Answers
To balanced hanger, adding a circle to the left and a square to the right. To both sides, add two triangles. The option 1, 2, and 5 are correct.
What is balanced hanger?
Because each side of the hanger is evenly spaced from the center and has a same amount of overall weight, they are balanced against one another. During the warm-up, students come across two real hangers—one is balanced and the other is slanted—and they observe and consider what might have caused the hangers' appearance.Adding two circles to the left side and a square to the right would adjust the hanger's balance in accordance with the lesson's emphasis on maintaining the equation in balance.
adding a circle to the left and a square to the right. To both sides, add two triangles.
Hence the option 1, 2, and 5 are correct.
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Related Questions
8 + (-3) +15 - (-40)
Answers
8 - 58
= - 50
hope this helps !
Find x if AC= 17, BD = 2x - 6, AD= x + 16, and BC = 6
Answers
Answer:
Hey, hope it helps my friend
Step-by-step explanation:
In the image
jake's on 49 tickets to the school are, and jeans sold 12 tickets. what is the ratio, in simplest form, of the number of tickets jeans sold to the number of tickets jake sold?
Answers
The ratio in simplest form, of the number of tickets jeans sold to the number of tickets jake sold is 12/49.
Given that,
Jake sold 49 tickets while jeans sold 12 for the school.
In simplest form the ratio of the given case will be;
Simplest form:
A fraction is a number that falls between the whole numbers but is not a whole number. It belongs to the entire. A fraction also consists of a denominator and a numerator. We obtain the fraction in its simplest form when both the numerator and denominator can no longer be independently reduced to any smaller integer.
The ratio we get;
→ 12/49
The ratio in simplest form, of the number of tickets jeans sold to the number of tickets jake sold is 12/49.
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On Friday night, Clara ate a pizza for dinner and had 1/5 of the pizza left over. On Saturday, she ate 2/3 of what was left. How much of the pizza did Clara eat on Saturday? Write your answer as a fraction or as a whole or mixed number.
Answers
Answer:
Clara ate 2/15
Step-by-step explanation:
1/5 equals 3/15
a rectangular lot is to be bounded by a fence on three sides and by a wall on the fourth side. two kinds of fencing will be used with heavy duty fencing selling for $4 a foot on the side opposite the wall. the two remaining sides will use standard fencing selling for $3 a foot. what are the dimensions of the rectangular plot of greatest area that can be fenced in at a cost of $6600?
Answers
An area 825 by 550 ft gives max area for $6600.
What is the area of rectangle?Any shape's area can be calculated by counting how many unit squares will fit inside of it.A square with a side of 1 unit is referred to as a unit square in this context. Therefore, the quantity of unit squares that make up a rectangle's perimeter is its area. Alternately, the area of the rectangle is the area contained within the boundary of this shape. The unit-length tiles in your home are a good illustration of a rectangle form. By counting the number of tiles, you can quickly determine how much space the floor takes up. This will also enable you to calculate the rectangle floor's area.acc to our question-
he perimeterP = L + 2WThe cost4L + 3(2W) = $66004L + 6W = $66004L = (6600-6W)divide both sides by 4L = 1650 - 1.5WReplace L with (1650-1.5w)A = W(1650-1.5W)A quadratic equationA = -1.5w^2 + 1650wFind the axis of symmetry: x = -b/(2a); In this equation: a=-1.5; b=1650w = %28-1650%29%2F%282%2A-1.5%29w = +550 ft is the widthfind the lengthL = 1650 - 1.5(550)L = 825 ft is the lengthhence, 3300 + 3300 = $6600
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regression analysis is a statistical procedure for developing a mathematical equation that describes how . a. none of the answers is correct b. one dependent and one or more independent variables are related c. several independent and several dependent variables are related d. one independent and one or more dependent variables are related
Answers
In regression analysis, there is one dependent variable and there can be one or more independent variables among which a relationship has to be established.
Given that;
Regression analysis is a statistical procedure for developing a mathematical equation that describes;
Finding the variables that have an effect on an interest issue can be done with accuracy using regression analysis. You can confidently establish which elements are most important, which ones can be ignored, and how these factors interact when you do a regression. You must specify a dependent variable that you believe is influenced by one or more independent variables before you can do a regression analysis.
The next step is to create an extensive dataset to work with. A great technique to create this dataset is by sending surveys to your target audiences. Questions covering each of the independent variables in which you are interested should be included in your survey.
Hence, Regression analysis requires establishing a link between one or more independent variables and one dependent variable.
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Noah went into a movie theater and bought 9 drinks and 4 candies, costing a total of $60. Nachelle went into the same movie theater and bought 10 drinks and 2 candies, costing a total of $57.50. Determine the price of each drink and the price of each candy.
Answers
Answer:
See below.
Step-by-step explanation:
Let the price of drinks be x and the price of candies be y.
Condition # 1:9x + 4y = 60 --------------------(1)
Condition # 2:10x + 2y = 57.50 --------------(2)
Multiply Eq. (2) by 22(10x + 2y) = 57.50*2
20x + 4y = 115 --------------(3)
Subtract Eq. (3) from (1)9x + 4y - 20x - 4y = 60 - 115
9x - 20x = -55
-11x = -55
11x = 55
Divide both sides by 11x = 55/11
x = $5Put x = 5 in Eq. (1)
9(5) + 4y = 60
45 + 4y = 60
Subtract 45 to both sides4y = 60 - 45
4y = 15
Divide both sides by 4y = 15/4
y = $3.75So, the cost of one drink is $5 and the cost of one candy is $3.75.
[tex]\rule[225]{225}{2}[/tex]
a simple random sample is group of answer choices a sample that gives every possible sample of the same size from the same population the same chance to be selected. a sample that selects equal numbers of individuals from each stratum. any sample that gives every individual the same chance to be selected. a sample that contains the same percent of each subgroup in the population. any sample that is selected without replacement.
Answers
It is also called as Random Sample experiment.
What is random sample experiment?Random assignment is a technique used in experimental research to divide individuals from your sample into several groups using randomness.With this approach, each sample participant has a known or equal chance of being assigned to either the experimental group or the control group.In an experiment, random assignment and random selection are both possible. Imagine that 500 people are randomly chosen from a population to take part in your study.A subset of a statistical population called a simple random sample is one in which each member has an equal chance of being chosen. A straightforward random sample is intended to be an objective depiction of a group.Hence, it is an random experiment.
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what is 5/2x + 1/2x = 9 + 7/2
Answers
Answer: x = 25/6
Step-by-step explanation: yes
Answer: x=25/6
Step-by-step explanation:
combine multiplied terms into 1 fraction
5/2*+1/2x=9+7/2
5x/2+1/2x=9+7/2
combine
5x/2+1/2x=9+7/2
5x/2+1x/2=9+7/2
multiply by 1
5x/2+1x/2=9+7/2
5x/2+x/2=9+7/2
Change the standard form equation y=x^2-4x+9 to vertex form by completing the square.
Answers
Add 4 to the equation, maintaining balance as follows:
y=x^2-4x+4+9-4
Simplify the first 3 terms(x^2-4x+4) of the equation to
(x-2)^2 by completing the square and the last 2 terms(9-4) to 5
Your final simplified equation in vertex form by completing the square is y=(x-2)^2+5
use the following to answer the next 2 questions. solar-heat installations successfully reduce the utility bill 60% of the time. suppose 10 houses with solar-heat installations are selected at random and the outcome between houses is independent. suppose x is the number of houses that successfully reduced the utility bill out of the 10. 14. which discrete distribution will appropriately model x? explain. binomial 15. what is the probability that at least 9 out of 10 solar-heat installations are successful and will reduce the utility bill? a. 0.0464 b. 0.9432 c. 0.0403 d. 0.8429
Answers
The probability that at least 9 out of 10 solar-heat installations will succeed and reduce the utility bill is 0.0464.
What is a binomial distribution?
The probability distribution known as the binomial distribution, which is used in statistics, quantifies the chances that a value will take one of two independent values given a particular set of conditions or hypotheses.
Formula to calculate the binomial distribution
P(X = x) =ⁿCₓ× pˣ×(1-p)ⁿ⁻ˣ
Here, we know that
Solar-heat installations successfully reduce the utility bill 60% of the time.
We have to calculate the probability that at least 9 out of 10 solar-heat installations will succeed and reduce the utility bill.
We have 60% = 0.6 = p and n = 10.
We have a binomial distribution: X : (10, 0.6).
We use the binomial distribution formula to calculate the probability
P(X = x) =ⁿCₓ× pˣ×(1-p)ⁿ⁻ˣ, we get
P(x ≥ 9) = 1 - P(x < 9)
P(x ≥ 9) = 1 - P(x ≤ 8)
P(x ≥ 9) = 1 - ∑⁸₀ P(x = x)
P(X ≥ 9) = 1 - ∑⁸₀¹⁰Cₓ × (0.6)ˣ × (1-0.6)¹⁰⁻ˣ
P(X ≥ 9) = 1 -( 0.00011 + 0.00157 + 0.01062 + 0.04247 + 0.11148 + 0.20066 + 0.25082 + 0.21499 + 0.12093)
P(X ≥ 9) = 1 -0.95365
P(X ≥ 9) = 0.04635
Hence, the probability that at least 9 out of 10 solar-heat installations will succeed and reduce the utility bill is 0.0464.
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(a) Annie and Dermot share $600 in the ratio 11:9.
(i) Show that Annie receives $330.
Answers
Ratio of amount $600 share by Annie and Dermot is 11 : 9, then amount received by Annie is $330 and Dermot is $270.
As given in the question,
Total amount share by Annie and Dermot is $600.
Ratio of amount share by Annie and Dermot is 11 : 9
Let x be the amount of money.
11x + 9x = $600
⇒ 20x = $600
⇒20x/20 = $600/20
⇒x= $30
Amount received by Annie is equal to
= 11 × 30
= $330
Amount received by Dermot is equal to
= 9 × 30
= $270
Therefore, ratio of amount $600 share by Annie and Dermot is 11 : 9, then amount received by Annie is $330 and Dermot is $270.
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Use the diagram and the given angle measure to find the other three angle measures
Answers
By using the diagram and the given angle measure we get that:
if, m∠1 = 143°
then, m∠2 = 37°
m∠3 = 143°
m∠4 = 37°
What is angles?
An angle is formed when two straight lines or rays meet at a common endpoint.
What is Properties of Congruence?
Reflexive Property:For all angles A ,
∠A≅∠A .
An angle is congruent to itself.
Symmetric Property:For any angles A and B ,
if ∠A≅∠B , then ∠B≅∠A .
Order of congruence does not matter.
Transitive Property:For any angles A,B, and C ,
if ∠A≅∠B and ∠B≅∠C , then ∠A≅∠C .
If two angles are both congruent to a third angle, then the first two angles are also congruent.
I assume that, this refers to two intersecting lines which form four angles.
∠1 and ∠2 are supplementary angles whose sum is 180°.∠1 + ∠2 = 180°
143° + ∠2 = 180°
∠2 = 180° - 143°
∠2 = 37°.
∠1 and ∠3 are vertical angles so do with ∠2 and ∠4.Therefore, it is easy to find their measures because vertical angles are congruent in measure.It means that, ∠1 = ∠3 =143° (properties of congruency)
and ∠2 = ∠4 =37° (properties of congruency).
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By the triangle sum theorem, the sum of the angles in a triangle is equal to Response area. Therefore, m∠A+m∠B+m∠C=180°. Using the Substitution Property, (4x)°+90°+(x+10)°=180°. To solve for x, first combine like terms to get 5x + 100 = 180. Using the Response area, 5x = 80. Then, using the division property of equality, x = 16. To find the measure of angle A, use the Response area to get m∠A=4(16)°. Finally, simplifying the expression gets m∠A=64°.
Answers
The required measure of the angle is m∠A=64°.
orientation of one line with respect to the horizontal or other respective line is known as a measure of orientation and this measure is known as the angle.
,
Here,
Angles are represented by an algebraic expression, and the sum of the angle is 180°.
According to the question,
m∠A+m∠B+m∠C=180°
Substitute the value in the equation,
4x+90°+x+10=180°
5x = 180 - 100
5x = 80
x = 16°
Thus, the required measure of the angle is m∠A=64°.
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subtract 2w+4 from 2w-6 show your work
Answers
Answer:
10
Step-by-step explanation:
(2w + 4) - (2w - 6)
2w + 4 - 2w + 6
2w - 2w + 4 + 6
10
I hope this helps!
An ocicat eats $\frac 35$ of a pound of food daily. How many whole ocicats can a $19\frac 12$-pound bag of food feed for one week?
Answers
Number of ocicats that [tex]19\frac{1}{2}[/tex] food will last for one week is 4 .
In the question ,
it is given that
the amount of food that the ocicat eats in 1 day = 3/5 pound
So , the amount of food that the ocicat eats in 1 week = (3/5) × 7 = 21/5
we have to find the number of ocicat that can eat [tex]19\frac{1}{2}[/tex] pound of food feed .
So ,
the number of ocicat that can eat [tex]19\frac{1}{2}[/tex] pound of food feed = [tex]19\frac{1}{2}[/tex] ÷ 21/5
= (19*2+1)/2 ÷ 21/5
= 39/2 × 5/21
= (39 × 5)/(2 × 21)
= 195/42
= 65/14
= [tex]4\frac{9}{14}[/tex] ocicats
since the number of ocicats cannot be in fraction ,
so number of ocicats = 4
Therefore , Number of ocicats that [tex]19\frac{1}{2}[/tex] food will last for one week is 4 .
The given question is incomplete , the complete question is
An ocicat eats 3/5 of a pound of food daily. How many whole ocicats can a [tex]19\frac{1}{2}[/tex] -pound bag of food feed for one week?
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I need help to solve this please!!
Answers
Answer:
Adult is 10$ and Child is 7$.
Unfortunately for the family, they do not have enough to go to the theater. They do not have that extra dollar.
Hope this helps!
Step-by-step explanation:
2x + 4y = 48
5x + 2y = 64
2x + 4y = 48
10x + 4y = 128
( 10x - 2x ) + ( 4y - 4y ) = ( 128 - 48 )
8x = 80
x = 10
2 ( 10 ) + 4y = 48
20 + 4y = 48
4y = 48 - 20
4y = 28
y = 7
What is the inequality of the graph below?
Answers
Answer:
it should be the first one, if not it’s the third
Step-by-step explanation:
ABCD is a quadrilateral.
Work out the length of BC.
Give your answer correct to
1 decimal place.
Optional working
Ansv
+
cm
B,
7.5 cm
A
5 cm
38°
D
13 cm
Answers
A quadrilateral is a polygon with four sides, the length of BC for the given quadrilateral will be 8.1.
What is quadrilateral?A quadrilateral is a geometrical 2d shape in which there are four sides and each side is connected and makes a close polygon.
In other meaning, a quadrilateral is a kind of polygon in which four sides, for example, rectangle, square, and parallelogram are quadrilateral.
As per the give quadrilateral,
In triangle ACD.
Apply Pythagoras' theorem,
BD = √(5²+7.5²) = 9.0123
In triangle BDC by cosine law,
Cos38° = ((DB)²+(DC)² - (BC)²)/(2×DB×DC)
Cos38° = (9.0123²+13²- (BC)²)/(2×9.0123×13)
Cos38° = (250.25- (BC)²)/(234.32)
(250.25- (BC)²) = 184.646
(BC)² = 65.60
BC = 8.1
Hence, "A quadrilateral is a polygon with four sides, the length of BC for the given quadrilateral will be 8.1".
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Complete question attached below ;
which are the solutions of x2= -5x +8
Answers
The total weekly profit p, in dollars, from producing and selling x units of a certain product is given by the
function p(x) = 225x-(165x+c), where c is a constant. If 75 units were produced and sold last week for a profit
of $3,365, what is the value of c?
-1,135
Answers
Step-by-step explanation:
The total weekly profit p, in dollars, from producing and selling x units of a certain product is given by the function p(x) = 225x-(165x+c), where c is a constant. If 75 units were produced and sold last week for a profit of $3,365, what is the value of c?
$3,365 = 225(75) - (165(75) + c)
$3,365 = 16,875 - 165(75) - c
$3,365 = 16,875 - 12,375 - c
$3,365 = 4,500 - c
=1,135 = - c
c = 1,135
NEED HELP WRITING THE EQUATION!!!
Answers
The equation of line with undefined slope and passes through the point
(1/2, 5) will be;
⇒ x = 1/2
What is Equation of line?
The equation of line in point-slope form passing through the points
(x₁ , y₁) and (x₂, y₂) with slope m is defined as;
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
The point = (1/2 , 5)
And, The slope = undefined
Now,
Since, We know that;
The equation of line with undefined slope and passes through the point will be;
⇒ x = a
Where, 'a' is the x - intercept.
Here, The point = (1/2 , 5)
The slope = undefined
And, The x - intercept = 1/2
So, The equation of line with undefined slope and passes through the point (1/2, 5) will be;
⇒ x = 1/2
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Tank B is 60% full of water. It requires an additional 2800 litres of water to be full. How many litres of water fills tank B?
Answers
A cell phone provider offers a plan that costs 40$ per month plus 0.10$ per text message sent or received. A comparable plan costs 50$ per month but offers unlimited text messaging. Complete parts a. and b. below.
a. How many text messages would have to be sent or received in order for the plans to cost the same each month?
In order for the plans to cost the same,
enter your response here text messages would have to be sent or received.
(Simplify your answer. Type an integer or a decimal.)
Answers
answer:
100 text messages.
$50-$40 = $10
$10/$0.1 = 100
100 text messages
Simplify: 5-(x-4)
A.-x + 9
B.-x- 7
C.x+4
D.-x-4
Answers
⇒ [tex]=5-(x)-(-4)\\=5-x+4\\=-x+5+4\\=-x+9[/tex]
⇒Note the negative sign has to multiply every term in the brackets!
Option A is the answer
5. (x+3)(x-3)+(x-3)²
Simplify the expression above in standard form.
Answers
Answer: 2x^2 -6x
Step-by-step explanation:
First you should distribute the x's as shown:
(x)(x)+(x)(−3)+(3)(x)+(3)(−3)+x2+−6x+9=x2+−3x+3x+−9+x2+−6x+9
Then combine Like terms:
↓x2+−3x+3x+−9+x2+−6x+9=↓
↓(x2+x2)+(−3x+3x+−6x)+(−9+9)↓
2x2+−6x
Hope this helped... :)
For a ride on a rental scooter, Eric paid an $8 fee to start the scooter plus 6 cents per minute of the ride. The total bill for Eric's ride was $17.84. For how many
minutes did Eric ride the scooter?
minutes
Answers
Answer:
164 minutes
Step-by-step explanation:
$8 + $0.06m = $17.84
To isolate the m, first bring the eight to the other side
0.06m = 9.84
then divide both sides by 0.06
m = 164
3x - 2 when x=4
please be quickkkkkkkk
Answers
Answer:
10
Step-by-step explanation:
substitute x = 4 into the expression
3x - 2 = 3(4) - 2 = 12 - 2 = 10
Answer: 10
Step-by-step explanation:
4 × 3 = 12
12 - 2= 19
Hope it helps
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Answers
The value of function is positive so the function have maximum value 30 at x=3.
In the given question we have to find the maximum or the minimum value of a function.
The given function is
f(x) = -3x^2+18x+3
To find the maximum or minimum value we firstly find the value of f'(x).
f'(x) = -6x+18
Now put f'(x)=0
-6x+18=0
Subtract 18 on both side we get
-6x=-18
Divide by -6 on both side we get
x = 3
Now finding the value of function at x=3
f(3)= -3*(3)^2+18*3+3
f(3)= -3*9+54+3
f(3)= -27+54+3
f(3)= 30
Since the value of function is positive so the function have maximum value 30 at x=3.
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Use the method of adding y-coordinates to graph the function.
f(x) = 3x - sin 4x
Answers
Graph of f(x) = 3x - sin 4x is using method of adding y-coordinates is attached below.
What is graphing method by adding ordinates?
The function y = 3x - sin 4x is actually the sum of two functions, y = 3x and y = - sin 4x.
For every value in the domain, there is a corresponding value in the range so that the point (x, 3x - sin 4x) is on the graph of y = 3x - sin 4x.
According to the given question:
Follow these steps to graphing the function:
1. Open an Excel file. Label the first column "x-coordinates," the second column "y = 3x," the third column "y = -sin 4x," and the fourth column "y = 3x - sin 4x." Set each column to round to four decimal places.
2. Set up the first column to range from -2pi to 2pi by intervals of pi/4.
3. Fill in the second and third columns by utilizing the equations y = 3x and y = - sin 4x, respectively.
4. Fill in the fourth column by simply adding the second and third columns.
5. Graph y = 3x - sin 4x by using the x-coordinates from column A and the y-coordinates from column D.
Check the attachment below for the required graph obtained after plotting the points.
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