here is an inequality: 2x+5>50. explain the steps you would use to solve the inequality for x. what would the graph look like
Answer:
Step-by-step explanation: 2 plus 5
7 <50
Answer:
x = 22.5
Step-by-step explanation:
2x + 5 > 50.
We do inverse operations sooo:
2x + 5 - 5 > 50 - 5.
50 - 5 = 45.
Then we do 2x ÷ 2 and 45 ÷ 2.
45 ÷ 2 = 22.5.
To check our answer to see if its right we do 22.5 x 2 which equals 45. Then we do 45 + 5 which equals 50. So the sign is wrong it should be greater than or equal to.
Math! Help please!
A B C or D?
Answer:
B
Step-by-step explanation:
a proportional relationship is y = constant * x
* = multiplication
1. a machine can scan 12 pages in 3/5 minutes. how many pages can be scanned in 1 minute
Answer: 20 pages in a minute.
Step-by-step explanation:
12/3=4 pages in 12 seconds because 60/5=12 seconds
4*5=20 pages=60seconds=1 minute
Heather says that is if a hot air balloon descends 10 feet every 20 minutes, that the integer rate for that decline is 2 feet per minute. What would you say to Heather if you had to correct her work? (Hint: There are 2 errors Heather makes)
Answer:
Well I am not just going to give it to you
Step-by-step explanation:
So take 10 alright and then for every 20 min just divide by 2 and then figure out if that is correct if it is then find her other mistake ok
A Rube Goldberg machine consists of a series of devices that perform a simple task. Kate is drawing a scale model of her Rube Goldberg machine, which she plans to build and enter into a contest. A bicycle wheel on the scale model is 2 inches in diameter, while in the actual machine, it will be 28 inches in diameter.
Question 1
Part A
Based on the measures of the wheel diameter, what is the unit rate of inches of machine per inch of the model?
Answer:
The unit rate is 16
Step-by-step explanation:
The unit rate of the machine is given as 14 inches per model.
What is Unitary method?In order to solve a problem for two different values of a quantity, its unit value is first derived. This method is known as unitary method.
Given that,
The diameter of bicycle wheel on the scale model is 2 inch.
And, the diameter in actual machine is 28 inch.
The unit rate of the machine can be found by using unitary method as follows,
For 2 inch diameter on scale model, diameter in machine = 28 inch
For 1 inch diameter on scale model, diameter in machine = 28/2 inch
= 14 inch.
Hence, the unit rate of inches of machine per inch of the model is 14 inches per model.
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I need help overdo! I will give brainlist!
1. It takes Jada 20 minutes to walk to school. It takes Andre 80% as long to walk to school. How long does it take Andre to talk to school?
2. A jet plane can carry up to 200,000 liters of fuel. It used 130,000 liters of fuel during a flight. What percentage of the fuel capacity did it use on this flight?
Answer:
1. 20 (.8) = 16
It takes him 16 minutes to walk to school.
This is because 80% as a decimal is .8 and you multiply that by how long it takes Person A to walk and you get 16.
2. 65%
Given: Full capacity=200000 litres
Amount of fuel used 130000/200000x100
Solving it, we will get 65%
Step-by-step explanation:
Answer:
1. 16 minutes
2. 65%
Step-by-step explanation:
For question 1: 20 x 0.8 = 16.
For question 2: 130000/200000 = 0.65 = 65%.
Please help with homework
For A the answer is 40
Sorry I could only find find for A
Could you give brainliest
answer this question pleasee
Answer:
c) slope= 5 y-intercept=12
Step-by-step explanation:
first you use y2-y1 divided by x2-x1 to find slope
32-22 10
——— = — = 5
4 - 2 2
then you plug what you know into point-slope-form
y-22=5(x-2)
y-22= 5x-10
y= 5x+12
Answer:
C
Step-by-step explanation:
Slope = 5
y-in= 12
Charles reads quickly. He reads 1 3/8 pages every ⅔ of an hour. Jill reads a half a page every 15 minutes. Who reads at a faster rate.
Ross has a model truck. It has a scale of 1 inch for every 32 inches on a real-sized truck. He wants to build a garage for the model at the same scale.
Given that the garage for a real-sized truck is 12 feet wide, how wide should his model garage be?
Answer in decimal form: 4.5 inches
Answer as a mixed number = 4 & 1/2 inches
========================================================
Explanation:
" It has a scale of 1 inch for every 32 inches on a real-sized truck" means the the scale is 1:32
Put another way, the real life width is 32 times greater than the scale model.
So we can form the equation
y = 32x
where x is the scale model width and y is the actual real life width.
---------
The garage in the real world is 12 feet wide, or 12*12 = 144 inches wide.
Plug y = 144 into the equation and solve for x
y = 32x
32x = y
32x = 144
x = 144/32
x = 4.5
His scale model garage must be 4.5 inches wide
4.5 inches = 4 & 1/2 inches = 4 and a half inches
Answer:
4.5 inches
Step-by-step explanation:
First, convert all measurements to the mase units
12 feet -> 144 in
Now, we will identify what 144 inches would be as a model scale. We will do so by dividing 144/32 since 32inches equals 1 model scale inch.
144/32= 4.5
therefore, the garage will be 4.5 inches as a model scale.
Which pair shows equivalent expressions? PLEASE HELP AND DON"T DO FAKE THINGS AND MAKE THEM UP!!!!
2x+10=2(x-5)
-2(x+5)=2x-10)
-2x-10=-2(x+5)
-2(x-5)=-2x-10
Answer:
The answer would be D I believe.
Step-by-step explanation:
The -2's and the x = 2 so they should be equivalent. But I dont know :/
Answer:
The answer would be C
Step-by-step explanation:
C is the only one that have the same numbers on both sides.
A would be 2x+10=2x-10
B would be -2x-10=2x-10
C would be -2x-10=-2x-10
D would be -2x+10=2x-10
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!
Answer:
hope that helpes sorry if im whrong good luck
Answer all for brainliest
Which is greater 1/10 or .09 why?
Which is the least value, .5 or 2/4?
Order from greatest to least, -4/5, -1/2, .25, -.2, 2 1/2
Answer: 1/10 is greater; niether its equal; 2 1/2, .25, -.2, -1/2, -4/5
Step-by-step explanation:
1/10 is a tenth and .09 is a hunderedth
Students voted for a new class president and the results are shown in the table.
A 2-column table with 3 rows. Column 1 is labeled Candidate with entries Rosalia, Jocelyn, Danny. Column 2 is labeled Votes with entries 124, 109, 111.
The ratio 124:111 is a _______compassion
part-to-part
part-to-whole
whole-to-part
whole-to-whole
Answer:
its *part to part* also A
Step-by-step explanation:
:)
Answer:
A (i think)
Step-by-step explanation:
can u simplify 62/354 and if u can help
Find the value of x in each case:
**AWARDING BRAINLIEST!**
Answer:
edc≡80°
cba=32.75°
Step-by-step explanation:
A triangle is 180° so for edc you do 180-100= 80°. For cba you do
180-49= 131. Then to get x you do 131÷4= 32.75°
I think this should be the correct answer!
Michael decided to make French toast. He finds a recipe that calls for the following ingredients:
FRENCH TOAST
12 slices of bread
4 eggs
1 cup of milk
1 teaspoon of cinnamon
Michael makes a single recipe and shares the food equally among himself AND his four family members. How many slices of French toast does each person receive?
A.Each person gets 2 2/5 slices of French toast.
B.Each person gets 1/2 slice of French toast.
C.Each person gets 2 slices of French toast.
D.Each person gets 12 slices of French toast.
E.Each person gets 5 slices of French toast.
F.Each person gets 5/2 slices of French toast.
Answer:
The answer is "A" because you would have everyone get 2 pieces and you would give everyone 2/5 which would evenly divide 12 pieces
Im pretty sure it is A! But I still could be wrong. PLease forgive me if im wrong but I tried my hardest. If Im wrong pls correct.
(if correct could I maybe have brainliest? Tysm!)
Thats all. LOL cya
btw don't cheat anymore
WINK WINK WINK
lol
The map shows the location of four places in a school.
A coordinate plane is shown. There is a point at 5, 2 labeled Front office. There is a point at negative 6, 4 labeled Gym. There is a point at negative 4, negative 3 labeled Auditorium. There is a point at 6, negative 4 labeled Library.
Paul's English class is located in the same quadrant as the library. Which of the following could be the coordinates of the English classroom?
A (4, 5)
B(−4, 5)
C (−4, −5)
D (4, −5)
Answer:
4,-5 is your answer
Step-by-step explanation:
it is correct
The boundary line on the graph represents the equation
5x + 2y= 6.
Write an inequality that is represented by the graph.
Which is the best estimate for 6,193 ÷ 48 using compatible numbers.
A. 100
B. 120
C. 150
D. 160
The best estimate for 6,193 ÷ 48 using compatible numbers is 120. Therefore, option B is the correct answer.
Given that, 6,193 ÷ 48.
What is the division?The division is one of the basic arithmetic operations in math in which a larger number is broken down into smaller groups having the same number of items.
Here, the number 6,193 can be rounded off to 6000 and the number 48 can be rounded off to 50.
So, 6,193 ÷ 48
= 6000 ÷ 50
= 120
The best estimate for 6,193 ÷ 48 using compatible numbers is 120. Therefore, option B is the correct answer.
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Identify next three numbers in this sequence: 2, 6, 3, 9, 6, 18, 15…
45, 22.5, 67.5
19, 16, 20
45, 42, 126
40, 37, 111
Answer: 45, 42, 126
Step-by-step explanation:
hope it helps
an arts academy requires there to be 3 teachers for every 51 students and 5 tutors for every 45 students. how many students does the academy have per teacher? per tutor? how many tutors does the academy need if it has 90 students? The academy has ___ students per tutor
Answer:
17 students per teacher, 9 students per tutor. You need 10 tutors if the school had 90 students.
Step-by-step explanation:
51 students divided by 3 teachers = 17 students per teacher.
45 students divided by 5 tutors = 9 students per teacher.
If there are 9 students per tutor 9 * 10 = 90 so ten tutors
Find the value of x in each case.
Answer:
I think its 80 for both. .,.
Hola,
Goodluck! Z:
How do I do this?? :(
"Is there only one way to break up a 2-digit number into tens and ones? Explain."
Yes, to break a 2-digit number into tens and ones it is a simple process. To do it you have to take a number, let's say, 56. We can take the 5, because it has one digit to the right of it, we add one 0 to the right of it. Then we do the 6, which has nothing to the right, so we don't put anything there. 50 and 6. 5 tens and 6 ones.
I'm pretty sure that's the only way. If anyone knows otherwise, please post in the comments.
23÷201.25 PLEASE ANSWER THIS WITH DECIMALS MEANING EXAMPLE
9.93
THE FIRST DECIMAL IS 9.__ FILL IN THE BLANK
THANK YOU!!
Suppose that y is directly proportional to x, and y = −16 when x = −2. What is the constant of proportionality?
A) −8
B) −
1
8
C) 1
8
D) 8
Answer:
In the given expression the constant of proportionality is k = 8.
Step-by-step explanation:
The quantity P is said to be directly proportional to Q if they vary in proportion to each other.
Here, P ∝ Q ⇔ P = kQ : k = Proportionality Constant
Now, here given y ∝ x and x = -2, y = -16
Now, y ∝ x ⇒ y = kxor, (-16) = k (-2) or, k = 16/2 = 8 ⇒ k = 8So, for k = 8, y ∝ x
Hence, in the given expression the constant of proportionality is k = 8.
Plz :<
Renting a small truck for the day costs $29.95 plus $0.79 per mile that truck is driven. Ms. Knowles rented a truck for one day and paid $91.57. What is the equation used to model this situation and its solution?
A. 29.95x + 0.79 = 91.57; x = 3.03
B. 0.79x + 29.95 =91.57; x =78
C. 0.79x =121.56; x =153.87
D. 80x +30 =9157; x =114.0875
simplify by combining like terms: 5b + 0.2c + 0.8b
Answer:
5.8b + 0.2c
Step-by-step explanation:
Original equation:
5b + 0.2c + 0.8b = ?
Add 5b and 0.8b together
5.8b
Plug this value back into the equation
5.8b + 0.2c
Hope this helps :)
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I like ice cream :D
Frederick purchased a large amount of candy for a school event. After the event, of the candy was left over. Frederick put of the left over candy in the faculty break room, and then he took the rest of it home.
Select the expressions that could be used to determine what fraction of the original candy Frederick took home.
Mark talked on his cell phone 3 hours over the weekend. Genaro talked on his phone 1 9−− 10hours. How much longer did Mark talk on his phone than Genaro?
Answer:
7 hours
Step-by-step explanation:
10-3=7
Answer:
1 1/10 hours more
Step-by-step explanation:
3 - 1 9/10 = 2 10/10 - 1 9/10 = 1 1/10 hours more •✧•