Step-by-step explanation:
do u have like a photo or sum to explain it better
quick guys, I need some help on this
Answer:
I think c
(not sure though)
write 25x10 to the power of. 4
Answer:
250000
Step-by-step explanation:
25 x 10 x 10 x 10 x 10
= 250000
(or just add the amount of 0s based on the power)
Julio has 5.75 pounds of dog food. If he feeds his dog 2.83 pounds of dog food next week, how much dog food will he have left
Answer:
He will have 2.92 pounds of dog food left.
Step-by-step explanation: Subtract 2.83 from 5.75 and you will get this answer.. hope this helped:)!!
Answer:
2.92 pounds
Step-by-step explanation:
We are finding out how much we have left, so we're subtracting, so our equation is:
5.75 - 2.83 = 2.92
So, Julio will have 2.92 pounds of dog food left
Which points are part of this graph of equivalent ratios? Check all that apply. On a coordinate plane, a line goes through (3, 2) and (9, 6). (6, 4) (12, 8) (10, 4) (4, 3) (9, 6)
Answer:
3,2 and 9,6
Step-by-step explanation:
i did it
Answer:
(6,4) (12,8) (9,6)
Step-by-step explanation:
i just took the quiz, i got it right
:)
The vendor of a coffee cart mixes coffee beans that cost $9 per pound with coffee beans that cost $5 per pound. How many pounds of each should be used to make a 75-pound blend that sells for $6.00 per pound
Answer:
56.25 pound of the coffee that costs $5 per pound is needed
18.75 pound of the coffee that costs $9 per pound is needed
Step-by-step explanation:
Let the number of pounds be x and y respectively
The total pounds is 75;
So;
x + y. = 75 •••••••(i)
Total cost of first type
9 * x = $9x
Total cost of second type;
5 * y= $5y
75 pound at $6 per pound; total cost of this is;
6 * 75 = $450
Thus;
9x + 5y = 450 ••••••••(ii)
From i, x = 75-y
Put this into ii
9(75-y) + 5y = 450
675 -9y + 5y = 450
4y = 675-450
4y = 225
y = 225/4
y = 56.25
x = 75 - y from i
x = 75-56.25
x = $18.75
Graph and find the system of solutions ( I will give brainliest if the answer is correct )
Answer:k so graph 4 and then go 2 down for every one to the right and for the second one start by graphing -3 and go 5 up for every 1 to the right
Step-by-step explanation:here are some points -> (0,4) (1,2) (2,0) and for the second one -> (0,-3) (1,2) (2,7) and solution to lines is (1,2)
Plz help if you don’t mind
Answer: Samson is correct
Step-by-step explanation: OK MODS LOOK I EXPLAINED IT GO BULLY SOMEONE ELSE [tex]39x^{2} + 52x^{2} = 4225. \sqrt{4225} = 65[/tex]
Which point is collinear to points A and D?
find the area of a rectangle flower garden that is 10 meters long and has a width that is half of its length.
show work pls
Answer:
Area is 50 meters squared
Step-by-step explanation:
So you know that length = 10 meters and width is half of the length.
You need to make an equation to solve for width, 'W', using length, 'L'
W = L / 2
Now just plug in length
W = 10 /2 = 5
Since you know length and width now, you can solve for area
Area = W * L
Area = 5 * 10
Area = 50
For the function y=3x2: (a) Find the average rate of change of y with respect to x over the interval [3,6]. (b) Find the instantaneous rate of change of y with respect to x at the value x=3. Average Rate of Change : Instantaneous Rate of Change at x=3:
Answer:
The instantaneous rate of change of [tex]y[/tex] with respect to [tex]x[/tex] at the value [tex]x = 3[/tex] is 18.
Step-by-step explanation:
a) Geometrically speaking, the average rate of change of [tex]y[/tex] with respect to [tex]x[/tex] over the interval by definition of secant line:
[tex]r = \frac{y(b) -y(a)}{b-a}[/tex] (1)
Where:
[tex]a[/tex], [tex]b[/tex] - Lower and upper bounds of the interval.
[tex]y(a)[/tex], [tex]y(b)[/tex] - Function exaluated at lower and upper bounds of the interval.
If we know that [tex]y = 3\cdot x^{2}[/tex], [tex]a = 3[/tex] and [tex]b = 6[/tex], then the average rate of change of [tex]y[/tex] with respect to [tex]x[/tex] over the interval is:
[tex]r = \frac{3\cdot (6)^{2}-3\cdot (3)^{2}}{6-3}[/tex]
[tex]r = 27[/tex]
The average rate of change of [tex]y[/tex] with respect to [tex]x[/tex] over the interval [tex][3,6][/tex] is 27.
b) The instantaneous rate of change can be determined by the following definition:
[tex]y' = \lim_{h \to 0}\frac{y(x+h)-y(x)}{h}[/tex] (2)
Where:
[tex]h[/tex] - Change rate.
