Answer:
The answer is Division property of equality
Step-by-step explanation:
Answer:
division property of equality
Step-by-step explanation:
Just took the test on edge
(8-4i)(5i-2)
I need the steps
Answer:
[tex]\huge{\boxed{\sf{ -20i^{2} + 48i - 16}}}[/tex]
Step-by-step explanation:
( 8 - 4i ) ( 5i - 2 )
Use the distributive property to multiply each term of the first binomial by each term of the second binomial.
⇒[tex]8 ( 5i - 2 ) - 4i ( 5i - 2 )[/tex]
⇒[tex]40i - 16 - 20i^{2} + 8i[/tex]
Combine like terms.
Like terms are those which have the same base.
⇒[tex]- 20i^{2} +40i+ 8i - 16[/tex]
⇒[tex]-20i^{2} + 48i - 16[/tex]
Hope I helped!
Best regards!
~TheAnimeGirl
Mirna earned $120 baby-sitting during the spring break. She needs to save $90 for the German Club trip. She wants to spend the remainder of the money shopping. Use s for the amount of money Mirna can spend. Enter your inequality in the most simplified form.
Answer:
$30
Step-by-step explanation:
s + 90 = 120
s = 120 - 90
s = 30
There are commonly used four inequalities:
Less than = <
Greater than = >
Less than and equal = ≤
Greater than and equal = ≥
The most simplified inequality form of the amount of money s to spend on shopping is
s ≤ 30
Where s is the amount to spend.
What is inequality?It shows a relationship between two numbers or two expressions.
There are commonly used four inequalities:
Less than = <
Greater than = >
Less than and equal = ≤
Greater than and equal = ≥
We have,
Mirna earned $120 babysitting during spring break.
She needs to save $90 for the German Club trip.
She wants to spend the remainder of the money shopping.
This means,
The remainder amount,
= 120 - 90
= $30
We can write an inequality as,
s ≤ 120 - 90
s ≤ 30
Where s is the amount of money to spend on shopping.
Thus,
The most simplified inequality form of the amount of money s to spend on shopping is
s ≤ 30
Learn more about inequalities here:
https://brainly.com/question/20383699
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GIVING BRAINLIEST i hate math :(
Answer:
i think somebody invented math just so he could torture people
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
According to the chart, which building took longer to construct: the Taipei 101 or the Petronas Towers?
Answer:
im not 100 percent sure but i think its the taipei 101
Step-by-step explanation:
im brain dead and i dont even trust myself but i passed the quiz so hope this helps
Answer:
C. they took the same amount of time
Step-by-step explanation:
can anyone pls help im struggling with this
Simplify the expression.
7(a + 3b) + 2(a - b)
A.18a + 18b
B.9a + 23b
C.9(2a + 2b)
D.9a + 19b
Answer:
D.9a+19b
Step-by-step explanation:
7(a+3b)+2(a-b)
7*a=7a
7*3b=21b
2*a=2a
2*-b=-2b
7a+21b+2a-2b
7a+2a=9a
21b-2b=19b
Hope this helps:)
The graph below shows the relationship between time and distance traveled by a race
car moving at a constant rate and at its maximum speed. How long did it take the
race car to travel 480 miles?
Race Car Data
Distance (miles)
800
700
600
500
400
300
200
100
0
0.5 1.5 2.5 3.5 4.5 5.5 6.5
Time (hours)
Answer:
t = 4.2 h
Step-by-step explanation:
We can calculate the time taken by the car to travel 400 miles, easily by taking a difference of time in graph between 0 miles and 400 miles value:
t₄₀₀ = 3.5 h - 0 h
t₄₀₀ = 3.5 h
Now, we calculate the constant speed of the car from the following formula:
s = vt
v = s/t
where,
v = velocity of the car = ?
s = distance covered by the car = 400 mi
t = time taken = 3.5 h
Therefore,
v = 400 mi/3.5 h
v = 114.28 mi/h
Now, for this uniform speed the time taken to cover the distance of 480 miles will be:
114.28 mi/h = 480 mi/t
t = (480 mi)/(114.28 mi/h)
t = 4.2 h
The scale on the map is 1 centimeter is equal to 25 kilometers. On the map, the distance the towns along the highway is 4.5 centimeters. Tori's car uses 0.123 liter of gasoline for each kilometer of highway driving. How many liters of gasoline to the nearest liter will Tori need to drive from one of these town to the other?
Answer: About 14 liters of gasoline is required.
Step-by-step explanation:
On the map,
1 centimeter= 25 kilometers.
Distance the towns along the highway is 4.5 centimeters.
Actual distance = 4.5 x 25 km
= 112.5 km
Tori's car uses 0.123 liter of gasoline for each kilometer of highway driving.
Total gasoline required = 0.123 x 112.5 km
= 13.8375 liters≈ 14 liters
hence, about 14 liters of gasoline is required.
If the equality symbol of an equation is changed to an inequality symbol that does not includes equal to,
why is the solution to the equation always not included in the solution to the inequality?
The solution to the equation always not included in the solution to the inequality
What is Inequality?a relationship between two expressions or values that are not equal to each other is called 'inequality.
Two or more expressions with an Equal sign is called as Equation.
Where as a relationship between two expressions or values that are not equal to each other is called 'inequality.
Both inequality and equations are different,
Inequalities and equations are both math statements that compare two values.
Equations use the symbol =
Inequalities will be represented by the symbols <, ≤, >, and ≥.
Hence, the solution to the equation always not included in the solution to the inequality.
To learn more on Inequality click:
https://brainly.com/question/28823603
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Three more than twice the sum of a number and half the number equals 105. Which equation models this relationship?
Answer:
The correct answer is A or 2(x+1/2x)=105
Step-by-step explanation:
3+2(x+1/2x)=105
Help me please!! Thank you!
Answer:
0.25 I think
Step-by-step explanation:
1/4 is 0.25
Find x. Give reasons to justify your solution.
Step-by-step explanation:
5x+x+90=360
6x=360-90
6x=270
x=270/6
x=45
QUESTION 3 of 10: Last year you paid $20 for a yard of silk. This year, it will cost you $25 a yard. What is the percentage increase?
a) 12%
b) 20%
C) 25%
d) 33%
Answer: C) 25%
Step-by-step explanation:
Can someone help me please!!!!!!!!!!!!
a = -1/2
Hope this helps :)
Answer:
a = -1/2
Step-by-step explanation:
-1/4a - 4 = 7/4a - 3
-a/2^2 - 4 = 7/ 2^2 a - 3
(-a) - ( 2^2) 4 / 2^2 = 7a/ 2^2 - 3
a = -1/2
I know this confusing but this how I got the answer.
I hope this helps
Twelve years ago, Jaden was 13. How old is Jaden now? Write an equation.
Answer:
x-12=13
X=12+13
=25
Jaden is 25 yrs old
Answer:
x + 13 = 25
Step-by-step explanation:
Since Jaden was 13 12 years ago, you should know to make the equation x + 13 = 25. How I got 25? Well 13 plus 12 is 25.
3(5-x)<5x-17
x>-4
x<-4
x<4
x>4
Answer: x > 4
.........................
Answer:
X< -4
Step-by-step explanation:
15 - 3x < 5x -17
15 - 17 < - 3x - 5x
-2 < 8x
X= - 4
How do I simplify (-4x^2+2x-3)+(7-2x^2+x)???
Answer: -6x^2 + 3x + 4
Step-by-step explanation:
Please help btw the answer not 40
Answer: x=20
Step-by-step explanation: 40/2=20
-2x^2(3x - 6)
options to choose from
6x^3 + 12x^2
6x^3 - 12x^2
-6x^3 + 12x^2
-6x^3 - 12x^2
ill give brainliest please help :(
Answer:
okay so god,dog,now,won,noon,doom,mood,not,ton,pool
Step-by-step explanation:
Write the opposite of 6
Answer:
-6 or negative six in words
OPPOSITE OF A NUMBER IS ALSO KNOWN AS INVERSE
Answer:
-6
Step-by-step explanation:
12/55 × 15/16 Give your answer as a fraction in its simplest form.
Answer:
9/44
Step-by-step explanation:
12 * 15
55 16
12 * 15 = 180
55 * 16 = 880
180
880
/2
90
440
/2
45
220
/5
9
44
6 ten thousands 2 thousands 7 hundreds 8 tens 9 ones
Answer:
62789
Step-by-step explanation:
621126.4862 divided by 126.48
Answer:
4910.8672217
Step-by-step explanation:
I dont have a step by step, i am so sorry
Answer:
4910.8672217
Step-by-step explanation:
PLEASE HELP QUICK! TRIANGLE
H^2= 441+64
H^2=505
[tex] \sqrt[2]{505} [/tex]
H=22.4
1 poin
ALGEBRA: Sandra Woo delivers flowers. She earns $5.50 to deliver a small
arrangement and $8.25 to deliver a large arrangement. Last week she
made 52 deliveries and earned a total of $343.75. How many LARGE
arrangements did she deliver? *
Answer:
41 large deliveries and 1 small delivery
Step-by-step explanation: Multiply 8.25 x 41 = 338.25
Then take 338.25 and add 5.50 and you should get 343.75
A car travels a distance of 145 miles in a time of 2.4 hours.
What is its average speed rounded to 1dp?
Answer:
60.4miles/hr
Step-by-step explanation:
Given parameters:
Distance covered by the car = 145miles
Time taken = 2.4hrs
Unknown:
Average speed of the car = ?
Solution:
Average speed is the rate of change of distance with time;
Average speed = [tex]\frac{distance}{time}[/tex]
Input the parameters and solve;
Average speed = [tex]\frac{145}{2.4}[/tex] = 60.4miles/hr
Which property does this show? 4(3 - x) = 12 - 4x
Answer:
Distributive property
Step-by-step explanation:
when you distribute the left sid dit equals the right
please help me with this.
Answer:
i think it is 130DE because you will use a protractor
Emily wants to make a scale drawing of her kitchen. Her kitchen is a rectangle with a length of 6m and a width of 2m. She decides on a scale of 1cm to 0.5m. If the kitchen door is 1.2m wide, how wide should the door be on the scale drawing? Be sure to include units
Answer:
2.4 cm
Step-by-step explanation:
The scaled dimension on the drawing [tex]=[/tex] (Scale-factor) [tex]\times[/tex] (Original dimension)
She decides to draw 1cm for the original length of 0.5m=50 cm.
For this, the scaled dimension on the drawing=1cm and
the original dimention=50 cm
So, the scale-factor = 1/50.
As the kitchen door is 1.2m wide, i.e the original width of the door is 120 cm.
So, the scaled width of the door is
[tex]120\times \frac{1}{50}=2.4 cm.[/tex]
Hence, on the drawing, the width of the kitchen door should be 2.4 cm.
