Answers
Answer:
the wind is 23 km/h
the speed of the plane without the wind is 135 km/h
Step-by-step explanation:
158-112=46
46/2= 23
112+23= 135
Related Questions
Solve for x
3/5 (x − 7/10)= −3 1/4
Enter your answer as a mixed number in simplest form.
Answers
Answer:
x = 11(13/14)
Step-by-step explanation:
3/5(x – 7/10) = -31/4
open the bracket:
3/5 * x – 7/10 = -31/4
3/5 * –7x/10 = -31/4
3/5 + 31/4 = 7x/10
(12+155)/20 = 7x/10
167/20 = 7x/10
cross multiply:
140x = 1670
x =1670/140
x = 11(130/140)
x = 11(13/14)
The value of x is 1/5.
What is Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given:
3/5 (x − 7/10)= −3 1/4
Now, Solving for x
3/5 ( x- 7/10 )= 13/4
x- 7/10 = -13/4 x 5/3
x- 7/10 = -65 /12
x= -65/12 + 7/10
x= 24/ 120
x= 1/5
hence, the value of x is 1/5.
Learn more about equation here:
https://brainly.com/question/29657983
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Convert 45 dollars earned in 3 hours to a unit rate. Write your answer using the $ sign and the word "per".
Answers
Explanation:
$45/ 3 = $15
So, the unit rate is 15
Todd and his friends are painting 5 equal sections of a wall. The wall is 10 feet tall, but its length is unknown.
Each section will be a different color, so they need to know the area of each section.
so , i said 5/10x area = length * width A=10*x a= 10x
then i said you should divide , next i said 10x/5 10x in five sections is 2 in each q1 said area 10*x but x=2 so 10*2=20 is this correct?
Answers
HELP PLS 10 POINTS + BRAINLIST~!
A package of 8 pens costs $1.09. Milo’s work to find the unit price of the pack is shown below.
Where did Milo make his first error?
He assumed the pens are equally priced.
He wrote the unit rate incorrectly.
He made a place value error when dividing.
He multiplied instead of dividing.
Answers
He put the 8 pens over the 1.09 and that means division he should have wrote to like a multiplication problem
can someone give me answers plzz
Answers
Answer:
I do not understand that so, sorry!
Step-by-step explanation:
Does not make sense
2:76
3:114
4:152
5:190
Meaning Tim can’t read 200 words in 5 minutes but he can read 190 in 5 minutes I hope it helped? :)
Pluto is no longer considered a planet because of its flattened shape?
true or false
Answers
if you have a bacteria cell that you touch at 9:00 am (so now you have one cell on you) and it multiplies every 20 mins how much will i have on me at 4:00
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It doubles 3 times an hour
It doubles 21 times total starting with 1
At 4:00 you will have 1,048,576 bacteria cells.
Well, 9:00 AM to 4:00 PM would be 7 hours. 7 hours into minutes would be 420. 420 divided by 20 is 21. This means it multiplies 21 times from 9:00 to 4:00. Since it multiplies by 2, than you need to skip count with the pattern multiply by 2 and stop once you have 21 numbers.
1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576. That would be 21 numbers.
The answer would be 1048576.
I think this is correct. :/
Help me
Please and thank you
Answers
Answer:
2.5 hours
Step-by-step explanation:
o-O
Tina was observing the changing heights of a ball as it bounced over time. She graphed the function on this coordinate grid to show f(x), the height of the dropped ball, in feet, after its xth bounce.
Part A: What is f(3)? Explain what this value represents in the given context.
Part B: Tina said that a possible range for the given function is y > 0. Based on the given scenario, do you agree or disagree? If you agree, explain why the range is correct. If you disagree, what values should be the range for the given scenario?
Answers
The range for the given scenario is y≥0.
Given that, Tina graphed the function on the coordinate grid to show f(x), the height of the dropped ball, in feet, after its xth bounce.
What is the function?Functions are the fundamental part of the calculus in mathematics. The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.
Part A:
From the graph we can see that, for f(3) that is for 3 bounces the height is 4 feet.
Part B: Tina said that a possible range for the given function is y > 0.
From the graph we can see that for f(7) and f(8), the ball is almost at rest position. So the range can be y≥0.
Therefore, the range for the given scenario is y≥0.
To learn more about the function visit:
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To make orange fizz, Noah mixes 4 scoops of powder with 6 cups of water. Andre mixes 5 scoops of powder with cups of water. Create a double number line or a table that shows different amounts of powder and water that taste the same as Noah’s mixture.
Answers
Answer:
This should help
Step-by-step explanation:
How many solutions does 9x+7=9x-4 have A) one solution B) No solution or C) infinitely many solutions.
Answers
Answer:
No Solution
Step-by-step explanation:
If we solve for the equation, we get a statement that isn't true.
9x + 7 = 9x - 4
-9x -9x
----------------------
7 = - 4
*subtract 9x from both sides*
We know that 7 ≠ -4, so there aren't any solutions to this problem.
Hope this helped!
The trip from Carville to Planesborough takes 4 1/2 hours when traveling at a constant speed of 70 miles per hour. How long, in hours, does the trip take when traveling at a constant speed of 60 miles per hour?
Answers
Answer:
5h 15 min
Step-by-step explanation:
70 mph * 4,5 = 315 miles
315 / 60 = 5,25h
5,25h = 5 1/4h = 5h 15 min
Answer:
6.8
Step-by-step explanation:
i hope tis helps
Which equation has a solution of s = 3/4?
Answers
Answer:
the answer is that you have to follow these rules.
Step-by-step explanation:
1. Simplify each side of the equation by removing parentheses and combining like terms.
2. Use addition or subtraction to isolate the variable term on one side of the equation.
last but not least
3. Use multiplication or division to solve for the variable.
circle terms and simplify each of the following expressions.
a. 3+1.4+(-7). b. 50+3(-10)+ 2(-20)
c. 4+(-50)+2 d. (4+(-170)) (5+4))
What does it mean by terms?
Answers
Answer:
a) 2.6 b) -20 c) -44 d) -1494
Step-by-step explanation:
Terms:
A term is a single mathematical expression. It may be a single number (positive or negative), a single variable ( a letter ), several variables multiplied but never added or subtracted. Some terms contain variables with a number in front of them. The number in front of a term is called a coefficient.
a) 3+1.4+(-7)
3+1.4-7
Calculate.
-2.6
Terms: 3, 1.4, -7
b) 50+3(-10)+ 2(-20)
Multiply.
50-30-40
Calculate.
-20
Terms: 50, 3, -10, 2, -20
c) 4+(-50)+2
4-50+2
Calculate.
-44
Terms: 4, -50, 2
d) (4+(-170)) (5+4))
(4-170)+(5+4)
Add.
(4-170)x9
Calculate.
-166x9
Multiply.
-1494
Terms: 4, -170, 5, 4
Hope this helps :)
Answer:
b
Step-by-step explanation:
will giver brainliest to the person with the most detailed answer. That means tell me how you got ur answer. And the person who answers with the most clear explanation as well. Good luck!! This is due in 8 minutes as well. And pls number ur answers in order so it is clear!!
Answers
since they are all in the same line you only need to use 2 of the points I'm using (1,-1) and (2,1) next you do (x1,y1) and (x2, y2) which would be (1,2) and (-1, 1) then do y2-y1 / x2-x1 which would be 1/2
A rectangular community swimming pool is 31 2/3 meters long and 7 1/5 meters wide. The area around the swimming pool is covered with tiles. The area covered with tiles is 25% of the total area covered by the swimming pool. The total cost of the tiling is $712.50. What is the cost of the tiling per square meter?
Answers
Answer:
$17,812.50
Step-by-step explanation:
hope it helps
i need help pleaseeeeeeeeeee
Answers
Answer:
D) 27
Step-by-step explanation:
4 + 2 = 6 (pets)
For each pet he spends $4.50, so:
6 × 4.50 =
6 × 4 = 24 +
6 × 0.5 =
6/2 = 3
24 + 3 = 27
So D.
:)
Answer:
D. Mr. Winston spends $27 dollars at the pet store.
Step-by-step explanation:
It's multiplication. He has 6 pets, he spends $4.50 for each pet.
4.50 * 6 = 27.
Mr. Winston spends $27 on pet food for his 6 pets.
Hope this helps!
If u like it, plz mark me as brainliest!
I dont know what im doing
Answers
Answer:
I think its D
Step-by-step explanation:
7x8x9 would equally 504 and 9x8x7 would also equall 504.So therefore your answer if I'm not mistaken would be D.
Answer: The answer to your question is D.
Step-by-step explanation: A Commutative Property for Mutliplication order can change be the change will never affect the answer.
A band earns $\frac{2}{3}$
of their profit from selling concert tickets and $\frac{1}{5}$
of their profit from selling merchandise. The band earns $1500 from selling concert tickets. How much money does the band earn from selling merchandise?
Answers
Dividing 2/3 profit of selling concert tickets by 1/5 profit from selling band mechandise.
(2/3) / (1/5) = 10/3 = 3 1/3
Hence band members make 3 1/3 or 10/3 times more profit from ticket sales than from band merchandise sales.
This can be elaborate in such a way also.
Let suppose the total profit is $30.
then the profit from the ticket sale = 2/3 of 30 = $20
and the profit from the band merchandise sales = 1/5 of 30 = $6
Now dividing 20 by 6, which gives 10/3. the same answer that were calculated above.
Michelle's cookie recipe calls for 3/4 cup of brown sugar to make 3 dozen cookies. Which of the following shows an amount of brown sugar that would make the corresponding amount of cookies? Choose all that apply.
Answers
Answer:1/2 cup of sugar makes 1 dozen cookies
1 cup if sugar makes 4 dozen cookies
Step-by-step explanation:
Answer:
1/2 cup of sugar makes 1 dozen cookies so, 1 cup of sugar makes 4 dozen cookies
Danielle earns an 8.25% commission on everything she sells at the electronics store where she works. She also earns a base salary of $675 per week. How much did she earn last week if she sold $4,200 in electronics merchandise? Round your intermediate calculations and answer to the nearest cent.
Answers
Answer:
$12381.82
Step-by-step explanation:
Determine which statement is true if JKLM ~ NOPQ
Answers
Answer:
B / 2nd answer
Step-by-step explanation:
if the orders are correct, then it should be B, but there should also be a picture just in case
Sorry for the bad quality but Plsss help
Answers
Marcus has earned 353 out of 400 points (88% or B+) in Math class. He needs 90% to earn an A-. There is one test left worth 100 points. How many points does Marcus need on the test to raise his grade to an A-?
Answers
Answer:
97
Step-by-step explanation:
Marcus is aiming for an A- (90-94 percent). The question states that there is another test awaiting that is worth 100 points. In order to find the answer to the question, you need to:
1.) Add 400 + 100, to show how many points there are in total.
2.) Use the answer choices and add it to 353.
88 + 353 = 441
93 + 353 = 446
97 + 353 = 450
3.) Find the percentage of the sums.
441/500 = 88%
446/500 = 89%
450/500 = 90%
Since Marcus is aiming for an A-, we can conclude that obtaining 97 points will help Marcus achieve an A-.
A diving board is 12 feet above the ground. The bottom of the pool is 16 feet below the ground. Write and solve an equation that gives the distance from the diving board to the bottom of the pool. Write and solve an equation that gives the distance from the diving board to the bottom of the pool. pls help wit this
Answers
Answer: 12+16=28
Step-by-step explanation: trust me
How do I do this pls help
Answers
Answer:
Might be wrong, but, Stephan bought the bike and helmet for 115.2$
Step-by-step explanation:
(might be wrong)
$307 and 2 cent i think
Miguel takes $50 to the mall. He buys a flannel shirt for $18.99 and a hat for $12.49. On his way home, he stops at the bank and withdraws $25.
How much money does Miguel have now?
Answers
this problem can be shown like this:
50-18.99-12.49+25=43.52
hope that helped!
Two school groups go to a roller skating rink. One group pays $243 for 36 admissions and 21 skate rentals. The other group pays $81 for 12 admissions and 7 skate rentals. Let x represent the cost of admission and let y represent the cost of a skate rental. Is there enough information to find values for x and y? Explain.
thxs
Answers
Answer:
No
There are infinitely many solutions to the system.
{36x+21y=24312x+7y=81
Multiply the second equation by 3.
3(12x+7y36x+21y=81)=243
Subtract this new equation from the first equation.
36x+21y−(36x+21y0+0=243=243)=0 true
There are infinitely many values of x and y are possible.
What is the system of equations?One or many equations having the same number of unknowns that can be solved simultaneously called as simultaneous equation. And simultaneous equation is the system of equation.
Given:
Two school groups go to a roller skating rink.
One group pays $243 for 36 admissions and 21 skate rentals.
The other group pays $81 for 12 admissions and 7 skate rentals.
Let x represent the cost of admission and let y represent the cost of a skate rental.
We have a system of equations,
36x + 21y = 243 {equation 1}
12x + 7y = 81 {equation 2}
Simplifying equation 1 we get,
36x + 21y = 243
Divide by 3,
12x + 7y = 81
That means, there are infinitely many solutions possible.
Therefore, there are infinitely many solutions possible.
To learn more about the system of equation;
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5. Using the equation y=2x+5, construct a table and graph the line
Answers
Step-by-step explanation:
What you are going to do is for each value of x (which is the value to the right on the table) you will find the Y value.
So for X = 0
y = 2(0)+5 = 5
x = 1
y = 2(1)+5 = 7
x = 3
y = 2(3)+5 = 11
x = 5
y = 2(5)+5 = 15
x = 10
y = 2(10)+5 = 25
Now for what you do is place the correspanding value into the graph.
(x,y) = (0,5), (1,7), (3,11),(5,15),(10,25)
Answer: See the graph below.
Step-by-step explanation:
Is the sequence arithmetic, geometric or neither? Then, find the next three terms. 0, 3, 6, 9, 12, ___, ___, ____
Answers
Answer:
arithmetic (+3)
15, 18, 21
Step-by-step explanation:
Answer:
15,18,21
Step-by-step explanation:
