Answers
Answer:
-60
Step-by-step explanation:
(-3 x \(10^{4}\)) x (2 x \(10^{-3}\))
(-30,000) x (.002) = -60
Bob's car can go
111 miles on tank
of gas. How far can it
go on a full tank?
PLEASE HURRY
Answers
Answer:
296 miles
Step-by-step explanation:
Use a proportion:
111/( 3/8) = x/ 1
Cross Multiply
(3/8)x = 111
Multiply both sides by 8/3 ; reciprocal
x = (8/3) (111)
x = 296 miles
in words explain how to determine the y intercepts of a rational function. be sure to include if theres a specific way to easily find the y intercept and the possible number of y intercepts
Answers
Answer:
evaluate f(0)there will be 0 y-intercepts if f(0) is undefined, 1 otherwise.Step-by-step explanation:
You want to know how to determine the y-intercepts of a rational function, and their possible number.
Rational functionA rational function f(x) is the ratio of two polynomial functions p(x) and q(x):
f(x) = p(x)/q(x)
As such, both numerator and denominator have single function values for any value of the independent variable. The y-intercept of f(x) is ...
f(0) = p(0)/q(0)
The values of p(0) and q(0) are simply the constant terms in those respective functions.
The simple way to find the y-intercept is to look at the ratio of the constant terms in the polynomial functions making up the rational function. If that is defined, there is one y-intercept. If it is undefined (q(0)=0), then there are no y-intercepts.
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Elena had $100 to spend for entertainment if she purchased a ticket for a hockey game for $59.75 how much would she have left
Answers
Explain how two samples can have the same mean but different standard deviations. Draw a bar graph that shows the two samples, their means, and standard deviations as error bars. PLEASE draw out the graph with the information written.
Answers
Two samples can have the same mean but different standard deviations if one sample has more variability than the other. For example, one sample may have data points that are tightly clustered around the mean, while the other sample may have data points that are more spread out.
This can result in the same mean value for both samples, but different levels of variability.
Here's an example bar graph to illustrate this concept:
Sample 1 Sample 2
╭────────────────╮ ╭────────────────╮
│ Mean │ │ Mean │
├────────────────┤ ├────────────────┤
│ │ │ ╭─╮ │
│ │ │ │ │ │
│ │ │ │ │ │
│ │ │ ╰─╯ │
│ o o o │ │ o o o o o o │
│ │ │ │
│ │ │ │
│ │ │ │
╰────────────────╯ ╰────────────────╯
Std. Dev. Std. Dev.
In this example, both Sample 1 and Sample 2 have a mean value of 5. However, Sample 1 has lower variability with a standard deviation of 1, while Sample 2 has higher variability with a standard deviation of 3. The error bars on the graph represent the standard deviation for each sample.
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Find the volume of the prism
below.
Answers
Determine the proportion of mild cases of atherosclerosis that were effectively dealt with using treatment A. Determine the proportion of mild cases of atherosclerosis that were effectively dealt with using treatment B.
Answers
We are asked to find the proportion of mild cases that were effectively dealt with using treatment A. First we will find the total number of cases that were dealt with using treatment A, that is:
\(N_{\text{cases}}=\text{effective + not effective}\)\(N_{\text{case}}=310+80=390\)Fr
Classify these functions as even, odd, or neither
F(x) = 4x^3 - 3x^2 + 5
F(x) = -7x^2+1
y = cos (-x)
y = csc x
y = tan x / x
y = sin x/cos X
Pls help
Answers
Step-by-step explanation:
F(x) = 4x^3 - 3x^2 + 5 neither
F(x) = -7x^2+1 even
y = cos (-x) even
y = csc x odd
y = sin x/cos x odd
11 1 point Solve for the measure < PZQ: RO 120⁰ Ze 170⁰ Type your answer...
Answers
The measure of angle PZQ is equal to 70°.
What is a circle?In Mathematics, a circle can be defined as a closed, two-dimensional curved geometric shape with no edges or corners. Additionally, a circle refers to the set of all points in a plane that are located at a fixed distance (radius) from a fixed point (central axis) with a measure of 360 degrees.
Generally speaking, the sum of all the angles around a point is equal to one full turn, which makes it equal to 360 degrees;
m∠PZR + m∠QZR + m∠PZQ = 360
120 + 170 + m∠PZQ = 360
290 + m∠PZQ = 360
m∠PZQ = 360 - 290
m∠PZQ = 70°.
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Solve the following equation for. 1 a2 d2 d2 + 2 ℏ2 |E| = 0, Assume a standard trial solution = A exp(iB). (Use the following as necessary: a, E, , and ℏ. ) A = B = Find the allowed energies and angular momenta. (Use the following as necessary: a, , ℏ, and n, the quantum number. ) E =
Answers
To solve the given equation using the standard trial solution with quantum number, we substitute A exp(iB) for the wavefunction in the time-independent Schrödinger equation:
-ℏ²/(2m) (d²/dx²)[A exp(iB)] + V(x) A exp(iB) = E A exp(iB)
where m is the mass of the particle, V(x) is the potential energy function, and E is the total energy of the particle.
Simplifying this equation, we get:
-A exp(iB) ℏ²/(2m) [(d²/dx²) + 2imB(dx/dx) - B²] + V(x) A exp(iB) = E A exp(iB)
Dividing both sides by A exp(iB) and simplifying further, we get:
-ℏ²/(2m) (d²/dx²) + V(x) = E
Since the potential energy function V(x) is not specified in the problem, we cannot find the allowed energies and angular momenta. However, we can solve for the energy E in terms of the given variables:
E = -ℏ²/(2m) (d²/dx²) + V(x)
We can also express the allowed energies in terms of the quantum number n, which represents the energy level of the particle:
E_n = -ℏ²/(2m) (π²n²/a²) + V(x)
where a is a constant that represents the size of the system.
The allowed angular momenta can be expressed as:
L = ℏ√(l(l+1))
where l is the orbital angular momentum quantum number. The maximum value of l for a given energy level n is n-1, so the total angular momentum quantum number can be expressed as:
J = l + s
where s is the spin quantum number.
Thus, we can solve for the energy in terms of the quantum number n:
E = - \((ℏ^2\pi ^2n^2)/(2ma^2)\)
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Please help me (check the file attached)
Answers
According to the model, the value of -6(10b + 0.8) will be -60b - 4.8.
What is an equation?An equation is the statement that illustrates that the variables given. In this case, two or more components are taken into consideration to describe the scenario.
In this case, this is illustrated as:.
= -6(10b + 0.8)
Open the parentheses
= -60b - 4.8
Therefore, the value is -60b - 4.8.
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What is the slope of the line through (5, 1) and (-5, 3)?
Answers
Answer:
-1/5
Step-by-step explanation:
We can use the formula [ y2-y1/x2-x1 ] to solve.
3-1/-5-5
2/-10
-2/10
-1/5
Best of Luck!
which expression fails to compute the area of a triangle having base b and height h (area is one-half base time height)?a.(1.0 / 2.0 ) * b * hb.(1 / 2) * b * hc.(b * h) / 2.0d.0.5 * b * h
Answers
The expression that fails to compute the area of a triangle correctly is option b: (1 / 2) * b * h.
The correct formula to compute the area of a triangle is one-half times the base multiplied by the height, which can be written as (1/2) * b * h. Option a, c, and d correctly represent this formula. However, option b is incorrect because it uses integer division instead of decimal division.
In option b, (1 / 2) is computed using integer division, which results in truncating the decimal part. Therefore, (1 / 2) evaluates to 0 instead of 0.5. As a result, the expression (1 / 2) * b * h would yield incorrect and significantly smaller results than the actual area of the triangle.
To accurately calculate the area of a triangle using this formula, it is essential to use decimal division or explicitly represent the fraction as a decimal. Options a, c, and d correctly account for this by using either 1.0/2.0 or 0.5, ensuring the proper calculation of the area.
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It is impossible to slice a triangular pyramid with a plane and get a quadrilateral cross section.
True
False
Answers
Answer:
false
Step-by-step explanation:
Answer:
This question is false.
Step-by-step explanation:
What is the reflection?
Answers
Answer:
E': (-3, 3)
F': (-1, 2)
G': (0,0)
H': (-2, 1)
Step-by-step explanation:
Answer:
song of mulan
Step-by-step explanation:
why my reflection show who I am insidee
The perimeter of a certain sqaure is 12 inches. Find the area of the sqaure in square inches
Answers
Answer:
144 in sq
Step-by-step explanation:
multiply 12 by 12
Answer:
9 inches²
Step-by-step explanation:
Since a square has 4 equal sides, we can divide its perimeter by 4 to find the length of a single side.
12/4 = 3
Each side of the square is 3 inches long.
To find the area of the square, then, multiply the length, 3 and the width, 3, together.
3 · 3 = 9
The area of the square is 9 inches.
Good luck ·ω·
1. 12x^2-8x
2. x^2+5x-36
3. 3x^2+10x+8
Please show all the work for how to solve these problems, thanks.
Answers
Answer:
Step-by-step explanation:
1) the two members of the expression has 4x in common, so we can rewrite it as: 4x(3x-2)
2) we have to find two numbers that multipied give -36 and that added up give 5
the two number are 9 and -4
we can rewrite the expression as : (x+9)(x-4)
3) we have to solve the associated equation
3x^2+10x+8 = 0
Δ/4 = 25-24 = 1
x1 = (-5+1)/3 = -4/3
x2 = (-5-1)/3 = -2
now we can rewrite the expression as
3(x+4/3)(x+2) = (3x+4)(x+2)
Answer:
1. 12x^2-8x
taking common 4x
4x(x-2)
2. x^2+5x-36
doing middle term factorization
x²+9x-4x-36
x(x+9)-4(x+9)
(x+9)(x-4)
3. 3x^2+10x+8
Doing middle term factorization
3x²+6x+4x+8
3x(x+2)+4(x+2)
(x+2)(3x+4)
when digitizing a recording of a musical performance, which of the following strategies will result in a more accurate digital representation of the original music? select two answers. increasing the sampling rate of the music being digitized increasing the volume of the music being digitized increasing the speed of the music that is being digitized increasing the bit depth of the music being digitized
Answers
When digitizing a recording of a musical performance, two strategies that will result in a more accurate digital representation of the original music are:
Increasing the sampling rate of the music being digitized: The sampling rate is the number of samples of the analog audio waveform taken per second. The higher the sampling rate, the higher the frequency range that can be captured, resulting in a more accurate representation of the original sound.
Increasing the bit depth of the music being digitized: The bit depth is the number of bits used to represent each sample of the audio waveform. The higher the bit depth, the greater the number of possible levels of amplitude that can be captured, leading to a more accurate representation of the original analog waveform and a clearer, more dynamic digital audio file.
Increasing the volume of the music being digitized and increasing the speed of the music that is being digitized do not necessarily result in a more accurate digital representation of the original music.
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In each graphic, the triangle was dilated to create the image triangle. Determine which scale factor was used for each dilation by dragging the correct scale factor to each graph.
pls help i well give brllant
Answers
The scale factor was used for each dilation are-
Part a: For ΔABC - scale factor = 2Part b: For ΔDEF - scale factor = 1/2Part c: For ΔGHJ - scale factor = 1/3Part d: For ΔKML - scale factor = 3Explain about the dilation:A transformation that changes the size of a figure is called a dilatation. This indicates that the preimage as well as image are similar and have been scaled up or down, respectively.
A dilatation that results in a reduction (imagine shrinking) or an enlargement (think stretching) produces a smaller or larger image, respectively.
Part a: For ΔABC
Length AB = 2 units
Length A'B' = 4 units
A'B' = 2 *AB
Thus, For ΔABC - scale factor = 2
Part b: For ΔDEF -
Length DF = 2 units
Length D'F' = 1 units
D'F' = 1/2 DF
Thus, For ΔDEF - scale factor = 1/2
Part c: For ΔGHJ -
Length GH = 3 units
Length G'H' = 1 units
G'H' = 1/3 GH
Thus, For ΔGHJ - scale factor = 1/3
Part d: For ΔKML -
Length KM = 2 units
Length K'M' = 6 units
K'M' = 3*KM
Thus, For ΔKML - scale factor = 3
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read directions in picture. do all questions.
Answers
5b: true
5c: false
March Madness Movies served 23 lemonades out of a total of 11 fountain drinks last weekend. Based on this data, what is a reasonable estimate of the probability that the next fountain drink ordered is a lemonade?
Answers
sorry I dont know so I need to give you a answer oh wait this is my answer
if a confidence interval is given from 8.56 to 10.19 and the mean is known to be 9.375, what is the maximum error? group of answer choices 8.560 0.408 0.815 1.630
Answers
If a confidence interval of 8.56 to 10.19 is given and the mean is confirmed to be 9.375, the maximum error is 0.815. Thus, Option C is holds the truth.
The maximum error is the greatest possible difference between the true population parameter and the estimated value based on a sample. It is determined by dividing the width of the confidence interval in half.
In this case, the maximum error is 0.815, which is obtained by finding the average distance between the mean and both endpoints of the confidence interval:
((10.19-9.375)+(9.375-8.56))/2 = 0.815Thus, the correct answer to this question is Option C, 0.815. A, B, and D are incorrect.
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Bart drove 700 miles in 12 hours. What was his average speed?
Answers
Answer:
58
Step-by-step explanation:
i think