Answer:
33.75 miles
Step-by-step explanation:
\(\frac{1}{15} :\frac{2.25}{y}\)
1 × y = 2.25 × 15
y = 33.75
At a family reunion, each of Shamar's aunts and uncles is getting photographed once. The aunts are taking
pictures in groups of 5 and the uncles are taking pictures in groups of 10. If Shamar has the same total number
of aunts and uncles, what is the minimum number of aunts that Shamar must have?
The minimum number of aunts that Shamar must have based on the information provided is 10.
What are the possible number of uncles and aunts?It is known that uncles will take a photograph in groups of 10, while aunts will take a photograph in groups of 5. Based on this, the possible number for each are:
Uncles: 10, 20, 30, 40, 50
Aunts: 5, 10, 15, 20, 25
How to find the minimum number of relatives?In this case, the minimum number is the LCM or Least Common Multiple and based on the previous list, this number is 10.
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What will be the result of substituting 2 for x in both expressions below?
+4
x+6-x-2
O Both expressions equal 5 when substituting 2 for x because the expressions are equivalent.
O Both expressions equal 6 when substituting 2 for x because the expressions are equivalent.
O One expression equals 5 when substituting 2 for x, and the other equals 2 because the expressions are not
equivalent.
One expression equals 6 when substituting 2 for x, and the other equals 2 because the expressions are not
equivalent.
Both expressions equal 5 when substituting 2 for x because the expressions are equivalent.
Equivalent Algebraic expressions:Algebra is the branch of mathematics that deals with numbers and values which are represented with letters and symbols.
Sometimes, we do not want to mention a particular number, we can represent the number by a letter or a suitable symbol. This approach is algebraic.
For example, d + d = 2d
This is an example of an algebraic expressionns.
Given the algebraic expressions,
\(\frac{1}{2}x + 4 \\ x + 6 - \frac{1}{2}x - 2\)
Substituting 2 for x in the first expression gives:
(1/2 × 2) + 4
1 + 4
5
Substituting 2 for x in the second expression gives:
2 + 6 - (1/2 ×2) - 2
8 - 1 - 2
8 - 3
5
Both expressions equal 5 when substituting 2 for x because the expressions are equivalent.
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One hundred teenagers are sampled at random about how much time (in hours) they spend doing homework on a given night. The results are displayed in the graph below. Predict about how many teenagers out of 250,000 would spend 1 hour doing homework on a give night.
Answer:
0.43x250,000 = 107,500 teenagers.
Step-by-step explanation:
43% of students spend 1 hr on HW< and there are 25,000 students.
43% is basically just 43/100, so 0.43x250,000 is 107,500 students.
B C D 0% Which percentage bar graph best represents the data? 0% 0% 0% Reading Reading Sports Reading Favorite Activities 10% 20% 30% 40% 10% Activity Reading Sports Video games Music Reading T 10% Sports Video games 10% 20% 30% 40% 50% 60% 70% 80% Sports Sports Number of Students 44 55 55 66 20% 30% 40% Video games 50% 60% 70% 80% 20% 30% 40% 50% 60% Video games 50% Video games Music 60% 70% 70% Music 90% 90% Music 80% 80% 90% Music 90% 100% 100% 100% 100%
We can see here that option C is the correct option that gives us the percentage bar graph that best represents the data.
What is bar graph?A bar graph, also called a bar chart, is a form of graph that uses rectangular bars of equal width to depict data. Each bar's height or length reflects the value or frequency of the data it conveys. Discrete or categorical data are frequently compared and analyzed using bar graphs.
We see that from the data given, the total number of students =
44 + 55 + 55 + 66 = 220
Reading = 44/220 × 100% = 20%
Sports = 55/220 × 100% = 25%
Video Games = 55/220 × 100% = 25%
Music = 66/220 × 100% = 30%
Thus, option C is the correct answer.
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-1000 2/3 is not real fraction. True or false
True, While "-1000 2/3" is not a real fraction, it can be represented as the improper fraction -2998/3.
The statement "-1000 2/3 is not a real fraction" is true. A real fraction is a mathematical expression that represents a ratio of two real numbers. In a fraction, the numerator and denominator are both real numbers, and they can be positive, negative, or zero.
In the given statement, "-1000 2/3" is not a valid representation of a fraction. The presence of a space between "-1000" and "2/3" suggests that they are separate entities rather than being part of a single fraction.
To represent a mixed number (a whole number combined with a fraction), a space or a plus sign is typically used between the whole number and the fraction. For example, a valid representation of a mixed number would be "-1000 2/3" or "-1000 + 2/3". However, without the proper formatting, "-1000 2/3" is not considered a real fraction.
It's important to note that "-1000 2/3" can still be expressed as an improper fraction. To convert it into an improper fraction, we multiply the whole number (-1000) by the denominator of the fraction (3) and add the numerator (2). The result would be (-1000 * 3 + 2) / 3 = (-3000 + 2) / 3 = -2998/3.
In conclusion, while "-1000 2/3" is not a real fraction, it can be represented as the improper fraction -2998/3.
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find out price elasticity of supply when 20% change in price of the commodity results change in supply 40%.
Answer:the price elasticity of supply in this scenario is 2.
Step-by-step explanation:
Price Elasticity of Supply = (% Change in Quantity Supplied) / (% Change in Price)
In this case, we are given that there is a 20% change in price, resulting in a 40% change in supply. Let's plug these values into the formula:
Price Elasticity of Supply = (40% / 20%) = 2
Therefore, the price elasticity of supply in this scenario is 2.
PLEASE HELP ON QUESTION ASAP !
hi ! I really need help understanding paragraph and I've also added a question about paragraph by me down below . Would like explanation in simple words.
If answers correct I'll rate you five stars a thanks and maybe even brainliest
Paragraph I needed help understanding:
If two or more cells are connected together side by side, the voltage across them is sum of the voltage of each cell. This is because both cells are pushing same way.
My Question about paragraph:
If the sum lets say was 4.5v would every individual cell be worth 4.5 as it says in question ' voltage across them is the sum of voltage of each cell ' or are they each a different value? And how would we be able to find value?.
helllllllp PPPLZZZZZZZZZZ
Answer:
b because the overall problem has a little four witch makes all those numbers in the problem multiplied by 4
Step-by-step explanation:
The measure of one small angles of a right triangle is 45 less than twice the measure of the other small angle. Find the measure of both angles
Answer:
x + x - 45 = 90
2x - 45 = 90
2x = 135
x = 67.5, so x - 45 = 22.5
The other two angles measure 22.5° and 67.5°.
It cost $660 to put on the school play. How many tickets must be sold at $6 a piece in order to make a profit?
Answer:
the answer is 110
Step-by-step explanation:
660÷6=110.
find the standard deviation of 3, 7, 4, 6, 5 if necessary, round your answer to the nearest tenth
3, 7, 4, 6, 5
First, find the mean.
Mean = Sum of the values / number of values
Mean = (3+7+4+6+5) /5 = 25/5 = 5
Then, find the variance:
Calculate each value difference from the mean
5-3 = 2
7-5 = 2
5-4= 1
6-5=1
5-5= 0
Square each difference, add them, and divide by the number of values.
Variance : (2^2+2^2+1^2+1^2+0^2 )/ 5 = (4+4+1+1) /5 = 10 /5 = 2
Standard deviation= square root of the variance:
√2 = 1.4
Which reason justifies the second statement in the proof below?
Given: parallelogram L E N S and parallelogram N G T H
Prove: Angle L is congruent to angle T.
A. In a parallelogram, consecutive angles are supplementary.
B. Alternate Interior Angles Theorem
C. In a parallelogram, opposite angles are congruent.
D. Corresponding Angles Postulate
SOMEONE PLEASE HELP!
The reason that justifies the second statement "Angle L is congruent to angle T" is:
In a parallelogram, opposite angles are congruent.
Option C is the correct answer.
What is a parallelogram?A parallelogram is a quadrilateral that has two pairs of parallel sides.
In a parallelogram, opposite sides and angles are equal.
The adjacent angles add up to 180 degrees.
We have,
Parallelogram LENS and parallelogram NGTH
Now,
Parallelogram LENS:
∠L = ∠N _____(1)
Opposite angles are equal.
Parallelogram NGTH:
∠N = ∠T ______(2)
Opposite angles are equal.
Now,
∠ENS = ∠GNH
Vertical angles are equal.
So,
From (1) and (2).
∠L = ∠T
Angle L is congruent to angle T
Thus,
Angle L is congruent to angle T
[ In a parallelogram, opposite angles are congruent ].
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expand and simplify.
(m–3)(m+2)
Answer:
m^2-m-6
Step-by-step explanation:
(m-3)(m+2)
m^2 +2m-3m-6
m^2-m-6
Answer:
m² - m - 6
Step-by-step explanation:
(m - 3)(m + 2)
each term in the second factor is multiplied by each term in the first factor, that is
m(m + 2) - 3(m + 2) ← distribute parenthesis
= m² + 2m - 3m - 6 ← collect like terms
= m² - m - 6
Can someone please help me with and explain this?
Answer:
A
Step-by-step explanation:
Point R is (1, 5).
The transformation (x + 1, y - 1) denotes a translation of one unit to the right and one unit downwards.
Simply add one to the x-coordinate and subtract one to the y-coordinate of R. Hence:
\(R'=((1)+1, (5) -1)=(2, 4)\)
Next, we want to dilate RUST by a scale factor of three. Since the dilation is centered on the origin, we can simply multiply each coordinate by three. This yields:
\(R'=(3(2), 3(4))=(6, 12)\)
Our answer is A.
find the equation of ciecle passing through origin radius 17 and ordinate of the center is 15
Answer:
Step-by-step explain
refer to the figure attached
Simplify the following expression.
4√72
O A. 6√24
B.
144√6
OC. 24√6
D. 24√/2
O D.
The expression 4√72 can be simplified by first taking the square root of both sides, which gives us 2√72. Then, we can factor out a 6 from both sides, which gives us 24√6. Therefore, the simplified expression is 24√6.
What is expression?Expression is the process of conveying one’s thoughts, emotions, ideas, and beliefs through speech, writing, art, or any other form of communication. Expression is a form of communication that allows people to express themselves in a way that is meaningful and personal to them. It is a powerful way for individuals to express their thoughts, feelings, and opinions without fear of judgement or criticism. Expression is an important part of self-expression, and it can be used to connect with others through shared experiences, to create a sense of community, and to grow and learn from one another. Expression is an invaluable tool for self-expression, creativity, and communication.
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Which of the following polynomials is in standard form?
z10-5z-6z2+z3
-4+z15+z5-z3
z5-2z4+z2-4z
z5+z15-z3-4
Answer:
running a two year contract is the best i have to do with my life in this world and it has a great way to go through the
Answer:
The 2nd one
Step-by-step explanation:
Please help solving
To evaluate -4.6+7+22+(-7.75) simplifying each term, -4.6+7 = 2.4, 2.4+22 = 24.4, 24.4+(-7.75) = 16.65 so the simplified expression is 16.65 which is a decimal.
What is fraction and evaluate the given expression ?A fraction is a mathematical expression that represents a part of a whole. It consists of a numerator (the top number) and a denominator (the bottom number) separated by a horizontal line.
Fractions can be simplified to their lowest form by dividing both numerator and denominator by their greatest common factor.
To evaluate the expression, we need to simplify each term and then add them together. The steps are as follows:
-4.6 + 7 = 2.4 (subtracting 4.6 from 7)
2.4 + 22 = 24.4 (adding 2.4 and 22)
24.4 + (-7.75) = 16.65 (adding 24.4 and -7.75)
So the simplified expression is 16.65.
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the $700 you put into the bank is being continuously at 1.2%. how much will it be worth after 3 years?
Answer:
$983.45
Step-by-step explanation:
Given data
Principal= $700
Rate= 1.2%
Time= 3 years
The compound interest expression is given as
A= P(1+r)^t
A= 700(1+0.12)^3
A= 700(1.12)^3
A= 700*1.404928
A=$983.45
Hence the balance will be $983.45
What positive value of x make the following eqaution true:x3=64? Explain
Answer:
if the 3 is an exponent, then it is 4 bc 4 to the power of 3 is 64
Step-by-step explanation:
x3=64
Step 1: Take cube root.
x=(64)(13)
x=4
Answer:
x=4
a + b = 10 a - b = 2 Solve the system of equations. Responses
The solution to the given system of equations is a = 6, b = 4.
The system of equations is given as follows:
a + b = 10 .....(i)
a - b = 2 .....(ii)
To solve this system of equations, we can use the method of elimination.
Adding the two equations, we get:
(a + b) + (a - b) = 10 + 2
2a = 12
a = 6
Substituting a = 6 into one of the equations, we get:
6 - b = 2
b = 4
Therefore, the solution to the system of equations is:
a = 6, b = 4.
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One brand of cola co fizz is sold in packs of 4*500ml for 2.50 another brand colo is sold in packs of 10 330mlfo $2 which brand is more expensive
Based on the given information, the second brand, Cola, is the more affordable option in terms of cost per milliliter compared to Co Fizz.
To determine which brand of cola is more expensive, we need to compare the cost per unit volume for each brand.
For the first brand, Co Fizz, a pack contains 4 bottles, and each bottle has a volume of 500 ml. The cost of the pack is $2.50. Therefore, the total volume in a pack is 4 * 500 ml = 2000 ml. To find the cost per milliliter (ml), we divide the total cost by the total volume: $2.50 / 2000 ml = $0.00125 per ml.
For the second brand, Cola, a pack contains 10 bottles, and each bottle has a volume of 330 ml. The cost of the pack is $2. Therefore, the total volume in a pack is 10 * 330 ml = 3300 ml. To find the cost per milliliter (ml), we divide the total cost by the total volume: $2 / 3300 ml ≈ $0.000606 per ml.
Comparing the two brands, we can see that the cost per milliliter for Co Fizz is $0.00125, while the cost per milliliter for Cola is approximately $0.000606.
Since the cost per milliliter for Co Fizz is higher than the cost per milliliter for Cola, it can be concluded that Co Fizz is more expensive in terms of price per unit volume.
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8)
Jordan has a loan at a bank and makes monthly payments. He pays different amounts each month,
but can approximate the total amount he owes the bank using the equation y = -150x + 1250, where
y is the total amount owed and x is the number of months in the loan repayment. Which statement i
true based on the equation?
He started with a loan of $1,100.
(A) He started with a total loan of $150.
(C) He pays approximately $1,250 each
month.
(B)
(D)
He pays approximately $150 each month.
Answer:
D. The answer is D. He pays approximately $150 each month
Evan swims 321 laps in a month. He swims for 22 days in the month, How
many laps does he swim each day? Write your answer as a mixed number,
14 laps
14 13/22 laps
15 5/22 laps
14 7/22 laps
Answer:
Step-by-step explanation:
321
What is the meaning of "if \(\varphi (x)\) has no parameters \(p_{i}\) then the class C is definable"?
The meaning of the statement, "if the function has no parameters, then the class C is definable" is that if there are no parameters given then the class c can be defined with an empty set but if there are no parameters, then the class cannot be defined.
What is the meaning of the statement?The meaning of the above statement is that if no parameters are provided for this function, then the given class represented as c can be defined with an empty set that is enclosed in parameters.
Also, if the parameters are given then the class c is not defined.
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Find the x-intercepts of the graph.
20
X =
10
y
2
4
y=-3x² + 14x + 5
], x=
X
X
The x-intercept of the function is (-1/3, 0) and (5, 0)
Given is a graph of a parabola having equation y = -3x²+14x+5, we need to find the x-intercept of the graph,
So to find the x-intercept put y = 0,
Therefore,
-3x²+14x+5 = 0
-3x²+15x-x+5 = 0
-3x(x-5)-1(x-5) = 0
(-3x-1)(x-5) = 0
Therefore,
x = -1/3 and x = 5
Hence the x-intercept of the function is (-1/3, 0) and (5, 0)
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6th grade math I mark as brainliest
Answer:
8
Step-by-step explanation:
The exponent is the top number, which in this case would be 8.
Answer:
169.83
Step-by-step explanation:
big brain
Please help will mark Brainly
The graph of g(x) = f(x - 5) has a slope of 1 and the y-intercept is -5
How to interpreted the graphA graph is a pictorial representation of data and the graph presented represents g(x) = f(x - 5) is attached
The graph shows a linear function written in the slope intercept form form as
y = mx + c
where
m = slope
c = intercept
x = input variables
y = output variables
Comparing the equation with the above we can see that
m = 1
y intercept, c
this is a point where the graph cuts the y axis
c = -5
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Please help as soon as possible
The exact values are:
sin(α + β) = (-6√5 - 8)/25
cos(α + β) = (4√5 - 6)/25
sin(α - β) = (-6√5 + 8)/25
tan(α - β) = (-9√5 + 45)/4
We have,
Recall the trigonometric identities:
sin(a + b) = sin(a)cos(b) + cos(a)sin(b)
cos(a + b) = cos(a)cos(b) - sin(a)sin(b)
sin(a - b) = sin(a)cos(b) - cos(a)sin(b)
cos(a - b) = cos(a)cos(b) + sin(a)sin(b)
tan(a - b) = (tan(a) - tan(b))/(1 + tan(a)tan(b))
Using these identities, we can find the exact values of the expressions given.
(a) Sin (α + β)
sin(α + β) = sin(α)cos(β) + cos(α)sin(β)
= (√5/5)(-3/5) + (2/5)(-4/5) (using the values given for sin and cos)
= -6√5/25 - 8/25
= (-6√5 - 8)/25
(b) Cos (α + β)
cos(α + β) = cos(α)cos(β) - sin(α)sin(β)
= (2/5)(-3/5) - (√5/5)(-4/5) (using the values given for sin and cos)
= -6/25 + 4√5/25
= (4√5 - 6)/25
(c) Sin (α - β)
sin(α - β) = sin(α)cos(β) - cos(α)sin(β)
= (√5/5)(-3/5) - (2/5)(-4/5) (using the values given for sin and cos)
= -6√5/25 + 8/25
= (-6√5 + 8)/25
(d) tan (α - β)
tan(α - β) = (tan(α) - tan(β))/(1 + tan(α)tan(β))
= ((√5/5) - (-4/5))/(1 + (√5/5)(-4/5)) (using the values given for sin and cos)
= (9√5/5)/(1 - 4/5√5)
= (-9√5 + 45)/4
Therefore,
The exact values are:
sin(α + β) = (-6√5 - 8)/25
cos(α + β) = (4√5 - 6)/25
sin(α - β) = (-6√5 + 8)/25
tan(α - β) = (-9√5 + 45)/4
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Rewriting 3x^2=6x and solving with rewritten
Answer:
x = 0 , x = 2
Step-by-step explanation:
3x² = 6x ( subtract 6x from both sides )
3x² - 6x = 0 ← factor out 3x from each term
3x(x - 2) = 0
equate each factor to zero and solve for x
3x = 0 ⇒ x = 0
x - 2 = 0 ( add 2 to both sides )
x = 2
solutions are x = 0 , x = 2