Answer: Not sure if the second one is times or just the variable x, i assume its the variable x. Answer:
x=5
Step-by-step explanation:
Let's solve your equation step-by-step.
3x−12=−4x+23
Step 1: Add 4x to both sides.
3x−12+4x=−4x+23+4x
7x−12=23
Step 2: Add 12 to both sides.
7x−12+12=23+12
7x=35
Step 3: Divide both sides by 7.
7x
7
=
35
7
x=5
Answer:
x=5
please help.............
Answer:
Step-by-step explanation:
Multiply the y in the binomial by every term in the trinomial. Repeat this for the 3, and sum them all up
[tex](y+3)(y^2+8y-2)\\y^3+8y^2-2y+3y^2+24y-6\\y^3+11y^2+22y-6[/tex]
Answer:
No
Step-by-step explanation:
Why should anyone help you when all you do is steal points
NEED HELP PLEASE I NEED TO GET THIS ANSWER RIGHT!!! AND I NEED TO KNOW HOW YOU DID IT.
Answer:24cm2 is your answer Hope this helped you out.
Step-by-step explanation:L=3
W=2 and H=4 So ignore the letters. Those do not matter they are just trying to throw you off. Focus on the numbers. You need to multiply them. 3x4=12 12x2=24.
Pls help find x in both
Answer:
Step-by-step explanation:
In similar triangles, corresponding sides are in same ratio
[tex]\frac{28}{24} = \frac{3x-9}{x +8}\\\\\frac{7}{6}=\frac{3x-9}{x+8}\\[/tex]
Cross multiply,
7*(x + 8) = 6*(3x -9 )
7x + 7*8 = 6*3x - 6*9
7x + 56 = 18x - 54
56 = 18x - 7x -54
56 = 11x - 54
11x - 54 = 56
11x = 56 +54
11x = 110
x = 110 /11
x = 10
PR = 3x -9
= 30 - 9
PR = 21
A certain stock opens with a price of
$0.23. Over the first few days the stock
value increases at an average rate of 70%
per day. If this trend continues, how much
will the stock be worth in 14 days?
Answer:$387.27
Step-by-step explanation:
Hope this helps.
The half-life of carbon-14 is 5,730 years. Suppose a fossil is found with 20 percent as much of its carbon-14 as compared to a living sample. How old is the fossil
Answer: The sample is 13414 years old.
Step-by-step explanation:
Expression for rate law for first order kinetics is given by:
[tex]t=\frac{2.303}{k}\log\frac{a}{a-x}[/tex]
where,
k = rate constant
t = age of sample
a = let initial amount of the reactant= 100
a - x = amount left after decay process= [tex]\frac{20}{100}\times 100=20[/tex]
a) for completion of half life:
Half life is the amount of time taken by a radioactive material to decay to half of its original value.
[tex]t_{\frac{1}{2}}=\frac{0.693}{k}[/tex]
[tex]k=\frac{0.693}{5730}=0.00012years^{-1}[/tex]
b) for completion of 20% of reaction
[tex]t=\frac{2.303}{0.00012}\log\frac{100}{20}[/tex]
[tex]t=13414years[/tex]
The sample is 13414 years old.
Answer: 13,307 years
Step-by-step explanation: i got it right on the quiz/asignment
anyone know the answer?
Answer:
C. 3x + 5
Step-by-step explanation:
Go to m a t h w a y . c o m (with no spaces, wont let me post without) trust me, this will save u in math
Help me plssssss I need help
SUPER DUPER PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ HELP
For each value of x, determine whether it is a solution to 5x>/40.
8: yes or no
11: yes or no
4: yes or no
10: yes or no
Answer:
no
yes
no
yes
Step-by-step explanation:
Write the equation of the line that passes through the point (4,-2) and has a slope of
-1/2
y = -1/2x + 4
y = -1/2x - 4
y = -1/2x
y = -1/2x + 3
Answer:
y=-1/2x
Step-by-step explanation:
y-(-2)=-1/2(x-4)
y+2=-1/2x+2
y=-1/2x
The equation of a line is written as y = Mx + b where m is the slope and b is the y intercept.
Replace y and x with the given point and m with the given slope to solve for b:
-2 = -1/2(4) + b
Simplify:
-2 = -2 + b
Add 2 to both sides:
B =0
The equation becomes: y = -1/2x
Solve the following inequality
I need help with only B pls
Answer:
The population is increasing
Step-by-step explanation:
You can tell that function is increasing from the equation because the rate of change is [tex]\frac{5}{4} = 1.25[/tex]
Since this value is greater than [tex]1[/tex] it indicates that the population is being increased.
plz mark me brainliest. :)
Quadrilateral A has side lengths 6, 9, 9, and 12. Quadrilateral B is a scaled copy of Quadrilateral A, with its shortest side of length 2. What is the scale factor from Quadrilateral A to Quadrilateral B? (write your answer as a fraction) Find all the corresponding side lengths of quadrilateral B. The side length of 6 in A corresponds to a side length of 2 in B. The side length of 9 in A corresponds to a side length of in B. The side length of 9 in A corresponds to a side length of in B. The side length of 12 in A corresponds to a side length of in B. What is the perimeter of Quadrilateral B? The perimeter of Quadrilateral B is units.
Answer:
The answer is below
Step-by-step explanation:
Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, translation, rotation and dilation.
Dilation is the increase or decrease in size of a figure. If a figure with point A(x, y) is dilated by a scale factor of k, the new location is at A'(kx, ky). If k > 1, it is an enlargement and if k < 1, it is a reduction.
a) The scale factor from Quadrilateral A to Quadrilateral B = smallest side length of side B / smallest side length of side A = 2 / 6 = 1/3
Scale factor = 1/4= 1 / 3
The side length of 6 in A corresponds to a side length of 2 in B
Side length of B that corresponds with side length of 9 in A = scale factor * 9 = 1/3 * 9 = 3
The side length of 9 in A corresponds to a side length of 3 in B
Side length of B that corresponds with side length of 12 in A = scale factor * 9 = 1/3 * 12 = 4
The side length of 12 in A corresponds to a side length of 4 in B.
c) perimeter of Quadrilateral B = sum of side lengths of quadrilateral B = 2 + 3 + 3 + 4 = 12 units
Create a polynomial that has 10 roots.
Answer:
(x – 3)(x + 5)(x + ½) = (x2 + 2x – 15)(x + ½) = x3 + 2.5x2 – 14x – 7.5
The diameter of a circle measures 22 yd. What is the circumference of the circle?
Use 3.14 for , and do not round your answer. Be sure to include the correct unit in your answer.
Answer:
69.08 yd
Step-by-step explanation:
Which function of x has the least value for the y-intercept?
can somebody help me ?
Answer:
Step-by-step explanation:
Basically find the slope first.
(6,1)(9,5)
5-1/9-6
m=4/3
y=mx+b
1=4/3(6)+b
b=-7
y=4/3x-7
please help asap!!! ive done most of it
Answer:
what type of answer are you looking for exactly
Step-by-step explanation:
Annie has 4 1/2 feet of rope what is the greatest number of 3/4 foot pieces that annie can cut from the rope
Answer:
6
Step-by-step explanation:
4 1/2 divided by 3/4 is 6. so 6 pieces
The greatest number of 3/4 foot pieces that Annie can cut from the rope
is 6.
What is a fraction?A fraction is written in the form of p/q, where q ≠ 0.
Fractions are of two types they are proper fractions in which the numerator is smaller than the denominator and improper fractions where the numerator is greater than the denominator.
Given, Annie has 4 1/2 feet of rope.
Therefore, The greatest number of 3/4 foot pieces Annie can cut can be obtained by dividing the length of the total rope by the length of each piece which is,
= (4 1/2)/(3/4).
= (9/2)×(4/3).
= 36/6.
= 6.
So, 6 pieces are possible.
learn more about fractions here :
https://brainly.com/question/10354322
#SPJ2
It takes a total of 3 hours to wash every window on a building. There are 30 windows. How many minutes does it take to wash just one window? (4 points)
O 6 minutes
O 60 minutes
180 minutes
O 5,400 minutes
Answer:
A. 6 minutes
Step-by-step explanation:
6 minutes is 1/10 of an hour.
60 minutes is 1 hour.
5,400 minutes is 90 hours.
3 hours is 180 minutes. You can solve this as a proportion:
[tex]\frac{180}{30} =\frac{x}{1}[/tex]
Cross multiply to get 30x = 180. x = 6.
Hope it helps!
Which expression is equivalent to 10n plus 81-9?
Answer:
10n+72
Step-by-step explanation:
10n+81-9
10n+72
3. QRY ≅ JLS Write another valid congruency statement
Congruent triangles have equal corresponding sides lengths and angles
Another valid congruency statement is Triangle RYQ ≅ Triangle LSJ
How to determine the congruency statementThe congruency statement is given as:
Triangle QRY ≅ Triangle JLS
The above means that triangles QRY and JLS are congruent,
So we have the following congruent points
Points Q and J
Points R and L
Points Y and S
So, another valid congruency statement is Triangle RYQ ≅ Triangle LSJ
Read more about congruent triangles at:
https://brainly.com/question/1675117
(a-4) (6a²+ 10a-3) simplify.
Answer: 6a³-14a²-43a+12
Step-by-step explanation:
Explanation is in picture.
3 divided by 1/5????
Answer:
15
Step-by-step explanation:
It helps to think that there are 15 1/5's in the number 3. Hope that helps!
Each supply bin has 4 bottles of glue and 3 pairs of scissors. What is the ratio of total supplies to bottles of glue?
Answer:
7 : 4
Step-by-step explanation:
The diameter of the following circle is 12 cm. What is the Circumference?
SOMEONE PLEASE HELPP ASAP
14.8
calculator is fun to use
Select the correct operator for the following exponential expression.
2.510 ?0.420
A. >
B. <
C. =
Answer:
A: >
Step-by-step explanation:
I believe A because if you look at the 2 in the first first number or whatever its higher then the 0 in 0.420 And plus for the 5 in 2.510 its greater then the 4 so thats why i believe A because you always gotta read the question slowly and make sure which one is high or not but it can actually trick you sometimes but if they match its an equal so hope this helps ya^^
What is the lead coefficient in the product of ( -2x -3)(4x + 5) *
-8
-2
4
-15
Will pick brainliest
Answer:
Step-by-step explanation:
(-2x-3)(4x+5) = -(2x+3)(4x+5) = -(8x^2+12x+10x+15) = -8x^2 - 22x - 15
Leading coefficient is -8
Write the equation of the line with slope −1/2 and y-intercept −3.
On the first day of ticket sales the school sold 8 senior citizen tickets and 1 child ticket for a total of $97. The school took in $102 on the second day by selling 6 senior citizen tickets and 4 child tickets. Find the price of a senior citizen ticket and the price of a child ticket.
Answer:
A senior citizen ticket costs $11, and a child ticket costs $9.
Step-by-step explanation:
Let s = price of 1 senior citizen ticket, and let c = price of 1 child ticket.
First day:
8s + c = 97
Second day:
6s + 4c = 102
We have a system of 2 equations in 2 unknowns.
8s + c = 97
6s + 4c = 102
We will use the addition method to solve the system.
Multiply both sides of the first equation by -4. Write the second equation below it and add the equations.
-32s - 4c = -388
(+) 6s + 4c = 102
----------------------------
-26s = -286
Divide both sides by -26.
s = 11
Now substitute s with 11 in the first original equation and solve for c.
8s + c = 97
8(11) + c = 97
88 + c = 97
Subtract 88 from both sides.
c = 9
Answer: A senior citizen ticket costs $11, and a child ticket costs $9.
WILL MARK YOU BRAINLIEST
Answer:
because WXYZ is a rhombus
=> WX // YZ
=> ZWX + WZY = 180⁰
=> WZY = 180⁰ - ZWX = 180⁰ - 77⁰ = 103⁰