Answer:
Step-by-step explanation:
Given
The sum of two number =840
One number =357
First number+second number=840
357+a=840
a=840-357
a=483
Which of the following does NOT reflect the number line
Answer:
B
Step-by-step explanation:
The number line shows that x must be greater than or equal to 0 and less than but not equal to 3. This means that the only answer that does not reflect this is 0<x<3, because again, x must be greater than or equal to 0. Not just greater than.
Answer:
(0,3)
Step-by-step explanation:
it's coordinates for a 2 dimensional graph, not a 1 dimensional graph
PLZ PLZ PLZ PLZ PLZ PLZ PLZ HELP!!!!!
Answer:
equal
Step-by-step explanation:
just read
Answer:
i would say all equilateral traingles are acute triangles.
Step-by-step explanation:
Which graph shows the solution set for 2x+3>-9?
Look at the picture
Answer:
it's the last one
Step-by-step explanation:
2x+3>-9
2x>-12
x>-6
Answer:
D
2x+3>-9
Move the constant the the right
2x>-9-3
Calculate
2x> -12
Divide both side
x> -6
(-6,+ 00)Calculate 8/9-2/3 giving your answer in its simplest form.
Answer:
(8/9) - (2/3) = (8-6)/9 = 2/9 = 0.22
See attachment for math work and answer.
which equation could represent each graphed polynomial function
PLEASE HELP FAST!!!
Answer:
y = x⁴- 5x² + 4
y = x(x + 3)(x - 2)
Step-by-step explanation:
1). y = x⁴- 5x² + 4
= x⁴- 4x² - x² + 4
= x²(x² - 4) - 1(x²- 4)
y = (x² - 1)(x² - 4)
y = (x - 1)(x + 1)(x - 2)(x + 2)
Therefore, zeros of this polynomial are,
x = -2, -1, 1, 2
From the given graphs, first graph has the zeros (x-intercepts) as x = -2, -1, 1, 2.
So the graph (1) represents the polynomial → y = x⁴- 5x² + 4
2). Second graph shows the x-intercepts at x = -3, 0, 2
Since, y = x(x + 3)(x - 2) is the polynomial with x intercepts at x = -3, 0, 2
Therefore, y = x(x + 3)(x - 2) represents the second graph.
Simplify each expression
(e^2) (g) (g^4) (e^3)
(e)( e^2) (e)
Answer:
(e^2) (g) (g^4) (e^3)=e^b
(e)( e^2) (e)=ve^4
Step-by-step explanation:
A squirrel runs across a road in 3 seconds. The road was more than 34 feet wide.
_______________________________________________________
Which inequality can be used to determine the squirrel’s speed?
_____
What is the solution to the inequality? Round to the nearest tenth, if necessary.
_____
How can you interpret the solution?
_____
_______________________________________________________
A) 3r > 34,
3r 34
r/3 11.3
r 10.2
C) the squirrel ran at least 11.3 feet per second
the squirrel ran faster than 11.3 feet per second
the squirrel ran no faster than 102 feet per second
the squirrel ran slower than 102 feet per second
_______________________________________________________
Answer:
✔ 3r > 34
✔ r > 11.3
✔ The squirrel ran faster than 11.3 feet per second.
Step-by-step explanation:
1. The Squirrel's speed is 3r > 34
2. The solution of the inequality is r > 11.3
3. The interpretation is: The squirrel ran faster than 11.3 feet per second.
What is Inequality?Mathematical expressions with inequalities are those in which the two sides are not equal. Unlike to equations, we compare two values in inequality. Less than (or less than or equal to), greater than (or greater than or equal to), or not equal to signs are used in place of the equal sign.
A squirrel runs across a road in 3 seconds.
The road was more than 34 feet wide.
1. The Squirrel's speed is
3r > 34
2. The solution of the inequality is
r > 34/3
r > 11.3
3. The interpretation is: The squirrel ran faster than 11.3 feet per second.
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393828294×3838383838229
Answer:
I think this is the answer
Step-by-step explanation:
1511664158726899051326
Gregory may choose between two accounts in which to invest $5000. Account A offers 2.3% annual interest compounded monthly. Account B offers continuous compound interest. Greg plans to leave his investment untouched (no further deposits and no withdrawals) for 10 years.
need help calculating account b's balance
Answer:
see below
Step-by-step explanation:
principal = $5,000
interest rate = 2.3%
account A: compound monthly for 10 years
account B: compound continuously for 10 years
account A: compound monthly for 10 years
A = P (1 + r/12)^ r*t
= $5,000 (1 + .023/12)^ 12(10)
= $6,291.6
account B: compound continuously for 10 years
FVn = PV * e^r*t
= $5,000 * e ⁽⁰ ⁰²³ˣ¹⁰⁾
= $6,293
Gregory may chose account B. (but the difference is only $1.40)
Gregory may choose account B.
Given that,
Principal = $5,000 .The interest rate = 2.3% .Account A: compound monthly for 10 years .Account B: compound continuously for 10 years
Based on the above information, the calculation is as follows:
For Account A[tex]A = P (1 + r\div 12)^ {r\times t} \\\\= $5,000 (1 + .023\div 12)^ {12(10)}[/tex]
= $6,291.6
For account B
[tex]FVn = PV \times e^{r\times t}\\\\ = $5,000 \times e^ {0.023\times 10}[/tex]
= $6,293
Therefore we can conclude that Gregory may choose account B.
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Suppose the size of the tank in question 5 is doubled. Will
the average rate of change in gallons per minute change?
Explain your answer.
Answer:
No, it will not change
Step-by-step explanation:
Because the size of the tank is not a factor that can be used to find the rate of change. The rate of change will continue to be 30 gallons per minute.
The average rate of change of gallons per minute is 30 gallons per minute.
No, the average rate of change of gallons per minute will not change even if the size of the tank is doubled because the size of the tank is not used to find the average rate of change.
What are coordinates in a graph?The coordinates in a graph indicate the location of a point with respect to the x-axis and y-axis.
The coordinates in a graph show the relationship between the information plotted on the given x-axis and y-axis.
We have,
From the graph,
Two coordinates to find the average rate of change in gallons per minute.
(1, 30) and (3, 90).
These coordinates represent a change in the amount of water in the given unit of time.
x-coordinates is the time.
y-coordinate is the amount of water.
Now,
The average rate of change of gallons per minute:
(1, 30) = (a, b) and (3, 90) = (c, d)
= d - b / c - a
= 90 - 30 / 3 - 1
= 60 / 2
= 30
Thus
The average rate of change of gallons per minute is 30 gallons per minute.
No, the average rate of change of gallons per minute will not change even if the size of the tank is doubled because the size of the tank is not used to find the average rate of change.
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help me im dying and i
Answer:
The better bar to buy is the Nutty Crunch
Step-by-step explanation:
4.74 / 6 = 0.79 per bar
7.80 / 10 = 0.78 per bar
:)
Answer:
Nutty Crunch is better
Step-by-step explanation:
You but a new laptop for 300 . The sales tax is 6% .what is the total cost for the laptop including the sales tax
Answer:
The total cost for the laptop including the sales tax is, $318
Step-by-step explanation:
Answer:
$318
Step-by-step explanation:
You start with your $300. Then you multiply that by 6% or 0.06 to get 18, which is the sales tax. Then you add those 2 together
15
Which one of the following numbers is not written in scientific notation?
A 0.1 x 103
B) 3.2 x 103
2.1 x 102
D 5 x 102
Answer:
A is the correct answer
Step-by-step explanation:
Who here is amazing at math and is willing to help me every time I need help with math?!
Answer:
Me
Step-by-step explanation:
Because I am really good at math
Does f(-x) = - f(x)? Why?
Answer:
No
Step-by-step explanation:
-x is only in the parenthesis not outside. Whatever your number is, let's say 2 would be x, you input 2 as x in which you get f(-2)
hope this helps :)
Help please will give brainly
Answer:
Its A
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
The amount of money increases by 5 each hour
How much will you get paid if you work 28.5 hours for $7.75 per hour?
Step-by-step explanation:
Answer:-Here, Unitary Method is used. It tells:-
[tex]\bf{1 \ hour =}[/tex] $ [tex]\bf{7.75}[/tex]
[tex]\bf{28.5 \ hours =}[/tex] $ [tex]\bf{(7.75 \times 28.5)}[/tex]
$ [tex]\bf{220.875}[/tex] is the answer.
Hope it helps :D
Bianca buys 4 band shirts and 3 pairs of pants for $159, and Gianna buys 3 of the same shirts and 2 of the same pairs of pants for $113.
How much does it cost to buy 5 band shirts and 5 pairs of pants?
