Answer:
C
Step-by-step explanation:
The figure consists of a semicircle of radius 6 m, and a triangle with base of 12 m and height of 5 m. The base of the triangle is 12 m since it has the length of the diameter of the circle, or twice the 6-m radius.
A = area of semicircle + area of triangle
A = (1/2)πr² + bh/2
A = (1/2)π × (6 m)² + (12 m)(5 m)/2
A = (18π + 30) m²
Answer: C
Based on this dotplot and the sample of 25 online news readers, which conclusion can be drawn?
Answer:
It is most likely that, out of 25 online readers, between 12 and 13 work in the business industry.
Step-by-step explanation:
Answer:
There is about a 0.046 chance that 9 or fewer online readers work in the business industry. This is unusual and is convincing evidence that less than 50% of online readers work in the business industry.
Step-by-step explanation:
I just took the test, The other person is very wrong!!!
Write an equation for the table below.
The equation that represents the table, in slope-intercept form, is expressed as: y = 5x.
How to Write the Equation for the Table?To write the equation of the table, find the slope (m) and the y-intercept (b), and express the equation as y = mx + b.
Let x represent time (min) and y represent water used (gal).
Slope (m) = change in y / change in x = 10 - 5 / 2 - 1 = 5/1
Slope (m) = 5
Find the y-intercept (b) by substituting m = 5 and (x, y) = (1, 5) into y = mx + b:
5 = 5(1) + b
5 - 5 = b
b = 0
Substitute m = 5 and b = 0 into y = mx + b:
y = 5x + 0
y = 5x
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what number correctly completes the following probability distribution for the number of boys in a family of 3 children?
3 boys = 0.125
2 boys = 0.375
1 boy = 0.375
0 boys = ?
Answer: 0.125
Step-by-step explanation:
Add up the probabilities in the other ones and subtract that sum by 1, since 0 boys is out remaining answer
How do you simplify (1-x-x^2-x^3)(1-x^4)?
Answer:
x^7+x^6+x^5-x^4-x^3-x^2-x+1
Step-by-step explanation:
Raoul has 72 wristbands and 96 movie passes to put in gift bags. The greatest common factor for the number of wristbands and the number of movie passes is qual to the number of gift bags. Raoul needs to make. Then find how many wristbands and how many movie passes raoul can put in each gift bag if he evenly distributes the items.
Please help I am stuck I am doing work nonstop on all weekends if I don’t get this right and done please help and will give brainlesst for the correct answer
Answer:
Step-by-step explanation:
I do know give me brainliest first
Answer:
24 gift bags
Step-by-step explanation:
Well first the question says to find the GCF and you find that by finding prime factors in each number. Then you would want to subtract 96-72 and get the answer of 24 so you would be able to make 24 gift bags. Hope this helps!!
May I have heart, 5 star, and brainliest please?
Instructions: Use the ratio of a 30-60-90 triangle to solve for the variables. Leave your answers as radicals in simplest form.
If you are using a screen-reader, please consult your instructor for assistance.
x=
y=
Using the ratio of the sides, we have:$x\sqrt{3} = 12\sqrt{3}$ (opposite the $60^{\circ}$ angle is 12$\sqrt{3}$)$x = 2\sqrt{3}\cdot6$ (the hypotenuse is $2x = 12\sqrt{3}$)Simplifying, we have:$x = 12\sqrt{3}$. Therefore $x=y=12\sqrt{3}$, which is our answer
In a 30-60-90 triangle, the sides have the ratio of $1: \sqrt{3}: 2$. Let's apply this to solve for the variables in the given problem.
Instructions: Use the ratio of a 30-60-90 triangle to solve for the variables. Leave your answers as radicals in simplest form. x=y=Let's first find the ratio of the sides in a 30-60-90 triangle.
Since the hypotenuse is always twice as long as the shorter leg, we can let $x$ be the shorter leg and $2x$ be the hypotenuse.
Thus, we have: Shorter leg: $x$Opposite the $60^{\circ}$ angle: $x\sqrt{3}$ Hypotenuse: $2x$
Now, let's apply this ratio to solve for the variables in the given problem. We know that $x = y$ since they are equal in the problem.
