Answer:
Try no solution
Step-by-step explanation:
Solving for the solution the answer is 4
Solving for x the answer is no solution
What is the ratio for dogs is 5 to 3. There are 25 dogs how many cats are there
Answer:
25:15
Hope this helps :)
Step-by-step explanation:
5:3 so since there is 25 dogs we had to multiply 5 to the 5 in 5:3. We will have to multiply 5 to the 3 in 5:3 to get number of cats.
5:3 = 25:15
Answer:
[tex] = 15[/tex]
Step-by-step explanation:
Taking that the ratio of dogs to cats is 5:3, then:
dogs =5cats = 3The number of dogs = 25, so:
[tex]5 = 25 \\ 3 = x \\ x= 25 \times 3 \div 5 \\ x = 15[/tex]
James buys a drink for 2 euros (€).
Work out the cost of the drink in pounds (£) when £1 = €1.252.
Give your answer correct to 2 decimal places.
Answer:
£1.6
Step-by-step explanation:
we can round 1.252 to 1.25
to find how much 2 euros is, we first have to make 1.25 into 2.
to do that, we will use the same equation to get the answer for £
1.25/5*8=0.25*8=2. now we repeat for £1
1/5*8=0.20*8=1.6
hope it helps
Qs. Here are four cards. There is a number on each card. 7 8 4 9 (a) Write down the largest 4-digit number that can be made using each card only once.
Answer:9874
Step-by-step explanation:
HELPPPPPPPPPPPPPPP
Solve for x for each trapezoid.
*
Answer:
10
Step-by-step explanation:
Opposite sides of a trapezoid are parallel. So, by the same-side interior angles theorem,
[tex]9x+30+7x-10=180 \\ \\ 16x+20=180 \\ \\ 16x=160 \\ \\ x=10[/tex]
h(x) = x³ - 2x² + x; Find h(4)
Answer:
the value of h(4) is 36 from given equation.
Step-by-step explanation:
Given that
The polynomial equationh(x) = x³ - 2x² + x
To find
h(4) = ...... ?So, according the question
We have,
h(x) = x³ - 2x² + x
For finding the value of h(4) from the given polynomial equation, we have to replace x from 4 or in other word we have to put x = 4 in given polynomial equation.
So, let's put x = 4 in that equation.
We get,
h(4) = (4)³ - 2(4)² + 4
= 64 - 2×16 + 4
= 68 - 32
h(4) = 36
Answer: Hance the value of h(4) is 36 from given equation.
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between which two hundred thousands is the number 185,104
Answer:
185,104 is between 100,000 and 200,000.
Hope this helps :)
Step-by-step explanation:
100,000 comes before 185,104 and 200,000 comes after 185,104.
The sum of a number x and 33 is greater than the product of 4 and that number. What are the possible values for the number?
11 > x is the possible values for the number.
What is algebraic expression ?In algebraic formulations, numbers are represented by letters or alphabets without their numerical values being specified. The fundamentals of algebra taught us how to represent an unknown value using letters like x, y, and z. Here, these letters are referred to as variables. A mathematical expression may have both variables and constants. A coefficient is any value that is introduced before and increased by a variable.
Given that :The sum of a number x and 33 is greater than the product of 4 and that number.
x + 33 > 4x
33 > 3x
11 > x
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Carlos' pay stub is shown. What is his net
pay? Round to the nearest cent.
Gross Pay (Wages)
Medicare
Social Security (6.2%)
Federal Withholding
Income Tax (19%)
Gross Pay-$1,800.00
Medicare-$26.10
Social Security (6.2%)-?
Federal Withholding Income Tax (19%)-?
By removing the taxes from the gross pay, we can see that Carlos' net pay is 1,320.30 dollars.
How to get Carlos' net pay?To get Carlos' net pay, we need to take his gross pay, which is $1,800.00 and subtract all the taxes shown here.
The taxes (in percentage) are:
Income tax = 19%Social security = 6.2%The total percentage in these taxes is 19% + 6.2% = 25.2%
Then a 25.2% of the gross pay will be gone in taxes, then we need to subtract:
0.252* $1,800.00 = $453.60
We also need to subtract the $26.10 for Medicare, then we will get that Carlos' net pay is given by the expression:
$1,800.00 - $26.10 - $453.60 = $1,320.30
We conclude that, after taxes and that, Carlos' net pay is 1,320.30 dollars.
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Can anyone help me with this problem?
Answer:
I genuinely believe the answer is five
Step-by-step explanation:
simplify
please solve this...
Answer:
y-1/y^2 +4y
Step-by-step explanation:
2y - 1/y x (y + 4) - y-2/y^2 +4y - 2y -8
2y-1/y x (y+4 - y-2/y x (y +4 ) - 2(y + 4)
2y -1 / y x (y+4) - y-2/(y+4) x (y-2)
2y-1/y x (y+4) - 1/y +4
2y -1 -y/y x (y + 4)
y-1/y^2 +4y
Answer:
[tex]\dfrac{y-1}{y(y+4)}[/tex]
Step-by-step explanation:
Given expression:
[tex]\implies \dfrac{2y-1}{y^2+4y}-\dfrac{y-2}{y^2+2y-8}[/tex]
Factor the denominators of both fractions:
[tex]\implies \dfrac{2y-1}{y(y+4)}-\dfrac{y-2}{y^2+4y-2y-8}[/tex]
[tex]\implies \dfrac{2y-1}{y(y+4)}-\dfrac{y-2}{y(y+4)-2(y+4)}[/tex]
[tex]\implies \dfrac{2y-1}{y(y+4)}-\dfrac{y-2}{(y-2)(y+4)}[/tex]
Cancel the common factor (y - 2) of the right fraction:
[tex]\implies \dfrac{2y-1}{y(y+4)}-\dfrac{1}{(y+4)}[/tex]
Adjust the fractions based on the LCM of y(y + 4):
[tex]\implies \dfrac{2y-1}{y(y+4)}-\dfrac{y}{y(y+4)}[/tex]
[tex]\textsf{Apply the fraction rule} \quad \dfrac{a}{c}-\dfrac{b}{c}=\dfrac{a-b}{c}:[/tex]
[tex]\implies \dfrac{2y-1-y}{y(y+4)}[/tex]
Simplify:
[tex]\implies \dfrac{y-1}{y(y+4)}[/tex]
5k + 3 ≤ − 32 or −4k + 7 < −29
Answer/Step-by-step explanation:
5k + 3 ≤ -32 or -4k + 7 < -29
-3 -3 -7 -7
5k ≤ -35 -4k < -36
÷5 ÷5 ÷-4 ÷-4
k ≤ -7 k > 9
<---- ------------>
<----|----------------O----------->
-7 9
(-∞, -7], (9, ∞)
I hope this helps!
PLEASE HELP URGENT
Find the angle measure. Tell which angle relationship you used. Show all work
Answer:
Step-by-step explanation:
1. m1=50 so m5= 50 (corresponding)
2. m4=45, then m6=123 (given in 4. but also... angles 6+8 = 180)
3. m2= 130, so m7 = 130 (alt interior)
4. m6 = 123, so m3 = (alt interior)
A coordinate grid with a line passing through (negative 4, 0) and (0, negative 8)
The line y = –2x – 8 is graphed. Which ordered pairs are solutions to the equation? Check all that apply.
(–8, 8)
(–6, 2)
(–2, 4)
(0, –4)
(2, –12)
Answer: The answers are (-8,8) and (2,-12)
Step-by-step explanation: I substituted the coordinates into the equations and on both sides they matched!
Hope this helps! :3
In 2-15, estimate each product.
77 x 412
Answer:
Hope this helps :)
412 × 77 = 31,724
Which is estimated about 30,000 something.
The population of Brazil was 10.112 million in 1855 and 12.51 million in 1860. Estimate the population of Brazil in 1870.
A.
11.82 million
B.
12.81 million
C.
19.15 million
D.
20.00 million
Based on the population of Brazil in 1855 and 1860, the estimated population in 1870 is C. 19.15 million
What is Brazil's estimated population in 1870?The increase in the population between 1855 and 1860 was:
= 12.51 - 10.112
= 2.398 million
The increase is:
= 2.398/10.112
= 24%
With an increase of 24% every 5 years, the population in 1870 is:
= 10.112 x (1 + 24%)³
= 19.27 million
In conclusion, we can estimate that the population of Brazil in 1870 was 19.15 million.
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34.624 times what equals 34,624
Answer:
1000
Step-by-step explanation:
The equation is,
→ 34.624 × x = 34624
Solving for the value of x,
→ 34.624 × x = 34624
→ x = 34624/34.624
→ [ x = 1000 ]
Thus, value of x is 1000.
A local mountain biking club charges
$45 to join and $5 for each bike trip a
member goes on. Write an algebraic
expression to represent the total some-
one pays, where b represents the num-
ber of trips a person travels.
Answer:
x=45+5b
Step-by-step explanation:
x is the total
pls help me i need help
7.25 is the right response as a change figure.
According to the query, Joyce purchased 2.2 pounds of apples for a total of $1.25 per apple.
As a result, Joyce has paid a total of 2.2 x 1.25 = 2.75.
She then paid the $10 bill:
Amount left over: 10 - 2.75 = 7.25
Therefore, 7.25 is the right response as the remaining sum.
Cost price: What is it?Cost price is the sum of money that is paid to the maker or the buyer for the good. They'll alter the sum and set a selling price later.
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Function Operations
Given the functions: f(x) = 6x + 3 and g(x) = x² + 10x - 7,
Part 1
[tex](f+g)(x)=f(x)+g(x) \\ \\ =(6x+3)+(x^2 +10x-7) \\ \\ =\boxed{x^2 + 16x-4}[/tex]
Part 2
[tex](f-g)(x)=f(x)-g(x) \\ \\ =(6x+3)-(x^2 +10x-7) \\ \\ =6x+3-x^2-10x+7 \\ \\ =\boxed{-x^2 - 4x+10}[/tex]
Part 3
[tex](f\cdot g)(x)=f(x) \cdot g(x) \\ \\ =(6x+3)(x^2 +10x-7) \\ \\ =6x^3 + 60x^2 - 42x+3x^2 + 30x-21 \\ \\ =\boxed{6x^3 + 63x^2 - 12x-21}[/tex]
Part 4
[tex]\left(\frac{f(x)}{g(x)} \right)=\frac{f(x)}{g(x)} \\ \\ =\boxed{\frac{x^2 + 10x-7}{6x+3}}[/tex]
What is the equation for the trend line passing through the scatter plot below using data points (10, 6) (30, 12)?
The linear equation that passes through (10, 6) and (30, 12) is:
y = (3/10)*x + 3
How to find the equation of the line?Remember that the general line equation (in the slope-intercept form) is:
y = a*x + b
Where a is the slope and b is the y-axis intercept.
If the line passes through two points (x₁, y₁) and (x₂, y₂), the slope will be:
a = (y₂ - y₁)/(x₂ - x₁)
Then in this case the slope is:
a = (12 - 6)/(30 - 10) = 6/20 = 3/10
Replacing that in our line we get:
y = (3/10)*x + b
To find the value of b we replace the values of one of the points, i will use (10, 6), it gives:
6 = (3/10)*10 + b
6 = 3 + b
6 - 3 = b = 3
Then we conclude that the linear equation is:
y = (3/10)*x + 3
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Name the variable terms of the expression. Then underline the variable part of each term.
5-8n-3n^2
The variable terms of the expression 5 - 8n - 3n² are: n, n²
(5 - 8n - 3n²)
In this question, we have been given an expression 5-8n-3n^2
We need to name the variable terms of the expression.
Also, we need to underline the variable part of each term.
We know that, variable is a term which represents an unknown value or quantity.
We have been given an quadratic expression.
5 - 8n - 3n²
We can observe that, 5, -8, -3 are fixed numbers i.e., constants.
And the alphabet n can take any real value.
Consider the first term,
5 => it is a constant
Consider the second term,
- 8n => here, the variable is n
Consider the third term,
- 3n² => here, the variable is n²
Now, we underline the variable part of each term.
5 - 8n - 3n²
Therefore, the variable terms of the expression 5 - 8n - 3n² are: n, n²
(5 - 8n - 3n²)
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help pleaseeeeeeeeeeeeeeeeeeeeeeee
Answer:
C(x) = 20x + 120
Step-by-step explanation:
(a). If x=5 (you replace x with 5)
C(5) = 20(5) + 120
= 100+120=$220
Cost of producing five items is $220
(b). if x=16
C(16) = 20(16) + 120
= 320 + 120 = $440
Cost of producing sixteen items is $440
(c). C(35) = 820
This means that the cost of producing 35 items is $820
Hope this helps :-) xoxo
Father+son's age= 60 yrs. after 15 years father's age will be 2X to the son's age, what is the son's current age?
Answer:
the father is 45 and the son is 15
if the given set of ratios is equivalent, find the unknowns
The values of the two unknowns x and y are 8 and 32 respectively.
Here, we are given the following set of ratios-
21x, 1/4, y/8
These ratios are all equivalent, this implies-
2/x = 1/4 = y/8
Let us take the first two ratios-
2/x = 1/4
cross multiplying the two we get
2 x 4 = x
8 = x
x = 8
We've found the value of x
Now, let us take the other two ratios-
1/4 = y/8
again, cross multiplying the two we get
y = 4 x 8 y = 32
Thus, the values of the two unknowns x and y are 8 and 32 respectively.
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Your question was incomplete. Check for full content below-
21x, 1/4, 7/8
If the given set of ratios is equivalent, find the unknowns.
What are 5 of examples about positive and negative numbers and real life
Answer:
Above sea level (positive)
Below sea level (negative)
Temperature (can be both)
Money loans (can be both)
science (protons have both negative and positive charge)
Step-by-step explanation:
Math question please answer
Answer:
Option 3
Step-by-step explanation:
See attached image.
A rare manuscript increased in value 800% over the past 5 years. This was an increase of $2,000. What was the value of the manuscript 5 years ago? What is the value of the manuscript now?
Value of the manuscript is as follows
A. The value of the manuscript 5 years ago is $250.
B. The value of the manuscript now is $10,000.
Appreciation is an increase in the value of an asset over time. This is unlike depreciation, which lowers an asset's value over its useful life. The appreciation rate is the rate at which an asset grows in value.
% increase=(new price - original price) / original price
8.0= 2000/original price
8*original price = 2000
original price = $250
So the value of the manuscript 5 years ago is $250.
Increase is 2000 , 5 times that.
new price is $10,000
The value of the manuscript now is $10,000.
Hence , the manuscript has the following value:
A. The manuscript was worth $250 five years ago.
B. The manuscript is currently worth $10,000.
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The square of an integer is 100.
What can you say about the cube of the intger
The possible cubes of an integer whose square is 100 can be 1000 and (-1000).
If the square of an integer is 100, then to find the value of integer we need to know the square root of 100
There exist two square roots of any number one with negative sign and another with positive sign
The square roots of the given integer that is 100 are 10 and -10
Now, we need to find out the value of [tex]10^{3}[/tex] and [tex]-10^{3}[/tex]
First cube [tex]10^{3}[/tex] which can also be written as 10×10×10 = 1000
Second cube [tex]-10^{3}[/tex] which can also be written as( -10)×(-10)×(-10) = (-1000)
So, the possible cubes of an integer whose square is 100 can be 1000 and (-1000).
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find derivative of f(x)=[tex]9x^{2}(1+2x^{-3})[/tex]
The derivative of the given equation is x = −3√2 ≈−1.259921049894873.
What is a derivative?In mathematics, the derivative is the rate of variation of a function given respect to a variable. Derivatives are essential for solving calculus related differential equation issues.
What exactly is a derivative in calculus?The derivative is defined as the slope of a straight line that is tangent towards the curve at a certain location. An additional derivative definition is the limit of the function's instantaneous rate of evolution as the time between observations approaches zero. activity, such as currency and interest rate risk, for a set length of time.
What is the significance of studying derivatives?It is significant because many physical phenomena, such as velocity, acceleration, and force, are defined with an instantaneous rate of change of some other quantity.
According to the given data:Given :
9x^2(1+2x^-3).
= [tex]9\left(\frac{2}{x^3}+1\right) x^2[/tex]
= [tex]\frac{\mathrm{d}}{\mathrm{d} x}\left[9\left(\frac{2}{x^3}+1\right) x^2\right][/tex]
= [tex]=9\left(\frac{\mathrm{d}}{\mathrm{d} x}\left[\frac{2}{x^3}+1\right] \cdot x^2+\left(\frac{2}{x^3}+1\right) \cdot \frac{\mathrm{d}}{\mathrm{d} x}\left[x^2\right]\right)[/tex]
= [tex]=9\left(\left(2 \cdot \frac{\mathrm{d}}{\mathrm{d} x}\left[\frac{1}{x^3}\right]+\frac{\mathrm{d}}{\mathrm{d} x}[1]\right) x^2+\left(\frac{2}{x^3}+1\right) \cdot 2 x\right)[/tex]
= [tex]=9\left(\left(2(-3) x^{-4}+0\right) x^2+\left(\frac{2}{x^3}+1\right) \cdot 2 x\right)[/tex]
= [tex]=9\left(2\left(\frac{2}{x^3}+1\right) x-\frac{6}{x^2}\right)[/tex]
= [tex]=18\left(\frac{2}{x^3}+1\right) x-\frac{54}{x^2}[/tex]
= [tex]\frac{18 x^3-18}{x^2}[/tex]
x = −3√2 ≈−1.259921049894873.
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Find an equation of the place contains the curve with the vector (6 sint, cost, -cost)
The equation of the plane contains the curve with the vector (6 sint, cost, -cost) is [tex]F(t)=(6sint\ , \ cost , \ -cost)[/tex]
A parametric equations is a type of equation with an independent variable, called the parameter (often denoted by t), in which the dependent variable is defined as a continuous function of the parameter and does not depend on any other existing variables. A parametric equation gives the equation of the curve on the coordinate plane. It usually takes the form given by two different functions of coordinates and variables which is given by [tex]F(t)=(x(t) , y(t) , z(t) )[/tex] ...(1)It is given that a plane contains the curve with the vector (6 sint, cost, -cost) which can be written as [tex]x(t)=6sint ,\ y(t)=cost , \ z(t)=-cost[/tex]
Putting above values in equation (1) , we get
[tex]F(t)=(6sint\ , \ cost , \ -cost)[/tex]
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