(Brainliest for fastest right answer!!) Which is correct?
Answer:
(n - 5)(n + 5)
Step-by-step explanation:
a² - b² = (a - b)(a + b)
n² - 25 = n² - 5² = (n - 5)(n + 5)
Downers grove has gotten 5 inches of snow and the snow depth is increasing by 6 inches every hour. Woodridge has gotten 13 inches of snow and is increasing 2 inches every hour. In how many hours will the snowfall of the towns be equal.
Answer:
2 hours
Step-by-step explanation:
Downers grove = 5 inches of snow + 6 inches every hour
= 5 + 6h
Woodridge = 13 inches + 2 inches every hour
= 13 + 2h
Where,
h = number of hours
In how many hours will the snowfall of the towns be equal?
Equate the snow falls of the towns
Downers grove = Woodridge
5 + 6h = 13 + 2h
Collect like terms
5 - 13 = 2h - 6h
8 = 4h
Divide both sides by 4
h = 8 / 4
= 2
h = 2 hours
The snowfall of the towns will be equal in 2 hours
........................
Answer:
18 boys
Step-by-step explanation:
set a proportion
8 24
-- = ---
6 x
24(6)=8(x)
144=8x
divide 8 by both sides
18 boys
Answer:
there are 32 boys
Step-by-step explanation:
24 divided by 6 = 4
24 + 8 =32
What is the square numeral of 64
Answer:
4
Step-by-step explanation:
pls mark brainliest
Answer:
8
Step-by-step explanation:
Which ski run would probably give you the greatest speed down a hill when you are skiing: one with a slope of 1/8, 1/4, 1, or 2?
Answer:
2
Step-by-step explanation:
For Every x value the y value increases by 2
What is the slope of line containing the points below?
(2,5) and (10,29)
Answer:
7,8
Step-by-step explanation:
A rocket being launched has three engines that are independent of each other. The probability of an engine firing is 0.97. What is the probability of at least one engine not firing? PLEASE HELP
Answer:
.0873
Step-by-step explanation:
If a child weighs 83 pounds, how many ounces does she weigh? 664 oz. 664 oz. 830 oz. 830 oz. 966 oz. 966 oz. 1328 oz.
Answer:
The answer is 1,328
Step-by-step explanation:
The number of ounces that she weighs will be 1328 ounces. Then the correct option is D.
What is conversion?Conversion means converting the same thing into different units.
The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
PEMDAS rule means the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.
If a child weighs 83 pounds. We know that in one pound, there are 16 ounces.
Then the number of ounces that she weighs will be
⇒ 83 x 16
⇒ 1328 ounces
Then the number of ounces that she weighs will be 1328 ounces. Then the correct option is D.
More about the conversion link is given below.
https://brainly.com/question/9414705
#SPJ2
DUE IN 20 PLS HELP!!!!
2+2 lmmmaaoooooo
Answer:
444444444444444
Step-by-step explanation:
Mr. Smith had 3/4 of a peach pie left over. He spilt the leftover pie among his 3 co-workers. What fraction of the pie did each co-worker receive
Answer:
[tex]Fraction = \frac{1}{4}[/tex]
Step-by-step explanation:
Given
[tex]Pie = \frac{3}{4}[/tex]
[tex]Workers = 3[/tex]
Required
Determine the fraction received by each worker
To do this, we simply divide the fraction of the pie by the number of workers.
[tex]Fraction = \frac{Pie}{Workers}[/tex]
[tex]Fraction = \frac{3}{4}/3[/tex]
Convert to multiplication
[tex]Fraction = \frac{3}{4} * \frac{1}{3}[/tex]
[tex]Fraction = \frac{3}{12}[/tex]
Divide numerator and denominator by 3
[tex]Fraction = \frac{3/3}{12/3}[/tex]
[tex]Fraction = \frac{1}{4}[/tex]
Answer:
86
Step-by-step explanation:
I’m dead help me
67. A swimming pool holds 6200 L of water.
The water drains at a rate of 20 L/min. How
long will the pool take to empty?
Answer:
310
Step-by-step explanation:
we are told 5 miles is 8 km.
Convert 32 km to miles.
Step-by-step explanation:
5miles=8km
so, x miles=32km
8x=160
x= 160÷8
=20miles
Please help me with this assignment. Will give brainliest
Answer:
Step-by-step explanation:
B
the product of a number and 3
as an expression
Answer:
3x
Step-by-step explanation:
Let the number be 'x'
The product of a number and 3 = 3*x = 3x
Answer:
3x
.................
2x - 3 = 5(x + 4) + 1 solve for x and show work
Answer:
x=-8
Step-by-step explanation:
2x−3=5x+20+1
2x−3=5x+21
2x−3+3=5x+21+3
Then simplify those numbers
2x=5x+24
Then subtract 5x from both sides
Answer:
x=-8
Step-by-step explanation:
open brackets first
2x - 3 = 5x + 20 + 1
2x - 3 = 5x + 21
transpose
2x - 5x = 21+ 3
calculate
-3x = 24
x= -3/24
x= -8
a. How far would Lin and Noah run in 1 hour? Show
work on the sketch.
Remember - for this question you are trying to find the
number of miles per 1 hour. Miles per hour means miles
divided by hour.
Answer:
i need help
Step-by-step explanation:
Answer is from/credits= WaywardDelaney
The distance cover by Noah in 1 hour to cover distance is 6.5 miles
Step-by-step explanation:
Given as :
The distance cover by Lin = 2 miles = miles
The time taken to cover distance by Lin = hours
Again
The distance cover by Noah = 8 miles = miles
The time taken to cover distance by Noah = hours
Let the distance cover by Noah in 1 hour = d miles
∵ The distance cover by Noah in hours = miles
∴ The distance cover by Noah in 1 hour =
I.e d = miles
or, d = = 6.5 miles
So, The distance cover by Noah in 1 hour = d = 6.5 miles
Hence, The distance cover by Noah in 1 hour to cover distance is 6.5 miles Answer
a2(a-p)-a(p2-3ap+a2)-{a(p2+a2)-p(a2+2p2)}
Answer:
3a^2p-2a^2-8ap-4p^2
Step-by-step explanation:
Can someone please answer this?
What is the slope of a line that passes through points (1,5) and (3,1)?
Answer:
Slope = -2
Step-by-step explanation:
(x₁, y₁) = (1 , 5) and (x₂ , y₂) = (3 , 1)
Slope = [tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]
[tex]= \frac{1- 5}{3 - 1}\\\\=\frac{-4}{2}\\\\= - 2[/tex]
find slope of the line giving brainly
Answer:
1
Step-by-step explanation:
Slope is x-y, so its 1
Answer
the slope is 1
Step-by-step explanation:
4 x 6 - 8 / 4 = help me out
Answer:
22
Step-by-step explanation:
You use the order of operations: PEMDAS.
Sooo...
4*6-8/4=
24-8/4=
24-2=
22
The expression x^3 + ax^2 - 15x + b has a factor of x – 2 and leaves a remainder 75 when divided
by x + 3. Find the value of a and of b.
Answer:
The expression x^3 + ax^2 - 15x + b has a factor of x – 2 and leaves a remainder 75 when divided
by x + 3. Find the value of a and of b.
Let p(x) = x3 + ax2 + bx +6
(x-2) is a factor of the polynomial x3 + ax2 + b x +6
p(2) = 0
p(2) = 23 + a.22 + b.2 +6 =8+4a+2b+6 =14+ 4a+ 2b = 0
7 +2 a +b = 0
b = - 7 -2a -(i)
x3 + ax2 + bx +6 when divided by (x-3) leaves remainder 3.
p(3) = 3
p(3) = 33 + a.32 + b.3 +6= 27+9a +3b +6 =33+9a+3b = 3
11+3a +b =1 => 3a+b =-10 => b= -10-3a -(ii)
Equating the value of b from (ii) and (i) , we have
(- 7 -2a) = (-10 - 3a)
a = -3
Substituting a = -3 in (i), we get
b = - 7 -2(-3) = -7 + 6 = -1
Thus the values of a and b are -3 and -1 respectively.
What is the result of 96 divided by 6 ?use the model to find the anwser.
8
12
16
32
Answer:
96/6= 16
hope this helped hope u have an amazing day goodbye
help please will give brainly if all answerd corectly
Answer:
B
Step-by-step explanation:
The answer should be B
Slope = 5, y-intercept = -1
Answer:
y=5x-1
Step-by-step explanation:
Slope-intercept form: y=mx+b
m=Slope
b=y-intercept
y=5x-1
Hope this helps!
Answer:
y=5x-1
Step-by-step explanation:
is x=25?
please i need help. Thank you very much
Answer:
yes ur right
Step-by-step explanation:
180-130 = 50
50/2 = 25
this works because the sides are equal length
good stuff
Answer:
yep
Step-by-step explanation:
18-=130+x=x
180=130+2x
-130 -130
50=2x
25=x
yep
solve 2x+y=3.5,-x+2y=2.5
Answer:
y=1.7
x=.9
Step-by-step explanation:
Answer:
x = 1.75 -y, y = 1.25 + x
Step-by-step explanation:
Part One
2x + y = 3.5
Divide
x + y = 1.75
Move the variable and change its sign
x = 1.75 -y
Part Two
-x + 2y = 2.5
Divide
-x + y = 1.25
Add
y = 1.25 + x
Jennifer is 20 miles north of her house, and she is driving north on the highway at a rate of 55 miles per hour. How far has she driven after 2 hours?
Answer:
130 miles
Step-by-step explanation:
(55 x 2) + 20 = x Miles
110 + 20 = x miles
130 miles
I need help ASAP please it’s important
Answer: B.
Step-by-step explanation: If you simplify the equation you get 0 = 0, which is not a valid solution.
Which statement correctly distinguishes the functions of lipids from other types of biomolecules
Answer:
The answer is below.
Step-by-step explanation:
Given that there are no available options.
Here are the functions that are peculiar to lipids but not to other biomolecules (proteins, carbohydrates, nucleic acids)
1. contributes to the structure of membranes, particularly in cell enclosures and compartments.
2. guide against desiccation
3. keeps more energy.
4. Serves as insulation against cold.
5. Absorbs shocks.
Need help ASAP!! Please!! Will mark brainliest
Answer:
D. 37.68
Step-by-step explanation:
Circumference of a circle is 2 x pi x radius
your radius is 6 bc its half of your diameter is 12
when you multify them together, it gives you ab 37.68