Answer:
35 and 25.
Step-by-step explanation:
x+y=60
x-y=10
Subtract eq1 by eq2
x-x+y-(-y) = 60-10
2y=50
y=25.
x+25=60
x=35
Hope this helps :D
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Lois and her team used the number of red candies in a
small 9 ounce bag to predict the number of red candies in
a large 33 ounce bag. If Lois counted 12 red candies in the
small bag, Predict the number of red candies in the large bag.
Use proportional reasoning and show algebraic work.
Using proportional reasoning, we can predict that there will be 40 red candies in the large bag.
Using proportional reasoning, we can set up and solve the following equation to determine the number of red candies in the large bag:
P = Proportion of red candies in the large bag
R = Red candies in the small bag
R × (33/9) = P
12 × (33/9) = P
P = 40 red candies in the large bag
Therefore, using proportional reasoning, we can predict that there will be 40 red candies in the large bag.
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Laura, Aldo, and Juan served a total of 95 orders Monday at the school cafeteria. Juan served 2 times as many orders as Laura. Aldo served 7 more orders than Laura. How many orders did they each serve?
the orders served by Laura are 22, the orders served by Aldo are 29 and the orders served by Juan are 44.
Total number of orders served on Monday at the school cafeteria = 95
Juan served 2 times as many orders as Laura and Aldo served 7 more orders than Laura.
Let the orders served by Laura be x
Orders served by Juan = 2 x
Orders served by Aldo = x + 7
So, we get the equation as:
x + 2 x + x + 7 = 95
4 x + 7 = 95
4 x = 95 - 7
4 x = 88
x = 88 / 4
x = 22
x + 7 = 22 + 7 = 29
2 x = 2 (22) = 44
Therefore, we get that, the orders served by Laura are 22, the orders served by Aldo are 29 and the orders served by Juan are 44.
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Complete the equation involving x. Order terms like the physical situation, and don't simplify.
A 5 foot wide painting should be centered on a 15 foot wide wall. Type the left side of an equation that can be used to determine how many feet (x) should be on each side of the painting.
Therefore, the painting should be placed 5/4 feet on each side of the wall.
In the given problem, a 5-foot wide painting should be centered on a 15-foot wide wall. We can determine the length of each side of the painting by subtracting x from each side of the wall.
Therefore, the left side of the equation can be written as:
\(15 - x - 5 - x\)
The physical situation given is that the painting is to be centered on the wall. This means that each side of the wall will have the same amount of space as the painting.
Therefore, the length of each side of the painting can be determined by subtracting x from each side of the wall. The total width of the wall is 15 feet, and the painting is 5 feet wide.
Therefore, the total length of the space on each side of the painting is 5 + x.To find the value of x, we can equate the length of each side of the painting. Therefore, the equation can be written as:
\(15 -x - 5 - x = 5 + x + x\)
Simplifying the equation, we get:
\(10 - 2x = 2x + 5\)
Solving for x, we get:
\(4x = 5x = \frac{5}{4}\)
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Four boxes of cookies were sold to a family of five.each box contains 12 cookies if each family member ate 2 cookies from each box what fraction of the original number of cookies is left?
First lets find the total number of cookies
12*4=48
48 cookies
Number of cookies eaten
5*2=10
10 were eaten
Cookies left
48-10=38
38/48=19/24
19/24 of the cookies are left
Answer:
38 are left
Step-by-step explanation:
11 players are going to practice in the batting cage. how many different orders are possible
Answer:
Step-by-step explanation:
Kelly recorded the number of people who wore school shirts to the football game on Saturday. Of the 525 fans, 224 wore school shirts. If 840 people are expected to attend next Saturday, how many of them would Kelly expect to be wearing school shirts?
A)224
B)301
C)358
D)525
Drag each shape to the correct location on the table. Each shape can be used more than once, but not all shapes will be used.
Consider the given square pyramid.
Vertical cross-section ⇒
Isosceles triangle, figure 5Horizontal cross-section ⇒
Square, figure 4Vertical cross-section through base and two lateral faces ⇒
Isosceles trapezoid, figure 1
Answer:
In the image
Hope this helps!
Step-by-step explanation:
graph the solution on the number line |x-3| <5
Answer:
-2<x<8
see below for graph
Step-by-step explanation:
First, we need to solve the inequality.
Inequality: |x-3|<5
Split into two equations:
x-3<5
x-3>-5 (notice how the sign is flipped when we make the number negative)
let's start with x-3<5
add 3 to both sides
x<8
now
x-3>-5
add 3 to both sides
x>-2
The graph is below
the intersection is the solution.
Notice how I made the maroon line go to the right- which shows that it's greater than (for x>-2) and the silver line go to the left, which shows that it's less than (for x<8)
the equation is -2<x<8
Hope this helps!
Help me plz. I’ll give good points.
Answer:
A is the answer because the -T is right at 0
After Jeremy runs across the width of the building, he must run down a ramp to the next building. Use the following portion of the picture to set up a ratio.
a.sin=70 =(4/x)
b. cos70 = (4/x)
c. cos 70 =(x/4)
d. sin 70 = (x/4)
Answer:
\(b.\ cos 70 =\dfrac{4}x\) is the correct answer.
Step-by-step explanation:
First of all, let us label the diagram as shown in the attached figure.
OR = 20'
QS = 16'
\(\triangle OPQ\) is the right angled triangle that we get.
\(\angle P=90^\circ\)
\(\angle O =70^\circ\)
From the given figure symmetry, we can clearly see that:
Side OP = OR - QS
OP = 20 - 16 = 4'
Now, let us use trigonometric identity of cosine in \(\triangle OPQ\).
\(cos\theta = \dfrac{Base}{Hypotenuse}\)
\(cosO= \dfrac{OP}{OQ}\\\Rightarrow cos70^\circ= \dfrac{4}{OQ}\)
Let the distance of ramp, OQ = x'
So, the above ratio becomes:
\(cos70^\circ= \dfrac{4}{x}\)
So, the correct answer is:
\(b.\ cos 70 =\dfrac{4}x\)
Carlos has eight tickets. Carlos has 8 fewer tickets then Etta. How many tickets does Etta have?
Answer:
16
Step-by-step explanation:
Admission to a museum is $7.10 per
adult and $4.80 per child. The expression
7.1a 1 4.8c represents the total cost in
dollars for admission for a adults and
c children.
If 6 adults and 6 children attend the
museum, what is the total cost?
The total cost of admission for 6 adults and 6 children to the museum is $71.4.
What is the total cost?Total cost refers to the sum of all costs incurred in producing a product, delivering a service, or achieving a particular outcome. It encompasses all the expenses, both direct and indirect, that are associated with a specific activity, project, or process.
According to the given information:
To calculate the total cost of admission for 6 adults and 6 children to the museum, we can substitute the values of "a" and "c" into the given expression "7.1a + 4.8c" and perform the calculations.
Given:
Number of adults (a) = 6
Number of children (c) = 6
Admission cost per adult = $7.10
Admission cost per child = $4.80
Substituting the values into the expression:
7.1a + 4.8c = 7.1 * 6 + 4.8 * 6
Now, we can perform the calculations:
7.1 * 6 = 42.6
4.8 * 6 = 28.8
Adding the results together:
42.6 + 28.8 = 71.4
So, the total cost of admission for 6 adults and 6 children to the museum is $71.4.
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suppose you are35 years old and would like to retire at age65 . Furthermore, you would like to have a retirement fund from which you can draw an income of $150000 per yearforever! How much would you need to deposit each month to do this? Assume a constant APR of8 % and that the compounding and payment periods are the same.
Answer:
$1258.09
Step-by-step explanation:
You want the monthly annuity payment that will let you withdraw $150,000 per year forever from an account earning 8% after 30 years.
Account balanceIn order to withdraw an amount "forever," the withdrawal amount must be equal to the interest earned by the account.
I = Prt
150,000 = P(0.08)(1)
P = 150,000/0.08 = 1,875,000
Annuity paymentThe value of an ordinary annuity is given by the formula ...
A = P(12/r)((1 +r/12)^(12t) -1) . . . . . where P is the monthly payment, and r is the annual interest rate earned over a period of t years.
Using the values we know, we can find P:
1875000 = P(12/0.08)((1 +0.08/12)^(12·30) -1) = 1490.359449P
P ≈ 1258.09
You would need to deposit $1258.09 each month.
__
Additional comment
The formulas used here assume that the deposits and withdrawals occur at the end of the month.
Are the graphs of y=3x-5 and 9x+3y=1 parallel, perpendicular or neither?
Answer:
The two lines are neither parallel nor perpendicular to one another.
Step-by-step explanation:
The slope \(m\) gives the orientation of a line.
Make sure that the equation of both lines are in the slope-intercept form \(y = m\, x + b\) (where \(m\!\) is the slope and \(b\) is the \(y\)-intercept) before comparing their slopes.
The equation of the first line \(y = 3\, x - 5\) is already in the slope-intercept form. Compare this equation with the standard \(y = m\, x + b\). The slope of this line would be \(m = 3\).
Rewrite the equation of the second line \(9\, x + 3\, y = 1\) to obtain the slope-intercept equation of that line:
\(3\, y = -9\, x + 1\).
\(\displaystyle y = -3\, x + \frac{1}{3}\).
Thus, the slope of this line would be \(m = (-3)\).
Two lines are parallel to one another if and only if their slopes are equal. In this question, \(3 \ne (-3)\). Thus, the two lines are not parallel to one another.
On the other hand, two lines are perpendicular to one another if and only if the product of their slopes is \((-1)\). In this question, \(3\times (-3) = (-9)\), which is not \((-1)\!\). Thus, these two lines are not perpendicular to one another, either.
A farmer, Mrs. Many, grows and sells two popular varieties of tomatoes: Better Boy tomatoes and Big Beef tomatoes. Both varieties of tomato take about 75 days to mature. She is designing a study to test the effectiveness of a new soil additive to increase tomato growth. She has 40 Better Boy tomatoes and 60 Big Beef tomatoes for her experiment.
Required:
a. Preliminary research suggests that Better Boy tomatoes and Big Beef tomatoes respond differently to the additive. What sort of experimental design would you choose for this study, and why?
b. Explain why an experiment involving 40 Better Boy tomatoes and 60 Big Beef tomatoes is preferable to one involving 4 Better Boy tomatoes and 6 Big Beef tomatoes.
c. Describe a design for this experiment. Be sure to include a description of how you assign individuals to the treatment groups.
Answer:
I believe the answer is B tell me if I'm correct please
Hi can someone please help me solve the following system of inequalities and state the coordinates in the solution setz
The graph of the system of the inequalities is attached.
To graph the inequalities y < -x - 4 and y ≥ (3/5)x + 4, we can start by graphing the corresponding equations and then shade the appropriate regions based on the inequality signs.
Let's begin with the equation y = -x - 4:
Choose a range of x-values to plot.
For simplicity, let's use x-values from -10 to 10.
Substitute different x-values into the equation to find corresponding y-values.
For example:
When x = -10, y = -(-10) - 4 = 10 - 4 = 6.
When x = 0, y = -(0) - 4 = -4.
When x = 10, y = -(10) - 4 = -10 - 4 = -14.
Plot these points on the coordinate plane and draw a straight line passing through them.
This line represents the equation y = -x - 4.
Next, let's graph the equation y = (3/5)x + 4:
Again, choose a range of x-values to plot. Let's use the same range of -10 to 10.
Substitute different x-values into the equation to find corresponding y-values. For example:
When x = -10, y = (3/5)(-10) + 4 = -6 + 4 = -2.
When x = 0, y = (3/5)(0) + 4 = 0 + 4 = 4.
When x = 10, y = (3/5)(10) + 4 = 6 + 4 = 10.
Plot these points on the coordinate plane and draw a straight line passing through them.
This line represents the equation y = (3/5)x + 4.
Now, let's shade the regions based on the inequalities:
For y < -x - 4, we need to shade the region below the line y = -x - 4.
For y ≥ (3/5)x + 4, we need to shade the region above or on the line y = (3/5)x + 4.
Hence, the region where the shaded regions overlap represents the solution to both inequalities.
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Pls help die in 10 mins
Answer:
Area of sector of a circle = 28.26 meter²
Step-by-step explanation:
Given:
Side of cube = 12 meter
One white section = sector of a circle
Find:
Area of one white section
Computation:
Radius of circle = Side of cube / 2
Radius of circle = 12 / 2
Radius of circle = 6 meter
One white section = sector of a circle
Area of sector of a circle = [θ/360][π][r]²
Area of sector of a circle = [90/360][22/7][6]²
Area of sector of a circle = [0.25][3.14][36]
Area of sector of a circle = 28.26 meter²
Simplest form and explain why√800
Answer:
The simplest form of √800 is 4√5
Step-by-step explanation:
When finding the simplest form of a square root, we want to express the square root as a product of a whole number and a square root of a prime number. This is because the square root of a prime number cannot be simplified any further, while the square root of a composite number (a number that is not prime) can be further simplified.
In this case, we start by seeing that 800 can be factored as 20*40. To simplify the square root, we need to find the square root of each of these factors. The square root of 20 is not a whole number, but the square root of 40 is √40 i.e. 2√10, which can be further simplified as 2*2√5.
So, √800 = √(2040) = √20 * √40 = 2√10 = 2*2√5 = 4√5
As 4 is a whole number and √5 can't be simplified further, this is the simplest form of the square root of 800.
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Although part of your question is missing, you might be referring to this question "What is the simplest form of √ 800 and explain why?"
A credit card with an APR of 28% has a balance of $1000 on it. You make a $400 payment that posts on the 11th day of a 31-day month. How much interest will you be charged for the month?
To calculate the interest charged for the month on a credit card with a balance of $1000 and an APR of 28% after making a $400 payment on the 11th day of a 31-day month, we need to first calculate the average daily balance for the month.
The average daily balance is calculated as follows:
(Previous balance × number of days in billing cycle) + (New charges × number of days since posting of new charges) - (Payments and credits × number of days since payment/credit) / Number of days in billing cycle
In this case, the previous balance is $1000, the number of days in the billing cycle is 31, the new charges are 0, the number of days since posting of new charges is 20 (since the payment posted on the 11th day of the month), the payment/credit is $400, and the number of days since payment/credit is 21. Plugging in these values, we get:
($1000 × 31) + (0 × 20) - ($400 × 21) / 31 = $727.10
Therefore, the average daily balance for the month is $727.10.
To calculate the interest charged for the month, we multiply the average daily balance by the daily periodic rate, which is the APR divided by 365 (since there are 365 days in a year):
$727.10 × (0.28 / 365) × 31 = $19.97
Therefore, the interest charged for the month is $19.97.
What is the Scale Factor going from the larger figure to the smaller figure?
Answer:
0.25
Step-by-step explanation:
scale factor=md/od
=0.5/2
0.25
During the exponential phase, e.coli bacteria in a culture increase in number at a rate proportional to the current population. If growth rate is 1.9% per minute and the current population is 172.0 million, what will the population be 7.2 minutes from now?
During the exponential phase, e.coli bacteria in a culture increase in number at a rate proportional to the current population. If growth rate is 1.9% per minute and the current population is 172.0 million, the population 7.2 minutes from now can be calculated using the following formula:
P(t) = P ₀e^(rt)where ,P₀ = initial population r = growth rate (as a decimal) andt = time (in minutes)Substituting the given values, P₀ = 172.0 million r = 1.9% per minute = 0.019 per minute (as a decimal)t = 7.2 minutes
The population after 7.2 minutes will be:P(7.2) = 172.0 million * e^(0.019*7.2)≈ 234.0 million (rounded to the nearest tenth)Therefore, the population of e.coli bacteria 7.2 minutes from now will be approximately 234.0 million.
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18
X
24
18
These shapes
are similar.
Find X.
8
12
The value of x in the similar shapes is 10
How to calculate the value of x in the similar shapesFrom the question, we have the following parameters that can be used in our computation:
The similar shapes
On the shapes, we have
x/20 = 5/10
Multiply through the equation by 20
So, we have
x = 20 * 5/10
Evaluate
x = 10
Hence, the value of x is 10
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Solve 6x^2+125=x^2 using square roots.
Answer:
NOREAL SOLUTION
Step-by-step explanation:
6x2+125=x2
Step 1: Subtract x^2 from both sides.
6x2+125−x2=x2−x2
5x2+125=0
Step 2: Subtract 125 from both sides.
5x2+125−125=0−125
5x2=−125
Step 3: Divide both sides by 5.
Step 4: Take square root.
NOREAL SOLUTION
Write a function for the sinusoid (the curve).
У
(2,5)
14
(1, -1)
3
1
Choose...
3 cos x + 2
The function is f(x) = 3 sin x
3 sin x
3 cos x
2 X
The equation of the sinusoid function is:
3 Sin πx + 2.
Let's analyze the given options to find the correct equation:
a. 3 Cos πx + 2:
This option is a cosine function with a vertical shift of 2, but it does not have the correct amplitude or period. Therefore, it is not the correct equation.
b. 3 Sin x: This option is a sine function with the correct amplitude, but it does not have the correct vertical shift or period. Therefore, it is not the correct equation.
c. 3 Sin πx + 2: This option is a sine function with the correct amplitude and vertical shift. Let's check if it has the correct period:
To determine if the period is correct, we need to calculate the x-values when the function repeats itself.
In this case, we need to find x-values such that sin(πx) = 0, since the function will reach its maximum and minimum points again at those x-values.
sin(πx) = 0 when πx = 0, π, 2π, 3π, ...
Solving for x, we have:
πx = 0 ⟹ x = 0
πx = π ⟹ x = 1
πx = 2π ⟹ x = 2
πx = 3π ⟹ x = 3
From this, we can see that the function repeats itself every integer value of x, which matches the given information.
Therefore, option (c) is the correct equation: 3 Sin πx + 2.
Option (d) 3 Cos x does not have the correct vertical shift or period, so it is not the correct equation.
Hence, the equation of the sinusoid function is:
3 Sin πx + 2.
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Using only addition and multiplication, combine the single -digit numbers 1,2,3,4,5,6,7,8,9. So they total 100. the number must stay in the same order (Parentheses are not needed)
It is not possible to find a combination using addition and multiplication of the given single-digit numbers that totals exactly 100 while keeping the same order.
To combine the single-digit numbers 1, 2, 3, 4, 5, 6, 7, 8, and 9 using only addition and multiplication so that they total 100 while keeping the same order, we can form the following expression:
1 + 2 + 3 + 4 + 5 + 6 + 78 + 9
In this expression, we group the numbers 7 and 8 together to form 78. Then, we add all the other numbers from 1 to 6 and the number 9. Adding them up, we get:
1 + 2 + 3 + 4 + 5 + 6 + 78 + 9 = 108
Unfortunately, the sum obtained from this expression is 108, not 100 as required.
It is not possible to obtain a sum of exactly 100 by combining the single-digit numbers 1 to 9 in the given order using only addition and multiplication. This is because the largest single-digit number, 9, is relatively small compared to the desired total of 100.
Adding all the single-digit numbers in order without any multiplication would result in a sum of 45, which is significantly lower than 100. Multiplication can only further decrease the sum, making it even more difficult to reach 100.
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Suppose a = 9 and b = 4.
Find an exact value or give at least two decimal places:
sin(A) =
cos(A) =
tan(A) =
sec(A) =
csc(A) =
cot(A) =
The trigonometric measures for the triangle in this problem are given as follows:
sin(A) = 0.9137.cos(A) = 0.4061tan(A) = 2.25.sec(A) = 2.4624.csc(A) = 1.0945.cot(A) = 0.4444.What are the trigonometric measures?The six trigonometric measures for a right triangle are given as follows:
Sine of angle: Length of opposite side to the angle divided by the hypotenuse.Cosine of angle: Length of adjacent side to the angle divided by the hypotenuse.Tangent of angle: Length of opposite side to the angle divided by the length of the adjacent side to the angle.Cossecant: One divided by the sine of the angle.Secant: One divided by the cosine of the angle.Cotangent: One divided by the tangent of the angle.From the given right triangle, the sides are given as follows:
a = 9, b = 4.
Then, applying the Pythagorean Theorem, the length of the sqis given as follows:
h² = 9² + 4²
h² = 97
h = square root of 97.
h = 9.85.
Missing InformationThe triangle is given by the image shown at the end of the answer.
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determine the range of the following graph
The range of the graphed function in this problem is given as follows:
[-9, 9].
How to obtain the domain and range of a function?The domain of a function is defined as the set containing all the values assumed by the independent variable x of the function, which are also all the input values assumed by the function.The range of a function is defined as the set containing all the values assumed by the dependent variable y of the function, which are also all the output values assumed by the function.The values of y in this function are between -9 and 9, inclusive, hence the range of the function is given as follows:
[-9, 9].
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questions 12-15 find each measure. assume that all segments that appear to be tangent are tangent.
The answers are :
1) AC = 23.25, 2) ML = JL/2 = 6.4, 3) x = 3 and 4) Perimeter = 66.9
Given are circles we need to find the missing measures,
We know that the tangents are perpendicular to the circle, so,
1) Using the Pythagoras theorem,
AC = √10² + 21²
AC = 23.25
2) Similarly,
JL = √16²-9.6²
JL = 12.8
ML = JL/2 = 6.4
3) Tangents on the same circle are equal, so,
43 - 2x = 12x + 1
42 = 14x
x = 3
4) Perimeter = 20.5 + 21.4 + 13 + 12.1
= 66.9
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Jimmy's lunch box in the shape of a half cylinder on a rectangular box.
Find the total volume of metal needed to manufacture it
Answer:10cm 5cm 7 Jim's lunch box is in the shape of a half cylinder on a rectangular box. To the nearest whole unit, what is a The total volume it contains? b The total area of the sheet metal in 10 in needed to manufacture it? This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts
Step-by-step explanation:
What meaning of the statement this?
Note that the notation "∪C = {x : x ∈ for some S ∈ C} = ∪ { S:S ∈ C}" represents a mathematical statement involving sets.
What is the explanation of this ?∪C : This represents the union (∪) of the sets in C.
{x : x ∈ for some S ∈ C}: This is the description or definition of the elements in the set formed by the union of sets in C.
It states that an element x belongs to the union of sets in C if and only if x belongs to at least one set S that is an element of the set C.
= ∪{ S:S ∈ C} : This means that the union (∪) of sets in C is equal to the union of all sets S that belong to the set C.
In summary, the statement is saying that the union of sets in C consists of all elements that belong to at least one set in C. It is the combined collection of elements from all sets in C.
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