Answer:
$150
Step-by-step explanation:
ok, so first you want to create your equations. let s=shirts, and p=pants. 4s+3p=159, and 3s+2p=113. next you want to get one variable in each equation to be the same. I multiplied the first by 2 and the second by 3 to make the ps the same. now we subtract our equations. (9s+6p=339) - (8s+6p=318) this gives you s=21. Now we put that in to solve for p, it doesnt matter which of the 4 equations. 4(8)+3p=159 = 3p=127 = p=42 1/3. now we just multiply them to find the cost of 5 of each. which is the answer above.
Evaluate fourth root of 9 multiplied by square root of 9 over the fourth root of 9 to the power of 5
Answer:
The answer = 1/3 = .3333333....
Step-by-step explanation:
what is the five number summary for the data set 0,2,2,4,5,5,5,5,7,11
Answer:
The median/middle is 5 and the minimum is 0 and the maximum is 11. The first quartile is 7/5= 1.4 and the second is 4/2 = 2
Step-by-step explanation:
The five number summary for the data set 0,2,2,4,5,5,5,5,7,11 is as minimum value is 0, maximum value is 11, median is 5, first quartile is 2 and second quartile is 5.
What is the five number summary of data set?The five number summary for the data set provides the basic information of a data set. This consist of minimum value, maximum value, median, first quartile, and second quartile.
The provided data set is,
0,2,2,4,5,5,5,5,7,11
The data is arranged in the increasing order. The minimum value in this number is 0 while the maximum number is 11.
As the middle value of the data is 5. Thus, the median of this number is,
[tex]m=5[/tex]
The first quartile is the median in the lower half of the data. In this data lower half consist 0,2,2,4,5 which has the median or first quartile as,
[tex]Q_1=2[/tex]
Similarly, the second quartile is,
[tex]Q_1=5[/tex]
Thus, the five number summary for the data set 0,2,2,4,5,5,5,5,7,11 is as minimum value is 0, maximum value is 11, median is 5, first quartile is 2 and second quartile is 5.
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Expand. If necessary, combine like terms. (x-5)^2=
Answer:
x^2 - 10x + 25
Step-by-step explanation:
(x - 5)^2
(x - 5)(x - 5)
x^2 - 5x - 5x +25
x^2 - 10x + 25
Hope this helps!
Answer:
x²-10x+25
Step-by-step explanation:
Khan academy
(x−5)² = x²-10x+25
Which relation is also a function?
Brett has 2/3 a pound of a pound of almonds to divide equally among 4 bags. Find the amount of almonds that will be in each bag.
Answer:
true
Step-by-step explanation:
Answer:
2.665 ounces approximately or .1665625 pounds
Step-by-step explanation:
Whats the equation of the line?
Answer: I believe it should be answer B
Step-by-step explanation: the x coordinate pairs with y and vice versa and if it’s positive you subtract is how I remember it.
Help ASAP please !!!
Answer:
Step-by-step explanation:
1).
please help asap
is x= -3 what is the value of |x-4|-x^2
thank you
Answer:
16
check your math
|(-3)-4|=7
-3^2=-9
7-(-9)=16
welcome <3
What is 4/4 divided by 20 divided by 60 equal
Answer:
The Product is 0.00083333333.
Step-by-step explanation:
Hope this helps! :)
The correct answer for the value of [tex](\dfrac{4}{4})[/tex] ÷ [tex]20[/tex] ÷ [tex]60[/tex] is 0.0008333.
Given expression:
[tex](\dfrac{4}{4})[/tex] ÷ [tex]20[/tex] ÷ [tex]60[/tex]
To solve the expression, follow the order of operations(BODMAS):
Parentheses/Brackets
Exponents/Orders
Multiplication and Division (from left to right)
Addition and Subtraction (from left to right)
In this case;
Divide and perform the operations from left to right:
[tex](\dfrac{4}{4})[/tex]
= 1 (because any number divided by itself is always 1)
[tex]\dfrac{1}{20}[/tex]
= 0.05
[tex]\dfrac{0.05}{60}[/tex]
= 0.0008333... (repeating decimal)
The final result is approximately 0.0008333.
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Annie needs $30 to buy a coat she has saved $12 and plans to work as a baby siter to earn $6 per hour which inequality shows the minimum number of hours, n, that annie should work as a babysitter to earn enough to buy a coat?
a 12 + 6n ≤ 30, so n ≤ 3
b 12 + 6n ≥ 30, so n ≤ 3
c 6n ≥30 + 12, so n ≥ 7
d 6n ≤30 + 12, so n ≤ 7
Answer:
The answer would be B. 12 + 6n is greater than or equal to 30, so n is less than or equal to 3.
explanation:
I'm bad with explaining things, but I'll try my best to explain why this is the right answer.
12 + 6n ≥ 30, so n ≤ 3
let's start with the 12 at the beginning of the inequality, Annie already has $12, so the 12 in the inequality shows the amount of money she already has being added to the $6 per hour of babysitting she needs to do (n).
Now for the + 6n, the plus is there to show that the $12 Annie already has is being added to the 6n. The 6n then represents the $6 Annie makes each hour and the n represents how many hours she needs to babysit in order to get $30. The 6 is being multiplied by the amount of hours she needs to babysit to show how much money Annie would make. Then you add on the $12 she already has.
Annie then needs at least $30, but if she makes more than $30 then she will simply have more money than needed, therefore you use the greater than or equal to sign to show that she can have more money than just $30 after working.
I hope this helps, and sorry if my explanation is hard to understand lol.
I am so stuck! :( Pls help me!!! I don't get the problem and I don't know how to solve it
Answer:
[tex]\frac{n^{2}}{2a}[/tex]
Step-by-step explanation:
Just split it up first [tex]\frac{9an^{3}}{18a^{2}n}=\frac{9}{18}\times \frac{a}{a^2} \times\frac{n^3}{n}[/tex] Then 9 divided by 18 can be simplified into the fraction 1/2What can go into [tex]a[/tex] and [tex]a^2[/tex] ? a itself right, so if you divide a by a you get 1, if you divide [tex]a^2[/tex] by a you get aSame as the a fraction, if you divide [tex]n^3[/tex] by n you get [tex]n^2[/tex] [tex]\frac{9an^{3}}{18a^{2}n}=\frac{9}{18}\times \frac{a}{a^2} \times\frac{n^3}{n}=\frac{1}{2}\times \frac{1}{a} \times\frac{n^2}{1}=\frac{n^{2}}{2a}[/tex]Answer:
(n^2)/2a
Step-by-step explanation:
We'll take this in small steps. Don't worry and follow along if you wish :D
Where do we start? Well, first, we notice that all of the numbers/variables (on both the denominator and the numerator) are multiplied by each other. If this case had addition or subtraction in the fraction, the explanation would have differed.
Let's take on a simpler example to show you what I mean. Here's a relatively simpler equation with no pesky variables:
(1 + 3)/4
This equation has to be broken down like this:
1/4 + 3/4
And although we could just do (1 + 3) quickly and divide by 4, consider it if we replace them with numbers instead, or variables in other words:
(x + y)/x
Then, it would work the same way as the previous example:
x/x + y/x
And that would further simplify to (1 + y/x).
But, we're lucky! Because there is no addition or subtraction, we won't have to divide all the numbers that are in the numerator with the number(s) in the denominator. Consider this:
(3*4)/4
We only need to divide 4 by the denominator (which is also four, in this case) and not both 3 and 4 like how we would solve if it had addition or subtraction.
First step! Let's take all of the variables out of this nasty equation we have on our hands to make it simpler:
(9an^3)/(18a^2n)
We would be left with...
9/18
And then we would reduce to leave 1/2. Notice that if we add all the variables back, we would have:
(1an^3)/(2a^2n)
Or (an^3)/(2a^2n)
If we write it out, we'll find this equation a tad bit easier with the large numbers dealt with (although I will admit, it doesn't look that great on the screen—lol)!
Back to business. Here, we need to simplify the variables. Given, we have to remember that variables are just your every-day number (but unknown). Because of that, we get to divide them very much like how we would with regular numbers. Rope in some of our previous lesson about not having to divide all the numbers on the numerator from the denominator from the beginning, too!
(an^3)/(2a^2n)
You can cancel out the variable a^ in this equation. That would leave you with:
(n^3)/(2an)
Try to simplify the rest on your own and use my work to check your answers! if you can't, then no worries. Follow along with me :D
We can also reduce using n. That will leave:
(n^2)/2a
And then you're done! I would recommend more questions like these (if you aren't already doing them) because you'll be using simplifying techniques similar to this equation in the future.
Good luck and keep studying!
Helppp will mark brainliestttt
Answer:
A is the answer I think
Step-by-step explanation:
The answer is A.
f(x) = x 2
