Answers
Answer:
1. all real numbers
2. y > 0
3. approaches y = 0
Related Questions
The graph below shows the cost of pens based on the number of pens in a pack. What would be the cost of one pen?
$0.57
$1.75
$5.50
$6.50
Answers
Answer:
$1.75
Step-by-step explanation:
Honestly, you don't really have to pay attention to the other numbers or ratios on the graph until you think you found your answer. Pay attention to whichever ratio you choose and follow these steps:
1. Identify which number is the cost and which is the amount of pens bought
2. Set it up as a division problem by using the cost and the dividend and the amount of pens as the divisor
3. After you have your answer, plot your ratio of 1:(your product) and if the line that was graphed is straight, you are correct.
PS. I used the ratio (2:3.5) to solve this problem
You separate bulbs of garlic into two groups. One for planting and one for cooking. The tape diagram represents the ratio of bulbs for planting to bulbs for cooking. You use six bulbs for cooking. Each bulb has 8 cloves. How many cloves of garlic will you plant.
Answers
The number of cloves of garlic you will plant is 288
Given,
There are two groups of garlic bulbs.
Ratio of garlic bulbs = Planting : Cooking = 6 : 1
The number of garlic bulbs used for cooking = 6
The number of cloves in a garlic bulb = 8
We have to find the number of cloves of garlic used for planting:
Here,
Ratio = 6 : 1
1 in ratio represents 6 bulbs of garlic
So, 6 will be, 6 × 6 = 36
That is, the number of garlic bulbs used for planting is 36.
Now,
Number of cloves of garlic used for cooking = 6 × 8 = 48 cloves
Number of cloves of garlic used for planting = 36 × 8 = 288 cloves.
That is, the number of cloves of garlic you will plant is 288.
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1. The image below represents the dimensions of
Mike's Bike ramp in feet. How far does Mike have to
ride to reach the end of his ramp? Give the exact
distance.
V
5
10
SIMPLIFY THE RADICAL.
Answers
Answer:
V plus 5 is four
Step-by-step explanation:
dimensions of
Mike's Bike ramp in feet. How far does Mike have to
ride to reach the end of his ramp? Give the exact
distance.
V
5
10
SIMPLIFY THE RADICAL.
Hold on, our servers are swamped. Wait for your answer to fully load. dimensions of
Mike's Bike ramp in feet. How far does Mike have to
ride to reach the end of his ramp? Give the exact
distance.
V
5
10
SIMPLIFY THE RADICAL.
Hold on, our servers are swamped. Wait for your answer to fully load. dimensions of
Mike's Bike ramp in feet. How far does Mike have to
ride to reach the end of his ramp? Give the exact
distance.
V
5
10
SIMPLIFY THE RADICAL.
Hold on, our servers are swamped. Wait for your answer to fully load. dimensions of
Mike's Bike ramp in feet. How far does Mike have to
ride to reach the end of his ramp? Give the exact
distance.
V
5
10
SIMPLIFY THE RADICAL.
Hold on, our servers are swamped. Wait for your answer to fully load. dimensions of
Mike's Bike ramp in feet. How far does Mike have to
ride to reach the end of his ramp? Give the exact
distance.
V
5
10
SIMPLIFY THE RADICAL.
Hold on, our servers are swamped. Wait for your answer to fully load. dimensions of
Mike's Bike ramp in feet. How far does Mike have to
ride to reach the end of his ramp? Give the exact
distance.
V
5
10
SIMPLIFY THE RADICAL.
Hold on, our servers are swamped. Wait for your answer to fully load. dimensions of
Mike's Bike ramp in feet. How far does Mike have to
ride to reach the end of his ramp? Give the exact
distance.
V
5
10
SIMPLIFY THE RADICAL.
Hold on, our servers are swamped. Wait for your answer to fully load. dimensions of
Mike's Bike ramp in feet. How far does Mike have to
ride to reach the end of his ramp? Give the exact
distance.
V
5
10
SIMPLIFY THE RADICAL.
Hold on, our servers are swamped. Wait for your answer to fully load.
Each classroom at a school has 24 desks. There are 18 classrooms in the school. How many desks are at the school?
A
444 desks
B
432 desks
C
424 desks
D
402 desks
Answers
Answer:
The answer is B. There are 432 desks in all 18 classes
russell works at a football concession stand selling drinks for $2 and bags of chips for $3
Answers
Answer:
its 5
Step-by-step explanation:
2+3 = 5
-_-
The number of drinks sold by Russell were 54 and number of chip sold were 46.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given,
Russel sells a total of 100 drinks and bags of chips
C+D=100...(1)
Drinks for $2 and bags of chips for $3.Russell makes a total of $246
3C+2D=$246..(2)
Let us solve above two equations to find the number of drinks and chips sold.
C=100-D (From (1))...(3)
Substitute (3) in (2)
3(100-D)+2D=246
300-3D+2D=246
300-D=246
300-246=D
D=54
Now plug D value in equation (1)
C+54=100
Subtract 54 from both sides
C=100-54
C=46
Hence the number of drinks sold by Russell were 54 and number of chip sold were 46.
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Evaluate the factorial expression.15!12!(4−1)!
Answers
we have
15!12!(4−1)!
15!12!(3!)=3,758,268,687,305,932,800,000
therefore
the answer is
3,758,268,687,305,932,800,000Help me out thankkk you
Answers
what is the value of x
Answers
The value of x in the triangle is 20
How to determine the value of x?From the triangle, we have the following equivalent ratios:
5x+ 10 : 121 = 10 : 11
Express as fraction
5x + 10/121 = 10/11
Multiply both sides by 121
5x + 10 = 110
Subtract 10 from both sides
5x = 100
Divide both sides by 5
x = 20
Hence, the value of x in the triangle is 20
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If A = \(\left[\begin{array}{ccc}cosx&-sinx\\sinx&cosx\end{array}\right]\), then show that \((A^{-1} )^{-1}\)
Answers
Given:
The matrix is:
\(A=\begin{bmatrix}\cos x&-\sin x\\\sin x&\cos x\end{bmatrix}\)
To show:
\((A^{-1})^{-1}=A\)
Solution:
If a matrix is:
\(M=\begin{bmatrix}a&b\\c&d\end{bmatrix}\)
Then,
\(M^{-1}=\dfrac{1}{ad-bc}\begin{bmatrix}d&-b\\-c&a\end{bmatrix}\)
We have,
\(A=\begin{bmatrix}\cos x&-\sin x\\\sin x&\cos x\end{bmatrix}\)
Using the above formula, we get
\(A^{-1}=\dfrac{1}{(\cos x)(\cos x)-(-\sin x)(\sin x)}\begin{bmatrix}\cos x&\sin x\\-\sin x&\cos x\end{bmatrix}\)
\(A^{-1}=\dfrac{1}{\cos^2x+\sin^2x}\begin{bmatrix}\cos x&\sin x\\-\sin x&\cos x\end{bmatrix}\)
\(A^{-1}=\dfrac{1}{1}\begin{bmatrix}\cos x&\sin x\\-\sin x&\cos x\end{bmatrix}\)
\(A^{-1}=\begin{bmatrix}\cos x&\sin x\\-\sin x&\cos x\end{bmatrix}\)
Now, the inverse of \(A^{-1}\) is:
\((A^{-1})^{-1}=\dfrac{1}{(\cos x)(\cos x)-(\sin x)(-\sin x)}\begin{bmatrix}\cos x&-\sin x\\\sin x&\cos x\end{bmatrix}\)
\((A^{-1})^{-1}=\dfrac{1}{\cos^2x+\sin^2x}\begin{bmatrix}\cos x&-\sin x\\\sin x&\cos x\end{bmatrix}\)
\((A^{-1})^{-1}=\dfrac{1}{1}A\)
\((A^{-1})^{-1}=A\)
Hence proved.
Por favor ayuda es para una practica -2-|-2|-|-3|+3 ------------------- |-1|+|-1|-|-3| por favor ayudaa
Answers
Respuesta:
-4;
-1
Explicación paso a paso:
Dado :
-2- | -2 | - | -3 | +3
Los números entre barras verticales son valores absolutos y se tratan como positivos:
-2 - +2 - +3 + 3 = - 2-2-3 + 3 = - 4
| -1 | + | -1 | - | -3 |
Los números entre barras verticales son valores absolutos y se tratan como positivos
1 + 1 - + 3 = 1 + 1-3 = - 1
On June 4th 2020, a new language was created called Math - is - fun! This language is a place value system which is written horizontally and the units place is on the right side and there is a space between each unit. The numerals used for this language are as follows: ! + 1 10 The positional values are as follows: ...,15^3 x 7^1, 15^2 x 7^1, 15 x 7^1, 7^1, 7^0 1) Write the numeral 125,126 in the language of Math – is – fun!
Answers
Answer:
56555666565252
Step-by-step explanation:
the numeral 125,126 in the language of Math - is - fun! is "+ 15 x 7¹ + 15 x 7¹ + 7¹ + 7⁰".
In the language of Math - is - fun!, the numerals used are !, +, 1, and 10. The positional values are as follows: ..., 15³ x 7¹, 15² x 7¹, 15 x 7¹, 7¹, 7⁰.
To write the numeral 125,126 in the language of Math - is - fun!, we need to express it using the available numerals and positional values.
125,126 can be expressed as:
15² x 7¹ + 15 x 7¹ + 7¹ + 7⁰
In Math - is - fun! notation, this becomes:
+ 15 x 7¹ + 15 x 7¹ + 7¹ + 7⁰
So, the numeral 125,126 in the language of Math - is - fun! is "+ 15 x 7¹ + 15 x 7¹ + 7¹ + 7⁰".
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Christopher scored 7 more than two times the questions Mathew scored on the math test. If Christopher scored 87 on the math test, what was Mathew's score?
Answers
Answer:
40
Step-by-step explanation:
To solve this, we can create an equation that represents this situation. Since Christopher score 7 more than twice what Mathew scored, the equation will be:
C = 2M + 7
(Variables are representative of the first letter of each name)
Seeing as Christopher scored 87, we can put that into the equation and solve for M.
So, the equation will be:
87 = 2M + 7
Subtract 7 from both sides in order to isolate variable M on the right side.
80 = 2M
Now solve for M, which is 40 (divide both sides by 2).
If 18 oz of laundry detergent costs $14.94. What is the unit rate?
Answers
Answer: $2.45
Step-by-step explanation:
7.27 is rational or irrational
Answers
Answer:
irrational
Step-by-step explanation:
Answer:
it's irrational because it can't be a fraction and it keeps repeating
Isla has 225 trading cards and Lily has 180 trading cards. a) Calculate the number of Isla's trading cards as a percentage of the number of Lily's trading cards. b) Calculate the number of Lily's trading cards as a percentage of the number of Isla's trading cards. Give your answers to the nearest 1%.
Answers
(a) Isla's trading cards are 125% of Lily's trading cards.
(b) Lily's trading cards are 80% of Isla's trading cards.
Given that,
There are 225 trading cards and Lily has 180 trading cards.
To calculate the percentage of Isla's trading cards compared to Lily's,
We can use this formula:
⇒ Isla's trading cards / Lily's trading cards x 100%
Plugging in the values we get:
⇒ (225 / 180) x 100% = 125%
Therefore,
Isla's trading cards are 125% of Lily's trading cards.
b) To calculate the percentage of Lily's trading cards compared to Isla's, we can use the formula:
⇒ Lily's trading cards / Isla's trading cards x 100%
Plugging in the values we get:
(180 / 225) x 100% = 80%
Therefore,
Lily's trading cards are 80% of Isla's trading cards.
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A non-Newtonian liquid demonstrates properties of both a solid and a liquid. A recipe for a non-Newtonian liquid calls for 1 cup of water and 2 cups of cornstarch. Select two possible combinations of water and cornstarch that you can use to make a larger batch.
Answers
Suppose you have a rectangle with length 90 units and width 26 units. Each turn, you cut off the greatest possible square from the rectangle. You do so until you have only squares. How many squares will you get
Answers
We have cut out a total of 29370 squares.
First, let's find the greatest possible square that can be cut from the rectangle. This square will have a side length equal to the width of the rectangle, which is 26 units.
After cutting this square from the rectangle, we are left with a smaller rectangle that measures 90 units by (90-26=) 64 units.\
Now we repeat the process and cut out the largest possible square, which has a side length of 64 units.
After cutting out this square, we are left with a rectangle that measures 64 units by (64-26=) 38 units.
We continue this process until we can no longer cut out any more squares.
The side length of the remaining rectangle will be the length of the last square that we cut out.
Let's call this side length x.
At this point, the length of the rectangle is equal to the width, so:
90 - 26 - 64 - 38 - ... - x = x.
Simplifying this equation, we get:
(90 - 26 - 64 - 38 - ...) + x = x
2x = 90 - 26 - 64 - 38 - ...
2x = 90 - (26 + 64 + 38 + ...)
2x = 90 - (26 + 64 + 38 + 26 + 16 + 4 + 2)
2x = 90 - 176
2x = -86
x = -43
Since x cannot be negative, we know that we cannot cut out any more squares.
Therefore, we have cut out a total of:
\(26^2 + 64^2 + 38^2 + ... + (-43)^2\)
To calculate this sum, we can use the formula for the sum of the squares of the first n natural numbers:
\(1^2 + 2^2 + 3^2 + ... + n^2 = n(n+1)(2n+1)/6.\)
We need to find the value of n such that \(n^2\) is equal to \(43^2\)or the closest perfect square below it, which is \(42^2\).
We have:
\(42^2 = 1764.\)
\(43^2 = 1849\)
So n is equal to 42.
Therefore, the sum of the squares of the squares we have cut out is:
\(26^2 + 64^2 + 38^2 + ... + (-43)^2 = 26^2 + 64^2 + 38^2 + ... + 42^2\)
\(= 1^2 + 2^2 + 3^2 + ... + 42^2 - (1^2 + 2^2 + 3^2 + ... + 25^2)\)
\(= 42(42+1)(242+1)/6 - 25(25+1)(225+1)/6.\)
= 29370.
