WILL MARK BRAINLEST
Examine the algebra tiles.
Which equation is being modeled?
4x + 3 = 4x + 5
–3x + (–3) = 4x + 5
4x + (–3) = 5x + 4
–3x + 4 = 5x + 4
Answer:
3rd one
Step-by-step explanation:
Answer:
4x + (–3) = 5x + 4
Step-by-step explanation:
right on edge
Need Help You Can Get 35 point!!!
The width of a rectangular field is represented by x meters. The length of the field is 10 more than twice its width . The area of the field is 5500m^2
Part A
Write an equation that can be used to determine the dimensions, in meters, of the field.
Part B
What is the width, in meters, of the field?
The width is ( ) meters.
Part A: The equation that can be used to determine the dimensions, in meters, of the field is 5500 = 2x² + 10x
Part B: width is 50 meters.
How to determine the valueThe formula for calculating the area of a rectangle is expressed with the equation;
A = lw
Such that the variables are expressed as;
A is the areal is the lengthw is the widthWe then have that;
l = 2x + 10
Substitute the values
5500 = (2x + 10)(x)
expand the bracket
5500 = 2x² + 10x
2x² + 10x - 5500
x² + 5x - 2750
x² + 55x - 50x - 2750
x(x + 55) - 50(x + 55)
x = 50 meters
Length = 2(50) + 10
Length = 100 + 10 = 110 meters
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wants to tile the surface of a rectangular storage case that is inches long, inches wide, and inches tall. If he uses all green tiles, how many tiles will he need?
The surface area of the rectangular prism is 396 square inches
He will need 504 tlles
What is the surface area of the rectangular prism?From the question, we have the following parameters that can be used in our computation:
7 in by 12 in by 6 in
The surface area of the rectangular prism is calculated as
Area = 2 * (7 * 12 + 7 * 6 + 12 * 6)
Evaluate
Area = 396
Hence, the area is 396 square inches
The number of tiles is 7 * 12 * 6 = 504
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Question
wants to tile the surface of a rectangular storage case that is 7 inches long, 12 inches wide, and 6 inches tall. If he uses all green tiles, how many tiles will he need?
Find four rational numbers between
−6/7 and 9/14
Answer:-5/7,-4/7,-3/7,-2/7
Step-by-step explanation:
2 Latoya has 60 CDs in her collection.
• 40 are Pop
. 12 are Country
• 6 are Rock
• 2 are Jazz
.
If she randomly selects a CD from her collection, what is the probability that she will NOT select a Country CD?
60 cds - 12 country = 48 cds are not country.
probability of picking one that is not country = total of non country/ total cds
probability = 48/60 which reduces to 4/5
answer: 4/5
I need the answer fast psl
Answer:
I think Ordered Pair
Step-by-step explanation:
Focus Question #4 + Rita can choose from 2 membership options at a movie rental store. Option A has a yearly fee of $40 and every movie rental costs $3. Option B has a yearly fee of $150 for unlimited movie rentals at no additional cost. How many movies would Rita need to rent in order for Option B to be cheaper than Option A?
Rita would need to rent at least 37 movies in a year for Option B to be cheaper than Option A.
To determine the number of movies Rita would need to rent for Option B to be cheaper than Option A, we can set up an equation and solve for the unknown variable.
Let's assume Rita rents "x" number of movies in a year.
For Option A:
Yearly fee = $40
Cost per movie rental = $3
Total cost for Option A = Yearly fee + (Cost per movie rental * Number of movie rentals)
Total cost for Option A = $40 + ($3 * x) = $40 + $3x
For Option B:
Yearly fee = $150
Cost per movie rental = $0 (unlimited movie rentals)
Total cost for Option B = Yearly fee + (Cost per movie rental * Number of movie rentals)
Total cost for Option B = $150 + ($0 * x) = $150
We want to find the number of movies (x) at which Option B becomes cheaper than Option A. So we can set up the inequality:
$150 < $40 + $3x
Now, we can solve the inequality:
$150 - $40 < $3x
$110 < $3x
Dividing both sides of the inequality by $3:
($110 / $3) < ($3x / $3)
Approximately 36.67 < x
Since the number of movies must be a whole number, we round up to the nearest whole number:
x ≥ 37
Therefore, Rita would need to rent at least 37 movies in a year for Option B to be cheaper than Option A.
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Leah works at an appliance store. She recorded her recent sales.
washing machines 3
dishwashers 1
ovens 6
clothes dryers 5
What is the experimental probability that the next appliance Leah sells will be an oven?
6/15
you add everything she sells together. ( 3+1+6+5=15) Then you put the amount of ovens she sells above taht number, making it a fraction.
David invests $10,000 in a savings account that pays 3.5% simple interest. If David
makes no withdrawals or deposits to the account, how much will be in the
account after 7 years.
Answer:
David will have $12,450 if he makes no withdrawals.
A paper bag contains three1 dollar bills to five dollar bill six $10 bills and one $20 bill in army select and keep one bill for the bag find Lenaerts expect to gain
Answer: $1.69
Step-by-step explanation:
To find Lenaert's expected gain, we need to calculate the average value of a single bill if he selects and keeps one bill from the bag.
First, let's calculate the total value of all the bills in the bag:
3 x $1 = $3
5 x $5 = $25
6 x $10 = $60
1 x $20 = $20
Total value = $3 + $25 + $60 + $20 = $108
Now, let's calculate the probability of selecting each type of bill:
Probability of selecting a $1 bill = 3/15 = 0.2
Probability of selecting a $5 bill = 5/15 = 0.33
Probability of selecting a $10 bill = 6/15 = 0.4
Probability of selecting a $20 bill = 1/15 = 0.067
Finally, we can calculate the expected value of a single bill with the formula:
Expected value = (probability of selecting a bill) x (value of the bill)
So Lenaert's expected gain if he selects and keeps one bill from the bag is:
(0.2 x $1) + (0.33 x $5) + (0.4 x $10) + (0.067 x $20) = $1.69
Therefore, Lenaert can expect to gain an average of $1.69 if he selects and keeps one bill from the bag.
which is the experimental probability of choosing and I?
The experimental probability of choosing an I is given as follows:
3/25.
How to calculate a probability?The parameters that are needed to calculate a probability are given as follows:
Number of desired outcomes in the context of a problem/experiment.Number of total outcomes in the context of a problem/experiment.Then the probability is calculated as the division of the number of desired outcomes by the number of total outcomes.
The number of times that the letter I was chosen is given as follows:
30.
The total number of trials is given as follows:
62 + 44 + 30 + 76 + 38 = 250.
Hence the experimental probability of choosing an I is given as follows:
30/250 = 3/25.
Missing InformationThe graph is given by the image presented at the end of the answer.
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100 Points. Algebra question, photo attached. Graph the function. Describe its key characteristics. Thank you!
Answer:
Domain = (-∞, ∞) Range = (-∞, ∞)
End Behavior: As X -> -∞, Y -> -∞ | As X -> ∞, Y -> ∞
Inflection Point: (2,0)
Step-by-step explanation:
Two friends are playing with water balloons. They each start at the bucket of balloons and walk in opposite directions before tossing their balloons at each other. Joy walked 14 steps forward, and Shaunte walked 5 steps backwards. Which expression correctly represents the distance between the friends?
14 + (-5) = 9 represents the correct expression of the distance between the friends.
To find the distance between the friends, we need to add up the total distance they have walked in opposite directions. We can represent the distance Joy walked forward as 14, and the distance Shaunte walked backwards as -5 (since she walked in the opposite direction). Therefore, the expression that correctly represents the distance between the friends is:
14 + (-5) = 9
So the distance between the friends is 9 steps.
The method used to find the distance between the friends was to calculate the total distance that each person walked, and then add or subtract these distances depending on the direction they walked. This is an example of using vector addition and subtraction to find the net displacement between two objects. In this case, the net displacement is simply the distance between the friends.
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Help what is the product?
Answer:
(6 18)
Step-by-step explanation:
\((4 \: 2) \times \binom{ - 2 \: \: \: \: \: \: \: \:5 }{7 \: \: \: \: \: \: - 1} \\ \\ (4 \times - 2 + 2 \times 7 \: \: \: 4 \times 5 + 2 \times - 1) \\ \\ ( - 8 + 14 \: \: \: \: \: \: 20 - 2) \\ \\ (6 \: \: \: 18)\)
K
The table shows the fraction of the population in selected countries that used cell phones in a recent year. Complete
the table by writing each fraction as an equivalent fraction with a denominator of 100.
Country
Country A
Country B
Country C
Country D
Country E
Country F
Country G
Country H
Country I
Country J
Fraction of
Equivalent Fraction
Population Using Cell with a Denominator of
Phones
100
87
100
9
10
23
25
23
25
17
25
91
100
4
5
67
100
2
25
...
7
10
The solution is given below.
What is fraction?A fraction represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters.
here, we have,
from the given chart we get,
the solution is attached below.
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Answer 2 questions about Equations A and B 4x+2=6-x 5 x+2=6
6.1 Define the term inflation.
Answer:
the action of inflating something or the condition of being inflated.
"the inflation of a balloon"
ASTRONOMY
(in some theories of cosmology) a very brief exponential expansion of the universe postulated to have interrupted the standard linear expansion shortly after the Big Bang.
2.
ECONOMICS
a general increase in prices and fall in the purchasing value of money.
"policies aimed at controlling inflation"
The city of Raleigh has 10600 registered voters. There are two candidates for the city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 350 randomly selected registered voters was conducted. 124 said they'd vote for Brown, 196 said they'd vote for Feliz, and 30 were undecided.Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion shouldbe a fraction or decimal, not a percent.______This sample statistic suggests that we might expect_____for Brown.of the 10600 registered voters to vote.
From the given information :
• Size of a population surveyed = 10600
,• Size of a sample = 350
(1) Determine sample statistic for the proportion of voters surveyed who said they'd vote for Brown :Sample Stats (Brown) = 124 / 350
=0.354
(II) This sample statistic suggests that we might expect( 0.354 *10600) = 3755 people for Brown.of the 10600 registered voters to vote.
• Meaning , we might expect 3755 out of the 10600 registered people to vote for Brown
PLEASE HELP FASTTTTT I ADDED A PICTURE
Evaluate the algebraic expression t + s - r when r=13, s=10, t = 7 and u=15,
A) 2
B) 4
C) 16
D) 30
y=-0.024x^2+0.0791x+4.873
The equation y = \(-0.024x^2\) + 0.0791x + 4.873 represents a quadratic function with a downward-opening parabol
The given expression is a quadratic equation in the form y = -0.024x^2 + 0.0791x + 4.873. Let's analyze its components and characteristics.
The equation represents a quadratic function, where x is the independent variable and y is the dependent variable. The coefficients in front of each term determine the shape, position, and direction of the graph.
The term with the highest power of x is -0.024x^2, which indicates a downward-opening parabola. The coefficient -0.024 determines the steepness of the curve. A negative coefficient means the parabola is concave down.
The term 0.0791x is the linear term and determines the slope of the line. A positive coefficient indicates an upward or positive slope. It affects the overall direction and position of the graph.
The constant term 4.873 is the y-intercept. It indicates the point at which the graph intersects the y-axis when x = 0.
To analyze the graph of the quadratic equation further, we can calculate the vertex. The x-coordinate of the vertex can be found using the formula x = -b/(2a), where a and b are the coefficients of x^2 and x, respectively. In this case, a = -0.024 and b = 0.0791. Substituting these values into the formula, we have x = -0.0791 / (2 * -0.024) ≈ 1.643. By substituting this x-coordinate into the equation, we can find the y-coordinate of the vertex.
Overall, the equation y =\(-0.024x^2 + 0.0791x\) + 4.873 represents a quadratic function with a downward-opening parabola. The specific properties, such as the vertex and other key points, can be determined by further calculations and analysis of the equation.
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i dont know answer please im in summer school
The centre and the radius of the circle is (-7, -1) and 6 units
Equation of a circleThe equation of the circle in standard from is expressed as:
x^2+y^2+2gx+2fy+C = 0
where;
(-g, -f) is the centre
r= √g²+f²-C
Given the equation below
x^2+y^2+14x+2y+14 = 0
2g = 14
g = 7
2f = 2
f =1
Hence the centre of the circle is (-7, -1)
Radius = √49+1-14
Radius = √36 = 6 units
Hence the centre and the radius of the circle is (-7, -1) and 6 units
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PLEASE HELP STAT WILL MARK BRAINLIEST!
Mr. Lee has 67 rubber stamps. He wants to give the same number of stamps to each of his 8 students. If he gives away as many stamps as he can, how many stamps will be leftover? [remainder]
Answer:
3
Step-by-step explanation:
To give the same amount of stamps to each student you would divide 67 by 8. Dividing would give each students 8 stamps because you can only equally divide it to 64 (EX, 64/8=8). This leaves you with 3 stamps leftover, because we only used 64 equally and 67-64=3.
Answer:
He can give each of his students 8 stamps.
With 3 stamps left over.
Step-by-step explanation:
Hope this helps!
PLEASE ANSWER ASAP FOR BRAINESLT!!!!!
Answer:
Greater than 25 %
Step-by-step explanation:
Since its 25 % then the probability would MOST LIKELY be more than 25 % since usually in math 25 % is used for fourths [ 4 ] but since it's thirds [ 3 ] the chance SHOULD be higher [ Correct me if I'm wrong, if i am then SORRYYYY ;-; ]
Answer:
Greater than 25%......
Given: a∥b, m∠1 = 71º Find m∠5, m∠8
Step-by-step explanation:
m <5=71
m <8=109
-------------
Answer:
∠5 = 71°
∠8 = 109°
Step-by-step explanation:
∠1 = 71°
∠5 = 71° (the same as ∠1 = 71°) its a corresponding angle
∠8 = 180 - ∠5
∠8 = 180 - 71
∠8 = 109°
The radius of the base of a cylinder is 38 mm and it’s height is 51 mm. Find the surface area of the cylinder in terms of pi.
The surface area of the cylinder is 6764π mm².
Given the radius of the cylinder is 38 mm and
the height of the cylinder is 51 mm.
we are asked to determine the surface area = ?
we know that surface area of a cylinder = 2πrh + 2πr²
given, r = 38 mm
h = 51 mm
substitute the above values to get the surface area.
A = 2πrh + 2πr²
A = 2π(38)(51) + 2π(38)²
A = 2π(1938) + 2π(1444) mm²
A = 3876π + 2888π mm²
A = 6764π mm²
Hence the surface area of the cylinder is 6764 mm² in terms of π.
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Johnny has 3 spring jackets, 2 winter jackets, and 7 running jackets, what is the total number of jackets that Johnny owns?
Answer:
12
Step-by-step explanation:
3+2+7=12
Hope this helps! Please give brainliest!
What is the distance between the two points plotted?
101y
8
(-6,4)
10-8
1 unit
|
-6 -4
0-1 unit
11 units
-11 units
6
4
2
-20
-2
-4
-6
-8
-10
2
(5,4)
4
6
8
X
10
The distance between the points (-6, 4) and (5, 4) is 11 units.
To find the distance between two points in a Cartesian coordinate system, we can use the distance formula:
Distance = √[(x2 - x1)² + (y2 - y1)²]
Given the two points (-6, 4) and (5, 4), we can plug in the coordinates into the distance formula:
Distance = √[(5 - (-6))² + (4 - 4)²]
= √[(5 + 6)² + 0²]
= √[11² + 0]
= √[121]
= 11
Therefore, the distance between the points (-6, 4) and (5, 4) is 11 units.
In this case, since the y-coordinates of both points are the same (4), the distance between them only considers the difference in their x-coordinates. As the x-coordinate of the second point is 11 units greater than the x-coordinate of the first point, the distance between them is simply the absolute value of the difference, which is 11.
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You can use the equation A =(HW/3600)^1/2
to approximate a person's body surface area A (in square meters), where H
is height (in centimeters) and W is weight (in kilograms). Approximate the body surface area of a person with a height
of 160 centimeters and a weight of 64 kilograms.
Body surface area:______
m²
The body surface area is given by the equation A = 1.6865 m²
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the body surface area be represented as A
Now , the equation will be
A = ( HW / 3600 )^1/2
A = √( HW / 3600 ) be equation (1)
where H is the height in centimeters and W is the weight in kilograms
Now , the value of H = 160 cm
The value of W = 64 kg
Substituting the values in the equation , we get
A = √ [ ( 160 x 64 ) / 3600 ]
On simplifying the equation , we get
A = √ ( 10240/3600 )
A = √ ( 2.8444 )
A = 1.6865 m²
Therefore , the body surface area is 1.6865 m²
Hence , the equation is A = 1.6865 m²
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The desks in Joe's classroom are
arranged in 7 rows. Each row contains
5 desks. The equation that describes
the number of desks, d, in the
classroom is d÷ 7 = 5. How many
desks are in Joe's classroom?