Answer:
y= -×+3
Step-by-step explanation:
y=mx+b where m is the slope and b is the y intercept
Answer:
12 squares at the top
9 squares at the bottom
which means the answer is 12 by 9
Step-by-step explanation:
count the squares
For a field trip, a highschool want to buy T-shirts and sweatshirts. The expression px + 29y repersents the cost of buying x T-shirts and y sweatshirts from the store. If each sweatshirt cost $17 more than a T-shirt what is the value of p ?
Answer:
The value of p is $12.
Step-by-step explanation:
Given;
c = px + 29y ,,,,,,,,,,,,,,,,,,, (1)
Where;
c = cost of buying x T-shirts and y sweatshirts from the store
p = price of one or each T-shirt = ?
x = number of T-shirts bought
29 = price of one or each sweatshirt
y = number of sweatshirt bought
Based on the above breakdown, if each sweatshirt cost $17 more than a T-shirt, the value of p can be calculated as follows:
29 = p + 17
p = 29 - 17
p = 12
Therefore, the value of p is $12.
Additional note:
Note that this is not part of the question but it is just an example to make you understand the question better.
If we assume that 10 T-shirts and 10 sweatshirts are bought from the store, we can use equation (1) above to calculate the cost as follows:
Where;
c = cost of buying x T-shirts and y sweatshirts from the store = ?
p = price of one or each T-shirt = 12
x = number of T-shirts bought = 10
29 = price of one or each sweatshirt
y = number of sweatshirt bought = 10
Substituting the values into equation (1), we have:
c = (12 * 10) + (29 * 10)
c = 120 + 290
c = 410
Therefore, the cost of of buying 10 T-shirts and 10 sweatshirts from the store will be $410.
Chickens and Pigs
In the barnyard is an assortment of chickens and pigs. If you count heads, you get 13. If you count
legs, you get 46. How many chickens and pigs are in the barnyard?
Thinking about your thinking
Show your thinking by using a chart, drawing, graph. Then explain in words how you solved this
problem I
Answer:
C = number of chickens
P = number of pigs
C + P = 13
2C + 4P = 46
Solve for C and P and get
C = 3
P = 10
An artist is selling children's crafts necklaces cost 2.25 each, and brackets cost 1.50 per each select all the combinations of necklaces and braclets that the artist could sell for exactly 12.00
Answer: 4 necklaces 2 bracelets. 8 bracelets. 2 necklaces 5 bracelets
Step-by-step explanation:
Solve for x . Round to the nearest tenth.
BC=39
After solving the equation the length of side is 47.97 unit.
What is triangle?
A triangle is a three-sided geometric shape. It is a closed figure, meaning the sides are connected, and it has three angles, each of which is less than 180 degrees. Triangles can be classified by their angles and sides. The three most common types of triangles are equilateral, isosceles, and scalene. An equilateral triangle has three equal sides and three equal angles. An isosceles triangle has two equal sides and two equal angles. A scalene triangle has three unequal sides and three unequal angles. All triangles have an area, perimeter, and at least one line of symmetry. Triangles are used in a variety of fields, such as engineering, architecture, and art.
Main body:
according to question :
As the vertices are A,B,C
∠C= 51°
BC = 39
as we need to find relation between perpendicular and base , we will use tangent trigonometric ratio.
AB/BC = tan 51°
x/39 = tan 51°
x = 1.23*39
x = 47.97
Hence ,the length of side is 47.97 unit.
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The Rockets and the Rangers are in a league where each of the teams plays $100$ games. At some point in the season, the Rockets' ratio of their wins to their losses is $3:2,$ the Rangers' ratio of their wins to their losses is $7:13,$ and both teams have the same number of games left to play. If the Rockets lose all of their remaining games while the Rangers win all of their remaining games, the teams will end the season with the same number of wins. At this point in the season, how many games do the Rockets have left to play?
By solving a linear equation we will see that there are 20 games left.
How many games do the Rockets have left to play?We know that there is a total of 100 games, and the ratio of wins to loses for the rockets is:
3:2
The ratio for the rangers is:
7:13
We know that if the rockets loses all the remaining games, and the rangers win all the remaining games then both teams will win the same number of games.
Let's define X as the number of games left, the number of games won by the rockets is:
(100 - X)*(3/5)
The number of games won by the rangers is:
(100 - X)*(7/20)
We know that if the rangers win the X games left, they will have the same number of wins than the rockets (if the rockets don't win any more game)
Then we can write the linear equation:
(100 - X)*(7/20) + X = (100 - X)*(3/5)
we can solve this for X.
X = (100 - X)*(3/5) - (100 - X)*(7/20)
X = (100 - X)*(3/5 - 7/20)
X = (100 - X)*(12/20 - 7/20)
X = (100 - X)*(5/20)
(20/5)*X = 100 - X
4*X = 100 - X
4*X + X = 100
5*X = 100
X = 100/5
X = 20
There are 20 games left for the rockets.
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Create a story context for the following expression:4 × ( 4.8 / 0.8)
Answer:
0.8 kg of a certain fruit costs $4.8 and you want to find the cost of 4 kg.
The cost of 1 kg is
\(\frac{\$4.8}{0.8\operatorname{kg}}\)Therefore, the cost of 4 kg would be
\(\frac{\$4.8}{0.8\operatorname{kg}}\times4\operatorname{kg}\)Hence, the expression
\(\frac{4.8}{0.8}\times4\)represents the cost of buying 4 kgs of a certain fruit that costs $4.8 per 0.8 kg.
W’X’Y’Z is a dilation image of WXYZ which is the correct description of the dilation?
Note that the measurement of one side of image WXYZ is 4 units while in W'X'Y'Z' is 2 units.
The side is reduced by 1/2.
So we can say that W'X'Y'Z' is a dilation image of WXYZ with a scale factor of 1/2
ANSWER :
a reduction with scale factor of 1/2
A town is having an event where local restaurants showcase their best dishes. a party tent will be set up in the town square for this event. the entrance to this tent is to be 72 inches high. the residents of the town have heights that are approximately normally distributed with a mean of 67.8 inches and a standard deviation of 4.2 inches. based on the empirical rule, what is the probability that a resident will be too tall to enter the tent without bowing his or her head? express your answer as a decimal to the hundredths place.
There is a 0.32 probability that a resident will be too tall to enter the tent without bowing their head.
Based on the empirical rule, approximately 68% of the residents will have heights within one standard deviation (4.2 inches) of the mean (67.8 inches).
Therefore, the probability of a resident being too tall to enter the tent without bowing their head is approximately 32% (100% - 68%).
To express this probability as a decimal to the hundredths place, the answer is 0.32.
In conclusion, there is a 0.32 probability that a resident will be too tall to enter the tent without bowing their head.
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How many outcomes are in the sample space when rolling a standard number cube and spinning a spinner with 4 equal sections?
Answer:
There are 24 outcomes in the sample space.
Step-by-step explanation:
Suppose that we have some events, such that each one of these events has a given number of outcomes.
If we have an experiment where we perform all of these events, the total number of possible outcomes is equal to the product between the number of outcomes for each one of the events.
Let's apply this to our case.
Here we have two events:
Rolling a standard number cube: 6 outcomes
Spinning a spinner with 4 equal sections: there are 4 outcomes.
Then the total number of outcomes in the sample space is the product:
C = 6*4 = 24 outcomes.
There are 24 outcomes in the sample space.
Find and describe the error in the followig work -3(2x+3)=21 -6x+9=21 -6x=12 x=-2
Answer:
-3(2x+3)=21 does not become -6x+9=21 because wrong foiling.
Step-by-step explanation:
When you distribute -3 with 2x+3 you multiply both values by -3.
-3*2x = -6x
-3*3 = -9 <- This is where the error is. It's -9, not +9.
ou and i each have a fair coin. i flip n times, and you flip n 1 times. you win if i get fewer heads than you. what is the probability that you win the game?
Answer: 3
Step-by-ste3p explanation:
The slope of a line is and the y-intercept is (0, 6). What is the equation of the line in slope-intercept form?
Answer:
y=x+6
Step-by-step explanation:
is 42% bigger than 0.44
Answer: No
0.44 is equal to 44%.
42% is equal to 0.42.
0.44 is greater than 0.44.
44% is greater than 42%.
Answer = no
Without graphing, predict the coordinates of the vertex of the graphs of these quadratic functions (Blank #1), and predict whether the graph opens up or opens down (Blank #2).
y=(x+10)^
The coordinates of the vertex of the quadratic functions are (-10, 0)
What are quadratic functions?A quadratic function is a polynomial function with one or more variables in which the highest exponent of the variable is two.
Given is a quadratic function, y = (x+10)², we need to find the vertex coordinates,
y = (x+10)²
y = x²+100+20x
For x coordinate,
x = -b/2a
x = -20/2
x = -10
Put x = -10 in equation, to find the y coordinate,
y = (-10+10)²
y = 0
The coordinates are (-10, 0)
Hence, the coordinates of the vertex of the quadratic functions are (-10, 0)
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Which of the following numbers is NOT equivalent to 40%? A 0.04 B 0.40 c.? D *I • 10
The option that is not equivalent to the given percentage of 40% is; A:0.04.
What is the correct percentage?
We are given the percentage as 40%.
Now, this percentage can be rewritten as a proper fraction as;
40% = 40/100
In decimal form, this is expressed as 0.40
Now, the proper fraction 40/100 can be broken down into;
40/100 = 4/10
Further more when we divide both numerator and denominator by 2, we will get the fraction 2/5.
Thus, the only option that is not equivalent to the given percentage is option A which is 0.04.
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The correct options are;
A) 0.04
B) 0.40
C) 2/5
D) 4/10
"Match the justifaction with each step"
I also want to know the answer...........................................
PLS HELP ASAP I DONT HAVE TIME IT ALSO DETECT IF ITS RIGHT OR WRONG!!
Answer:
6
Step-by-step explanation:
Hoped I helped! Im Eve btw. Have a great day and consider marking this brainiest if you do thank you in advanced!
a pearson’s r of .71 for age and attention span would be an example of a __________ correlation.
A Pearson's r correlation coefficient of .71 for age and attention span would be an example of a strong positive correlation.
The Pearson correlation coefficient, denoted by "r," is a statistical measure that quantifies the strength and direction of the linear relationship between two variables. The values of r range from -1 to +1.
A positive correlation indicates that as one variable (in this case, age) increases, the other variable (attention span) also tends to increase. The closer the value of r is to +1, the stronger the positive correlation.
In this example, a correlation coefficient of .71 indicates a relatively strong positive relationship between age and attention span. It suggests that as individuals get older, their attention span tends to increase.
However, it's important to note that correlation does not imply causation. While there is a strong association between age and attention span in this case, other factors could also influence attention span independently of age.
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The steps to solve an equation are shown below. Choose the reasons that are listed in the correct order to justify the steps in the solving process.
A- 1. Given, 2. Division Property of Equality, 3. Addition Property of Equality, 4. Division Property of Equality
B- 1. Given, 2. Multiplication Property of Equality, 3. Subtraction Property of Equality, 4. Division Property of Equality
C- 1. Given, 2. Division Property of Equality, 3. Addition Property of Equality, 4. Multiplication Property of Equality
D- 1. Given, 2. Multiplication Property of Equality, 3. Addition Property of Equality, 4. Division Property of Equality
The steps to solve the equation (5y - 1)/2 = 7 are assigned and attached
D- 1. Given, 2. Multiplication Property of Equality, 3. Addition Property of Equality, 4. Division Property of EqualityHow to solve the given equationThe expression in the problem is (5y - 1)/2 = 7
Clearing the fraction
The fraction is cleared by applying the Multiplication Property of Equality
(5y - 1)/2 = 7
5y - 1 = 14
Adding 1 to both sides of the equation is done using Addition Property of Equality
5y - 1 + 1 = 14 + 1
5y = 15
Making y the subject of formula Division Property of Equality is applied
5y / 5 = 15 / 5
y = 5
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Jeremy needs to buy soccer supplies for his team. He bought 3 packs of shin guards and 2 soccer balls. He then bought 5 packs of shin guards and 3 soccer balls $76.45. What is the cost for a soccer ball?
Based on a system of equations, the cost of a soccer ball is $15.50.
What is a system of equations?A system of equations is two or more equations solved concurrently or at the same time.
A system of equations can also be described as simultaneous equations.
Shin Guards Soccer Balls Total Cost
First purchase 3 2 $48.97
Second purchase 5 3 $76.45
Let the cost of shin guards per unit = x
Let the cost of soccer balls per unit = y
Equations:Equation 1: 3x + 2y = 48.97
Equation 2: 5x + 3 y = 76.45
Multiply Equation 1 by 1.5:
Equation 3: 4.5x + 3y = 73.455
Subtract Equation 3 from Equation 2:
5x + 3 y = 76.45
-
4.5x + 3y = 73.455
0.5x = 2.995
x = 5.99
Substitute x = 5.99 in Equation 1:
3(5.99) + 2y = 48.97
17.97 + 2y = 48.97
2y = 31
y = 15.5
= $15.50
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Question Completion:Jeremy needs to buy soccer supplies for his team. He bought 3 packs of shin guards and 2 soccer balls for $48.97.
9 A surfboard rental store charges $5 per day to rent a surf board plus a $10 wear and tear fee.
The linear function S(d) = 5d + 10, can be used to represent S(d), the cost for renting a
psapps dmac-solutions.net hekscore tests preview.aspx?td-eGZMORK2MOK90
4/17/23, 9:35 AM
DMAC Solutions
surfboard, for d days.
Part A
What effect does the $5 per day have on the graph of the linear parent function?
Part B
What effect does the $10 wear and tear fee have on the graph of the linear parent function?
59
a) It is a vertical dilation of scale factor of 5.
b) It is a translation up of 10 units.
How to analyze the linear equation?Here we have the line:
S(d) = 5d + 10
That represents the cost for renting the surboard for d days.
Remember that the parent linear function is y =x
A) 5 in this case is the slope, it says how much the cost for the rental increases for each day that passes. The effect on the linear parent function is a dilation of scale factor of 5.
B) 10 is the y-intercept, so this will represent a translation up of 10 units.
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if CD = 6.6 cm, DE = 3.4 cm, CE = 4.2 cm, and BC = 5.25 cm, what is the length of AC, the the nearest hundredth of a centimeter? 1. 2.70 2. 3.34 3. 5.28 4. 8.25
Answer:
4. 8.25
Step-by-step explanation:
x/5.25=6.6/4.2
Cross Multiply
4.2x=34.65
Divide
8.25
If we have a conversion factor given to us in a fraction form that cannot be represented as an easy decimal, what can we do?
a. Conclude that the units cannot be converted to one another.
b. Assume the conversion factor is 1.
c. Attempt to use a conversion factor for different units of measurement.
d. Leave the conversion factor in fraction form.
Answer:
D) Leave the conversion factor in fraction form
Step-by-step explanation:
Leave the conversion factor in fraction form, when fraction form that cannot be represented as an easy decimal. The correct option is option D.
What is conversion Factor?A conversion factor is a ratio expressed as a fraction that equals 1. When we use conversion factors to convert units, we multiply our original measurement by the conversion factor to get the same measurements expressed in new units.
If we have a conversion factor given to us in a fraction form that cannot be represented as an easy decimal. Leave the conversion factor in fraction form.
Because there are two type of decimals:
Terminating decimal expansion means the decimal expansion of a number which stops after a certain number of decimal places. For example, if we divide 100 by 16, the answer comes out as 6.25.Since the number of decimal place in 6.25 is 2,i.e., it stops after a certain number of decimal places, it is called a terminating decimal expansion.
On the other hand, if the decimal expansion of a number does not stop at all, then it is called a non-terminating decimal expansion. For example, if we divide 100 by 7, then the answer comes out to be 14.28571428571…….. . The decimal expansion does not stop. This is known as a non-terminating decimal expansion.
In general, if a fraction has a denominator of the form 2^n*5^m, where m and n are non-negative integers, then it will have a terminating decimal expansion. For example, 100/16 has denominator 16 which is of the form 2^4*5^0, so it has a terminating decimal expansion.
If a fraction has a denominator which is not of the form 2^n*5^m, where m and n are non-negative integers, then it will have a non-terminating decimal expansion. For example, 100/7 has a denominator 7 which is not of the form 2^n*5^m so it has a non-terminating decimal expansion.
Hence, Leave the conversion factor in fraction form, when fraction form that cannot be represented as an easy decimal.
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Paul is getting balloons for his uncle's birthday party. He wants each balloon string to be 6 feet long. At the party store, string is sold by the yard. If Paul wants to get 46 balloons, how many yards of string will he need
Answer:
Paul needs 276 feet of string for his uncle's birthday party.
Step-by-step explanation:
From the problem we are given, we can simply break it down as follows:
Paul wants each balloon string to be 6 feet long.
Paul also wants to get 46 balloons with each of them having 6-feet long strings attached to them.
This means that Paul will need 6 feet ling strings 46 times (that is for all the 46 balloons)
to solve this mathematically, we multiply 46 X 6 to get 276 feet.
Therefore, Paul needs 276 feet of string for his uncle's birthday party.
6 x 87 is greater than 5 x 87. How much greater? Explain how you know without multiplying.
Answer:
6 is 1 bigger than 5
Step-by-step explanation:
Answer:
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Step-by-step explanation:
<6 and <7 can be classified as:
A. alternate exterior angles
B. same-side interior angles
c. alternate interior angles
D. vertical angles
Answer:
Vertical angles
Step-by-step explanation:
I just think that's the answer
have a great rest of ur day though
WILL GIVE BRAINLIEST!!
A line has a slope of 1/3 and passes through the point (–9, –3). What is its equation in slope-intercept form?
Answer:
y = \(\frac{1}{3}\) x
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
here slope m = \(\frac{1}{3}\) , then
y = \(\frac{1}{3}\) x + c ← is the partial equation
to find c substitute (- 9, - 3) , that is x = - 9, y = - 3 into the partial equation
- 3 = \(\frac{1}{3}\) (- 9) + c = - 3 + c ( add 3 to both sides )
0 = c
y = \(\frac{1}{3}\) x + 0 , that is
y = \(\frac{1}{3}\) x
What is the slope of the line through (0,-1) and (2,3)?
f (x)=√x + 9. Find ¹(x) and its domain.
The inverse and domain of the function are y = x²-9 and all real numbers.
Inverse of a functionA function's inverse is a function that reverses the action of a function, such as g(x). If and only if g(x) is bijective, then the inverse of g(x) exists, and if it exist.
If the function f(x)=√x + 9, find the inverse;
y = √x+9
x = √y+9
x² = y+9
y = x²-9
The domain of the inverse function will exist on all real numbers.
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Given that y = 12 cm and 0 = 45°, work
out a rounded to 1 DP.
The diagram is not drawn accurately.
X
cm
The value of x is 8.5 cm
How to solve for x?The complete question is in the image
The given parameters are:
y = 12 cm
\(\theta = 45^o\)
The value of x is calculated using the following sine ratio
\(\sin(\theta) = \frac xy\)
This gives
\(\sin(45^o) = \frac x{12}\)
Multiply by 12
\(x = 12 * \sin(45^o)\)
Evaluate
x = 8.5
Hence, the value of x is 8.5 cm
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