Answer:
28
Step-by-step explanation:
4/65 then ?/455
divide 455 by 65 to get 7
4/65=4x7/65x7(455)
4/65=28/455
therefore there are 28 boxes with the coupon out 455
I need some help on how to solve for x! asap please
Answer:
x=40°
Step-by-step explanation:
3x=120
x=120/3=40°
A lake near the Arctic Circle is covered by a 3 meter thick sheet of ice during the cold winter months. When spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. After four weeks, she is only 1.6 m thick. Pls hurry!
Complete question :
A lake near the Arctic Circle is covered by a 3 meter thick sheet of ice during the cold winter months. When spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. After four weeks, she is only 1.6 m thick. Let S(t) denote the ice sheet's thickness S (measured in meters) as a function of time t (measured in weeks). Write the function's formula
Answer:
S(t) = 3 - 0.3t
Step-by-step explanation:
Given that:
Initial thickness = 3m
Assume the rate of decrease is constant
Thickness after 4 weeks = 1.6 m
To obtain a function for the scenario described above :
We can observe that the function is a linear function, given that rate of decrease per week is constant :
To obtain the rate of decrease :
Change after 4 weeks :
(Initial thickness - thickness after 4 weeks) / number of weeks
(3m - 1.6m) / 4
= 1.2m / 4
= 0.3 m per week
General form of a linear function :
y = mx + c
m = rate of change per unit
Hence, our function becomes ;
S(t) = 3 - 0.3t
Pls I need help! I’ll give Brainlyist!
Answer:
I would think it to be the last one?it’s seems the most accurate of them all?
Step-by-step explanation:
4 1/4 + 3 + 5 1/2=
Help me please
Answer:
Exact Form:
51/4
Decimal Form:
12.75
Mixed Number Form:
12 3/4
Step-by-step explanation:
f(x)= 2x-10
find f (3)
Answer:
-4
Step-by-step explanation:
plug in 3 for x
2(3)-10
6-10
=-4
(3) Explain how you can tell that the point (5, 13) is a solution to the system shown
without formally solving the system.
y = 4x - 7
2x + y = 23
The point (5, 13) is a solution to the system
The system of equations is given as:
[tex]y = 4x - 7[/tex]
[tex]2x + y = 23[/tex]
The solution is given as: (5,13)
To determine if the coordinate point is a solution of the system of equations, we have to substitute the x and y values in the equations.
So, we have:
[tex]y = 4x - 7[/tex]
[tex]13 = 4 \times 5 - 7[/tex]
[tex]13 = 13[/tex]
[tex]2x + y = 23[/tex]
[tex]2 \times 5 + 13 = 23[/tex]
[tex]10+ 13 = 23[/tex]
[tex]23 = 23[/tex]
The above equations are true.
Hence, the point (5, 13) is a solution to the system
Read more about system of equations at:
https://brainly.com/question/14323743
Water comes out of a pipe at a rate of 15 gallons per minute. How many gallons have come out after 5 minutes?
Answer:
75 gallons
Step-by-step explanation:
15gal PER 1 min
__gal PER 5 mins
To solve this, I would do 15 x 5. That gets me to 75 gallons.
Hope this helps :D
Select the correct answer from each drop-down menu.
The quotient of is
. When this quotient is divided by
, the result is .
Answer:
we cant see it.
Step-by-step explanation:
What is the distance between the following points/ordered pairs, please answer all if possible
1) A (5, 12) , B (5, -7) =
2) A (11, -11) , B (-11, -11)=
3) A (-5, 0) , B (-14, 0)=
4) A (-3, -9) , B (-3, -1)
5) A (-3, -5) , B (8, -5)
Answer:
1. 19 units
2. 22 units
3. 9 units
4. 8 units
5. 11 units
Step-by-step explanation:
What is the equation of the line that has a slope of 1/2 and passes through the point (6,4)? Write your answer in slope intercept form
Answer:
A
Step-by-step explanation:took it on edge!
Answer:
y = 1/2x + 1
Step-by-step explanation:
slope-intercept form: y = mx + b
If you have a slope of 1/2, m = 1/2
y = 1/2x + b
To find b, plug in the known point.
4 = 1/2(6) + b
Solve.
4 = 3 + b
b = 1
Plug b into your equation.
y = 1/2x + 1
There is a line that includes the points (9,1) and has a slope of 1/3. What is the equation in slope-intercept form?
Answer:
f(x) = 1/3x + 1
Step-by-step explanation:
slope-intercept form is
f(x) = mx + b
so just put the points in and you have:
f(x) = 1/3x + 1
also b stands for the y-intercept so if you look at your point (9,1) than your y-intercept would be 1.
hope I could help!!
What is 20 is 1/10 of?
Answer:
20 is a tenth of 200
Step-by-step explanation:
Answer: 2
Step-by-step explanation:
x=10%(2)
20/x=10/100
200=100x
x=2
Write an equation in the form "y=_
" using the following information about the equation:
Slope of the equation: -5/8
Y-intercept of the equation: 9
Use x as the independent variable.
Answer:
Y=-5/8x+9
Step-by-step explanation:
Y=mx+b
m= Slope
b= Y-Intercept
Substitute:
Y=-5/8x+9
The store sells 6 boxes of cupcakes $18. How much does 10 boxes of cupcakes cost?
Answer:
$30
Step-by-step explanation:
6 box = 18
1 box = 3
10 box = 30
Find the volume of a cube whose length is 5 cm
Answer:
125
Step-by-step explanation:
125
ANSWER ASAPPPP FORR BRAINLIEST
Answer: the first one
Step-by-step explanation:
(30 POINTS COME AND GET IT FOR A MULTIPLE CHOUCE XD) which of the following is the solution for s in the system of equation shown below? R+2s=52
2r-s=4
(1)12
(2)15
(3)17
(4)20
Answer:
(4) s = 20Step-by-step explanation:
Given system:
r + 2s = 522r - s = 4Eliminate r to solve for s.
To do so, double the first equation and then subtract the second one:
2r + 4s = 1042r - s = 4Subtract
4s - (-s) = 104 - 45s = 100s = 100/5s = 20Correct choice is (4) 20
Pls help I will give you 15 points only
help me plz i’ll give brainlest
Answer:
-1/2x 2/1 y
Step-by-step explanation:
The real answer to this problem is (-1 1/2) (-2 1/2)
Hope this helps! :D
it is valentines day if and only if it is Feb 14th
JJ owns a bakery and makes daily batches of pies and cookies. One pie requires 2 cups of flour to make the crust, and one batch of cookies requires 3.5 cups of flour. JJ has 28 cups of flour to use. Let x equal the number of pies and let y equal the number of batches of cookies.
Give a combination of pies and cookies that JJ can make. Explain how you know the combination works.
Answer: Chicken nuggets in zip loc bag?
Step-by-step explanation:
If x=-3 , y= -4, find x2 +y2 and x2 – y2
Answer:
x^2+y^2 = 9+16 = 25
x^2-y^2 = 9-16 = -7
Step-by-step explanation:
yesss that's rightttttttt
What does love and math have in common
Please help me with this homework
Answer:
46
Step-by-step explanation:
Just by common sense you can see there's difference of 4 in every value so you just add 4, four times in it to make 10 months.
Answer:
50
Step-by-step explanation:
There is a interval of Rs 4 in each ..
describes the end behavior of the graph.
Answer:
+ ∞
Step-by-step explanation:
If you look at the graph you can see that the arrow is pointing upward, indicating that the graph continues in that direction forever. Also, the question is asking, as you move the right (or as x increases) what happens to y. y is increasing infinitely in end behavior.
What are the measures of the base angles of a right isosceles triangle? Explain
Write an equation for the line graphed?
Answer:
The equation of the line is:
y = 2/3x - 3
The graph is also attached below.
Step-by-step explanation:
From the given diagram, let us take two points
(0, -3)
(4.5, 0)
Determining the slope between (0, -3) and (4.5, 0)
[tex]\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}[/tex]
[tex]\left(x_1,\:y_1\right)=\left(0,\:-3\right),\:\left(x_2,\:y_2\right)=\left(4.5,\:0\right)[/tex]
[tex]m=\frac{0-\left(-3\right)}{4.5-0}[/tex]
[tex]m\:=\frac{3}{4.5}[/tex]
[tex]m=\frac{3}{\frac{45}{10}}[/tex]
[tex]m=\frac{3\cdot \:10}{45}[/tex]
[tex]m=\frac{2}{3}[/tex]
Therefore, the slope of the line is:
m = 2/3
We know that the value of the y-intercept can be determined by setting x = 0 and determining the corresponding value of y.
From the given point
(0, -3)It is clear that at x = 0, the value of y = -3
Thus, the y-intercept b = -3
now substituting b = -3 and m = 2/3 in the slope-intercept form of the line equation
y = mx+b
y = 2/3x + (-3)
y = 2/3x - 3
Therefore, the equation of the line is:
y = 2/3x - 3
The graph is also attached below.
The length of a rectangle is 4 cm longer than the width, The perimeter is 80cm. Find the length and the width.
Answer:
the length is 22 and the width is 18
Step-by-step explanation:
The perimeter is 2(l) + w(2)
w is the width and l is the length
if you plug in 22 and 18 you get
2(22)+(2)18
then you do multiplication to get
44+36
then you add and you get 80
a) Write the sequence of natural numbers which are multiplied by 3 ?
b) Write the sequence of natural numbers which are multiplied by 3 and added to 1 ?
c) Check whether the sequence obtained above is an arithmetic sequence or not?
Answer:
a) 3, 6, 9, 12, 15,...,[tex]3\cdot n[/tex], b) 4, 7, 10, 13, 16,...,[tex]3\cdot n +1[/tex], c) Both sequences are arithmetic.
Step-by-step explanation:
a) The sequence of natural numbers which are multiplied by 3 are represented by the function [tex]f(n) = 3\cdot n[/tex], [tex]n\in \mathbb{N}[/tex]. Let see the first five elements of the sequence: 3, 6, 9, 12, 15,...
b) The sequence of natural numbers which are multiplied by 3 and added to 1 is represented by the function [tex]f(n) = 3\cdot n + 1[/tex], [tex]n\in \mathbb{N}[/tex]. Let see the first five elements of the sequence: 4, 7, 10, 13, 16,...
c) Both sequences since differences between consecutive elements is constant. Let prove this statement:
(i) [tex]f(n) = 3\cdot n[/tex]
[tex]\Delta f = f(n+1) -f(n)[/tex]
[tex]\Delta f = 3\cdot (n+1) -3\cdot n[/tex]
[tex]\Delta f = 3[/tex]
(ii) [tex]f(n) = 3\cdot n +1[/tex]
[tex]\Delta f = f(n+1)-f(n)[/tex]
[tex]\Delta f = [3\cdot (n+1)+1]-(3\cdot n+1)[/tex]
[tex]\Delta f = 3[/tex]
Both sequences are arithmetic.
i will give brainest no cap
Answer:
1. 5%
2. 6%
3. $600
Step-by-step explanation:
Answer:
1. 5% 2. 6% 3. $600
Step-by-step explanation:
