The measure of angle DAB is 28 degrees
How to determine the measure of angle DABThe angle at the circumference in a semicircle is 90°
This means that
Angle E = 90
So, we have
D = 180 - 90 - 44 --- sum of angles in a triangle
D = 46
Using the above as a guide, we have the following:
a + 18 = 46 --- opposite external theorem
So, we have
a = 28
Hence, the measure of the angle is 28 degrees
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Find values of m so that the function y xm is a solution of the given differential equation. x^2y''-7xy' 15y=0
If \(y=x^m\) is a solution to the ODE
\(x^2 y'' - 7xy' + 15y = 0\)
then substituting \(y\) and its derivatives
\(y' = mx^{m-1} \text{ and } y'' = m(m-1)x^{m-2}\)
gives
\(m(m-1)x^2x^{m-2} - 7mxx^{m-1} + 15x^m = 0\)
\(m(m-1)x^{m} - 7mx^{m} + 15x^m = 0\)
\((m(m-1) - 7m + 15)x^{m} = 0\)
We ignore the trivial case of \(y=x^m=0\). Solve for \(m\).
\(m(m-1) - 7m + 15 = 0\)
\(m^2 - 8m + 15 = 0\)
\((m - 3) (m - 5) = 0\)
\(\implies \boxed{m=3} \text{ or } \boxed{m=5}\)
...........................................
................................
Answer:
...................................................../
Step-by-step explanation:
A local college recently reported that enrollment increased to 108% percent of last year. If enrollment last year was at 20,000, about how many students enrolled this year? Round to the nearest whole number.
Answer:
the number of students enrolled this year is 21,600 students
Step-by-step explanation:
The computation of the number of students enrolled this year is as follows:
= Number of students enrolled last year × increased percentage
= 20,000 students × 108%
= 21,600 students
hence, the number of students enrolled this year is 21,600 students
please show work for 2-4
The solutions for the given equations would be
x =14
x = -96
x = 53
What is a linear equation in one variable?
A linear equation in one variable is an equation that can be written in the form ax + b = 0, where x is the variable, a and b are coefficients, and a is not equal to zero. The variable x is the unknown value in the equation and the goal is to find the value(s) of x that makes the equation true.
9x = 126
x = 126/9
x = 14
x/8 = -12
x = -12 * 8
x = -96
x + 19 = 72
x = 72 - 19
x = 53
Hence, the solutions for the given equations would be
x =14
x = -96
x = 53
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which two equations are correct?
−6.8⋅−4.6=−31.28
− − 6.8 ⋅ ⋅ − − 4.6 = − − 31.28
−6.8⋅−4.6=31.28
− − 6.8 ⋅ ⋅ − − 4.6 = 31.28
−6.8⋅4.6=−31.28
− − 6.8 ⋅ ⋅ 4.6 = − − 31.28
6.8⋅−4.6=31.28
6.8 ⋅ ⋅ − − 4.6 = 31.28
6.8⋅4.6=−31.28
Answer:.
Step-by-step explanation:
.
Jamie lost 65 pounds in 5 months. How much did she lose per month?
Answer:
13
Step-by-step explanation:
Divide 65 by 5
Answer:
13
Step-by-step explanation:
given the functions
question in attachment
What’s the unit rate of 2 1/3 miles in 2 hours
Answer:
7/6 miles
Step-by-step explanation:
As, Distance for 1 hour = x
For 2 hours = 2 1/3
For 2 hours = 2(x)
So, 2(x)= 2 1/3
2(x)= 7/3
So, x = 7/3 ÷ 2
So x= 7/3 x 1/2
Therefore, x = 7/6
Final answer= 7/6 miles per hour
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The graph of f(x) is shown below of g(x) and f(x) are inverse functions, which graph represents g(x)
Answer:
It's B
Step-by-step explanation:
Given that we have the graph of f(x), we want to see which one is the graph of its inverse. i just had that question and i got a 100 on it
Help me please! Thank you =D
Answer:
2A=A+A
Step-by-step explanation:
2A=A*A, not A+A
PLEASE HELP. WORTH 100 POINTS !
if you take points and leave without answering I will report you
Answer:
6) 60°
7) 24.25°
8) 28°
Step-by-step explanation:
I’m not 100% sure but hope this helps.
Answer:
6. u = 60
7. 24.25°
8. 28°
Step-by-step explanation:
6. First we know that a triangle is 180 degrees. So we would do 30+90+u=180
120+u=180
-120 -120
u = 60
Which trigonometric ratio belongs with each value?
Therefore, a corresponds to tan θ = 3/2, and b corresponds to cos θ = 2(√13)/13.
What is trigonometric ratio?Trigonometric ratios are mathematical functions used to relate the angles and sides of a right-angled triangle. There are three primary trigonometric ratios: sine (sin), cosine (cos), and tangent (tan). Trigonometric ratios are commonly used in various fields, including physics, engineering, and mathematics, to solve problems related to angles and triangles.
Here,
We can use the definitions of the trigonometric ratios to find which ratio belongs to each value:
sin θ = (perpendicular/hypotenuse)
= 9/(3√13)
= 3/(√13)
cos θ = (base/hypotenuse)
= 6/(3√13)
= 2(√13)/13
tan θ = (perpendicular/base)
= 9/6
= 3/2
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A small pool is filled with water. the pool holds 150 gallons. each cubic foot of water contains about 7.5 gallons. the tank is 5 feet long and 6 feet high. what is the width of the pool need it asap
The width of the pool is approximately 0.67 feet or 8 inches. To find the width of the pool, we can use the given information about the volume of water it holds and the relationship between volume and dimensions.
First, we calculate the volume of the pool using the formula: Volume = length × width × height. Since the length is given as 5 feet and the height is 6 feet, we can substitute these values into the formula: Volume = 5 × width × 6.
Next, we convert the volume from gallons to cubic feet by dividing by the conversion factor of 7.5 gallons per cubic foot: (150 gallons) / (7.5 gallons per cubic foot) = 20 cubic feet.
Now we can set up the equation: 20 = 5 × width × 6.
To solve for the width, we divide both sides of the equation by (5 × 6): width = 20 / (5 × 6).
Evaluating the expression, we find that the width of the pool is approximately 0.67 feet or 8 inches.
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Drag the sliders.
Shape A
Shape B
Which slider creates scale copies of the shape?
Choose 1 answer:
Slider for Shape A
Slider for Shape B
the states of california, arizona, new mexico, utah, and nevada each send a team of 6 delegates to the southwestern states annual conference. a subcommittee of 9 is to be formed to discuss water rights.how many committees with at least 2 delegates from nevada are possible?
Total number of committees with 4 delegates from Nevada = 15 × C(24, 5)
Total number of committees with 5 delegates from Nevada = 6 × C(23, 4)
Total number of committees with 6 delegates from Nevada = 1 × C(22, 3)
What is Delegates?
An individual chosen to represent a group of people in a political assembly in the United States is known as a delegate.
To calculate the number of committees with at least 2 delegates from Nevada, we need to consider the number of possible combinations of delegates from five states: California, Arizona, New Mexico, Utah, and Nevada.
Since each state sends a team of 6 delegates, the total number of delegates available is 6 × 5 = 30 delegates.
Now let's count the number of committees with at least 2 delegates from Nevada. We can consider two scenarios:
Scenario 1: Exactly 2 delegates from Nevada
In this case, we need to select 2 delegates from Nevada and 7 delegates from the remaining 29 delegates (excluding the 2 from Nevada). The order of selection does not matter, so we use combinations.
Number of ways to choose 2 delegates from Nevada = C(6, 2) = 15 (using combinational formula)
Number of ways to select 7 delegates from the remaining 29 delegates = C(29, 7) = 3,138,225 (using combinational formula)
Total number of committees with exactly 2 delegates from Nevada = 15 × 3,138,225 = 47,073,375
Scenario 2: More than 2 delegates from Nevada
In this case, we can choose 3, 4, 5, or 6 delegates from Nevada. For each selection, we must select the remaining delegates from the remaining states.
Number of ways to select 3 delegates from Nevada = C(6, 3) = 20 (using combinational formula)
Number of ways to select 6 delegates from the remaining 27 delegates = C(27, 6) = 10,068,347 (using combinational formula)
Total Committees with 3 Nevada Delegates = 20 × 10,068,347 = 201,366,940
Similarly, we calculate the total number of committees with 4, 5, and 6 delegates from Nevada.
Number of ways to choose 4 delegates from Nevada = C(6, 4) = 15
Number of ways to choose 5 delegates from Nevada = C(6, 5) = 6
Number of ways to select 6 delegates from Nevada = C(6, 6) = 1
For each case, we calculate the number of ways to choose the remaining delegates from the remaining states using the combination formula.
Total number of committees with 4 delegates from Nevada = 15 × C(24, 5)
Total number of committees with 5 delegates from Nevada = 6 × C(23, 4)
Total number of committees with 6 delegates from Nevada = 1 × C(22, 3)
Calculating the above combinations will give you the final results.
Note: Calculations for remaining delegates from other states are required to account for the different number of delegates in each scenario.
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shawn is buying groceries at the store. let a be the event that he buys granola. let b be the event that he buys bagels.
p(a) = 0.4
p(b) = 0.8
p(a and b) = 0.2
what is the probability that shawn buys granola, given that he has already bought bagels?
The probability that Shawn buys granola given that he has already bought bagels is 0.25.
What is the conditional probability of Shawn buying granola, given that he has already bought bagels?In probability theory, the conditional probability is the probability of an event occurring given that another event has already occurred. In this case, we want to find the probability of Shawn buying granola (event A) given that he has already bought bagels (event B).
To calculate the conditional probability, we use the formula: P(A|B) = P(A and B) / P(B). In the given information, we are given that P(A) = 0.4, P(B) = 0.8, and P(A and B) = 0.2.
Substituting these values into the formula, we have: P(A|B) = P(A and B) / P(B) = 0.2 / 0.8 = 0.25.
Therefore, the probability that Shawn buys granola, given that he has already bought bagels, is 0.25.
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What is 7/10+1/2 as fraction
Answer:
6/5 or 1 1/5
Step-by-step explanation:
Make a common denominator: 1/2 is equal to 5/10
7/10+5/10=12/10
12/10 simplified is 6/5
Draw a number line and mark all described points on it.
Numbers that are either negative or greater than 5.
Answer:
hi the answer submersible
Using the properties of inequalities, write down the inequality that you will get if you: add the number –5; 2.7; 7; to both sides of the inequality 18>−7. subtract the number 2; 12; −5; from both sides of the inequality 5>−3. multiply both sides of the inequality −9 −6 by the number 3; −3; −1.
Answer:
Answer:
if you add −5, the inequality is 13 > -12
if you add 2.7, the inequality is 20.7 > -4.3
if you add 7, the inequality is 25 > 0
Hope this helps
Using the properties of inequalities
if you add −5, to both sides of the inequality 18>−7.
the inequality is 13 > -12
Do that with all of them
if you add 2.7, to both sides of the inequality 18>−7. the inequality is 20.7 > -4.3
if you add 7, to both sides of the inequality 18>−7. the inequality is 25 > 0
Hope this helps! Also I know its right bc RSM-Viki
find the odds for and the odds against the event rolling a fair die and getting a 6 or 5
The odds for and against the event of rolling a fair die and getting a 6 or 5 can be found by calculating the probability of the event and its complement. Probability of getting a 6 or 5 on a die = 2/6 = 1/3Probability of not getting a 6 or 5 on a die = 4/6 = 2/3Odds in favor of getting a 6 or 5 on a die can be calculated as the ratio of the probability of getting a 6 or 5 to the probability of not getting a 6 or 5.
Hence, odds in favor of getting a 6 or 5 are (1/3)/(2/3) = 1:2.Odds against getting a 6 or 5 on a die can be calculated as the ratio of the probability of not getting a 6 or 5 to the probability of getting a 6 or 5. Hence, odds against getting a 6 or 5 are (2/3)/(1/3) = 2:1. Thus, the odds in favor of rolling a fair die and getting a 6 or 5 are 1:2, and the odds against it are 2:1.
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solve the equation 2x^2-9x=0 by factoring
Answer: x = 0, \(\frac{9}{2}\)
Step-by-step explanation:
Given:
2x^2-9x=0
Rewrite:
0 = 2x² - 9x
Factor:
0 = (2x - 9)x
Solve:
x = 0, \(\frac{9}{2}\)
To factor something, we essentialy take apart the equation until we reach its most basic form as shown below
⇒ formal terms: break the expression down into smaller
expressions that are multiplied together
\(2x^2-9x=0\\x(2x-9)=0\)<==factored form
To find the solutions in this case, we set the two parts of the factored forms, 'x' and '2x-9' equal to zero, and solve for x
\(x = 0\\\\2x-9=0\\2x=9\\x= \frac{9}{2}\)
Thus the solutions are 9/2 and 0
Answer: 9/2, 0
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Hope that helps!
When you add 2 positive intergers, the answer is always positive. When you subtract 2 positive intergers, is their difference always a positive interger? Explain.
Answer:
No. If the second positive integer is larger than the first positive integer in a subtraction problem, the difference will be negative.
Step-by-step explanation:
EASY POINTS What is a short definition of thermal energy
Answer:
Step-by-step explanation:
The kinetic energy associated with the random motions of the molecules of a material or object; often used interchangeably with the terms heat and heat energy.
Answer:
A short defination can be when the temp rises, the molecules start to move around faster and collide!
Step-by-step explanation:
Solve 3-4 and (1⁄2)-2
Answer:
A) -1B) -1.5 or -3/2Step-by-step explanation:
Solve 3-4 and (1⁄2)-2
3 - 4, 4 is greater than 3, so the result is negative (-1)
3 - 4 = -1
-----------------
1/2 is equal to 0.5, also here 2 is larger and we will have a negative result (-1.5 or -3/2)
1/2 - 2 =
0.5 - 2 = -1.5 or -3/2
The local Farm Market sells peppers at five for $2.25.
a. Complete the rate table.
“IF YOU ARE GIVEN 2 SEGMENT LENGTHS, DESCRIBE HOW YOU WOULD FIND THE RANGE OF POSSIBLE LENGTHS OF THE THIRD SIDE?” (BEST ONE GET BRAINLIEST)
Answer:
To find a range of values for the third side when given two lengths, write two inequalities: one inequality that assumes the larger value given is the longest side in the triangle and one inequality that assumes that the third side is the longest side in the triangle. Combine the two inequalities for the final answer.
Step-by-step explanation:
The curved surface area ?
The total surface area ?
The value of the curved surface area is 144π m² and the total surface area is 116π m²
What is the curved surface area of the frustrumThe formula of curved surface area of a frustrum is given as;
CSA = π(R + r)l
R = Big radiusr = small radiusl = slant heightCSA = π(10 + 2) * 12
CSA = π144
CSA = 144π m²
b.
The formula of total surface area is given as;
TSA = π(R + r) + πR² + πr²
Substituting the values into the formula;
TSA = π(10 + 2) + 10²π + 2²π
TSA = 12π + 100π + 4π
TSA = 116π m²
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An apple farmer has planted 0.3 of his orchard with cherry trees. The orchard is 1.5 acres in size. How many acres are planted with cherry trees? 1. Explain how you came up with your answer 3. Type an equation with the answer. 2. Answer the question in a complete sentence
Answer:
No
Step-by-step explanation:
Because is not,if you look the fiche ys not
Need to turn this in today help!!
The angle 2 is 149° , angle 3 is 31° , angle 4 is 149°
What is the name for two opposing angles?
Angles where two lines cross that are directly opposite one another are known as opposing angles. The vertex, where the lines come together to produce the angle, is the location of the junction. Vertical angles are another name for opposite angles.
Given that :
Angle 1 is = 31°
Angle 2 is = 180 - 31 = 149° (As in a line total angle is 180°)
Angle 3 is = 31° (As equal opposite angle with angle 1)
Angle 4 is = 149° (As equal opposite angle with angle 2)
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