Help plz 20 points do all work
Answer:
1.7x+1y
2.9x+8n
3.-1r-4n+9y
4.17y-9x
5.-9n-r
Step-by-step explanation:
Combine Like Terms!
Hope this helps! :)
Answer:
1. 8x + 3y - x - 2y
= 8x - x + 3y - 2y
= 7x + y
2. 3n - 7n - 2n + x + 8x
= 3n - 9n + 9x
= - 6n + 9x
3. 2r - 5n + 9y - 3r + n
= 2r - 3r - 5n + n + 9y
= -r - 4n + 9y
4. 12y - 6x + 5y - 3n
= 12y + 5y - 6x - 3n
= 17y - 9n
5. - 13n + 4n - r
= -9n - r
6. 7xy - 8x + 6xy - y
= 7xy + 6xy - 8x - y
= 13xy - 8x - y
7. - 14r - 10n - 3r - 9n
= -14r - 3r - 10n - 9n
= - 17r - 19n
8. 6r + 9r - 2r - 13n
= 6r + 7r - 13n
= 13r - 13n
9. n + r + x - 3x +4r
= n + r + 4r + x - 3x
= n + 5r - 2x
10. 15y - 7x + 9z + 4z - 3x
= 15y - 7x - 3x + 9z + 4z
= 15y - 10x + 13z
Step-by-step explanation:
You just have to group like terms and then 'add' or 'subtract'.
A phone company charges for service according to the formula: C(n) = 27 + 0.03n, where n is the number of min talked, and C(n) is the monthly charge, in dollars.
The rate of change in this equation is:
The initial value in this equation is:
Answer:
0.03
27
Step-by-step explanation:
Use the formula y=mx+b
m= slope
b= y-int
Rate of change can also be interpreted as the slope.
0.03
The initial value can be interpreted as the y-intercept.
27
Find the x- and y-intercepts of the graph of 4x + 4y = 20. State your answers as
whole numbers or as improper fractions in simplest form.
Answer: x-intercepts = (5,0)
y-intercepts = (0,5)
Step-by-step explanation:
Plug y=0 into the equation and solve the resulting equation 4x=20 for x
Plug x=0 into the equation and solve the resulting equation 4y=20 for y
The height, h, of a plant (in inches) w weeks since it was planted is represented by the equations h=3w+3. How many weeks will it takes the plant to reach one foot.
Answer: 3 weeks
Step-by-step explanation:
We have to note firstly that 12 inches = 1 foot.
The equation given to represent the height in the question, h = 3w + 3.
The number of weeks that it will take the plant to reach one foot will then be:
h = 3w + 3
12 = 3w + 3
3w = 12 - 3
3w = 9
w = 9/3
w = 3
It'll take 3 weeks
Dion predicted that he would sell 87 art prints. He actually sold 100 art prints. What are the values of a and b in the table below?
Percent Error
Item
Approximate value
Exact value
Error
Absolute error
Ratio
Percent error
Art prints
87
100
a
b
a = negative 13; b = negative 13
a = negative 13; b = 13
a = 13; b = negative 13
a = 13; b = 13
Answer:
A
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
Rectangular field that measure 2 feet by 18 inches
Answer:
432 square inches
Step-by-step explanation:
thats the area, perimiter is 84 inches
Answer:
Area: 24*18= 432 inches squared
Perimeter: 18+18+24+24= 84 inches
Step-by-step explanation:
2 feet can also be 24 inches
Megan finds a bag of 24 craft bows at the store. The bag indicates that 23 of the bows are striped. Megan wants to know the number of bows in the package that are striped. Select ALL the statements that are true.
Answer: B. Megan can divide the number 24 by 3 and then multiply the result by 2 to find the number of striped bows.
C. Megan can multiply the number 24 by 2 and then divide the result by 3 to find the number of striped bows.
F The number of striped bows in the package is 16.
Step-by-step explanation:
Here's the options:
A. Megan can divide the number 3 by 24 and then multiply the result by 2 to find the number of striped bows.
B. Megan can divide the number 24 by 3 and then multiply the result by 2 to find the number of striped bows.
C. Megan can multiply the number 24 by 2 and then divide the result by 3 to find the number of striped bows.
D. Megan can multiply the number 24 by 3 and then divide the result by 2 to find the number of striped bows.
E The number of striped bows in the package is 36.
F The number of striped bows in the package is 16.
The number of bows in the package that are striped will be calculated as:
= 2/3 × 24
= 16
Based on the options given, the correct answers will be:
B. Megan can divide the number 24 by 3 and then multiply the result by 2 to find the number of striped bows.
C. Megan can multiply the number 24 by 2 and then divide the result by 3 to find the number of striped bows.
F The number of striped bows in the package is 16.
The correct options are B, C and F.
What is the solution to the equation below? Round your answer to two decimal places. 6 • e^x =25
A. X= 1.43
B. X= 0.62
C. X=64.50
D. X= 11.33
Answer:
5
Step-by-step explanation:
i think 5= 25 divided 5 or 2 decimal point
Help me please ❤️
Thank you
Answer:
I think it would be finding the quantity in each group.
Step-by-step explanation:
Because there would be more than 1 group. there is only one group. so you are trying to find the number of hours each person in the group will get.
i think that is right sorry if not.
Answer:
The quantity, the kids would be the groups, we are not looking for the number of kids because we already know that. We're looking for the amount, or quantity each group (kids) gets.
Step-by-step explanation:
For the equation y = 3x2 - 4x + 11, choose the correct application of the quadratic formula.
I need help with this can anyone please help
Answer:
56
Step-by-step explanation:
4*7*2 is 56
Hope that helps and please tell me if I am wrong
HELP HELP HELP HELP HELP!
Distribute the following expression, and type the equivalent expression into the text box.
3(12x-6)
Answer: thanks for brainly points kid
Step-by-step explanation:
what's the value of a ?
[tex]a {}^{2} = 196[/tex]
▶️a = √196
▶️a = 14
VARIFICATION :▶️ 14² = 14×14
▶️ 14² = 196
hence , 14 is the answer..
The endpoints of a line segment are (–1, 6) and (8, 6). What is the length of the line segment?
A.
2 units
B.
7 units
C.
9 units
D.
12 units
write 25387 correct to 4 significant figures
Answer:
25,390
Step-by-step explanation:
The computation is shown below
Given that
There is a number i.e. 25387
Based on the above information
The given numbers should be written in 4 significant figures
So here the number after considering 4 significant figures is 25,390
Hence, the above represents the answer
Need help with math again
Answer:
x=15
Step-by-step explanation:
x=√(12)²+(9)²
x=√144+81=√225
x=15units
In a biology lab, 500 bacteria reproduce by splitting. Every hour, on the hour, each bacterium splits into two bacteria.
Answer:hour 1 500, hour 2 1000, hour 3 2000 , hour 4 4000
Step-by-step explanation:
After 1 hour 500 bacteria split into 500 bacteria.
After 2 hour 500 bacteria split into 1000 bacteria.
After 3 hour 500 bacteria split into 1500 bacteria.
After 4 hour 500 bacteria split into 2000 bacteria.
Given that,
In a biology lab, 500 bacteria reproduce by splitting.
Every hour, on the hour, each bacterium splits into two bacteria.
We have to find,
Find the number of bacteria after 4 hours.
According to the question,
Let us assume n = the number of bacteria at a given hour.
Total number of bacteria = 500
At the end of 1 hour each of the 500 bacteria after an hour is split in to 2 bacteria. So, at the end of 1 hour = n(1) = 1 × 500 = 500 After 1 hour 500 bacteria split into 500 bacteria.At the end of the 2 hour, each of the 500 bacteria will split in to 2 more bacteria. So, n(2) = 2 x 500 = 1000 bacteria After 2 hour 500 bacteria split into 1000 bacteria.At the end of the 3 hour, each of the 500 bacteria will split in to 2 more bacteria. So, n(3) = 500 x 3 = 1500 bacteria After 3 hour 500 bacteria split into 1500 bacteria.At the end of 4 hours, each of the 500 bacteria spilt into 2 more bacteria.
So, n(4) = 4 × 500 = 2000 bacteria
After 4 hour 500 bacteria split into 2000 bacteria.
To know about Multiplication click the link given below.
https://brainly.com/question/15116783
what is the HCF of 9a² -6ax
Answer:
I love you hddmekelejeyeneoeleemeh
Look at the the four patterns below.
-16, -8,-4, -2,
16, 19, 22, 25,
1 + 2 + 4 + 8 +,
16, 12, 9, 27/4,81/16
Which pattern does not belong? Write at least one
sentence to explain your reasoning.
Answer:
27/4,81/16
Step-by-step explanation:
The regualar price of a pair of sneackers
is $55 they are on sale for 25%
Answer:
$41 is your answer
Hope it Helps :)
Answer:
$41.25
Step-by-step explanation:
If the shoes regular price was $55 and the shoes are having a sale for 25%, this is how you would do the math.
25% is 25/100 or .25
55 * .25 = $13.75
55 - 13.75 = 41.25
What’s 16.001 to the nearest one? help me pleaseee
Answer:
16
Step-by-step explanation:
I think you're referring to the nearest whole number, which should be 16 because that's after the decimal point
Can someone help me with this
Answer:
B
Step-by-step explanation:
i think its B because the your line is in the negatives and to be specific in -5
and the line that is going to the right that means it is going to the positive so its positive infinet
Hope it's correct
Answer:
hi
Step-by-step explanation:
i think its B
you should inverse the function from x=y line
i cant explain in enlish better than this
hope this helps
if have more questions just ask
Help me please , due soon
Answer:
Radius=12cm
Diameter=24cm
Step-by-step explanation:
The diameter is the full length of the circle through the middle (which is shown in the picture as 24cm).
The radius is half of the diameter.
Answer:
radius is 12 cm
diameter 24 cm
PLS HELP what expression is equivalent to 2 + y + y + y + y + y +3?
Answer:
5y+5
Step-by-step explanation:
I hope this is right
Math please help im failing this class its algebra
Answer:
y=5x+2
Step-by-step explanation:
-5x-4y=-8
-5x+y=2
y=2+5x
y=5x+2
PLZZ HELPPPP QUIICKK :))
Answer:
A...................
if a parallelogram is 1.9ft at its base and 1.5 at its height what's its area?
Answer:
2.85 ft²
Step-by-step explanation:
1.9 x 1.5
Graph the equation
y = -3. Determine the
slope of the line
Answer:
The slope is 0
Step-by-step explanation:
The line is horizontal. All horizontal lines have a slope of 0.
The graph is attached.
SOMEONE PLEASE HELP ME
9514 1404 393
Answer:
see attached
Step-by-step explanation:
a) Any set of functions that has a total degree of 4 and a total number of x-intercepts of 4 will do. Shown in the first attachment are 4 linear functions. A quadratic function with two x-intercepts could replace two of the linear functions, or a cubic with 3 x-intercepts could replace 3 of the linear functions.
__
b) Again, the total degree must be 3. Since there can only be one x-intercept, the quadratic factor must have none. A possible choice is shown in the second attachment.
There are 32 students in a class. Nine of those students are women. What percent are men? (round to the nearest tenth)
3.5 or 7/2 if you need a fraction
Its 20 because, 32 - 9 = 23 and your rounding so its 20