Using the ratio of the sides, we have:$x\sqrt{3} = 12\sqrt{3}$ (opposite the $60^{\circ}$ angle is 12$\sqrt{3}$)$x = 2\sqrt{3}\cdot6$ (the hypotenuse is $2x = 12\sqrt{3}$)Simplifying, we have:$x = 12\sqrt{3}$
Therefore, $x=y=12\sqrt{3}$, which is our answer.
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Find the value of x.
x = ___
Please help! will make brainlist
Answer:
B'= ( -1, -3 ) D'= ( 3, -3 )
Step-by-step explanation:
Well we just divide the coordinates of each point by 3!
please awnwer this eeeeeeeeeeeeeeeeeeeeeeeeeee
Answer:
7,8.5
Step-by-step explanation:
Answer: First, take a picture that isn't blurry
Step-by-step explanation: Re-post so I can help Mr. or Ms. eeeeeeeeeeeeeeeeeeeeeeeeee
Can someone please answer and provide an explanation for these?
The measure of the indicated angles using available arc angles which subtends angles at the circumference are:
(5). ? = 103, (6). ? = 80°, (7). ? = 32°, and (8). ? = 110°
What is angle subtended by an arc at the centerThe angle subtended by an arc of a circle at it's center is twice the angle it substends anywhere on the circles circumference. Also the arc measure and the angle it subtends at the center of the circle are directly proportional.
So;
(5). m∠JBL + 92° = 180° {sum of opposite interior angles of a cyclic quadrilateral}
m∠JBL = 88°
arc angle (JK + LK) = 2(88)
arc angle JK = 176 - 70 = 106°
arc angle (JK + JB) = 2(?)
? = (106 + 100)/2
? = 103
(6). arc angle QR = 360° - are. QSR
arc angle QR = 360 - (80 + 120) = 160°
arc angle QR = 2(?)
? = 160/2
? = 80°
(7). arc angle GH = 2(m∠GFH)
m∠GFH = 116/2
m∠GFH = 58
m∠FGH = 90° {angle in a semi circle is a right angle}
? = 180 - (58 + 90)
? = 32°
(8). arc angle DCF = 360 - arc angle DEF
arc DCF = 360 - (68 + 72)
arc DCF = 220
arc DCF = 2(?)
? = 220/2
? = 110°
Therefore, the measure of the indicated angles using available arc angles which subtends angles at the circumference are: (5). ? = 103, (6). ? = 80°, (7). ? = 32°, and (8). ? = 110°
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Which expression is equivalent to
The equivalent expression to 4y²(6x³ + 4xy + 3y) is 24x³y² + 16xy³ + 12y³
Equivalent expressions:A mathematical expression made up of variables, coefficients, constants, and operations like addition, subtraction, multiplication, and division is called an algebraic expression.
In general, something is considered equal if two of them are the same. Similar to this, similar expressions in mathematics are those that hold true even when they appear to be different.
However, both forms provide the same outcome when the values are entered into the equation.
Here we have
4y²(6x³ + 4xy + 3y)
Simplify the given expression as follows
=> 24x³y² + 16xy³ + 12y³
Therefore,
The equivalent expression to 4y²(6x³ + 4xy + 3y) is 24x³y² + 16xy³ + 12y³
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24. This week, Cristina eamed P594.65 from selling burgers for 35 days. How much he will earn in 5 days?
A. P84.95
B. P94.95
C. P104.95
D. P114.95
25. You have four quizzes in your math subject in a quarter. You got 88.75 for the first quiz, 85.5, 90.5, and 87.25 in the second, third and fourth quizzes, respectively. What is your average in the four quizzes this quarter?
A. 86.5
B. 88
C. 89.5
D. 90 26. Amberich put P580.00 into a savings account for one year. The rate of interest on the account was 6.5%. How much was the interest for one year in pesos and centavos?
