Answer:
x=2
Step-by-step explanation:
x2
x
+−3=x+x+−5
Multiply all terms by x and cancel:
x2+−3x=xx+xx+−5x
x2−3x=2x2−5x(Simplify both sides of the equation)
x2−3x−(2x2−5x)=2x2−5x−(2x2−5x)(Subtract 2x^2-5x from both sides)
−x2+2x=0
x(−x+2)=0(Factor left side of equation)
x=0 or −x+2=0(Set factors equal to 0)
x=0 or x=2
Check answers. (Plug them in to make sure they work.)
x=0(Doesn't work in original equation)
x=2(Works in original equation)
Answer:
x=2
need help again!!! please and thank you!
Answer:
C) 4
Step-by-step explanation:
Just follow the same steps as the last one.
32x+2 = 33x-2
2+2=33x-32x
4=1x
X=4
The expression (Ux²+x-T) (2x-1) can be written in the form (2x-1)²(x+S) where U, T and S are constant. Find the values of U, T and S....... Please help me solve this polynomial
Answer:
U=2, S=1, T=1
Step-by-step explanation:
(Ux²+x-T) (2x-1)=(2x-1)²(x+S)
(Ux²+x-T)=(2x-1)(x+S)=2x²+(2S-1)x-S
U=2
2S-1=1 --> S=1
T=S=1
About Each statement below involves odd and even integers. An odd integer is an integer that can be expressed as 2k+1 , where k is an integer. An even integer is an integer that can be expressed as 2k , where k is an integer. Prove each of the following statements using a direct proof.
a. The sum of an odd and an even integer is odd.
b. The sum of two odd integers is an even integer.
c. The square of an odd integer is an odd integer.
d. The product of two odd integers is an odd integer.
Answer:
a. The sum of an odd and an even integer is odd: 3 + 2 = 5
b. The sum of two odd integers is an even integer: 3 + 5 = 8
c. The square of an odd integer is an odd integer: 3² = 9
d. . The product of two odd integers is an odd integer.: 3 x 5 = 15
Step-by-step explanation:
Proving the following statements using a direct proof;
a. The sum of an odd and an even integer is odd:
let the odd integer = 3
let the even integer = 2
3 + 2 = 5
5 is an odd integer, proved
b. The sum of two odd integers is an even integer.
let the first odd integer = 3
let the second odd integer = 5
3 + 5 = 8
8 is an even integer, proved
c. The square of an odd integer is an odd integer. .
let the odd integer = 3
3² = 9
9 is an odd integer, proved
d. The product of two odd integers is an odd integer.
let the first odd integer = 3
let the second odd integer = 5
3 x 5 = 15
15 is an odd integer, proved
Answer:
a. The sum of an odd and an even integer is odd: 3 + 2 = 5
b. The sum of two odd integers is an even integer: 3 + 5 = 8
c. The square of an odd integer is an odd integer: 3² = 9
d. . The product of two odd integers is an odd integer.: 3 x 5 = 15
Step-by-step explanation:
Proving the following statements using a direct proof;
a. The sum of an odd and an even integer is odd:
let the odd integer = 3
let the even integer = 2
3 + 2 = 5
5 is an odd integer, proved
b. The sum of two odd integers is an even integer.
let the first odd integer = 3
let the second odd integer = 5
3 + 5 = 8
8 is an even integer, proved
c. The square of an odd integer is an odd integer. .
let the odd integer = 3
3² = 9
9 is an odd integer, proved
d. The product of two odd integers is an odd integer.
let the first odd integer = 3
let the second odd integer = 5
3 x 5 = 15
15 is an odd integer, proved
You want to test whether salaries for male doctors are different from salaries for female doctors, using a random sample of 100 male and 100 female doctors. The statistical test you should use is
Complete Question
You want to test whether salaries for male doctors are different from salaries for female doctors, using a random sample of 100 male and 100 female doctors. The statistical test you should use is
a. t-Test: Two-Sample Assuming Equal Variances
b. t-Test: Two-Sample Assuming Unequal Variances
c. z-Test: Two Sample for Means
d. t-Test: Paired Two Sample for Means
Answer:
The correct option is C
Step-by-step explanation:
From the question we can see that
The salaries for male doctors is independent of The salaries for female doctors
Hence the samples obtained from both populations are independent
Also both of the random samples are sufficiently large.
So given that the samples are independent and sufficiently large then the best statistical test to use is z-Test: Two Sample for Means
HELP ME PLS!! Here’s a picture that i uploaded for the question.
there is no picture :(
Pls help. .................................
A is the correct answer
1,265.19 is what percent of 699
Answer:
1,265.19 is 181% of 699Step-by-step explanation:
Calculate the ratio of 1265.19 and 699, then convert it to a percent (multiply by 100%):
[tex]\dfrac{1,265.19}{699}=1.81\\\\1.81\cdot100\%=181\%[/tex]
I'm still figure is a rectangular prism identity which one of the line segment in the given figure is perpendicular to HG
Answer: so, its pretty simple so just figure it it so, its pretty simple so just figure it it
Step-by-step explanation: so, its pretty simple so just figure it it so, its pretty simple so just figure it it!
Ella played a math game and had the five cards shown.
7 0 -4 -10
Her score was the sum of the numbers on these five cards. What was Ella’s score?
3
⊝
23
−5
⊝
Not here
4Step-by-step explanation:
A scanner can scan 20 pages and 120 seconds. How many pages can scan in 4 minutes?
Answer:
40 pages
Step-by-step explanation:
120 or 2 min x 2 = 4
20 x 2 = 40
Sorry I couldn't explain more, but I hope this helps!
Answer:
40 pages
Step-by-step explanation:
convert 4 mins -> 240 secs
then cross multiply 20/120 and x/240 (x represents the pages scanned)
u then get 120x=4800
simplify(divide)-> x=40
What is the perimeter, in units, of polygon EFGHJK?
Answer:
38 units.
Step-by-step explanation:
Perimeter of the polygon EFGHJK = 38 unit
What is perimeter?Perimeter of a shape is defined as the total length of its boundary. The perimeter of a shape is determined by adding the length of all the sides and edges enclosing the shape. It is measured in linear units of measurement like centimeters, meters, inches, or feet.
Given,
In graph of polygon EFGHJK
EF = 2 unit
FG = 10 unit
GH = 9 unit
HJ = 8 unit
JK = 7 unit
KE = 2 unit
Perimeter of EFGHJK = EF + FG + GH + HJ + JK + KE
= 2 + 10 + 9 + 8 + 7 + 2
= 38 unit
Hence, 38 unit is the measure of perimeter of polygon EFGHJK.
Learn more about perimeter here:
https://brainly.com/question/6465134
#SPJ2
If x^(y)=5^(x-y) then dy/dx=
First, rewrite
[tex]x^y=e^{\ln x^y}=e^{y\ln x}[/tex]
[tex]5^{x-y}=e^{\ln5^{x-y}} = e^{\ln(5)(x-y)}[/tex]
Now, differentiate both sides using the chain rule:
[tex]\dfrac{\mathrm d\left(e^{y\ln x}\right)}{\mathrm dx}=\dfrac{\mathrm d\left(e^{\ln(5)(x-y)}\right)}{\mathrm dx}[/tex]
[tex]e^{y\ln x}\dfrac{\mathrm d(y\ln x)}{\mathrm dx}=e^{\ln(5)(x-y)}\dfrac{\mathrm d(\ln(5)(x-y))}{\mathrm dx}[/tex]
[tex]x^y\left(\dfrac{\mathrm dy}{\mathrm dx}\ln x+y\dfrac{\mathrm d(\ln x)}{\mathrm dx}\right)=\ln(5)5^{x-y}\left(\dfrac{\mathrm d(x)}{\mathrm dx}-\dfrac{\mathrm dy}{\mathrm dx}\right)[/tex]
[tex]x^y\left(\ln x\dfrac{\mathrm dy}{\mathrm dx}+\dfrac yx\right)=\ln(5)5^{x-y}\left(1-\dfrac{\mathrm dy}{\mathrm dx}\right)[/tex]
[tex]\left(x^y\ln x+\ln(5)5^{x-y}\right)\dfrac{\mathrm dy}{\mathrm dx}=\ln(5)5^{x-y}-yx^{y-1}[/tex]
[tex]\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{\ln(5)5^{x-y}-yx^{y-1}}{x^y\ln x+\ln(5)5^{x-y}}[/tex]
Help meeee pleaseeeeee
Answer:
B.
Step-by-step explanation:
I think its B because the Y comes before the slope
14. Quincy delivered 240
newspapers yesterday and 180
newspapers today.
Answer:
What is the question?
Step-by-step explanation:
PLEASE HELP ME ASAP!!!! I WILL GOVE BRAINLIEST!!!
Answer:
Step-by-step explanation:
its the last one
What is the circumference of a circle that has a radius of 7 m?
Step-by-step explanation:
you you can use two formulas here either pi d or 2 pi r so when you use pie d which change the radius to diameter by multiplying by two so in this case we will multiply 7 by 2 to get 14 then use the formula so is 22/7 * 14 to get 44
3. Critique Reasoning Each side of a square patio
is 10.5 feet. The patio is made up of 1.5-foot by
1.5-foot square stones. What is the number of
stones in the patio? Look at the solution below.
Does it include all the steps needed to solve the
problem? Explain.
10.5 X 10.5 = 110.25
110.25 = 1.5 = 73.5
Answer:
Yes
Step-by-step explanation:
PLEASE HELP ME!
I would really appreciate it.
Answer:
Step-by-step explanation:
It's D the reasoning here is just look at the points at the graph and their x y coordinate
Need help Fast Inputs & outputs : equation
Answer:
-3
Step-by-step explanation:
-9t-4=23
-9t=27
t=-3
PLZ HELP FAST
A cruise ship is currently 15 kilometers away from its port and is traveling away from the port at 15
kilometers per hour. The function y = 15x + 15 relates the number of kilometers y the ship will be from
its port x hours from now. How far will the cruise ship be from its port 3 hours from now?
The cruise ship will be______ kilometers away from port in 3 hours.
Answer:
45
Step-by-step explanation:
Answer: 60 kilometers
Step-by-step explanation:
Plug in your hours:
y = 15(3) + 15
y = 45 + 15
y = 60 kilometers
Hope this helps!
what is 37737332732.83838-388733883.6 equal?
Answer:
4838388.34?
Step-by-step explanation:
helpppppppppppppppppppp
This question only for JungKookLuver and JungKookLuver.... is this right...
Answer: Yes it is right.
Step-by-step explanation: Have a blessed day!
Answer: Yes, it’s correct!
Step-by-step explanation: Have A Great Day Bro! :)
You are a business owner and you want to know if you have made a profit
for the month. You are given the following information:
1. The monthly salary of your employees is Php 10000.00 each and you
have 5 employees.
2. The store rent is Php 40,000.
3. Utilities expenses amount to Php 20,000.00
4. 200 pieces of your product were sold at Php 1000.00 each.
Questions: Did your business make a profit for the month? How much?
Why?
Pleae help PLEASE
Answer: Yes the business made a profit for the month. They made $90,000 net profit. They made a profit of $90,000 after all the taxes were deducted.
Step-by-step explanation: 200 times $1000 = $200,000. $200,000 - $50,000 = $150,000. $150,000 - $40,000 = $110,000. $110,000 - $20,000 = $90,000
What is the solution to the equation 7,- 5* ++5
-
16
ff - 25?
h = 11
3
h = 5
h = 7
6
21
2
Answer:
the answer to the problem is h=7
In Ms. Renault's classroom, 2/5 of the students play sudoku. Of the student who play sudoku, 5/6 also play checkers. If there are 30 students in her class, how many play sudoku and checkers?
Answer:
10 students play sudoku and checkers
Step-by-step explanation:
First find the number of students that play sudoku
2/5 * 30
12
of those 12 students, 5/6 play checkers
12 * 5/6 = 10
10 students play sudoku and checkers
please help me with this i need help with it+ send the answers not the explnation please
Answer: the picture is blocked
Step-by-step explanation:
I need help asap
Solve for k
1/3(k-9)=1/3k+1/3
Thank you :)
Answer:
solve 1/3 (k - 9) = 1/3 k + 1/3 for k = (no solutions exist)
Step-by-step explanation:
divide 72 in ratio 3:4:5
The number who needs to be separated into a ratio = 72
Total number of parts = 3 + 4 + 5
= 12 parts
Each part = 72 ÷ 12
= 6
Then 3 parts = 3 × 6 = 18
4 parts = 4 × 6 = 24
5 parts = 5 × 6 = 30
Then , the ratio will be , 18 : 24 : 30
Therefore , 72 in the ratio 3:4:5 will be = 18 : 24 : 30 .
Which is the slope of the line that passes through the points (4, 2) and
(6, 7)?
Answer:
2.5
Step-by-step explanation:
Use the formula y2-y1 divided by x2-x1
Plug in the values: (7-2)/(6-4)
5/2
=2.5