Which property of addition is shown in the equation below?
a + bi + 0 + 0i = a + bi
commutative property
inverse property
identity property
associative property
Answer:
c. Identity property
Step-by-step explanation:
edg 2020
Identity property is used in the equation a+bi+0+0i=a+bi.
What is identity property?
The identity property of addition says that the sum of 0 and any number is that number only.
How to check property?
We have been given the following equation
a+bi+0+0i=a+bi
when we multiply it with 0 we get 0 and the equation becomes
a+bi=a+bi
It shows the identity property of addition.
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Which one don’t lie!!!
Answer:
A
Step-by-step explanation:
m=y2-y1/x2-x1
4-2=2
6-3=3
2/3
hope this helps =3
Answer:
The answer is 2/3
Step-by-step explanation:
Which linear equation has a slope of 3 and a y-intercept of –2?
y = 3x + 2
y = 3x – 2
y = –2x + 3
y = –2x – 3
Answer:
y =3x-2
Step-by-step explanation:
What is the value of x?
Answer:
10
Step-by-step explanation:
5x - 17 = 3x + 3 (vertically opposite angles)
5x - 3x = 3 + 17
2x = 20
x = 20/2
x = 10
hope it helps you!
. If m∠1 = 50°, find the following: a. m∠2 = ? b. m∠3 = ? c. m∠4 =
Answer: is there a graph
Step-by-step explanation:
PLZ help meeeee.... srry if it's not clear
The hypotenuse of an isosceles right triangle has length 4. How long is each leg?
Answer:
you know 2 sides are the same on an a silly triangle.. I mean isosceles.. so the hypotenuse will be longer but the other two sides are the same
use [tex]C^{2}[/tex] = [tex]A^{2}[/tex] + [tex]B^{2}[/tex] ( Pythagoras theorem )
Step-by-step explanation:
[tex]4^{2}[/tex] = [tex]A^{2}[/tex] +[tex]A^{2}[/tex] ( b/c the side are the same length the can both be called A )
16 = 2[tex]A^{2}[/tex]
8 = [tex]A^{2}[/tex]
[tex]\sqrt{8}[/tex] = A
not a whole number but.. it's still a good answer square root of 8 is about 2.8284 on my calculator
Bill bought 5 apples mary bought 2 apples and spent 1.86 for strawberrie. if the spent equal amounts write and solve the equation
Step-by-step explanation:
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The cost of an apple was 0.62 cents.
What is an equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
An equation is a mathematical statement that shows that two mathematical expressions are equal.
In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
An equation says that two things are equal.
For example, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.
Given that, Bill bought 5 apples Mary bought 2 apples and spent 1.86 for strawberries. both the spent equal amounts, we need to write and solve the equation for the price of apples,
Let the cost of 1 apple = A
Bill bought = 5A apples
Mary bought=2A + 1.86
5A = 2A + 1.86
3A = 1.86
A = 1.86/3
A = 0.62 cents
Hence, the cost of an apple was 0.62 cents.
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1 point
3. The value of gold is always changing. Last year, Max had a 0.2-ounce
piece of gold valued at $148.96. This year he had a 0.24-ounce piece of
gold valued at $222.84.How much had the price of gold per ounce changed
since last year? Record your answer and fill in the bubbles on your answer
document. Be sure to use the correct place value
Your answer
Answer:
the price has practically multiplied by 12 because if the ounce was 2 and now is 24 divide and get 12 hope this helps
Step-by-step explanation:
(AICE MATH) i need help please
Answer:
How can i help?
Step-by-step explanation:
Point S is between points R and T on RT. Use the information to write an equation in terms of x. Then solve the equation and find RS, ST, and RT.
RS = 2x - 8
ST = 3x - 10
RT = 17
RS =
ST=
RT=
Answer:
RS=6
ST=11
Step-by-step explanation:
answer is above
The value of x is 7 and the measure of the line segment RS is 6 units, ST = 11 units, and RT = 11 units
What is a linear equation?It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.
If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.
It is given that:
Point S is between points R and T on RT.
RS = 2x - 8
ST = 3x - 10
RT = 17
From the above information:
RT = RS + ST
17 = 2x - 8 + 3x - 10
17 = 5x - 18
35 = 5x
x = 35/5
x = 7
RS = 2x - 8 = 2(7) - 8 = 6 units
ST = 3x - 10 = 3(7) - 10 = 11 units
RT = 17 units
Thus, the value of x is 7 and the measure of the line segment RS is 6 units, ST = 11 units, and RT = 11 units.
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plz help will award brainliest
Answer:
After 5 hours.
35 bacteria cells.
Step-by-step explanation:
Andy’s population is represented by [tex]B=6x+5.[/tex]
Samantha’s population is represented by [tex]B=2^x+3[/tex]
Where B represents the total population given the number of hours x.
We want to find at what hour will their population be the same. We are told to use graphing technology.
Graphing them, we will get the graphs below.
Graphically, their population will be the same where the two graphs intersect.
So, we can see that they intersect at (5, 35).
Therefore, after 5 hours, the total number of bacteria cells for both experiments will be the same.
And the total number of bacteria at that time will be 35 bacteria cell.
10(6 + 4) ÷ (2³.7)² =
Answer:
25/784
Step-by-step explanation:
What is the value of x in the equation
3x - 4y = 65:
when y=4?
Ox=13 1 / 2
x=21 1 / 3
X =23
O
x=27
Help asappp , What is the slope of a line perpendicular to the line whose equation is
3x + 6y = –18. Fully reduced
Answer:
2
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Given
3x + 6y = - 18 ( subtract 3x from both sides )
6y = - 3x - 18 ( divide all terms by 6 )
y = - [tex]\frac{1}{2}[/tex] x - 3 ← in slope- intercept form
with slope m = - [tex]\frac{1}{2}[/tex]
Given a line with slope m then the slope of a line perpendicular to it is
[tex]m_{perpendicular}[/tex] = - [tex]\frac{1}{m}[/tex] = - [tex]\frac{1}{-\frac{1}{2} }[/tex] = 2
Slope of the line perpendicular to given line 3x + 6y = –18 is 2
What is slope intercept form and relation between slopes of two perpendicular lines ?The slope intercept of a line is given : y = m x+ c
y is y coordinate, x is x coordinate, m is the slope of the line
c is y- intercept of the line
If given that the slope of two lines are m₁ and m₂ then these lines are perpendicular, if the product of their slopes is -1 or m₁ *m₂ = -1
Given line is 3x + 6y = –18
Subtract 3x from both sides
⇒ 3x +6y -3x = -3x-18
⇒ 6y = -3x-18
⇒ y =(-3/6)x -18 /6 = (-1/2) x -3
comparing it with slope intercept , slope = -1/2
let the slope of line perpendicular to given line is m
then m.(-1/2) = -1
⇒ m = 2
∴Slope of the line perpendicular to given line is 2
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what is the mean of this set
0,100,100,100,100
Answer:
80
Step-by-step explanation:
Mean simply means the average. To calculate the average of all these numbers, add them all up together and divide that number by how many numbers you added.
A simple equation you can use is:
[tex]\frac{the sum of the terms}{the number of terms}[/tex]
To calculate the mean of the set : 0,100,100,100,100
= 0 + 100 + 100 + 100 + 100
= 400 / 5
= 80
The mean of the set is 80.
A. artists
B. brushes
C. paintings
D. hours
Answer:hours
Step-by-step explanation:
I dont get this, can anyone help?
Answer:
this is an x y coordinate plane, start with x and then move to y.
What is the slope of the line? (Picture)
Answer:
-1/3
Step-by-step explanation:
its rise over run.
u rise 2, and run 6 and its a negative slope
when you simplify its then -1/3
Answer:
[tex]m = -\frac{1}{3}[/tex]
Step-by-step explanation:
Using the slope formula:
y2 – y1
m = --------------
x2 – x1
Plug in any two points that the line passes through:
In this case, (2, 0) and (–1, 1).
1 – 0
m = --------------
–1 – 2
1
m = --------------
–3
In efforts of improving their orofit margins, a company is considering creating their own manufacturing plant for their product. It had a start-up cost of 25,000 to build the plant. This plant will drop the production cost down to $15 per item. If each item sells for $50, then how many items would it take to get an overall profit of $100,000 for the year?
Answer:
To get an overall profit of $100,000, then 3,571 items is needed to be produced
Step-by-step explanation:
Mathematically;
Profit = Revenue - Production cost
In the question, we are told that the profit we are expecting is $100,000
Let the number of items to be produced for sales be x items
Now let’s look at the production cost ;
The production cost will be number of items for sale * production cost = 15 * x = $15x
Now, we need to add the start-up cost to the production cost to get the total amount spent on production;
Mathematically the total amount would be = $25,000 + $15x
Let’s look at the revenue;
The revenue will be selling price of each item * price of each item;
Mathematically, that would be 50 * x = $50x
So therefore;
50x - (25,000 + 15x) = 100,000
50x -25,000 -15x = 100,000
35x = 100,000 + 25,000
35x = 125,000
x = 125,000/35 = 3571.42 which is approximately 3,571 items
8.h=7
108 18 what is h
Answer:
its 8.7× 108 18
Step-by-step explanation:
ye thats basically it solve it now
The perimeter of the rectangle below is 54 units. Find the value of x
Answer: x=5
Step-by-step explanation:
3x appears two times and so does 2x +2. That created the equation 3x + 3x + 2x + 2 + 2x + 2=54. Combine like terms. You get 10x +4=54. Then you solve. Inverse operation: You subtract 4 from 54. Which is 50, then divide by 10. X=5
The value of the x for the given rectangle is 5 units.
What is the perimeter of a rectangle?The whole distance that a rectangle's boundaries, or its sides, the cover is known as its perimeter. Given that a rectangle has four sides, the perimeter of the rectangle will be equal to the sum of its four sides.
Given, The perimeter of the rectangle below is 54 units.
Also given the length of the rectangle = 3x
and the width of rectangle = 2x + 2
Since, Perimeter of rectangle = 2 *( length + width)
Perimeter of rectangle = 2 * (3x + 2x + 2)
Since we have a perimeter
54 = 2 *(5 x + 2)
5x + 2 = 27
5x = 25
x = 5
Therefore, For the given rectangle, the value of x is 5 units.
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(-5,4) and (1,6)
y-6 =? plz help me
Answer:
(-5,4) and (1,6) are cordanites on a graph 1st square is ++ 2nd is +- 3rd is -- and 4th is -+
Step-by-step explanation:
If I work Saturday and Sunday for an entire year making $11.00 an hour for 8 hours in a shift. How much did I earn in that year?
Answer:
$9,152
Step-by-step explanation:
What is 20% of a $30 haircut
Answer:
6
Step-by-step explanation:
30 X 0.2=6
Answer:
Step-by-step explanation:
Bill: $30.00
Tip: $6.00
Total: $36.00
If a number is odd, then it has a remainder of 1 when divided by 2.
Which is the hypothesis of the conditional?
Answer:
The hypothesis of the conditional is "A number is odd".
Step-by-step explanation:
The statement can be represented by the following proposition:
[tex]P \implies Q[/tex] (Eq. 1)
Where:
[tex]P[/tex] is the hypothesis of the proposition.
[tex]Q[/tex] is the conclusion of the proposition.
[tex]\implies[/tex] - Binary connector, which means "If...., then...."
In this case, we present what each propostion represents:
P = A number is odd.
Q = It has a remainder of 1 when divided by 2.
In consequence, the hypothesis of the conditional is "A number is odd".
Which kind of expression is 400(0.5)?
(Help me with this test question) Lines l and m are intersected by transversal t and l || m. Lines l and m are vertical with l to the left of m. Transversal t intersects them both slanting down and right. The angles formed above t with l and m from left to right are angles 1, 3, 5, and 7. The angles formed below t with l and m from left to right are angles 2, 4, 6, and 8. Select all the angles that are supplementary to ∠1. Group of answer choices ∠3 ∠4 ∠6 ∠5 ∠7 ∠8
Answer:
∠6 and ∠7
Step-by-step explanation:
To be complementary, they both in total have to sum 180°, and that mean that they have to form a com pleat and straight line. ;)
The supplementary angles of angle 1 are angles 2 and 3.
Two Angles are Supplementary when they add up to 180 degrees.From given figure,
It is observed that sum of angles 1 and 2 is equal to 180 degrees.The sum of angles 1 and 3 is equals to 180 degrees.[tex]\angle1 +\angle2=180\\\\\angle1 +\angle3=180\\[/tex]
Thus , the supplementary angles of angle 1 are angles 2 and 3.
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I will give brainliest to whoever answers this!
Which graph below shows the solution set for the inequality b ≥ 5?
pls help meeeeeeeee
Answer: we can’t see graphs but I can help you if you show me them
Step-by-step explanation: