A hoverboard is on sale for 10% off the original price of 247.50
Answer:
$222.75
Step-by-step explanation:
0.9*247.50
hope this helps :D pls mark brainliest :D
PLEASE HELP- 56 DIVIDED BY 1.6
Answer:
35
Step-by-step explanation:
Helpppp:)
A tank full of water is leaking at a constant rate for 25 minutes. The equation
y = -4x + 220
describes the amount of water in the tank, where yis the number of liters and
x is the number of minutes that has elapsed since the tank started to leak.
Which statement is true?
A. There were 4 liters in the tank when the leak started, and it is
increasing by 220 liters per minute.
B. There were 220 liters in the tank when the leak started, and it is
decreasing by 4 liters per minute,
C. There were 4 liters in the tank when the leak started, and it is
decreasing by 220 liters per minute.
D. There were 220 liters in the tank after 25 minutes, and it
decreasing by 4 liters per minute.
Answer:
Is it B
Step-by-step explanation:
Answer:
Step-by-step explanation:
B test!
Total price: $128,500
Tax or tip rate: 5.5%
Answer:
Step-by-step explanation:
5.5% of 128,500
(128500*5.5)/100=7067.50
Write the simplest polynomial function with the given roots 1/2,5, and -2
Answer:
x³-7x²/2-39x/2 + 10Step-by-step explanation:
Given 1/2,5, and -2 as roots of the polynomial, the function in terms of x is expressed as;
P(x) = (x - 1/2)(x - 5)(x+2)
Expand;
(x - 1/2)(x - 5) = x²-5x -x/2 + 5/2
(x - 1/2)(x - 5) = x²-11x/2 + 5/2
P(x) = (x²-11x/2 + 5/2)(x+2) = x³+2x²-11x²/2-22x+5x/2 + 10
P(x) = x³-7x²/2-39x/2 + 10
Hence the required polynomial is x³-7x²/2-39x/2 + 10
A tank of diesel fuel contains 210 gallons. Every week, 5 gallons is used. A tank of gasoline contains 430 gallons. Every week, 16 gallons is used. After how many weeks will they have the same amount of fuel? How much fuel will each tank hold on that day?
Answer:
After 20 weeks both tanks have the same amount of fuel.
Diesel tank= 110 gallons
Gasoline tank= 110 gallons
Step-by-step explanation:
Giving the following information:
Diesel tank:
Total capacity= 210 gallons
Unitary daily use= 5 gallons
Gasoline tank:
Total capacity= 430 gallons
Unitary daily use= 16 gallons
First, we structure the total fuel loss formula for each tank:
Diesel tank= 210 - 5*x
Gasoline tank= 430 - 16*x
x= number of weeks
Now, we equal both formulas and isolate x:
210 - 5x = 430 - 16x
11x = 220
x= 20
After 20 weeks both tanks have the same amount of fuel.
Prove:
Diesel tank= 210 - 5*20= 110 gallons
Gasoline tank= 430 - 16*20= 110 gallons
Multiply then write fraction in simplest form
Answer: 1 7/30
Step-by-step explanation:
Will give brainliest, please answer
Que tipo de triángulo es
What is 7/8 + 8/45 =
Step-by-step explanation:
1.05277777778
hope it helps!
Answer:
1 19/360
Step-by-step explanation:
What we know:
The addends in this equation are 7/8 and 8/45.
First, find the LCM of 8 and 45. Since 8 and 45 don't have any common factors other than 1, just multiply the two numbers.
8 * 45 = 360
After that, find the equivalent fraction for both addends
7/8 * 45/45 = 315/360
8/45 * 8/8 = 64/360
Then, add the two new fractions together, and simplify if needed.
315/360 + 64/360 = 379/360 = 1 19/360
PLEASE HELP!! BRAINILIESTTTT
Answer:
The element is Boron(B)
Step-by-step explanation:
This is because on the periodic table, it shows that Boron has 5 protons and 5 electrons
y=2x+5y=2x+5y, equals, 2, x, plus, 5
Complete the missing value in the solution to the equation.
(2,(2,left parenthesis, 2, comma
))
Answer:
y=2x+5y
x=−2
y=.5
Answer: 9
Step-by-step explanation:
Khan Academy
What type of decimal is this fraction: LaTeX: \frac{11}{20}
terminating
neither
both
repeating
11/20
Divide 11 by 20 to find the decimal value.
11/20 = 0.55
The decimal only contains two numbers, so it is a terminating fraction.
Joey mows his neighbors lawns and earns $31.50 in 7 hours. How much does he make in 17 hours?
Answer:The blouse was 28 dollars.
Step-by-step explanation:
How many hours do they have to work before they go to the movies
Cell phone Plan A costs $70 per month and comes with a free $500 phone. Cell phone Plan B costs $50 per month but does not come with a phone. If you buy the $500 phone and choose Plan B, how many months is it until your cost is the same as Plan A's?
I got two different answers last time. One said 25 and the other said 11. Are either of them correct?
Answer:
25 months
Step-by-step explanation:
Plan A : $70 per month
Plan B : $50 per month + $500 as a one time cost.
So for A $70 a month would take 8 months to be at least $500
And for B it in those 8 months it would cost you $900
But we have to keep going up until they are equal
25*70 = 1750
(25*50) = 1250+500=1750
So yes 25 months is correct
Demetrius received his phone bill in the mail. The bill was for $99.00 and the sales tax was 4.5%. He ended up paying $94.54 for his bill.
True
or
False
Answer:
false
Step-by-step explanation:
i think the answer is false srry if i am wrong
if the sales tax rate is 7.5% what is the tax on a $12.4 purchase
What’s the answer for this question?
Answer:
d.
Step-by-step explanation:
you would put 4 in the x places and 2 in the yplaces and then you would distribute 4^2 +3(2)/4(2)
16+6/2=22/8=2 3/4
SOMEONE PLS HELP!! 15 points
Answer:
5.3
Step-by-step explanation:
HELP!!!! WILL MARK BRAINLIEST!!!!
Answer:
c
Step-by-step explanation:
O A. -2
O B. -1
C. 2
D. 1
Answer:
c is the right answer for the problem
Answer:
A.) -2
Step-by-step explanation:
Y = -6
X = 3
---------------------
-6/3 = -2
Therefor your slope to this graph is -2
solve the value of x: x + 13.8 ≥ 20.23
Answer:
x≥6.43
Step-by-step explanation:
Let's solve your inequality step-by-step.
x+13.8≥20.23
Step 1: Subtract 13.8 from both sides.
x+13.8−13.8≥20.23−13.8
x≥6.43
JJill begins the summer with $500 in her savings account. Each week, she withdraws $20. Her brother, Sam,starts the summer with $150 in his account. He adds $30 to his account each week. At what week will both Jill and Sam have the same amount in their account.
Answer:
7th week
Step-by-step explanation:
Let us represent the number of weeks as x
Jill begins the summer with $500 in her savings account. Each week, she withdraws $20.
$500 - $20× x
500 - 20x
Her brother, Sam,starts the summer with $150 in his account. He adds $30 to his account each week.
$150 + $30 × x
150 + 30x
At what week will both Jill and Sam have the same amount in their account?
We solve this be Equating both Equations together
Jill = Sam
500 - 20x = 150 + 30x
Collect like terms
500 - 150 = 30x + 20x
350 = 50x
Divide both sides by 50
50x/50 = 350/50
x = 7 weeks
Therefore, at the 7 week, Jill and sam would have the same amount in their accounts
the radius is 9 cm. what is the approximate circumference of the circle
Answer:
56.5487 (this is exact, just round it if you want)
Step-by-step explanation:
The formula to find the circumference is 2, pi, r (radius).
What is the common ratio of this sequence: 4, 20, 100...?
pls
Step-by-step explanation:
5 is the answer
..................
The amount of time it takes a water pump to empty a tank varies directly as the capacity of the tank. If it takes a water pump 2.5 hours to empty a tank containing 60,000 gallons of water, how long does it take the same pump to empty a tank containing 108,000 gallons of water?
Answer: 4.5 hours
Step-by-step explanation: i used cross multiplication.
2.5/x=60,000/108,000
60,000x=270,000
divide 270,000 by 60,000
x=4.5
An equation is formed when two equal expressions. The time the same pump will take to empty a tank containing 108,000 gallons of water is 4.5 hours.
What is an equation?An equation is formed when two equal expressions are equated together with the help of an equal sign '='.
Given that the amount of time it takes a water pump to empty a tank varies directly with the capacity of the tank. Therefore, the relationship can be written as,
V ∝ T
V = kT
Substituting the volume and time in the equation,
60,000 gallons = 2.5 hours × k
Solving the equation for k,
k = 60,000 gallons / 2.5 hours
k = 24,000 gallons per hour
Now, the equation for the relationship can be written as,
V = 24,000 gallons per hour × T
Now, the time the same pump will take to empty a tank containing 108,000 gallons of water is,
V = 24,000 gallons per hour × T
108,000 gallons = 24,000 gallons per hour × T
108,000 gallons / 24,000 gallons per hour = T
T = 4.5 hours
Hence, the time the same pump will take to empty a tank containing 108,000 gallons of water is 4.5 hours.
Learn more about Equation:
https://brainly.com/question/2263981
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What is the equation of the line shown in the coordinate plane below?
please help me quickly! I WILL GIVE BRAINLIEST. need to answer both questions
Answer:
30-17=13 so 2x13 is 26, that is the answer for first but I dont know the second, sorry Step-by-step explanation:
Three baby penguins and their father were sitting on an iceberg
0.5
0.50, point, 5 meters above the surface of the water. The father dove down
4.7
4.74, point, 7 meters from the iceberg into the water to catch dinner for his kids.
Answer:
-4.2
Step-by-step explanation:
0.5 - 4.7= -4.2
Answer:
The answer for khan Is -4.2
Step-by-step explanation:
(Its a negative not positive)
A customer purchased a total of 16 washcloths and towels. Each washcloth costs $10.50 and each towel cost $15.00. The customer spent a total of 226.50. How many washcloths did the customer buy? (pls help me!)