Answers
Answer:
x = 12
Step-by-step explanation:
[tex]\sqrt{3x}[/tex] + 10 = x + 4
[tex]\sqrt{3x}[/tex] = x - 6
( [tex]\sqrt{3x}[/tex] )² = ( x - 6 )²
3x = x² - 12x + 36
x² - 15x + 36 = 0
(x - 3)(x - 12) = 0
[tex]x_{1}[/tex] = 3
[tex]x_{2}[/tex] = 12
Check the answer:
[tex]\sqrt{3*3}[/tex] + 10 ≠ 3 + 4
13 ≠ 7 ⇒ 3 is not the root of original equation (strange root)
[tex]\sqrt{3*12}[/tex] + 10 = 12 + 4
16 = 16 ⇒ 12 is the root of original equation
Related Questions
Pls help !!! I've already failed it twice this is my last try please help there's other questions on my account.
Answers
Answer:
A, C
Step-by-step explanation:
Maybe A and C because its reflecting in the opposite direction which is 180
Please I will give brainylest if the answer is correct
Answers
Answer:
a^n +3
Step-by-step explanation:
simpify: a^na^3:\quad a^{n+3}
a^{n+3}
The expression (x3)(x-15) is equivalent to xn. What is the
value of n?
Answers
Answer:
-45 is xn
The x=3 and x=-15 multiply them together which is the answer to xn
Hey everyone I need help on the questions please!:)
Answers
Answer:
a. 1/2
b. 1 hair cut
c. 2.5
Step-by-step explanation:
4/8 divde by 4 to simplify and that gets you 1/2
8/4 is 2 so he does one hair cut every two hours
so you know how many he can do in 2 hours so add it up. It’s going to be 2 people in four hours so it will be half a hair cut in 5 hours
(a) (4,4) is a point on a locus whose equation is y2 = kx. Show that (16,8) is another point on the locus.
(b) (2,3) is a point on a locus whose equation is 5x +by= 16. Show that (0,8) is another point of the locus
Answers
Step-by-step explanation:
plug the coordinate points into the equations and solve for the remaining variable.
b) (2,3) - 5(2) + b(3) = 16
10 + 3b = 16. 3b= 6. b = 2
(0,8) - 5(0) + 2(8) = 16. 0+ 16 = 16. ☆
a) (4,4) assume based on results you meant y squared. (y^2)
(4)^2 = 4k. 16 = 4k. k = 4
(8)^2 = 4(16). 64 = 64. ☆
Answer:
Please check the explanation.
Step-by-step explanation:
a)
Given
(4,4) is a point on a locus whose equation is y²=kx
Putting (4, 4) in y²=kx
(4)² = k(4)
16 = 4k
k = 16/4
k = 4
Checking the point (16, 8) on the locus
y²=kx
Putting (16, 8) and k =4 in y²=kx
y²=kx
(4)² = 4×4
16 = 16
L.H.S = R.H.S
Therefore, (16, 8) is another point on the locus.
b)
Given
(2, 3) is a point on a locus whose equation is 5x +by= 16
Putting (2, 3) in 5x +by= 16
5x+by=16
5(2)+b(3)=16
10+3b=16
3b=6
b=6/3
b=2
Putting (0, 8) and b=2 in 5x +by= 16
5x +by= 16
5(0)+2(8)=16
0+16=16
16=16
L.H.S = R.H.S
Therefore, (0, 8) is another point on the locus.
Dena has 6.25 inches of blue ribbon, 0.375 foot of orange ribbon, and 0.5 yard of green ribbon. How many inches of ribbon does Dena have altogether?
Show or explain your work through either decimal or fractional calculation.
Answers
Answer:
28.75inStep-by-step explanation:
We are expected to convert all units to inches in this problem
Step one:
given data
blue ribbon=6.25 inches
orange ribbon=0.375 foot
green ribbon=0.5 yard
Step one:
convert orange ribbon=0.375 foot to inches
1 ft = 12 in
0.375ft=xin
cross multiply
x=12*0.375
x=4.5in
orange ribbon= 4.5in
convert green ribbon yd to inches
1 yd = 36 in
0.5 yd=xin
cross multiply
x=36*0.5
x=18in
green ribbon= 36in
total lenght in inches =6.25+4.5+18
=28.75in
Question 10
Evaluate 122 – 3 [4 () – (18)].
Answers
Answer:
here is the answer -(12)/(-3)
Step-by-step explanation:
PLEASE MARK BRAINILIEST!
8
The statement “x > 4 and 2x – 4< 6" is true when x is
equal to
A1
B 10
C 5
D 4
Answers
Answer:
the new year will have the other
Step-by-step explanation:
u3ueufjfjtjfjfj was calling for an accident that killed
Number 2.
A homeowner is wanting to pave his
drive way. He was quoted for every 240
bricks it would cost $30. Find the unit
rate.
Answers
If 25⋅26=n, then which division equation is also true?
n÷26=25
26÷25=n
25÷n=26
25÷26=n
Answers
9514 1404 393
Answer:
n÷26=25
Step-by-step explanation:
Starting with the equation ...
25·26 = n
you can divide both sides of it by 26 to get ...
25 = n ÷ 26 . . . . matches choice A
if angle ABC=2x and angle CBD=4x and they are a linear pair, solve for x
Answers
->x=30
What does 24 square root using perfect squares look like?
Answers
Answer:
4.899
Step-by-step explanation:
4.899×4.899=24
I know cause I googled :)
The 10th power of t
Answers
Answer:
t¹⁰
Step-by-step explanation:
The 10th power of t:
t¹⁰
asap I have 3 minutes
Answers
What is 6^4 x 6 1/4????
Answers
Answer:
8100
Step-by-step explanation:
Are these answers right or some wrong? If some wrong plz answer them correct thanks!
Answers
You are wrong.
1, 2, 3 and 4 are correct.
5. 75%
6 is also correct
7. 100%
8. 50%
CORRECT ANSWER GETS BRAINLIEST!!!
The least-squares regression equation
y = 120 + 40x can be used to predict the cost of renting a backhoe for x hours. Suppose it costs $325 to rent a backhoe for 5 hours.
Calculate the residual for renting the backhoe for 5 hours, to the nearest hour.
The residual is _____
Answers
Answer:
5
Step-by-step explanation:
just did on edge
The residuals is $5
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given, The least-squares regression equation
y = 120 + 40x
This equation can be used to predict the cost of renting a backhoe for x hours
If it costs $325 to rent a backhoe for 5 hours.
We need to Calculate the residual for renting the backhoe for 5 hours,
Plug 5 in place of x in equation
y=120+40(5)
y=120+200
y=320
Since the The observed value is $325.
To find residual for renting the backhoe for 5 hours
We have to separate 320 from 325
325-320=5
Hence the residual is 5.
To learn more on Equation:
https://brainly.com/question/10413253
#SPJ2
Which of the following numbers is divisible by both 5 and 10
Answers
Answer:
5
Step-by-step explanation:
Answer:
1 or 5
Step-by-step explanation:
cuz 1 divided by 5 =5 and 10 divided by with 1 =10
but 5 divided by 1 = 5 and 10 divided by 5 = 2
Alicia is setting up a volleyball net and needs to support the posts with a rope. The volleyball post is 8 feet tall and Alicia placed a stake 6 feet from the
base of the post. The rope needs to reach from the top of the post to the stake. How long does the rope need to be?
Answers
Answer: answer is 10
Step-by-step explanation:
8 x 8 = 64
6 x 6 = 36
64 + 36 = 100 cm2
100 cm2 = 10
WILL GIVE BRAINLIEST
Answers
We Know that in geometry the Cos/Sin = Cotangent. And the abbreviation for this is cotø
There are 2 blue, 3 green and 10 red marbles in a bag. What is the Probability of pulling a red marble, replacing it, then pulling a blue marble?
Answers
Answer:
i think its this.. ._.
Step-by-step explanation:
if red is 10, and pulling a blue is 2, there is a 10/15 chace you will get a red, but a 2 out of 15 chance you will get a blue
There were 42 mangoes in each crate. 12 such crates of mangoes were delivere to a factory. 4 mangoes were rotten and had to be thrown away. The remaining mangoes were packed into boxes of 10 mangoes each. How many mangoes were left after the 4 rotten ones were thrown away? * Your answer
Answers
Answer: 50
Step-by-step explanation: 42x12=504. 504-4=500. 500/10=50.
Answer:
Total Mangoes = 50
Rotten = 46
Step-by-step explanation:
50 divided by 10 = 5.
50 minus 4 is 46.
Math Glass Worksheet (A lot of points)
Can someone tell me what to put in the rest of these columns
Answers
Answer:
You can chose 3 in 5 :o
Step-by-step explanation:
state the value of digit 2 in the number 1326g , in base ten
Answers
Answer:
20
Step-by-step explanation:
2*10
= 20
PLS GIVE BRAINLIEST
Jay is 3 years less than 4 times Nelly’s age ( n ). Which expression represents Jay’s age?
Answers
Answer:
9
Step-by-step explanation: 3x4= 12 -3=9
Answer:
what's nelly's age
Step-by-step explanation:
4x divided by 3?
Pls help with this asap
Answers
Answer:
Step-by-step explanation:
Hope this helps
how do you solve
x-3y=-5
x+3y=1
Answers
Answer:
I got you fam
Step-by-step explanation:
First One:
x -3y = -5
x = -5 + 3y
Or
x -3y = -5
-3y = -5 -x
y = 5/3 + x/3
Second one:
x +3y = 1
x = 1 - 3y
Or
x + 3y = 1
3y = 1 -x
y = 1/3 - x/3
x - 3y = -5
x + 3y = 1
Subtract both sides
-6y = -6, y = 1
x - 3(1)= -5
x - 3 = -5, x = -2
Final answer: x = -2, y = 1
What is the area of the triangle?
10 km
10 km
square kilometers
Answers
use the picture to create a ratio between the football and baseball
Answers
Answer:
there are no pics
ya I can't see one
Answer:
3,6 1 to 2
Step-by-step explanation:
WILL GIVE BRAINLIEST!!!!!!1
Consider this system:
3x + 1/2y = 3
6x - y = 2
Which of the following operations would eliminate the y-terms if the two equations were added together afterward?
A. Multiply the first equation by -2.
B. Multiply the first equation by 2.
C. Multiply the second equation by -2.
D. Multiply the second equation by 2.
Answers
Answer:
B. Multiply the first equation by 2
hope this helps tell me if you need more :)
Multiply the first equation by 2 then the variable y will be eliminated. Then the correct option is B.
What is the linear system?A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.
Consider this system:
3x + 1/2y = 3 ...1
6x - y = 2 ...2
The operations would eliminate the y-terms if the two equations were added together afterward will be
Multiply the first equation by 2. Then we have
6x + y = 6
6x - y = 2
Add the above equations, then we have
12x = 8
y is eliminated.
More about the linear system link is given below.
https://brainly.com/question/20379472
#SPJ2