Answer:
Triangle RED ≈ Triangle BUL
By-
SAS Congruencey
Beacause-
RE = BU (S)
ang RDE = ang BLU (A)
RD = BL (S)
(All the info for the relationship is given in the diagram itself)
Thus it's SAS Congruencey
What is the area of a triangle whose vertices are D(1, 1), E(3, -1), and F(4, 4)?
Enter your answer in the box.
Answer:
6
Step-by-step explanation:
Trust
Given the function h(x) = -x2 - 4x + 6, determine the average rate of change of
the function over the interval -5 < x < -1.
Answer:
Que estoy confundida
Step-by-step explanation:
The patent on a popular drug recently expired, and now the drug is generic, which has turned the market for this drug into a competitive market. All pharmaceutical companies producing this drug face the same costs. The cost function for a drug manufacturer is given by the following function: c(y)=3y3−10y2+200y where y stands for the number of doses produced and sold in a month.
The cost function for a drug manufacturer producing a generic drug is c(y) = 3\(y^{3}\) - 10\(y^{2}\) + 200y
The cost function is a cubic function with positive coefficients for the \(y^{3}\) term and negative coefficients for the \(y^{2}\) term, indicating increasing costs at a decreasing rate. The y term represents variable costs, such as raw materials and labor, while the constant term represents fixed costs, such as overhead expenses.
The shape of the cost function suggests that as the number of doses produced and sold increases, the costs initially rise rapidly due to the cubic term but start to increase at a slower rate due to the decreasing quadratic term. Eventually, the cost curve may reach a point where it starts to increase more rapidly again.
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calculate the poh of 490 ml of a 0.81 m aqueous solution of ammonium chloride (nh4cl) at 25 °c given that the kb of ammonia (nh3) is 1.8×10-5.
The pOH of the 0.81 M aqueous solution of ammonium chloride (NH4Cl) at 25 °C is approximately 4.74.
To calculate the pOH of a 0.81 M aqueous solution of ammonium chloride (NH4Cl), we first need to find the concentration of hydroxide ions (OH-) using the Kb of ammonia (NH3). Here's a step-by-step explanation:
1. Write the dissociation reaction of NH4Cl in water and the equilibrium reaction of NH3 with water:
NH4Cl → NH4+ + Cl-
NH3 + H2O ⇌ NH4+ + OH-
2. Since NH4Cl is a strong electrolyte, its concentration will be equal to the initial concentration of NH4+. Therefore, [NH4+]initial = 0.81 M. Assume that x moles of OH- is formed at equilibrium, so [OH-] = x and [NH4+] = 0.81 - x.
3. Write the Kb expression for the equilibrium reaction:
Kb = [NH4+][OH-] / [NH3]
4. Substitute the given Kb value and the concentrations from step 2:
1.8×10⁻⁵ = (0.81 - x)(x) / [NH3]
5. Since NH4Cl dissociates completely, we can assume that the initial concentration of NH3 is also 0.81 M. Since x is small compared to 0.81, we can simplify the equation:
1.8×10⁻⁵ ≈ (0.81)(x) / 0.81
6. Solve for x, which is the concentration of OH-:
x ≈ 1.8×10⁻⁵
7. Calculate the pOH using the formula pOH = -log[OH-]:
pOH = -log(1.8×10⁻⁵) ≈ 4.74
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find the missing side.Round to the nearest tenth.
Answer:
soh=sin=opp/hyp
Step-by-step explanation:
sin53=x/12
0.3959x12=x
x=4.75 to the nearest tenth
MALM Dion has two bunches of similar bananas. One bunch has 8 bananas, and the other bunch has 9 bananas. The list below shows the weight, in grams, of each of the bananas in the bunch of 8. 138 118 121 164 140 115 129 123 Which measurement is most likely closest to the total weight of the bunch of 9 bananas? ( 932 grams 1,048 grams
A932grams
B 1,048
C 1,179
D 1,368
i need an answer asap
The answer is C, 1179 grams. To calculate the total weight of the bunch of 9 bananas, we need to find the average weight of the bunch of 8 bananas.
What is average weight?It is calculated by taking the sum of all the weights during the period, then dividing it by the number of weights recorded.
To calculate the total weight of the bunch of 9 bananas, we need to find the average weight of the bunch of 8 bananas.
To do this, we add the weights of each banana in the bunch
(138 + 118 + 121 + 164 + 140 + 115 + 129 + 123 = 1048)
and divide by the total number of bananas (8).
This gives us the average weight of the bunch of 8 bananas, 131 grams. Adding 131 grams to the weight of the 9th banana gives us
= 131+1048
= 1179
Total weight of 1179 grams, which is the closest to the given choices.
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Can someone help me out with this question fast!?!?!
x > 1200 and x < 1600; Patrice needs to consume more than 1200 calories, but less than 1600 calories.
The 1st option is the answer
How to solve for x in the inequality, and explain what the answer represents?
Given that: Patrice is trying a low-calorie diet. She would like to keep her calories consumed between the levels shown in the following compound inequality: 2450 < 2x + 50 and 2x + 50 < 3250.
Solve the two inequalities separately:
2450 < 2x + 50
2450 - 50 < 2x
2400 < 2x
1200 < x
x > 1200
2x + 50 < 3250
2x < 3250 - 50
2x < 3200
x < 1600
Therefore, Patrice needs to consume more than 1200 calories (i.e. x > 1200), but less than 1600 calories (i.e. x < 1600).
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Find the solution of the system of equations.
−3x+8y=11
−3x−5y= −41
Answer:
Step-by-step explanation:
Subtract the equations. We get
13y = 52
y=4
SUBSTITUTE y in 1st equation and find x
-3x+8(4) =11
-3x = 11-32
-3x = -21
x=7
When comparing three or more populations means within a set of quantitative data that is categorized according to one factor/treatment, a one-way anova is appropriate. It is also appropriate in this situation, however, to compare two means at a time using multiple independent two sample t-tests. True or false?.
According one-way ANOVA, the test is false.
In the given question,
When comparing three or more populations means within a set of quantitative data that is categorized according to one factor/treatment, a one-way ANOVA is appropriate. It is also appropriate in this situation, however, to compare two means at a time using multiple independent two sample t-tests. We have to check whether this is true or false.
We firstly learn about one-way ANOVA
"One-Way ANOVA, also known as "analysis of variance," examines the means of two or more independent groups to see if there is statistical support for the notion that the related population means are statistically substantially different."
According to the given method it is inappropriate to compare two means at a time using multiple independent two sample t-tests. It will create multiple testing problem and error.
So using one way ANOVA test when comparing three or more populations means within a set of quantitative data that is categorized according to one factor/treatment and compare two means at a time using multiple independent two sample t-tests is false.
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estimate √9.7+3.88×6.21
9514 1404 393
Answer:
a little more than 27
Step-by-step explanation:
Estimates are generally made by approximating the numbers using 1 or 2 significant digits. The idea is to do as much mental arithmetic as possible, not involving a calculator. Here, the estimate can be based on rounding the values like this:
√9.7 +3.88 × 6.21 ≈ √9 +4 × 6 = 3 +24 = 27 . . . estimated expression value
__
Another aspect of estimating is determining the approximate error involved.
We know that √9.7 will be more than √9 = 3, and less than √10 ≈ 3.16*. Its real value may be about 3.1.
3.88 is less than 4 by 0.12, or 3%. 6.21 is greater than 6 by .21, or 3.5%. So, the estimated product of 24 will be on the order of -3% +3.5% = 0.5% too low. Of course 1% of 24 is 0.24, so 1/2% will be about 0.12. Now, we are able to estimate that our estimate is about 0.2 units too low. (The actual value of the expression is an irrational number that rounds to about 27.2093.)
_____
* The value of 3.16 for √10 is not so hard to remember, because it is just slightly more than π ≈ 3.14.
__
Additional comment
Small percentages can usually be added and subtracted without introducing too much additional error. (The smaller the percentages, the less additional error is introduced.) Here, the error in our estimated product can be more accurately determined by computing ...
(1 -3%)(1 +3.5%) = 1 +0.5% -0.105% = 1 +0.395% . . . . . . (not 1 +0.5%)
That is, our product's actual value is 24.0948, not 24.12.
Which of the following expressions simplify to a
negative integer?
Select all that apply.
A -12 + 8
B -4(-8)
C 12-(-16)
D 14.(-3)
Use a graphing utility to graph the curve represented by the parametric equations. (Indicate the orientation of the curve.) x = t6, y = 6 ln(t). Eliminate the parameter and write the corresponding rectangular equation.
The parametric equations x = t^6 and y = 6 ln(t) represent a curve. The corresponding rectangular equation is y = ln(x). The graph of the curve is a logarithmic curve y = ln(x), and its orientation depends on the values of x and y.
To graph the curve represented by the parametric equations x = t^6 and y = 6 ln(t), we can use a graphing utility like Desmos or Wolfram Alpha.
As for eliminating the parameter, we can express the rectangular equation in terms of x and y. From the given parametric equations, we have:
x = t^6
y = 6 ln(t)
To eliminate the parameter t, we can solve the first equation for t and substitute it into the second equation:
t = (x)^(1/6)
Substituting this value into the second equation:
y = 6 ln[(x)^(1/6)]
= 6 (1/6) ln(x)
= ln(x)
Therefore, the corresponding rectangular equation is y = ln(x).
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I BEG U HELP MEE FASTT
Answer:
The answer is 1.35
Step-by-step explanation:
well you first take the quarters (0.25) and dimes (0.10) amount and add them together (0.35). Then divide that amount with 4.75 and you get your answer!
Hope this helped!
Whoever gets it right gets brainliest
Associated terms:
Cube: A three-dimensional geometric shape with six square faces, all of which are congruent (have the same size) and perpendicular to each other.Surface area: The total area of all the faces of a solid object. For a cube, this is the sum of the areas of all six faces.Square unit: The unit of measurement used for surface area, typically expressed in square inches (in^2), square centimetres (cm^2), or square meters (m^2).The formula for Calculating the Surface Area of a Cube:
\(SA=6s^2\)
s = the side length
this formula works out as the area for a square is L x W which is the same thing (s^2)SA is a sum of areas of each face, the same area for all 6 faces, hence we multiply by 6\(SA=6(4in)^2 = 54inches^2\)
use phasor methods to transform a circuit from the time domain to the frequency domain
The frequency-domain equivalent circuit equation obtained using phasor methods can be used to analyze the behavior of the circuit at different frequencies, and to predict the performance of the circuit under various operating conditions.
To transform a circuit from the time domain to the frequency domain using phasor methods, follow these steps:
Convert the circuit elements, such as resistors, capacitors, and inductors, into phasors using Kirchhoff's laws.Draw the phasor diagram of the circuit, with the voltage and current vectors as phasors.Apply the Laplace transform to the circuit equation, using the correct transform rule (e.g. convolution for AC circuits).Obtain the frequency-domain equivalent circuit equation by inverse Laplace transforming the transformed circuit equation.Verify that the frequency-domain equivalent circuit equation is consistent with the phasor diagram and the behavior of the circuit in the time domain.Learn more about circuit equation
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noah draws this box plot for data that has measure of variability 0. explain why the box plot is complete even though there do not appear to be any boxes.
The box plot is complete because it displays the five-number summary of a set of data. The five-number summary is the minimum, first quartile, median, third quartile, and maximum.
Due to the fact that it shows a five-number summary of a collection of data, the box plot is finished. Minimum, first quartile, median, third quartile, and maximum are the five numbers that make up the summary.
The boxplot visually displays the minimum, lower quartile, median, upper quartile, and maximum of five sample data. The plot's box is a rectangle with ends at each quartile, enclosing the middle half of the sample. The sample's interquartile range is therefore represented by the box's length. The box's second dimension does not specifically symbolize anything.
The sample median is used to draw a line through the box. From the box's two ends, whiskers grow until they reach the sample's maximum and minimum. The crossbar at each whisker's extreme end is optional, and its length has no significance. The next diagram compares a boxplot of the same data with a dot-plot of a sample of 20 observations (actual sample values used in the display).
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Question 5
In parallelogram WXYZ, m_W = 38°. What is mZZ?
Plz help me with this
Answer:
142 degrees
Step-by-step explanation:
w = 38
In the drawing I made below, you can see that these two angles would be supplementary. 180 - 38 = 142
Help please. I need an answer quick please.
“Select all the graphs that show a proportional relationship”
Answer:
Step-by-step explanation:
The graphs of all proportional relationships go through the origin. The first graph satisfies this criterion; the second does not.
At the end of 1st Quarter of 2009 the median price of a single-family home in Charleston/No. Charleston was $184,990. Single-family home prices in Charleston/No. Charleston decreased from the 1st Qtr of 2008 by 8.15%. NOTE: Depreciation means a negative value for r. (a). Estimate the median price of a single-family home in the 1st Qtr of 2008.
(b). If the median price of a single-family home falls at the same rate for the next 2 years, estimate the median price of a single-family home in the 1st Qtr of 2011.
The estimated median price of a single-family home in Charleston/No. Charleston in the 1st Quarter of 2008 is $201,048. If the median price continues to decrease at the same rate for the next two years, the estimated median price of a single-family home in the 1st Quarter of 2011 would be $144,458.
(a) To estimate the median price of a single-family home in the 1st Quarter of 2008, we need to calculate the original price before the 8.15% decrease. Let's assume the original price was P. The price after the decrease can be calculated as P - 8.15% of P, which translates to P - (0.0815 * P) = P(1 - 0.0815). Given that the end of 1st Quarter of 2009 median price was $184,990, we can set up the equation as $184,990 = P(1 - 0.0815) and solve for P. This gives us P ≈ $201,048 as the estimated median price of a single-family home in the 1st Quarter of 2008.
(b) If the median price of a single-family home falls at the same rate for the next two years, we can calculate the price for the 1st Quarter of 2011 using the estimated median price from the 1st Quarter of 2009. Starting with the median price of $184,990, we need to apply an 8.15% decrease for two consecutive years. After the first year, the price would be $184,990 - (0.0815 * $184,990) = $169,805.95. Applying the same percentage decrease for the second year, the price would be $169,805.95 - (0.0815 * $169,805.95) = $156,012.32. Therefore, the estimated median price of a single-family home in the 1st Quarter of 2011 would be approximately $144,458.
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I neep help asap deadline 4:00pm
Answer:
x = -2 to x = 1
Step-by-step explanation:
A function is constant when the y value does not change (i.e. the graph is a horizontal line). This is true between x = -2 and x = 1.
Answer:The Funcation is Constact from x=-5 to x=8
Step-by-step explanation:
28. Which number line shows the solution to the inequality below?
v-2>1
Answer:
v-2>1
v-2+2>1+2
v>3
Therefore, C
96 out of 200 animals treated by a veterinarian are horses. Write 96/200 as a decimal and as a percent.
Answer:
0.48
48%
Step-by-step explanation:
\( \frac{96}{200} = \frac{0.96}{2} = 0.48 \\ \\ \frac{96}{200} \times 100 = \frac{96}{2} = 48\% \)
it only tells me that each square has a perimeter of 8cm
Answer:
24cm
Step-by-step explanation:
each square has a perimeter of 8cm
8÷4=2
each side of each square is 2cm
so...
two sides of the rectangle are 4cm
and the other two are 6cm
then to get the area u do:
6cm×4cm=24cm
Answer= 24cm
Answer:
24 cm^2
Step-by-step explanation:
since each cube has equivalent sides, we can divide them by 4 to get that each side of the square is 2, now add two three times for the length and two times for the width and you get A=L*W
A=2(3)*2(2)
=6*4
=24cm^2
Sara has 20 sweets. She has 12 liquorice sweets, 5 mint sweets and 3 humbugs. Sarah is going to take, at random, two sweets Work out the probability that the two sweets will not be the same type of sweet. Any help will be great! Thanks.
Answer:
111 / 190
Step-by-step explanation:
Let us first compute the probability of picking 2 of each sweet. Take liquorice as the first example. There are 12 / 20 liquorice now, but after picking 1 there will be 11 / 19 left. Thus the probability of getting two liquorice is demonstrated below;
\(12 / 20 * 11 / 19 = \frac{33}{95},\\Probability of Drawing 2 Liquorice = \frac{33}{95}\)
Apply this same concept to each of the other sweets;
\(5 / 20 * 4 / 19 = \frac{1}{19},\\Probability of Drawing 2 Mint Sweets = 1 / 19\\\\3 / 20 * 2 / 19 = \frac{3}{190},\\Probability of Drawing 2 Humbugs = 3 / 190\)
Now add these probabilities together to work out the probability of drawing 2 of the same sweets, and subtract this from 1 to get the probability of not drawing 2 of the same sweets;
\(33 / 95 + 1 / 19 + 3 / 190 = \frac{79}{190},\\1 - \frac{79}{190} = \frac{111}{190}\\\\\)
The probability that the two sweets will not be the same type of sweet =
111 / 190
A company wants to decrease their energy used by 17% if their electric bill is currently $2200 a month what will their bill be if they are successful
Answer: \(\$1826\)
Step-by-step explanation:
Given
The company wants to decrease its bill by 17%
The amount of the current bill is \(\$2200\ \text{per month}\)
Percentage decrease is given by
\(\Rightarrow \dfrac{\text{original-New}}{\text{original}}\times 100\)
Suppose the new bill is x
\(\Rightarrow \dfrac{2200-x}{2200}\times 100=17\\\\\Rightarrow 1-\dfrac{x}{2200}=0.17\\\\\Rightarrow 0.83=\dfrac{x}{2200}\\\\\Rightarrow x=\$1826\)
Find a geometric power series for the function, centered at 0, by the following methods. f(x) = 1 / (9+x)
by long division
The geometric power series for the function f(x) = 1 / (9 + x), centered at 0, using long division is (9 - x) / ((9 + x) * (9 - x)).
Explain (9 - x) / ((9 + x) * (9 - x))?To find a geometric power series for the function f(x) = 1 / (9 + x) using long division, we can start by expanding the function into a fraction:
f(x) = 1 / (9 + x)
To begin the long division process, we divide 1 by 9 + x:
1 ÷ (9 + x)
To simplify the division, we can multiply the numerator and denominator by the conjugate of the denominator:
1 * (9 - x) / ((9 + x) * (9 - x))
Simplifying further:
(9 - x) / (81 - x^2)
Now, we have expressed the function f(x) as a fraction with a simplified denominator. To find the geometric power series, we can rewrite the denominator using the concept of a geometric series:
(9 - x) / (81 - x^2) = (9 - x) / (9^2 - x^2)
We can see that the denominator is now in the form a^2 - b^2, which can be factored as (a + b)(a - b). In this case, a = 9 and b = x:
(9 - x) / (9^2 - x^2) = (9 - x) / ((9 + x)(9 - x))
Now, we can express the function f(x) as a geometric power series:
f(x) = (9 - x) / ((9 + x)(9 - x))
f(x) = 1 / (9 + x) = (9 - x) / ((9 + x)(9 - x))
f(x) = (9 - x) / (9^2 - x^2) = (9 - x) / ((9 + x)(9 - x))
f(x) = (9 - x) / ((9 + x) * (9 - x))
f(x) = 1 / (9 + x) = (9 - x) / ((9 + x) * (9 - x))
The geometric power series for the function f(x) centered at 0 is given by (9 - x) / ((9 + x) * (9 - x)).
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Find the perimeter of the triangle.
Answer:
Perimeter of the Triangle
\(( {x}^{2} - 5x + 13) + (2 {x}^{2} - x + 19) + ( {x}^{2} + 3x + 21) \\ =(1 + 2 + 1) {x}^{2} + ( - 5 - 1 + 3)x + (13 + 19 + 21) \\ =(4 {x}^{2} - 3x + 53) \: units\)
Which of the following is an arithmetic sequence?
A.
3, 9, 81, 6561, …
B.
4, 1, −2, −5, …
C.
2, −2, 2, −2, …
D.
4, 1, 4, 7, …
Answer:
D
Step-by-step explanation:
Answer:
It's the B
Step-by-step explanation:
The arithmetic sequence here is made by subtracting 3 every time
Hope this helps, have a good day
Solve the following equation for a. a - 32 = 47
Answer:
a=79
Step-by-step explanation:
you just have to make "a" the subject of the formula so as to solve for "a"
a=47+32=79
The K.C. Juice Company plans to reduce the size of its original juice box, shown below. The new juice box will be 1 centimeter
shorter in height than the original box.
10 cm
KC
Apple
Juice
3 cm
7 cm
What is the difference between the volumes of the original and new juice boxes?
Answer: The difference is 21
Step-by-step explanation:
first find the volume of the first rectangler prism and write that number down. secound use the same equation but first change the height by 1 and then lastly subtract those two volumes to get your answer.
210-189=21
189+21=210