[tex]y(x)[/tex], [tex]y(x+h)[/tex] - Function evaluated at [tex]x[/tex] and [tex]x+h[/tex].
If we know that [tex]x = 3[/tex] and [tex]y = 3\cdot x^{2}[/tex], then the instantaneous rate of change of [tex]y[/tex] with respect to [tex]x[/tex] is:
[tex]y' = \lim_{h \to 0} \frac{3\cdot (x+h)^{2}-3\cdot x^{2}}{h}[/tex]
[tex]y' = 3\cdot \lim_{h \to 0} \frac{(x+h)^{2}-x^{2}}{h}[/tex]
[tex]y' = 3\cdot \lim_{h \to 0} \frac{2\cdot h\cdot x +h^{2}}{h}[/tex]
[tex]y' = 6\cdot \lim_{h \to 0} x +3\cdot \lim_{h \to 0} h[/tex]
[tex]y' = 6\cdot x[/tex]
[tex]y' = 6\cdot (3)[/tex]
[tex]y' = 18[/tex]
The instantaneous rate of change of [tex]y[/tex] with respect to [tex]x[/tex] at the value [tex]x = 3[/tex] is 18.
How many combinations are possible for 13 objects taken 6 at a time?
1,716
205,920
1,235,520
4,826,809
Please help me with the explanation too. :)
Answer:
1,235,520
Step-by-step explanation:
13P6 =1,235,520
Elena runs for 28 seconds and finishes at 250 seconds what is her velocity please explain
Answer:
The velocity is 8.93 meters/second.
Step-by-step explanation:
It is given that Elena runs for 28 seconds and finishes at 250 meters.
Here the displacement is 250 meters and the time is 28 seconds.
We know that [tex]V=\dfrac{\text{Displacement}}{\text{Time}}[/tex]
Substitute displacement = 250 and time = 28 in above formula.
[tex]V=\dfrac{250}{28}[/tex]
[tex]V\approx 8.93[/tex] meters/second
Hence, the velocity is 8.93 meters/second.
What is the unit rate for 21 3/4 and 2 1/2
Answer:
I think it is 19 1/4
Step-by-step explanation:
How I got this was I took 21 3/4 and subtracted 2 1/2 which gave me 19 1/4.
Hope this is right and helps.
Help ASAP
Select all the following that are quadratic equation.
( ) 5x^2+15x=0
( ) 6x-1=4x+7
( )x^2-4x=4x+7
( ) 2x-1=0
( ) 3x^2+5x-7=0
( ) x^3-2x^2+1=0
right answers only please do not waste my time cause 20 points are quite good
Given that D( x ) = 2 x , select all of the following that are true statements.
D( x ) is a direct variation.
D( x ) is a function.
D( x ) is a rule for the set of points (5, 10), (6, 12) and (-2, -4).
x is the dependent variable.
D(6) = 3
Answer:
3rd
Step-by-step explanation:
Answer:
D(x) is a function. TRUE. It is a function of x.
x is the dependent variable. FALSE. x is the independent variable because the function is expressed in terms of the independent variable.
D(6) = 3. FALSE. D(6) = 2(6) = 12. D(6) should be equal to 12.
D(x) is a direct variation. TRUE. This holds true to the definition of direct variation where one variable is related to the other variable at the same constant multple. In this case, it is 2.
D(x) is a rule for the set of points (5, 10), (6, 12) and (-2, -4). TRUE. If you replace x with the first coordinate, the function would be equal to the corresponding second coordinate.
Step-by-step explanation:
Anna is in a cave 48 feet below the cave entrance. She descends 11 feet, then ascends 15 feet. Find he
new position relative to the cave entrance.
Answer:
-44 feet deep
In other words: 44 feet below ground
Step-by-step explanation:
First we have to write out the equation that the problem creates for us.
-48 - 11 + 15
Next we just have to subtract and add:
-48-11 = -59
-59+15 = 44
There we go! That's our answer.
If 317 + x = 609 then,
x equeals:
A. 317
B. 629
C. 282
D. 392
E. 292
Answer:
E
Step-by-step explanation:
subtract 317 from 609.
(4-8)( 12, 8)
Write the equation of a line using slope intercept form
Answer:
y=2x-16
Step-by-step explanation:
so gradient is 8-(-8)/ 12-4
so 16/8 which is 2
equation of line is: y= 2x+c
substitute the values into x,y
8=2(12)+c
8=24+c
8-24=c
-16= C
this is because when it goes over the equal sign it becomes negative so now the equation is y=2x-16
Answer:
Y=2x+16
Step-by-step explanation:
Write a ratio and a percent for the shaded area.
3/10, 27%
1/2, 50%
1/3, 33.33%
3/10, 30%
PLEASE HELP ME IVE BEEN STUCK BECAUSE I THOUGHT THAT 12/60 WAS 1/5 SIMPLIFIED??
Answer:
1/3, 33.33%
Step-by-step explanation:
The full square is 6x6 which means there are 36 tiles in total. The shaded area is 3x4 which is 12. 12/36 is 1/3 simplified or 33.33%.
Answer:
1/3 and 33.33℅
Step-by-step explanation:
total number of rectangles is 36 and the shaded are 12
so 12/36 =1/3
1/3= 0.3333
to change to percent we multiply by 100
0.3333×100℅ = 33.33℅
uhhh please help lol
Answer: c
..........................
what time dose it show I know the answer just giving points
Answer:
Currently it shows in the picture it is 8:22!
ok thanks for points have a great time bye bye hope this helps ok cya k bye lol xd pog joe
Three-Quarters of a number is 15.
Work out four-fifths of the number
Step-by-step explanation:
3x = 15
4
3x = 60
3. 3
x =20
Now that we know what x( the number) is let us work out four-fifths of x.
4x= 4(20) = 80 = 16
5. 5. 5
A won a race at the local fair by running 10.5 miles in exactly 2 hours. At this constant rate, how long does it take the same dog to run the 21 mile state fair race? Use ratio reasoning to solve. * 1 point
Answer:
The dog will run the 21-mile race in 4.04 hours
Step-by-step explanation:
The first thing we need to do is find out how far he ran the race at the local fair in 1 hour.
To do this, we can set up a simple relationship:
If he ran 10.5 miles in 2 hours,
He will run x miles in 1 hour
Cross multiplying, we have
x = (10.5 X 1)/2 = 5.25 miles in 1 hour.
We can now comfortably say that he runs at the rate of 5.2miles/hr
He now goes to the state fair race, which is 21 miles long.
if he runs at the rate of 5.2 miles in 1 hour,
He will run 21 miles in y hours
y = 21 / 5.2 = 4.04 hours
The dog will run the 21-mile race in 4.04 hours
f(x) = -3x2 – 20
Find f(-7)
Evaluate the function
Pls help
Can you guys help me find 1/3 + 5/6 please!
Answer:
7/6
Step-by-step explanation:
1/3=2/6
2/6+5/6=7/6
Answer:1.16666666667
Step-by-step explanation:
5x-2y=12
6x+2y=32
find the solution
Answer:
(4,4)
Step-by-step explanation:
There are two ways that you can solve this. You can solve it with the help of technology or you can solve it traditionally. I will show how to do it in both ways so you can pick which way you want to solve it.
Traditional Method:
5x - 2y = 12
6x + 2y = 32
Look at the variables and numbers in both equations. One of them has to be the same value but have to have opposite signs. The 2y in both equations are the same value but have different signs. That's what we want. We can add everything in the equation now. (5x + 6x), (-2y + 2y), and (12 + 32).
11x = 44
To get x alone, Divide each side by 11. Then we will get the value of x.
11/11x = 44/11
x = 4
Horray! We got x, but what about y? Pick one of the equations. I will go with 5x - 2y = 12. Substitute the x value inside the equation.
5(4) - 2y = 12
20 - 2y = 12
-2y = -8
y = 4
Good! We figured out y. Now we know the solution! The solution is (4,4).
Technology Method:
Grab a graphing calculator. Enter the equations. You will see two lines. Look at where they intersect. The point where they intersect is the solution. That line is (4,4). You could also do this on a piece of paper by graphing the equations.
I hope this helps! Let me know if you need any more help or if I got anything wrong.
O PERCENTS
Finding the rate of a tax or commission
A salesperson sells $2700 in merchandise and earns a commission of $405.
Find the commission rate. Write your answer as a percentage.
0 %
Х
S.
?
Answer:
Commission rate = 15%
Step-by-step explanation:
Given that:
Amount of merchandise sold = $2700
Commission earned = $405
We can find the commission rate by dividing the commission with total sales and multiplying it with 100.
Commission rate = [tex]\frac{Commission}{Total\ sales}*100[/tex]
Commission rate = [tex]\frac{405}{2700}*100[/tex]
Commission rate = 0.15 * 100
Commission rate = 15%
Hence,
Commission rate = 15%
Imagine you are an architect hired by a newly elected mayor to design a city. What questions might you have for the mayor before you could start planning? How would scale factor and the use of scale drawings come into play with your design? What problems could you run into if your scale factor was to large or small?
Answer:
huh?
Step-by-step explanation:
I need help plssss.
Answer:
y guy rhufgjrjri
Step-by-step explanation:
hfuitktt
Graph the following equation: y = 3x
Answer: plot these points as well as you can
Step-by-step explanation: