Answer:
16 problems
Step-by-step explanation:
1. First, we must know that to find how many problems the student solved, we have to multiply the percentage he got by the total number of problems.
2. (Solving)
[tex]\frac{80}{100}*20[/tex] [tex]\frac{4}{5} *20[/tex] [tex]\frac{80}{5}[/tex] [tex]16[/tex]Therefore, the student answered 16 problems correctly.
Answer:
16
Step-by-step explanation:
1. Match the polynomial with its end behavior.
A. f(x) = -2x + 3
B. f(x) = x2 - 6x + 3
1. As x gets larger and larger in either
the positive or negative direction,
f(x) gets larger and larger in the
positive direction.
C. f(x) = 1 – x2 + 2x3
D.f(x) = 7 - x4
DE
2. As x gets larger and larger in the
positive direction, f(x) gets larger
and larger in the positive direction.
As x gets larger and larger in the
negative direction, f(x) gets larger
and larger in the negative direction.
3. As x gets larger and larger in the
positive direction, f(x) gets larger
and larger in the negative (help please)direction.
As x gets larger and larger in the
negative direction, f(x) gets larger
and larger in the positive direction.
4. As x gets larger and larger in either
the positive or negative direction,
f(x) gets larger and larger in the
negative direction.
Using infinity limits, the matching pairs are:
A - 3.B - 1.C - 2.D - 4.The end behavior of a function f(x) is given by:
[tex]\lim_{x \rightarrow \infty} f(x)[/tex]
Function A:
[tex]f(x) = -2x + 3[/tex]
[tex]\lim_{x \rightarrow -\infty} f(x) = \lim_{x \rightarrow -\infty} -2x + 3 = \lim_{x \rightarrow -\infty} -2x = -2(-\infty) = \infty[/tex]
[tex]\lim_{x \rightarrow \infty} f(x) = \lim_{x \rightarrow \infty} -2x + 3 = \lim_{x \rightarrow \infty} -2x = -2(\infty) = -\infty[/tex]
Thus, matches with item 3.
Function B:
[tex]f(x) = x^2 - 6x + 3[/tex]
[tex]\lim_{x \rightarrow -\infty} f(x) = \lim_{x \rightarrow -\infty} x^2 - 6x + 3 = \lim_{x \rightarrow -\infty} x^2 = (-\infty)^2 = \infty[/tex]
[tex]\lim_{x \rightarrow \infty} f(x) = \lim_{x \rightarrow \infty} x^2 - 6x + 3 = \lim_{x \rightarrow \infty} x^2 = (\infty)^2 = \infty[/tex]
Thus, matches with item 1.
Function C:
[tex]f(x) = 1 - x^2 + 2x^3[/tex]
[tex]\lim_{x \rightarrow -\infty} f(x) = \lim_{x \rightarrow -\infty} 1 - x^2 + 2x^3 = \lim_{x \rightarrow -\infty} 2x^3 = 2(-\infty)^3 = -\infty[/tex]
[tex]\lim_{x \rightarrow \infty} f(x) = \lim_{x \rightarrow \infty} 1 - x^2 + 2x^3 = \lim_{x \rightarrow \infty} 2x^3 = 2(\infty)^3 = \infty[/tex]
Thus, matches with item 2.
Function D:
[tex]f(x) = 7 - x^4[/tex]
[tex]\lim_{x \rightarrow -\infty} f(x) = \lim_{x \rightarrow -\infty} 7 - x^4 = \lim_{x \rightarrow -\infty} -x^4 = -(-\infty)^4 = -\infty[/tex]
[tex]\lim_{x \rightarrow \infty} f(x) = \lim_{x \rightarrow \infty} 7 - x^4 = \lim_{x \rightarrow \infty} -x^4 = -(\infty)^4 = -\infty[/tex]
Thus, matches with item 4.
A similar problem is given at https://brainly.com/question/24248193
Find the perimeter of the rectangle on the centimetre grid.
Answer:
24 cm
Step-by-step explanation:
Each side of a square represents 1cm
The rectangle's length touches 5 squares, and breadth touches 7 squares.
Perimetre of rectangle: 2(l+b)
2(5+7)
2×12
or 24 cm
How would you solve for M in this equation?
E=[tex]\frac{1}{2}[/tex][tex]mv^{2}[/tex]
(3x+1)^ 2-(3x+1)(3x+5)+(3x+5)^
Answer:
1-9×
Step-by-step explanation:
its ur choice if ur gonna copy my ans
You began a new job at a pizza shop 3 weeks ago. You worked 6 hours during the first week, 4 hours during the second week, and 10 hours during the third week. Which graph best represents the total hours you worked over these 3 weeks?
What is the value of 4 in 5.264?
Answer:
0.004 or 4-thousandths or 4/1000
Step-by-step explanation:
The 5 is in the one place.
The 2 is in the tenths place.
The 6 is in the hundredths place.
The 4 is in the thousandths place.
A 4 in the thousandths place means 4-thousandths.
The value of the 4 is 0.004 or 4-thousandths or 4/1000.
Can anyone please help me out
Answer:
B = 3.31662479
rounded to 3.32
Step-by-step explanation:
Pythagorean theorem: [tex]a^{2} + b^{2} = c^{2}[/tex]
A & B = the base and height
C = The diagonal line.
A & B can be base or height. ( base = 2 Height = 3. It can be [tex]2^{2} + 3^{2}[/tex] or [tex]3^{2} + 2^{2}[/tex] )
Because when you add it doesn't matter where each number is put.
I like doing b for the base, because there's a b in base, to make it easier for me. But you can do whatever.
A = 5
B = ?
C = 6
[tex]5^{2} + b^{2} + 6^{2}[/tex]
From here you will solve to get b.
[tex]5*5 + b^{2} = 6 * 6[/tex]
[tex]25 + b^{2} = 36[/tex]
25 - 25 + [tex]b^{2}[/tex] = 36 - 25
[tex]b^{2}[/tex] = 11
To under the exponent you have to [tex]\sqrt[/tex] it.
[tex]\sqrt{b_{2}}[/tex] = [tex]\sqrt{11}[/tex]
[tex]5^{2} + 3.32^{2} = 6^{2}[/tex]
B = 3.31662479
rounded to 3.32
Check your work :
[tex]5^{2} + 3.32^{2} = 6^{2}[/tex]
________
[tex] \: [/tex]
a² = c² - b²
a² = 6² - 5²
a² = 36 - 25
a² = 11
a = √11
a ≈ 3.316...
help help pls!!!!!!!!!!!!!
Answer:D
Step-by-step explanation:the exterior angle of a triangle is equal to the sun of the opposite interior angles
120 =11x-6+10x
21x= 126
x=6
Given that f(x) = 3x - 4 complete the table below.
Answer:
where is the table:0
Step-by-step explanation:
help me answer this question please ! ! please . correctly this time .
Answer:
the last answer..... x.
explain mathematically how you know 5y+4=10 and 5y=6 are equivalent
Answer:
see explanation
Step-by-step explanation:
Given
5y + 4 = 10 ( subtract 4 from both sides )
5y = 10 - 4 , that is
5y = 6
Thus 5y + 4 = 10 is equivalent to 5y = 6
Answer: y= 9x+6y=15
Step-by-step explanation:
match each term w/ definition
will give brainliest
Answer:
Term. answer
1. linear pair
2. angle bisector
3. congruent angles
4. complementary angles
5. supplementary angles
6. adjacent angles
Step-by-step explanation:
hope this helps
thank you
is 9^4 equivalent to 3^8
Answer: 9^4 is 6561 and 3^8 is 6561 so yes it is equivalent.
Brainliest if you liked answer
Perform the indicated operation. (-10) ÷ (-20)
O 2
O 2
O 1/2
O -1/2
Answer:
[tex] \frac{ - 10}{ - 20} \\ = \frac{1}{2} \\ thank \: you[/tex]
For Thanksgiving Break Nykouth and her family is going to visit relatives in Nebraska. Her dad has found a hotel room at the Hilton Doubletree for $109 per night. The hotel charges a one-time $35 cleaning fee. Nykouth and her family plans to visit n nights.
Answer:
109n + 35
Step-by-step explanation:
I'm not sure what you are asking because you have no question in there
Can someone help me with number 36? Tysmmm
Answer: Never(!) [assuming I understand/interpret the question properly]
Step-by-step explanation: The question wants to know how many months it will take for your neighbor's total cost be the same as yours, with three televisions. One has to interpret "total cost." I deem it to be the total accumulated costs, including installation. If you interpret it as the cost per month, then they charges are the same after the month the installation cast was paid. That's because the satellite provider charges per television, and 3*(13.32) is equal to the same 39.96/month charged by the cable provider. It the questions means total cumulative costs, the satellite customer will never exceed the cable customer's total bill, because of the installation fee ($75 for cable and free for satellite)
If f(x)=|x+6|, find f(−10).
Answer:
f(-10) = 4
Step-by-step explanation:
|x+6|
|(-10)+6|
|-4|
4
|| takes the absolute value of a number, meaning it turns negative numbers into positive numbers and keeps everything else the same.
Answer: The correct answer is -4 I took the test
Step-by-step explanation:
2. We know that FGH 2 KGJ
because they are____angles
Adjacent. 
supplementary.
Vertical
Answer:
Vertical angles and I hope this'll help
Answer:
Vertical
Step-by-step explanation:
lets go almost a year late
edg
What is an equation of the line that passes through the point (4, 5)and is parallel to the whose equation is y = 2/3 x - 4?
A. 2y + 3x = 11
B. 2y + 3x = 22
C. 3y - 2x = 2
D. 3y - 2x = 7
Answer:
the answer is d
Step-by-step explanation:
I took the test
ASAP ,
Help me please
3x=1+y is the ans submit it
How do you do this ?
Answer:
you're supposed to distribute the 4 to whatever "n" is
Solve for x and find the measure of each angle. 7x— 26) (5x — 27) (10-23)
Answer:
M{ABC= 5x-27 = 5x15-27 = 48°
M{BAC=7x-26° = 7x15-26=79°
M{ACB=180°-(48° +70°) = 54°
Exterior angle 10x15-23 = 127°
Step-by-step explanation:
Sorry but I don't know the 1st one like I don't understand what does it mean by x = and sorry if I did it wrong
Decide whether or not each number is in
scientific notation. Explain your reasoning.
a) 12.5 X 10^7 c) 0.43 X 10^6
b) 5.688 X 10^12 d) 4.5 X 5^6
Answer:
c) 0.43 X 10^6
Step-by-step explanation:
C is not in scientific notation because the decimal point has to be in front of a number with a actual value therefore making answer C not in scientfic notation form.
MUG has coordinates M(9,-6), U(2,7), and G(4,3). A translation maps point M to M'(6,-3).
What are the coordinates of U' and G' for this translation?
(type an ordered pair)
U'=_____
G'=_____
Answer:
Translation (x,y) = (-3,+3)
U' = (-1,10)
G' = (1,0)
Step-by-step explanation:
The translation of x and y (U') = -1,10
The translation of y (G') = 1,0
It's subtracting 3 (for x) and adding 3 (for y)
The coordinates of U' and G' for this translation are U' = (5, 9) and G' = (7, 6).
What is the definition of the term translation?In mathematics, a translation is the movement of a shape to the left or right and/or upward or downward. The translated shapes appear to be the same size as that of the original shape, and thus the shapes are congruent. They were simply shifted in one or even more directions.For the given question,
MUG has coordinates M(9,-6), U(2,7), and G(4,3).
A translation maps point M(9,-6) to M'(6,-3).
There is a translation of 3 units on x and y axis.
Thus, applying same translation to the other two coordinates.
U'= (2 + 3, 7 + 3) = (5, 9)
G'= (4 +3, 3 + 3) = (7, 6)
Thus, the coordinates of U' and G' for this translation are U' = (5, 9) and G' = (7, 6).
To know more about the translation, here
https://brainly.com/question/1046778
#SPJ2
a car salesperson earns 4% commision for each car he sells.he sells a car for $21,250. how much commission does the saleperson earn
Simplify: 36 - [18 - {14 - (15 - 4 ÷2 ×2)}]
Answer:
36 - [18 - {14 - (15 - 4 ÷ 2 × 2)}]= 36-[18-{14-(15-4)}]= 36-[18-{14-9}]=36-[18-5]=36-13=23
Step-by-step explanation:
36 - [18 - {14 - (15 - 4 ÷2 ×2)}]
= 36 - [18 - {14 - (15 - 2 ×2)}]
= 36 - [18 - {14 - (15 - 4)}]
= 36 - [18 - {14 - 11}]
= 36 - [18 - 3]
= 36 - 15
= 21
Answer:21
The length of a rectangle is one less than twice the width. The perimeter is 46.
Find the length and width
Answer:
Loading,please wait...
Step-by-step explanation:
find the product (n- 2xb)(4n- xb)
Step-by-step explanation:
(n-2xb)(4n-xb)
= 4n^2 - 8xbn - xbn + 2(xb)^2
= 4n^2 - 9xbn + 2(xb)^2
Ik this is not math but please help
PLEASE HELP FAST!
what is the length of segment AB?
10
12
13
15
Answer:
13
Step-by-step explanation:
This triangle appears to be 5 units wide and 12 units tall.
Using the pythagorean theorem, a^2 + b^2 = c^2, we get 25 + 144 = 169 or 13^2.
Therefore the answer is 13.