A. P67.70
B. P37.70
C. P57.70
D. P17.70
24. This week , Cristina eamed P594.65 from selling burgers for 35 days . How much he will earn in 5 days ?
A. P84.95
B. P94.95
C. P104.95
D. P114.95
25. You have four quizzes in your math subject in a quarter . You got 88.75 for the first quiz , 85.5 , 90.5 , and 87.25 in the second , third and fourth quizzes , respectively . What is your average in the four quizzes this quarter ?
A. 86.5
B. 88
C. 89.5
D. 90
26. Amberich put P580.00 into a savings account for one year . The rate of interest on the account was 6.5 % . How much was the interest for one year in pesos and centavos ?
A. P67.70
B. P37.70
C. P57.70
D. P17.70
Question 24 :
P594.65 : 35 days
P594.65/7 : 35/7 days
P84.95 : 5 days
⇒ A. P84.95
Question 25 :
88.75 + 85.5 + 90.5 + 87.25 / 4
352/4
88
⇒ B. 88
Question 26 :
I = P × r × t
I = 580.00 × 0.065 × 1
I = P37.70
⇒ B. P37.70
Un coche tarda 12 minutos en dar la vuelta a un circuito si va a una velocidad de 80 km/h. Cuánto tiempo tardara en recorrer el mismo circuito si va a una velocidad de 100 km/h?
A sample of matter experiences a decrease in average kinetic energy as it continues to cool. One would anticipate that the particles will eventually come to a complete stop. The temperature at which particles should theoretically stop moving is absolute zero. Thus, option B is correct.
What theory directly contradicts concept of absolute zero?
All molecules are predicted to have zero kinetic energy and, as a result, no molecular motion at absolute zero (273.15°C). Zero is a hypothetical value (it has never been reached).
Absolute zero signifies that there is no kinetic energy involved in random motion. A substance's atoms don't move relative to one another.
Therefore, Kinetic energy because it can create heat which goes against the absolute zero. A gas molecule's kinetic energy tends to zero when the temperature reaches absolute zero.
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Single post math redo question
Answer:
See attached graph
Step-by-step explanation:
We need to convert the polar coordinates into Cartesian coordinates using the rules \(x=r\:cos\theta\) and \(y=r\:sin\theta\) (see table in attached file).
The converted points will start to resemble a circle with a horizontal pole and a diameter of 4, so by connecting the points, we get our equation \(r=4\:cos\theta\).
Which is the simplified form of m ^-8 p^0
Answer:
Step-by-step explanation:
m−^8p^0
=1/m^8
2. (7 points) If f(x) = -5 cosx+xtanx, find df and evaluate if x = pi/4 and dx = 1/24
The value of df, when x = π/4 and dx = 1/24, is (-5π - 5√2)/(96√2).
To find the derivative of the function f(x) = -5cos(x) + xtan(x), we'll use the sum and product rules of differentiation. Let's start by finding df/dx.
Apply the product rule:
Let u(x) = -5cos(x) and v(x) = xtan(x).
Then, the product rule states that (uv)' = u'v + uv'.
Derivative of u(x):
u'(x) = d/dx[-5cos(x)] = -5 * d/dx[cos(x)] = 5sin(x) [Using the chain rule]
Derivative of v(x):
v'(x) = d/dx[xtan(x)] = x * d/dx[tan(x)] + tan(x) * d/dx[x] [Using the product rule]
= x * sec^2(x) + tan(x) [Using the derivative of tan(x) = sec^2(x)]
Applying the product rule:
(uv)' = (5sin(x))(xtan(x)) + (-5cos(x))(x * sec^2(x) + tan(x))
= 5xsin(x)tan(x) - 5xcos(x)sec^2(x) - 5cos(x)tan(x)
Simplify the expression:
df/dx = 5xsin(x)tan(x) - 5xcos(x)sec^2(x) - 5cos(x)tan(x)
Now, we need to evaluate df/dx at x = π/4 and dx = 1/24.
Substitute x = π/4 into the derivative expression:
df/dx = 5(π/4)sin(π/4)tan(π/4) - 5(π/4)cos(π/4)sec^2(π/4) - 5cos(π/4)tan(π/4)
Simplify the trigonometric values:
sin(π/4) = cos(π/4) = 1/√2
tan(π/4) = 1
sec(π/4) = √2
Substituting these values:
df/dx = 5(π/4)(1/√2)(1)(1) - 5(π/4)(1/√2)(√2)^2 - 5(1/√2)(1)
Simplifying further:
df/dx = 5(π/4)(1/√2) - 5(π/4)(1/√2)(2) - 5(1/√2)
= (5π/4√2) - (10π/4√2) - (5/√2)
= (5π - 10π - 5√2)/(4√2)
= (-5π - 5√2)/(4√2)
= (-5π - 5√2)/(4√2)
Now, to evaluate df/dx when dx = 1/24, we'll multiply the derivative by the given value:
df = (-5π - 5√2)/(4√2) * (1/24)
= (-5π - 5√2)/(96√2)
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Christine had 157 dollars to begin with. She just spent k dollars. Using k write an expression for the number of dollars she has left.
Answer:
157 - k = (However much she has left)
Step-by-step explanation:
Answer:
See Explanation
Step-by-step explanation:
157 --> Base number
k --> how much money was spent
x --> money left over
157-k=x
To indirectly measure the distance across a river, Carson stands on one side of the river and uses sight- lines to landmark on the opposite bank. Carson draws the diagram below to show the lengths and angles that he measured. Find PR, the distance across the river. Round your answer to the nearest foot.
The value of the distance across the sea is 302 feet
What is an equation?An equation consists of numbers and variables linked together by mathematical operations to form an expression.
Two triangles are said to be similar if the ratio of their corresponding sides are in the same proportion.
Triangle PRE and triangle POC are similar triangles based on the angle - angle similarity. Hence:
PR / PO = RE/OC
substituting:
x/ (x + 135) = 185 / 335
335x = 185x + 45225
150x = 45225
x = 302 feet
The value of PR is 302 feet
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Select the correct answer.
A figure shows the inscribed triangle ABC with center point O which bisects BO. An angle of C is 50 degrees.
In the diagram,
is a diameter of the circle with center O. If m∠
= 50°, what is m∠
?
A.
50°
B.
40°
C.
80°
D.
100°
Reset Next
Answer: C
Step-by-step explanation:
Find the output, y, when the input, x, is -9.
y =
Answer:
when x=-9, y=1
Step-by-step explanation:
the graph shows when the x is at -9, the y is at 1
Peyton is a salesperson who sells computers at an electronics store. She makes a base pay amount of $60 per day regardless of sales and she earns a commission of 2.5% of the dollar amount of all sales that she makes. Write an equation for
�
,
P, in terms of
�
,
x, representing Peyton's total pay on a day on which she sells
�
x dollars worth of computers.
The linear function representing Peyton's total pay on a day on which she sells x dollars worth of computers is given as follows:
P(x) = 0.025x + 60.
How to define a linear function?The slope-intercept definition of a linear function is given as follows:
y = mx + b.
In which:
The slope m represents the rate of change.The intercept b represents the value of y when x = 0.The slope and the intercept for this problem are given as follows:
m = 0.025, as for each dollar of computer sold, she earns a commission of 2.5% = 0.025.b = 60 -> fixed pay.Hence the function is given as follows:
P(x) = 0.025x + 60.
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determine the unknown values R and W in the figure below
Answer:
\(0.8 = \frac{24}{x} \\ x = 24 \div 0.8 \\ = 30 \\ 0.5 =30 \div y \\ y = 30 \div 0.5 \\ = 60\)
PLEASE HURRY AND HELP I WILL GIVE BRAINLIEST AND 5 STARS
Square A is dilated by a scale factor of 1/2 making a new square F (not shown). Which square above would have the same area as square F?
a. Square B
b .Square C
c. Square D
d. Square E
Square abοve wοuld have the same area as square F is b)square C.
What is area?The regiοn that an οbject's shape defines as its area. The area οf a figure οr any οther twο-dimensiοnal geοmetric shape in a plane is hοw much space it οccupies.
Here the square A is cοntains 4- 1 unit squares.
Then length οf the square = 2 units,
If Square A is dilated by scale factοr 1/2 then,
Length οf square F = \(2\times \frac{1}{2}\) = 1unit.
Area οf square F = 1*1 = 1 square unit.
Then in the given squares , square C οnly has 1 unit side length.
Hence the cοrrect οptiοn is b) Square C.
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How many lines of symmetry does the figure below have?
Answer:
C
Step-by-step explanation:
there are 4 of the exact same line going in 4 directions
if instead the triangle on the left had the same area as the circle on the right
If the triangle on the left had the same area as the circle on the right, it would require more resources and potentially be more unstable than the current configuration.
If the triangle on the left had the same area as the circle on the right, it would mean that the triangle would have to be larger than its current size. This is because the area of a circle is determined by the formula A=πr^2, where r is the radius of the circle.
Therefore, if the area of the circle is equal to the area of the triangle, the radius of the circle would have to be equal to the height of the triangle, and the base of the triangle would need to be wider.
This would result in a larger triangle with a greater surface area than the current triangle. The larger triangle would also have a longer perimeter, which would make it more difficult to enclose and would require more material to construct.
Additionally, the larger triangle would have a higher center of gravity, which could make it more difficult to balance and more prone to tipping over.
Overall, if the triangle on the left had the same area as the circle on the right, it would require more resources and potentially be more unstable than the current configuration.
It is important to consider both the area and the shape of an object when determining its practicality and effectiveness in a given situation.
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There's another silence as Steve looks toward the crowd and then toward Tommy. He wears a tight grin.
STEVE
Based on the clues in this passage, what will most likely happen next?
• The neighbors will stop doubting Tommy.
Well, I guess what we'd better do then is to run a check on the neighborhood and see which ones of us are really human.
• The neighbors will stop taking Steve seriously.
• The neighbors will continue to joke about the situation.
There's laughter at this, but it's a laughter that comes
from a desperate attempt to lighten the atmosphere. It's a • The neighbors will begin checking to see who is release kind of laugh.
really human.
36. GROUP SHOT - THE PEOPLE 36.
As they look at one another in the middle of their laughter.
-The Monsters Are Due on Maple Street,
Rod Serling
Answer:
5
Step-by-step explanation:
HELP ME PLAESE I HAVE ASKED THE QUESTION LIKE 5000000 TIMES AND HAVE USED UP ALL MY POINTS, THE LEAST SOMEONE CAN DO IS JUST TRY PLSSSSS
Will choose brainliest :)
Answer:
try c.
Step-by-step explanation:
i hope this is the answer, good luck!
If triangles ABC and DEF are similar, what is y? Show your work.
The value of y is 18
What are similar triangles?Similar triangles have the same corresponding angle measures and proportional side lengths. The angles of the two triangle must be equal and it not necessary they have equal sides.
Therefore the corresponding angles of similar triangles are congruent and the ratio of corresponding sides of similar triangles are equal.
Therefore;
14/21 = 12/y
14y = 21 × 12
14y = 252
divide both sides by 14
y = 252/14
y = 18
Therefore the value of y is 18.
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3/5=x/11 solve for x give your answer as an improper fraction in its simplest form
Answer:
3/5=x/11.
If you cross multiply it will be 11×3=5×x...which is 33=5x which is x=33/5...... since it can't be cut into its simplest form then this is the answer....
Which graph represents the solution set for –x2 + 8x – 12 > 0?
The graph of the quadratic inequality -x² + 8x - 12 > 0 is attached below
Graph of Quadratic InequalityA quadratic inequality of the form y > ax² + bx + c (or substitute <,≥ or ≤ for >) represents a region of the plane bounded by a parabola .
To graph a quadratic inequality, start by graphing the parabola. Then fill in the region either above or below it, depending on the inequality.
If the inequality symbol is ≤ or ≥ , then the region includes the parabola, so it should be graphed with a solid line.
Otherwise, if the inequality symbol is < or > , the parabola should be drawn with a dotted line to indicate that the region does not include its boundary.
In the question given, we have a quadratic inequality
-x² + 8x - 12 > 0
Using a graphing calculator to solve this;
Kindly find attached graph below
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Answer: b.
look at my picture.
Step-by-step explanation: