Please help me with these
Answer:
The first one is -28x
Step-by-step explanation:
2^2x is 4x and 4x-32x is -28
Help fast I’ll give brainliest
Answer:
+45
Step-by-step explanation:
a deposit is a sum of money placed or kept in a bank account, usually to gain interest
ILL GIVE BRAINLIEST TO WHOEVER ANSWERES FIRST
Enter the midpoint of the segment whose endpoints are (6,5) and (-4,16).
the midpoint is x1 and y10.5
Answer:
(1, 10.5)
Step-by-step explanation:
X- 6 + -4 = 2/2 = 1
Y- 5 + 16 = 21/2 = 10.5
You add the x coordinates together then divide by 2, then do the same with the y coordinates.
The cost of a layer cake is $17 plus $5 per layer. If Paul has only $30 to spend on a cake, what is the most number of layers he can afford?
(Show how to solve it)
Answer:
The most number of layers he can afford is 2
Step-by-step explanation:
We automatically have a fee of 17 so we know we have 13 dollars remaining. Using this information, we know that one layer is 5 dollars which means we can get 2 layers which is equal to 10 dollars which turns our total fee to $27. Hope this helps!
Factor the binomial completely
4x - 20
Answer:
Step-by-step explanation:
Step-by-step explanation:
i think the answer must be like this (4)(x‒5)
i hope it helps you
Which two expressions each represent 3/12 ?
Answer:
first option
Step-by-step explanation:
i think its self explanatory!!!
Graph the linear equation and create a table of values
5.) y= -5x
An electrician charges $53 per hour and his apprentice charges $22 per hour. On a job wiring a house the electrician worked four hours more than the apprentice. Together they earned a total of $624.50 for the job. How much did the election earn for the rewiring?
Answer:
$503.5Step-by-step explanation:
let the apprentice duration of work be x hours
so that the electrician worked (x+4)hours
53*(x+4)+22*x=624.50
opening the bracket we have
53x+212+22x=624.50
collect like terms we have
53x+22x+212=624.50
75x+212=624.50
75x=624.50-212
75x=412.5
divide both sides by 75 we have
x=412.5/75
x=5.5
The electrician worked a total of (x+4)
5.5+4=9.5 hours or 9hours 30min
given that the electrician earns $53 per hour
then,for the work he would make 53*9.5=$503.5
You have the opportunity to run the helium balloon stand at the Alexander County Fair. Your start-up supplies will cost $60. It will cost $.05 to fill each balloon you sell with helium. You are going to sell each balloon for $1.25. Find your break-even point. How many balloons will you need to sell in order to break- even?
Answer:
50
Step-by-step explanation:
1.25 - .05 = 1.20 made per balloon
60/1.2 = 50 balloons sold to recoup 60$ start up and break even
Factorize using middle term:
x²-11x+24
Answer:
x²-11x+24
(x -8) * (x -3) =0
x = 8 and x =3
Step-by-step explanation:
1.The growth of a sample of bacteria can be modeled by the function b(t)=100(1.06)t where b is the number of bacteria and t is time in hours.
What is the number of total bacteria after 3 hours?
Given:
The growth of a sample of bacteria can be modeled by the function
[tex]b(t)=100(1.06)^t[/tex]
where, b is the number of bacteria and t is time in hours.
To find:
The number of total bacteria after 3 hours.
Solution:
We have,
[tex]b(t)=100(1.06)^t[/tex]
Here, b(t) number of total bacteria after t hours.
Substitute t=3 in the given function, to find the number of total bacteria after 3 hours.
[tex]b(t)=100(1.06)^3[/tex]
[tex]b(t)=100(1.191016)[/tex]
[tex]b(t)=119.1016 [/tex]
Therefore, the number of total bacteria after 3 hours is 119.1016.
The science club and the French club both ordered pizzas for their end-of-year banquets. After the banquets, the science club had 1 1/4 pizzas leftover and the French club had 2 5/24 pizzas leftover. Between the two clubs, how many total pizzas were leftover?
A. 23/24
B. 1 1/4
C. 3 1/4
D. 3 11/24
Answer:
[tex]3\frac{11}{24}[/tex]
Step-by-step explanation:
Given parameters:
Leftover pizza from the Science club = [tex]1\frac{1}{4}[/tex]
Left over pizza from french club = [tex]2\frac{5}{24}[/tex]
Unknown;
Total left over pizzas between the two clubs = ?
Now to solve problem, simply add the leftover from the science club and the french club together;
Total left over pizza = [tex]1\frac{1}{4}[/tex] + [tex]2\frac{5}{24}[/tex]
= [tex]\frac{5}{4} + \frac{53}{24}[/tex]
= [tex]\frac{83}{24}[/tex]
= [tex]3\frac{11}{24}[/tex]
The total left over pizza between the two clubs is [tex]3\frac{11}{24}[/tex]
asap help will give brainlest
Answer: 3/4
Step-by-step explanation:
Answer:
Step-by-step explanation:
easy flip them and make it into mixed fractions hope it helps
Five years ago, Charlie was twice older than Priya. What are their ages now if in 3 years the sum of their ages will be 76?
I need both ages thx
present age of charlie is 45 years
present age of priya is 25 years
Step-by-step explanation:
Let start from five years ago
Let at that age of Priya was x years
given that
Charlie was twice older than Priya
age of Charlie = 2x
_____________________________________________
present age of charlie = age 5 years ago + 5 years = 2x + 5
present age of priya = age of priya 5 years ago + 5 years x + 5 = x + 5
_________________________________________________
age of charlie 3 years from now = present age of charlie + 3 years
age of charlie 3 years from now =2x + 5 + 3 = 2x + 8
age of priya 3 years from now = present age of priya + 3 years
age of priya 3 years from now =x + 5 + 3 = x + 8
Given that
in 3 years the sum of their ages will be 76
thus
sum of their ages in 3 years from now = x + 8 + 2x + 8 = 76
=> 3x + 16 = 76
=> 3x = 76-16 = 60
=> x = 60/3 = 20
Thus,
present age of charlie = 2x + 5 = 2*20 + 5 = 45 years
present age of priya = x + 5 = 20 + 5 = 25 years
HELP I CANT GET A BAD GRADE
The gestation period is the length of the time it takes a baby mammal to develop before it is born. The gestation period of a horse is, on average, 336 days. About how many weeks is that? There are 7 days in a week.
A.
50 weeks
B.
60 weeks
C.
40 weeks
D.
5 weeks
Answer:
a. 50 weeks
Step-by-step explanation:
In a school of 450 students, 48% are
girls. How many are girls?
Answer:
216
Step-by-step explanation:
.48 * 450 = 216
Answer:
There are 216 girls in that school.
Step-by-step explanation:
hope this helps! have a great day.
Help Simplify 6(x + 4).
Answer:
6x+24
Step-by-step explanation:
The simplified form of the expression 6(x + 4) is 6x + 24.
We have,
To simplify the expression 6(x + 4), we can apply the distributive property of multiplication over addition.
The distributive property states that when we have a number multiplied by a sum of terms, we can distribute the multiplication to each term separately and then simplify.
In this case, we have 6 multiplied by the sum (x + 4). Applying the distributive property, we can multiply 6 by both x and 4:
6(x + 4) = 6 * x + 6 * 4
Simplifying further:
6x + 24
Therefore,
The simplified form of the expression 6(x + 4) is 6x + 24.
Learn more about expressions here:
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Which function is nonlinear?
A. 9y+3=0
B. y--4x=1
C. y=2+6x square 4
D. x--2y=7
E. x over y +1 = 2
Hi! I’m super confused on the second page but for the first page I only need help on #11. Could you please let me know if the problems I did answer on the first page are correct?
Answer:
So ummmm..... I personally think that all of your answers on the first page should be flipped.
Second page:
#9: domain= [0,6] range=[-6,6]
#10: Domain= (-infinity, infinity) range: (-infinity, infinity)
#11: Domain= (-infinity, infinity) range: [-2, infinity)
Thats all I have time for
(Write infinity as the sideways 8)
A function is a relationship between input values and output values such that each input has exactly one output
The correct values are;
First page
11. A skateboarder motion
Second page
9. The square is not a function
10. Domain; -∞ < x < ∞
Range; -∞ < x < ∞
11. Domain of the graph is; -∞ < x < ∞
Range is; 2 ≤ y < ∞
12. A circle is not a function
13. Domain is; -∞ < x < ∞
Range; -2 ≤ y ≤ 4
14. Domain; -∞ < x < ∞
Range; y = 2
15. The relationship is a function
16. The relationship is not a function
17. The relationship is not a function
18.The given relationship is not a function
19. The relationship is a function
20. The relationship is not a function
21. The relationship is a function
22. The relationship is not a function
Reason:
First page;
11. The given graph can be described by the following real life situation;
A skateboarder rides up hill using an initial speed which is reduced at a constant rate by gravity. At the top of the hill, the skateboarder continues at a constant low speed and then drives down the hill, with her speed constantly being increased by gravitySecond page;
The domain and range of a
The domain of a function is set values of the input to the function where the function is defined
The range of a function are is the set of the output values of the function
9. The given figure of a square is not a function
10. The graph extends to infinity towards the top right, and the bottom left
The domain of the function is; -∞ < x < ∞The range of the function is; -∞ < x < ∞11. The graph of the function extends infinity at the top left and top right
Therefore, the domain of the graph is; -∞ < x < ∞The graph has a minimum at y = 2, while it extends to infinity as the y-values increases, therefore;
The range is; 2 ≤ y < ∞12. The graph of a circle is not a function
13. The end behavior of the graph is as follows;
The graph is repeating and extending to infinity at the left and right ends
Therefore;
The domain is; -∞ < x < ∞The maximum y-value is y = 4, the minimum y-value is y = -2, therefore;
The range of the function is; -2 ≤ y ≤ 414. The graph of the function is an horizontal line, y = 1, extending to infinity to the left and right, therefore;
Therefore;
The domain of the graph is; -∞ < x < ∞The range of the graph is; y = 215. The given data are; {(-2, 6), (2, 0), (3, 0), (4, -1), (5, 3)}
In the given data, each value of the input has exactly one output, given that the x-values of the data are not repeatingThe relationship is a function
16. The given data values are presented as follows;
{(-3, 2), (-2, 2), (1, 2), (-3, 1), (0, 3)}
The given data has two x-values, (-3) which are have the same y-value, (2, and 1), therefore, the given data does not represent a functionThe relationship is not a function
17. The given data are presented as follows;
[tex]\begin{array}{|c|cc|}\mathbf{x}&&\mathbf{y}\\-2&&-3\\-1&&0\\5&&5\\4&&3\\-1&&7\end{array}\right][/tex]
The x-value, -1, has two different outputs, 0, and 7, therefore, the data is not a function
The relationship is not a function
18. In the given data, the x-value, 6, has two y-values, 3 and 5, therefore, the given relationship is not a function
19. The given graph is a function because each vertical line drawn from the horizontal axis, crosses the data points only once
The relationship is a function
20. The given graph is not a function because each vertical line crosses the graph only once
The relationship is not a function
21. The graph of is a function because each vertical line drawn from the horizontal axis crosses the graph at one point only
The relationship is a function
22. The graph is not a function because it has several points on the side that is vertical to the y-axis
Learn more about functions here:
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Please help!
(Please do not answer with links or “idk but good luck”)
2(4z + 9) = 34
Answer: z=2
Step-by-step explanation:
How many lines of symmetry does this figure have?
Answer:
1
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
if i am not wrong i think it is 1 bc u can only cut a verticle line in the middle, then i dont see any other ways.
James walk to school 12 out of 20 days which value is equivalent to the fraction of days James walk to school
Answer:
3/5
Step-by-step explanation:
all you have to do is get the fraction to its lowest point and you get 3/5.
please anwser the question fast
Answer:
y=2
Step-by-step explanation:
Logarithmic Equations
The following equation is given:
[tex]log_y 8+ log_y 4=5[/tex]
Recall the property:[tex]log_b x+lob_b y=log_b (x.y)[/tex]
Applying: [tex]log_y 32=5[/tex]
Now recall the definition of the log:
If:
[tex]log_b a=x[/tex]
Then
[tex]b^x=a[/tex]
The equation becomes:
[tex]y ^5=32[/tex]
But 32=2^5, so:
[tex]y ^5=2^5[/tex]
Equating the bases:
y=2
This question is confusing me
Answer:
She went on the slide 8 times and on the roller coaster 4 times
Step-by-step explanation:
We convert each statements to a mathematical equation.
Firstly, let's represent the number of times she went on the coaster with R and the number of times on the slide with S. We know quite well she went on 12 rides. Hence the summation of both number of times yield 12.
Mathematically, R + S = 12. ........(i)
Now we also know her total wait time was 3hours. Since an hour equals 60 minutes, her total wait time would equal 180 minutes.
To get a mathematical representation for the wait time, we multiply the number of roller coaster rides by 25 and that of the slides by 10.
Mathematically, 25R + 10S = 180 .......(ii)
Here we now have two equations that we can solve simultaneously.
From equation 1 we can say R = 12 - S. We can then substitute this into equation 2 to yield the following:
25(12 - s) + 10s = 180
300 - 25s + 10s = 180
300 - 25s + 10s = 180
300 - 15s = 180
15s = 300 - 180
15s = 120
S = 120/15
S = 8
S = 8 , and R = 12 - S = 12 - 8 = 4
how can you multiply 1/3 so that the fraction you get you can simplify back to 1/3?
Answer:
1
Step-by-step explanation:
Multiply 1/3 x 1 so you can simplify 1/3 to 1/3 but other wise 2/6 is 1/3 3/9 is 1/3 and etc
What is the solution to the following system of equations? 3x-2y=19y=X - 7
Answer:
y = 1
Step-by-step explanation:
3(7) - 2y = 19y
21 - 2y = 19y
21 = 21y
y = 1
I can’t seem to find the shaded area
Answer:
8/21
Step-by-step explanation:
1- 2/7 - 1/3 = 21/21 - 6/21 - 7/21 = 8/21
Evaluate. for n = 15 and t = 7
Answer:
what is the equation?
Step-by-step explanation:
1 Polygon Q is a scaled copy of Polygon using a scale factor of 2. Polygon Q's area is what fraction of Polygon P's area?
Answer:
The answer is 5
Step-by-step explanation:
3+2=5
A rotation maps point A(5, 4) to A’(–4, 5).
Which describes the rotation?
180° clockwise rotation
180° counterclockwise rotation
90° counterclockwise rotation
90° clockwise rotation
Answer:
C
Step-by-step explanation: