Answers
—————
r+3
41r+21
————
r+3
Hope this helps
Related Questions
check whether x² +4x +4 is prefect spuare expression or not . if so factorise the expression
Answers
Answer:
It is a perfect square expression.
It factors to (x+2)^2
===========================================================
Explanation:
The general format for a perfect square is
(a+b)^2 = a^2 + 2ab + b^2
Which can be seen through the use of the FOIL rule.
Compare x^2+4x+4 with a^2+2ab+b^2, and we have these three equivalences:
x^2 = a^2 .... first terms4x = 2ab .... middle terms4 = b^2 .... last termsSince x^2 = a^2, we can apply the square root to both sides to get a = x. Similarly, 4 = b^2 leads to b = 2. We could get b = -2, but that would mean 2ab = 2x*(-2) = -4x instead of 4x. So we'll stick with b = 2 instead.
Because a = x and b = 2, we then can say:
(a+b)^2 = a^2 + 2ab + b^2
(x+2)^2 = x^2 + 2*x*2 + 2^2
(x+2)^2 = x^2 + 4x + 4
Showing that x^2+4x+4 factors to (x+2)^2.
Help I need to do that I don’t even know what it is I’ll
Give brianliest
Answers
Answer:
Step-by-step explanation:
1. f(x) = 5x² + 3x - 1
a. f(0) = 5·0² + 3·0 - 1 = -1
b. f(-1) = 5(-1)² + 3(-1) - 1 = 1
Do the same for f(2), f(√2), f(a+2), and f(a).
Then do the same thing for the next function.
2. f(x) = x/(1-x)
a. f(0) = 0/(1-0) = 0
Do the same for f(-1), f(2), f(√2), f(a+2), and f(a).
Colin can type 30 words in a minute How many words can be typed in 2.5 minutes?
Answers
Answer:
75 words in 2.5 minutes
Step-by-step explanation:
30 words - 1 min
60 words - 2 min
30/2 = half a minute
=15
60+15=
75 words
8. You throw a ball downward 40 feet per second from a building
that is 256 feet above the ground. How long will it take
the ball to hit the ground?
Answers
Answer:
6.16?
Step-by-step explanation:
Not completely sure but if you divide 256 by 40 you get six remainder 16 not sure if I did it right so sorry if I am wrong
Find the volume of the sphere .
Answers
Answer:
1436.8cm³
Step-by-step explanation:
Formula :
[tex] \frac{4}{3} \times \pi \times r ^{3} [/tex]
[tex] \frac{4}{3} \times \pi \times 7^{3} [/tex]
=1436.75504cm³
to 1dp
=1436.8cm³
8. By using coupons, Mary Jo is able to decrease the retail price of her groceries, g, by $125. you find the nroduct of the base and height and then divide by 2. Expression.
Answers
Answer:
is there more to it? if not i dont understand what they are asking.
Step-by-step explanation:
Find the slope of the line that passes through each of the following pairs of points:
(-1,4) and (3,-8)
Answers
Answer:
-12/4
Step-by-step explanation:
Use the slope formula
y2-y1. -8-4
---------- ______ = -12/4
x2-x1. 3-(-1)
Which point is located at (2, 3)?
A
B
C
D
Answers
Answer:
a
Step-by-step explanation:
If two lines have the same y intercept and the same slope will they intercept at exactly one point?
True or false or partly true
Answers
Answer:
False because the lines would be going somewhat in this direction // both lines would be like that so they wouldnt intercept unless the lines were to go like /\ then they would intercept
PLEASE HELP DO SOON!!!
What is the length of CD?
What is the length of AB? Round answer to the nearest hundredth.
Answers
Answer:
CD=14AB=9.17Step-by-step explanation:
to understand thisyou need to know about:circlelet's solve:according to the question
DF×DG=CD×DEsubstitute the value of DF,DG, and DE:3×4=CD×2simplify multiplication:12=2CDsimplify substraction:2CD/2=12/2therefore CD=6SECOND QUESTION:
first find the measure of BE
6+2+612+214according to the question
AB²=BE×BCsquare both sides
[tex]\sqrt{AB^{2}}=\sqrt{BE\times BC}[/tex][tex]AB=\sqrt{BE\times BC}[/tex]substitute the values of BE and BC
[tex]AB = \sqrt{14 \times 6} [/tex]simplify multiplication:
[tex] \sqrt{84} [/tex]simplify redical:
9.17Find the volume of each figure. PLZZZ I NEED HELP ASAP!!!!!! :/
Answers
= 132cm^3
10) 80ft^3
11) 72km^3
Hope this helps!!
Six equal blocks have a total mass of b kg. What is the mass of each block?.
Answers
1 / b kg
How many 1-foot-square border tiles would you need to surround a pool
that is 10 feet long and 5 feet wide? *
Answers
It is 34 because it is
10+10+5+5=30
when it comes to simply the edge lengths but to completely surround the pool you would need the 4 extra tiles on the corners which makes it
10+10+5+5+4=34
y= 2 over 3 x + 20 when x= 21
Answers
Answer:
y=1262 /63 or y=20 and 2/63
Step-by-step explanation:
plug 21 into the equation to get y=2/3(21)+20
find the y-coordinate of the y-intercept of the polynomial function defined below f(x)=2x(x^2+3)
Answers
Answer:
y-intercept is (0,0). Mark brainliest?
Answer:
Step-by-step explanation:
2x([tex]x^{2}[/tex] + 3)
when x = 0 then we have a y intercept
2[tex]x^{3}[/tex] +6x
so b/c both terms have an x in them
we know the only time this function hits the y intercept is when y is zero
got it?
answer y = 0
Write a quadratic equation ax²+ bx + C = 0, whose coefficients are a =-9, b = 0, c = -2
Please I really need your help for this
Answers
Let's write -9 where we see A:
-9x² + bx + c = 0Let's write 0 where we see B:
-9x² + 0.x + c = 0(Since B = 0, when it is multiplied by x, it becomes 0 again)
-9x² + c = 0Let's write -2 where we see C:
-9x² + -2 = 0Now we can move on to solving our equation:)
Let's put the known and the unknown on different sides:
(-2 goes to the opposite side positively)
-9x² = 2(it goes as a division because it is in the case of multiplying -9 across)
x² = 2/-9
I could not find the rest of it, but I did not want to delete it for trying very hard. Sorry. It felt like we should take the square root, but I couldn't find it, maybe this can help you a little bit.
Please do not report:(
I hope I got it right, I'm trying to improve my English a little :)
Greetings from Turkey:)#XBadeXThe quadratic equation ax²+ bx + C = 0, whose coefficients are a = -9, b = 0, c = -2 will be -9x² + -2 = 0
What is the equation?An equation is a statement that two expressions, which include variables and/or numbers, are equal. In essence, equations are questions, and efforts to systematically find solutions to these questions have been the driving forces behind the creation of mathematics.
It is given that,coefficients fore the equation,ax²+ bx + C = 0, is a =-9, b = 0, c = -2
We have to write a quadratic equation as,
Any equation of the form ax²+bx+c=0 where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.
ax² + bx + c = 0
-9x² + 0x + (-2) = 0
-9x² + -2 = 0
-9x² + -2 = 0
Thus, the quadratic equation ax²+ bx + C = 0, whose coefficients are a =-9, b = 0, c = -2 will be -9x² + -2 = 0
Learn more about the equation here,
https://brainly.com/question/10413253
#SPJ6
2) Select one of your sides.
Side: Nachos Price: 3.00
Your cost to make this side just became
cheaper. As a result, you are going to
decrease the price by $0.25. What is
the percent of change ?
Answer:
Answers
f(x)=4x-3, g(x)=10-x
Work out gf(x)?
Answers
Step-by-step explanation:
Given
f(x) = 4x - 3
g(x) = 10 - x
So Now
gf(x) = g( 4x - 3)
= 10 - 4x + 3
= 13 - 4x
Hope it will help :)❤
If you watched any or both of these movies, make a 5 sentence summary about it
(ill give brainly and 25 points) :)
Answers
Answer:
Disney The Jungle Book (the first one): Mowgli (played by Neel Sethi) is a young boy that was raised by a family of wolves. One day he has to leave his home when the fearsome tiger, named Shere Khan (voiced by Idris Elba) unleashes a powerful roar. With aid from a panther (voiced by Ben Kingsley) and a care-free bear (voiced by Bill Murray), Mowgli meets a ton of new jungle animals. A few of which include a slithery python and a friendly ape. Along his way, Mowgli learns valuable lessons about life in this movie full of fun and adventure.
The Jungle Book (the second one): This is a classic Walt Disney animation that is based on Rudyard Kipling's book. Mowgli is a young, abandoned child who was raised by wolves. One day his peaceful life is threatened by the evil tiger, named Shere Khan (voiced by George Sanders). Mowgli must leave his wolf family behind in order to return to the "man village." Throughout his quest he is not alone, aided by a panther named Bagheera, and later on, a carefree bear named Balloo, he traverses the jungle's many perils.
Step-by-step explanation:
Hope this helps :)
there are seven people and Luisa's family they have four loaves of cinnamon bread to share equally Luisa wants to know how much cinnamon bread she will get
Answers
Answer:
[tex]\frac{4}{7}[/tex] of a loave of bread per person
Step-by-step explanation:
Step 1: Convert words to expressions
Seven people in Luisa's Family = 7 people
Four loaves of cinnamon bread = 4 loaves
Step 2: Divide people from loaves
4 loaves / 7 people <- This means they are splitting 4 loaves of bread between 7 people
[tex]\frac{4}{7}[/tex] of a loave of bread per person
Answer: [tex]\frac{4}{7}[/tex] of a loave of bread per person
A company sells widgets. The amount of profit, y, made by the company, is related to
the selling price of each widget, x, by the given equation. Using this equation, find out
what price the widgets should be sold for, to the nearest cent, for the company to
make the maximum profit.
3032 + 13251 – 8569
Answers
Answer:
bad expression
Step-by-step explanation:
13251+3032−8569=7714
Which graph represents the solution for the equation 3x + 2 = 5x?
**+
Answers
(x - 12y = -4
( x - 9y = 7
Answers
9514 1404 393
Answer:
(x, y) = (40, 11/3)
Step-by-step explanation:
The variable x can be eliminated by subtracting the first equation from the second.
(x -9y) -(x -12y) = (7) -(-4)
3y = 11 . . . . . . .simpify
y = 11/3 . . . . . .divide by 3
x -9(11/3) = 7 . . . . substitute for y in the second equation
x = 40 . . . . . . . add 33
The solution is (x, y) = (40, 11/3).
Lani opened a savings account with
$450. She saves $225 per month. Which
equation shows how many months, m,
Lani would have to save to have a total of
$1575 in her account?
A 1575=-450/225
B 1575 = 450m +225m
C 1575 = 450 +225m
D 1575 = 225 +450m
Answers
Answer:
The answer would be C
Step-by-step explanation:
Mark the absolute maximum point of the graph
Answers
Brainliest???
Dilate D(7,4) by a scale factor of k = 3
Answers
Answer: (21,12)
Step-by-step explanation:
el tema es desigualdades con valor absoluto
Answers
Answer:
i need english
Step-by-step explanation:
pls help. i need help doing this problem and have been going at it for the longest. this is algebra II.
Answers
N in the equation is the number of times it compounds in a year. Since it is compounded yearly n = 1.
A = 1000( 1+ 0.08/1)^(7x1)
A = 1000(1.08)^7
A = $1,713.82
They will have $1.713.82 after 7 years
what is -2/3 times -12. This questions is related to converting slope point form into slope intercept form.
Answers
Answer:
-2/3 times -12=8
Step-by-step explanation:
Which shows the correct solution of the equation a
1/2a + 2/3b=50, when b=30?
Answers
Answer:
c.) a = 60
explanation:
This is the only work that is correctly shown, if you are doing edg, hope it helps!