Answers
5r-2 = 4r+4
subtract 4r from both sides
r-2 = 4
add 2 to both sides
r = 6
r = 6
Related Questions
evaluate the expression 82+(-17)-(-53)
Answers
Answer:
Step-by-step explanation:
82 - 17 + 53
= 188
Answer:
118
Step-by-step explanation:
The differnce between a number divide by 3 and 4 is 20
Answers
Answer:
(n/3)/4 =20
Step-by-step explanation:
i think this is what your looking for if not im sorry
have a blessed day :)
Which simplified equation is equivalent to the equation shown below?
9+6x + 2x - 1 = 24
O A. 3x+3 = 24
B. 15x + 1 = 24
O C. 10+8x = 24
O D. 8+8x = 24
Answers
plz help me
The container below contains 2 gray. 1 white, and 4 black marbles. Without looking, if Eric chooses a marble from the container will the probability be closer to O or to 1 that Eric will select a white marble? A gray marble? A black marble? Justify each of your predictions.
Answers
Step-by-step explanation:
Probability of Grey ball = 2/7 or 0.285. It is closer to 0
Probability of White marble = 1/7 or 0.142. It is closer to 0
Probability of Black marble = 4/7 or 0.571. It is closer to 1
solve the inequality below. use the drop down menus to describe the solution and its graph -7x+13 ≥41
Answers
Answer:
x ≥-4
Step-by-step explanation:
-7x+13 ≥41
-7x ≥28 (subtraction property of equality on both sides-subtract 13)
x ≥-4 (division property of equality on both sides-divide by -7)
(4 x 5)2 - 6 + 3 = ?
Answers
Answer:37
Step-by-step explanation:You multiply the ones that are in the parenthes
The Answer is 37, hope this helps.
A group of 64 children and 24 adults will travel to a zoo in vans. There will be 8 people in each van. How many vans will be needed to take the group to the zoo
Answers
Answer:
11
Step-by-step explanation:
Given that :
Number of adults = 24
Number of children = 64
Number of people per van = 8
Number of vans required :
Total number / number per van
(64 + 24). / 8
= 88 / 8
= 11 vans
Evaluate 2x when X4
what’s the answer for this?
Answers
So it would look like this:
2(4)
Multiply them 2x4 which would give you 8. So the answer is 8.
A satellite orbits in an elliptical path such that the Earth's center is one of the foci of the ellipse. The distance from the center of the orbit to the Earth's center is 4,100 miles. The foci are halfway between the center and the major axis vertices. Which equation can be used to model the path of this satellite's orbit?
Answers
Answer:
[tex]\frac{x^2}{8200^2} +\frac{y^2}{7101.4^2}=1[/tex]
Step-by-step explanation:
The equation of the ellipse with centre at origin and major axis along the x-axis is:
[tex]\frac{x^2}{a^2}+\frac{y^2}{b^2}=1[/tex]
Where 2a is the length of the major axis and 2b is the length of the minor axis. The following equation shows the relationship between the foci (c), major axis and minor axis:
a² = c² + b²
Since the earth center is one of the foci of the ellipse with distance from the center of the orbit to the Earth's center is 4,100 miles. Therefore the foci is at (4100, 0).
Hence c = 4100
Also, The foci are halfway between the center and the major axis vertices. Therefore the distance between the center and the major axis vertices (a) is twice the distance from the center of the orbit to the Earth's center.
a = 2c = 2(4100) = 8200 miles
We can get the distance from the center to the minor axis vertices (b), using:
a² = c² + b²
8200² = 4100² + b²
b² = 8200² - 4100²
b² = 50430000
b=√50430000
b = 7101.4 miles
The ellipse equation is:
[tex]\frac{x^2}{8200^2} +\frac{y^2}{7101.4^2}=1[/tex]
Answer:
[tex]\frac{x^{2} }{67,240,000}+\frac{y^{2} }{50,430,000} =1[/tex]
Step-by-step explanation:
Help 7th grader :) plzzz :3
Answers
The scale factor is 2.5
16x2.5 is 40
Side PQ is 40 inches
as part of a fundraiser a local charity has sold 10 raffle tickets with a goal of selling 60 tickets what percentage of the goal has been sold
Answers
Answer:
6
Step-by-step explanation:
An equation is shown below:
5(2x - 8) + 15 = -15
Write the steps you will use to solve the equation and explain each step. i need the steps plzzzz
Answers
Step-by-step explanation:
10x-40+15=-15
10x=-15-15+40
10x=10
x=1
Answer is 1
Zach paid $56.50 including sales tax for a book priced at $45. What was the sales tax rate?
Answers
Answer:
25.56% or $11.50
Step-by-step explanation:
I took it and put it in a sales tax calc.
Tell whether the information in the diagram allows you to conclude that point D lies on the perpendicular bisector of BC.
Yes
No
Maybe
Answers
Hope this helped
Can you help me thank you
Answers
Answer:
What you have is correct :)
Step-by-step explanation:
Simultaneous equations
2x+4y=1
3x+5y=7
Answers
Answer:
x = 11.5, y = -5.5.
As an ordered pair this is (11.5, -5.5).
Step-by-step explanation:
2x+4y=1 Multiply this by 3:
3x+5y=7 Multiply this by -2.
6x + 12y = 3
-6x - 10y = -14 Adding these 2 equations:
0 + 2y = -11.
y = -11/2
y = -5.5.
Now plug this into the first equation:
2x + 4(-5.5) = 1
2x = 1 + 22
x = 23/2
x = 11.5.
Silver scored 48 points in 4 basketball games. If Silver scored the same amount in each game how many points would he score in 10 games?
Answers
Answer: 120
Step-by-step explanation: He scores 12 points each game. 12 x 10 = 120 Good luck! :D
ANSWER THESE TWO QUESTIONS CORRECTLY TO BE MARKED BRAINILEST
Answers
Answer:
In this example, if you buy an item at $18.99 with 25% discount, you will pay 18.99 - 4.7475 = 14.24 dollars.
Step-by-step explanation:
Use the given scale factor and the side lengths of the scale drawing to
determine the side lengths of the real object.
Scale factor: 2:1
14 in
D
17 in
Scale drawing
Object
A. Side a is 8.5 inches long and side bis 7 inches long,
B. Side a is 15 inches long and side bis 12 inches long,
Ο Ο ОО
C. Side ais 19 inches long and side bis 16 inches long,
D. Side a is 34 inches long and side bis 28 inches long,
Answers
Answer:
It is A
Step-by-step explanation:
I got it wrong because of the other guy and I got to see the answer.
The contestant at a game show had already
won a total of $2750 when the game show was
continued today. He earns an additional $250
for each question he answers correctly today.
Answers
Answer:
y=250x+2750
Step-by-step explanation:
Which arithmetic sequence has a common difference of 5?
Answers
Answer:
5,10,15,20,25,30
Step-by-step explanation:
their common difference is 5
Please help me , I will give u 10 point
Answers
Answer:
equation: (5x+1)+(5x+1)+(x+2)+(x+2) or 12x+6
Step-by-step explanation:
Help need answers quick (unprofessional behavior and wrong answers will get reported)
Answers
Answer:
step 2 is the answer. when you start the question it's already in pemdas order. 48÷6 equals 8 then multiply it by the other 8 then you can add that quotient to the 10 which is 74 then subtract it by 7 and you get 67. step 2 goes the wrong way and ads the 8 with the 10 before multiplying the 8 by the 8 making everything go in wrong turns.
This is a question for geometry and its pretty hard.
Answers
Answer:
m EAD = 56
m EDA = 35
x = 4
Step-by-step explanation:
In a parallelogram, the diagonals bisect each other. This means that AE and EC are equal. To find x, simply set 2x + 3 = 11, and solve.
2x + 3 = 11
2x = 8
x = 4
Additionally, since the sides of a parallelogram are parallel, BC + AD are parallel, as are AB + DC. This make ECB + EAD and EBC + EDA opposite interior angles (have same measure). Thus, since we know ECB = 56 and EBC = 35, EAD also = 65 and EAD also = 35
.Mariam went to the store to buy some apples. The price per pound of the apples is $6 per pound and she has a coupon for $2.25 off the final amount. With the coupon, how much would Mariam have to pay to buy 3 pounds of apples? Also, write an expression for the cost to buy p pounds of apples, assuming at least one pound is purchased.
Answers
Answer:
$15.75
$6p-$2.25
3(2x+6)
Distributive Property
Answers
Answer:
6x+18
Step-by-step explanation:
Multiply 3 to all the numbers on the parenthesis
Hope this helps!
basically what you do is 3•2x+6•3. The dot means to multiply if you didn’t know.
Define the opposite and the absolute value of -8.
O The opposite of -8 is -8. The absolute value of -8 is 8.
O The opposite of -8 is -8. The absolute value of -8 is -8.
O The opposite of -8 is 8. The absolute value of -8 is 8.
O The opposite of -8 is 8. The absolute value of -8 is -8.
Answers
Answer:
The opposite of -8 is 0 and the absolute value in 8
Step-by-step explanation:
Answer:
The opposite of -8 is 8. The absolute value of -8 is 8.
Step-by-step explanation:
CAN SOMEONE PLEASE CHECK MY ANSWER!!!!!
Answers
Answer:
It is not correct, but very, very close, so great job!!
Step-by-step explanation:
When doing graphing of this sort, I always use Desmos to check my answers, so just get the website and go to the graphing calculator, type in the function, and you should get your graph.
The only thing you missed was that the other two points are (-3,-1) and (3,-1), rather than 3 and -3.
what is the answer please help me
Answers
Answer:
e/g
Step-by-step explanation:
It's e/g cosine is always the adjacent side divided by the hypotenuse
Statistics
Ethan repairs household appliances such as dishwashers and refrigerators. For each visit, he charges $25 plus $20 per hour of work. A linear equation that expresses the total amount of money Ethan earns per visit is y = 25 + 20x. What are the independent and dependent variables? What is the y-intercept, and what is the slope? Interpret them using complete sentences.