7 m + 3 and -(- 2 m+11+5)-m+3n+8
7m+3n-(-2m+n+10)-m+3n+8
7m+3n+2m-n-10-m+3n+8
7m+2m-m+3n-n+3n-16+8
Answer=8m+5n-8
There are 60,659 people under the age of 14 years old
There are 215,927 people age between 15 and 64 years old
There are 36,610 people over the age of 65 years old
What is the Old Age Dependency Ratio as a decimal rounded to
the Thousandths place?
Answer:
(2,800/1,500) * 100 = 187%
Step-by-step explanation:
-7x-3x+2=-8x-8 solve the equation for the variable show work
Answer:
sorry man
Step-by-step explanation:
iguess dhejwjsjsj
............-2
6.7x10 =
Answer: 67
Step-by-step explanation:
When you multiply with numbers like 10, 100, 1000, 10000, and so on you just have too right or left (division : left)(multiplication : right) according to the zero's. Like 100 has 2 zero's so then if you're multiplying with that you will go 2 to the right, and dividing you will go 2 to the left. Lets apply the same logic here, the question is 6.7 x 10, 10 has 1 zero and we are multiplying here so then, we have to go to the right, so 6.7 will become 67.
If x=2 and y = -5 find the value of 4x² + 3y² stosib wollen nieu
[tex]4.{2}^{2} + 3.{ - 5}^{2} \\ \\ 8 + ( - 10) \\ \\ - 2[/tex]
So the answer is -2Hope it help youAnswer:
-59
Step-by-step explanation:
you plug 2 and -5 into the equation and then solve from there
5.346 - 2.289 = ?
SHOW WORK
WILL GIVE BRAINLIEST PLEASE
Answer:
7.635
Step-by-step explanation:
1 1
|5| . |3| |4| |6|
+ |2| . |2| |8| |9|
--------------------------------------------------------
|7| . |6| |3|
noboboboobobovobobnaoakspapsls
What percentage of households in the survey have four or more televisions?
Answer:
2.5% ?
Step-by-step explanation:
.025 as percentage is 2.5%
From 1985 through 1995, the yearly gross farrm revenue (in millions) in the United States can be modeled by the function R(t)=-t^2+7t+159 and the yearly farm cost (in millions) in the United States can be modeled by the function c(t)=t^2+131 where t is the number of years since 1985. Write a new function, P(t), that models the yearly profit after 1985
The profit function is simply the difference between the revenue function and the cost function. The profit function that models the yearly profit after 1985 is [tex]P(t) = 7t + 28[/tex]
Given that:
[tex]R(t) = t^2 + 7t + 159[/tex]
[tex]c(t) = t^2 + 131[/tex]
The profit function P(t) is calculated as follows:
[tex]P(t) = R(t) - c(t)[/tex]
So, we have:
[tex]P(t) = t^2 + 7t + 159 - (t^2 + 131)[/tex]
Open brackets
[tex]P(t) = t^2 + 7t + 159 - t^2 - 131[/tex]
Collect like terms
[tex]P(t) = t^2- t^2 + 7t + 159 - 131[/tex]
[tex]P(t) = 7t + 28[/tex]
Hence, the profit function that models the yearly profit after 1985 is [tex]P(t) = 7t + 28[/tex]
Read more about profit functions at:
https://brainly.com/question/11334756
Please help!! Due tm! NO LINK
Ans4
Step-by-step explanation:
Step-by-step explanation:
25 . f (-6) = 7
26 . f (0) = -2
27 . x = 2
28 . x = -4
During a 12-hour period, the
temperature dropped 48º.
How many degrees did the
temperature drop each hour?
Answer:
4 degrees every hour
Step-by-step explanation:
Since it was 48 degrees over a total of 12 hours we can do:
48 / 12 = 4 degrees.
It may be presented as -4 degrees since it is dropping in tempature therefore making it negative.
A dance academy charges $24 per class and a one time registration fee of $15. A student paid a total of $687 to the academy. Find the number of classes the student took.
Answer:
The student took 28 classes
Step-by-step explanation:
What I did was minus $15 from the $687 total, cause $15 is only a one time registration fee, then 687-15=672, so then I divided 672 by the cost per class, so $24, 672 divided by 24 equals to 28, so the student took 28 classes.
What is the range of the function on the graph
all real numbers
all real numbers less than or equal to 1
all real numbers less than or equal to 3
all real numbers less than or equal to 0
Marks and con
Save and Exit
Det
Submit
Answer:
where is the graph
Step-by-step explanation:
Solve 4 [5 (12+3)-2]-7 PLSSS HELP MEEE
Answer:
285
Step-by-step explanation:
4(5x15-2)-7
4(75-2)-7
4x73-7
292-7
285
-1/2 (-3y + 10)
Please, I need help on this one.
Answer:
[tex] - \frac{1}{2} ( - 3y + 10) \\ \\ = \frac{3}{2} y - \frac{10}{2} \\ \\ = { \boxed{ \boxed{ \frac{3}{2} y - 5}}}[/tex]
I NEED HELP ASAP FIRST PERSON CORRECT GETS BRAINLIST
Answer:
the first one has no solution because the lines never intersect.
the second one has one solution: (-3, 3)
the third one has an infinite solution because there lines are on top of each other the entire time.
Step-by-step explanation:
:)
Step-by-step explanation:
(i) No solution
Because they are parallel to each other
(ii) One solution
Because they intersect each other
(x,y) = (-3,3)
(iii) Infinite solution
Because they are in one line
Jane is solving the equasion -2x + 4 = 18. She tells her partner that they should add two to both sides first since that is the inverse of -2. Did Jane start this equation correctly? Explain your reasoning
Answer:
No
Step-by-step explanation:
Given
- 2x + 4 = 18
note the inverse of - 2 is - [tex]\frac{1}{2}[/tex] not - 2
However , the first step is to isolate the term in x by subtracting 4 from both sides.
- 2x = 18 - 4 = 14 ( divide both sides by - 2 )
x = - 7
There are 21 apples,28 pears and 49 oranges. These are to be arranged in heaps containing the same number of fruits. Find the greatest number of fruits possible to keep in each heap. How many heaps are formed by this arrangement?
Answer:
greatest no. of fruits possible to keep in each heap is 7
no. of heaps is 14
Step-by-step explanation:
21 apples
28 pears
49 oranges.
[tex]28 \div 21[/tex]quotient will be 1 and 7 remainder
[tex]21 \div 7[/tex]
quotient will be 3 and 0 remainder
[tex]49 \div 7[/tex]
quotient will be 7 and 0 remainder
hence, the greatest number of fruits is 7
Now,no. of heaps formed to keep fruits
Apple = 21
Pear = 28
Orange =49
Now, 21+28+49 = 98
Then, one heap can store can 7 fruits
Then,let the no. of heaps be x
x= 98÷7
x=14
Hence, no. of heaps = 14
five more than twice a certain number
Emmy made lasagna for dinner. She put The lasagna into the oven at 4:27 PM and took it out at 5:03 PM how long was the lasagna in the oven
Answer:
36minutes
Step-by-step explanation:
5 :03 - 4:27
= 36minutes
The actual distance between A and B is 960 metres.
a) Work out the scale on the map. Give your answer in the form 1:n
b) Work out the actual distance between A and C in kilometres. Your final line must say, AC = ... km
Answer:
Step-by-step explanation:
a. 960 / 4 = 240 for 1 grid
1/2 cm = 24000
1 : 48000
b. A to C
AC² = 3² + 6²
AC² = 9 + 36
AC²= 432 + 1728
AC² = 2160
AC = √2160 km
Which of these is an incorrect expression of a rational number?
A
−42−6
B
1−19
C
0−27
D
−120
Answer:
I believe it to be D
Step-by-step explanation:
because thats the only one different out of those four.
Answer:
the answer is -120
Step-by-step explanation:
Use 1/2 of preparation now. In 24 hours use the remaining amount of preparation there is 8 ounces of preparation in the bottle. How much will you use for each use?
A function is defined by fx) = x/4 . What is f(-8)?
a. -2
b. -1/2
c. 1/2
d. 2
HELP PLEASE
Answer:
The choose a. – 2
Step-by-step explanation:
[tex]f( - 8) = \frac{ - 8}{4} = - 2[/tex]
Find the area of a rectangular ground which is 14 1/2 m long and 10 2/3 m wide.
Answer:
154 2/3 m²
Step-by-step explanation:
14 1/2 x 10 2/3
First, make the mixed numbers into improper fractions:
29/2 x 32/3
Simlify by cross cancelling if you can:
29/1 x 16/3
Then, multiply:
29/1 x 16/3 = 29 x 16/1 x 3 = 464/3
Finally, turn the new improper fraction into a simplified mixed number:
464/3 = 154 2/3
The area is 154 2/3 m²
Lawrence spent $1.89 on a bottle of paint and $0.45 on a brush. What was the total amount he spent? Use the model to help you.
Please help!!!!!!!!!!!!!!
Step-by-step explanation:
[tex] {40}^{ \frac{1}{2} } and \: 2 \sqrt{10} [/tex]
Write f(x) = 2x2 – 44x + 185 in vertex form.
To write f(x) = 2x2 – 44x + 185, factor out
from the first two terms.
Next, form a perfect square trinomial keeping the value of the function equivalent:
f(x) = 2(x2 – 22x + 121) + 185 – 242
The function written in vertex form is f(x) =
(x –
)2 +
.
Answer:
Step-by-step explanation:
[tex]f(x)=2x^2-44x+185\\\\=2(x^2-2*11*x)+185\\\\=2(x^2-2*11*x+11^2)+185-2*121\\\\\boxed{f(x)=2(x-11)^2-57}\\\\vertex\ is\ (11,-57)[/tex]
Answer:
f(x) = 2(x - 11)² - 57
Step-by-step explanation:
Given
f(x) = 2x² - 44x + 185 ( factor out 2 from the first two terms )
f(x) = 2(x² - 22x) + 185
To complete the square
add/ subtract ( half the coefficient of the x- term )² to x² - 22x
f(x) = 2(x² + 2(- 11)x + 121 - 121 ) + 185
= 2(x - 11)² + 2(- 121) + 185
= 2(x - 11)² - 242 + 185
f(x) = 2(x - 11)² - 57 ← in vertex form
what is the coordinate points for r(-2)=0
2x^2(6x^3-3x+1) need help
Answer:
12x^5-6x^3+2x^2
Step-by-step explanation:
What is 7b+3-4b=3-3b+12
Answer:
b=2
Step-by-step explanation:
Find the perimeter. Simplify your answer.
60'
90-8
4c+6
c-7
6c + (c - 7) + (9c - 8) + (4c + 6) =
= 6c + c - 7 + 9c - 8 + 4c + 6 =
= 6c + c + 9c + 4c - 7 - 8 + 6 = 20c - 9