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Em uma enorme ampulheta, foram colocadas 40 kg de areia. Sabe-se que a areia escoa lenta e uniformemente à razão de 500g por dia e que 2/5 da areia inicial já escoaram. Quantos dias faltam para a areia escoar totalmente?
Answers
Answer:
48 dias
Step-by-step explanation:
1000 gramas = 1 kg
A quantidade inicial de areia = 40kg
1 kg = 1000g
40kg = x
Multiplicação cruzada
1 kg × x = 40 kg × 1000g
x = 40 kg × 1000g / 1 kg.
x = 40,000 gramas
Somos informados de que 2/5 se esgotou.
Quantidade que foi drenada =
40,000 × 2/5
= 16,000 gramas foram drenados
Quantidade restante = 40,000 gramas - 16,000 gramas
= 24,000 gramas
A areia escoa a 500g por dia, portanto,
500g = 1 dia
24,000g = x
Multiplicação cruzada
500g × x = 24, 000 × 1
x = 24,000 g × 1 dia / 500
x = 48 dias
Restariam 48 dias para que a areia restante vazasse.
this is the question please help.
Answers
if anyone could do 1,2,3 or 4 that would be great! thanks and i’ll give brainliest :)
Answers
Answer:
ok i will teach all just chat me
Step-by-step explanation:
ok
Cual es el resultado de la división?
Answers
Answer:
Step-by-step explanation:
0.52
If angles A and Bare alternate interior angles, what is the measure of angle B
if angle A measures 105°?
O A. 90°
B. 75°
C. 180°
D. 105
Answers
Alternate interior angles are congruent so angle A is congruent to angle B
Determine the quotient of 1 and 2 over 3 divided by 4 over 5.
Answers
Answer:
it is 2
Step-by-step explanation:
Your friend says that -x/y equals a positive number, where x and y can be any number except zero. Is this correct?
Answers
No, your friend's statement is not correct. The expression -x/y does not always equal a positive number. It can be positive or negative, depending on the values of x and y.
To understand this, let's consider some examples:
1. If x is positive and y is positive, then -x/y will be negative. For example, if x = 2 and y = 3, then -x/y = -(2/3) = -2/3, which is negative.
2. If x is negative and y is positive, then -x/y will be positive. For example, if x = -2 and y = 3, then -x/y = -(-2/3) = 2/3, which is positive.
3. If x is positive and y is negative, then -x/y will be positive. For example, if x = 2 and y = -3, then -x/y = -(2/-3) = 2/3, which is positive.
4. If x is negative and y is negative, then -x/y will be negative. For example, if x = -2 and y = -3, then -x/y = -(-2/-3) = -2/3, which is negative.
As you can see from these examples, the sign of -x/y can be positive or negative, depending on the values of x and y. So, it is not correct to say that -x/y always equals a positive number.
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Need help again plzzzzzzzzz
Answers
the answer is 2/5
Step-by-step explanation:
my brain
Help?
Thanks guys!
Its math stufff, I also kinda need an explanation.
Answers
Answer:
Step-by-step explanation:
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Length from c to d is 2
Ratio is 6:2
Simplify by dividing both by 2
Ratio is 3:1
Length from e to f is 1
Length from a to g is 6+4+2+5+1+7
After addition, length from a to g is 25
Ratio is 1:25
6) please help solve sin²3theta=1
Answers
Answer:
Step-by-step explanation:
Clare used 25% less butter this month than last month when baking holiday treats. If she used 240 tablespoons of butter last month, how many tablespoons did she use this month?
Answers
Answer:
180 tablespoons
Step-by-step explanation:
240×.25=60
240-60=180
Answer:
180
Step-by-step explanation:
Solve for X.
- 4x + 10 = 50
Answers
Answer: -10
Step-by-step explanation:
10 x 4 is 40 so with 2 negatives, it turns positive, and 40 plus 10 = 50
Answer:
x=-10
Step-by-step explanation:
-4x+10=50
10=50+4x
-50+10=4x
-40=4x
4x=-40
x=-40÷4
x=-10
At the beginning of the week, you have $42 in your savings account. During the week, you deposit $25 and withdraw $36. How much money is in your account at the end of the week? *
Answers
Answer: you have $31 at the end of the week
Step-by-step explanation:
First, let's put this problem into an algebraic expression. We started off with $42. We then added $25 and took out $36 during the week. The expression for this problem is
42
+
25
−
36
.
Next, add 42 and 25 together to get
67
. We now have
67
−
36
.
Finally, subtract 36 from 67 to get
31
, our answer.