DONT PUT FAKE ANSWERS
What are the solutions to this quadratic equation? 5x^2-7x-18=0
Answers
Answer:
The answer is B
Step-by-step explanation:
Related Questions
if f(x)=81, what is x?
Answers
Answer:
There's not enough information...
Answer: x=0 because there is no solution that's what I got
Step-by-step explanation:
How much growth or decay does this function represent?
Answers
Answer:
it is 15 percent decay
Step-by-step explanation:
A rectangle has sides that are 1 cm and 2 cm long. If it is increased by a scale factor of 9, what will be the new area of the rectangle?
Answers
Answer:
[tex]162cm^2[/tex]
Step-by-step explanation:
The original sides are 1 and 2 centimeters, Increasing both by a factor of 9 results in 9 and 18 centimeters. We multiple to find the area is 162 square centimeters,
A boat is traveling at 43.2 m/s. It then goes down a faster part of the river and is now going 144
m/s which gave the boat an acceleration of 25.2 m/s2. How long did it take the boat to reach its
new speed?
Answers
Answer:
Step-by-step explanation:
boat was at 43.2 m/s speed increase to 144 m/s
if the boat was moving 0 m/s and increased to 144 m/s - 43.2 m/s accelerating at 25.2 m/s², it would take the same amount of time
25.2 m/s² × x seconds = (144 - 43.2) m/s solve for x in seconds
x seconds = 100.8 m/s / 25.2 m/s²
x seconds = 4 (m/s /ms²) = 4 (m/s × s²/m) = 4 seconds the units match
x = 4 seconds
This table gives the value of an investment for the first 5 years after the initial investment was made. The data can be modeled using an exponential function.
Years 1 2 3 4 5
Investment value $1,050 $1,103 $1,160 $1,215 $1,280
Based on the data, which amount is closest to the value of the investment 10 years after the initial investment?
$1,350
$1,475
$1,625
$1,800
Answers
Answer:
C.) $1,625
Step-by-step explanation:
Going by the numbers on the graph, you can immediately tell $1,350 and $1,475 are way too low, so cancel those out and you get $1,625 and $1,800
From here, you can see that in 5 years it hasn't gone up by far, so it won't be 1,800$ by 10 years end, making the answer clear
You can just double 280 and get 560, which the closest answer is 1,625
It's really just a high-low estimate question, 2 answers are too high or low, one is close but not really, and one is just right- or inbetween
$1,625
The amount $1625 is closest to the value of the investment 10 years after the initial investment option third is correct.
What is an exponential function?It is defined as the function that rapidly increases and the value of the exponential function is always a positive. It denotes with exponent [tex]\rm y = a^x[/tex]
where a is a constant and a>1
Let's suppose the exponential function that model the problem is:
[tex]\rm y = ae^k^x[/tex]
Plug x = 1 and y = 1050
[tex]\rm 1050 = ae^k[/tex] ...(1)
Plug x = 2 and y = 1103
[tex]\rm 1103 = ae^2^k[/tex] ...(2)
Divide equation (2) with (1)
[tex]\rm e^k = 1.0504[/tex]
Taking ln to get the value of k
k = 0.0491
a = 999.69
The exponential function:
[tex]\rm y = (999.6902)e^{0.0491}^x[/tex]
Plug x = 10 years in the above function:
y = $1633.44
Which is close to $1625
Thus, the amount $1625 is closest to the value of the investment 10 years after the initial investment option third is correct.
Learn more about the exponential function here:
brainly.com/question/11487261
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Calculate the angles of a parallelogram if the sum of the three angles is 310°
Answers
9514 1404 393
Answer:
adjacent angles are 50° and 130°
Step-by-step explanation:
The sum of all 4 angles in a parallelogram is 360°, so the fourth angle must be ...
360° -310° = 50°
Adjacent angles are supplementary, so the other two angles must be ...
180° -50° = 130°
The angles in the parallelogram are either 50° or 130°. Adjacent angles are different.
Andrew bought 24 carpet tiles and 3 tins of paint.
The total cost was £100.20. Each tin of paint cost £13.16.
Find the cost of one carpet tile.
Answers
Answer:
Cost of one carpet tile = (Total cost-3*tin of paint cost)/24
=(100.20-3*13.16)/24=2.53
Hope this helps <3
Answer: £2.53
13.16 x 3 = 39.48
100.20 / 39.48 = 2.53
25 increased to 32..........
Answers
I nEeD hElP!!!!!!!! I WILL GIVE 20 PONITSSSS
The points (-2, -2) and (2,3) are Proportional as a line graph
True or Flase
Answers
Answer:
True if im not mistaken
Step-by-step explanation:
Answer:
True
Step-by-step explanation:
This is because when you look at the graph you see that when you line it up, it lines up with each other
A has a slope of 3 and passes through the point (2,14). B has a slope of 3 and passes through the point (5, 23). ich of the following statements is true about the system of equations represented by line A and line B? A. The system of equations has exactly two real solutions. OB. The system of equations has no real solutions. OC C. The system of equations has an infinite number of real solutions. OD. The system of equations has exactly one real solution.
Answers
Answer:
3 divide by 2 and 14?
3 divide by 5 and 23?
Step-by-step explanation:
let me know if I'm wrong
High interest rates on savings accounts encourage people to _____. A. spend less B. save less C. save more D. spend more
Answers
Answer:
save more because if they saved more the more money
Step-by-step explanation:
trust
If a measurement were given, could you know if it represented a perimeter, an area, or a volume?
Answers
Answer:
I mean, sure
Step-by-step explanation:
usually after the number theres a unit and an number next to it indicating the dimension it works in
so like perimeter is x cm^1
area is x cm^2
volume is x cm^3
A show uses 12 gallons of water in three minutes complete the table and the graph.
Answers
Answer:
2 mins= 8 gallons 3 mins= 12 gallons 4 mins= 16 gallons 5 mins= 20 gallons 6 mins= 24 gallons
Step-by-step explanation:
12 divided by 3 equals 4 so just multiply 4 by each minute
A sphere has a radius 2.7 centimeters, What is its volume to the nearest cubic centimeter
Answers
Answer:
82.447957600811
Step-by-step explanation:
Felix has a bucket of golf balls. The table shows the number of golf balls of each color in the bucket.
Felix selects a golf ball at random. Based on the information in the table, which statement is true?
Answers
Answer:
Step-by-step explanation:
if you see a person that sends you a sketchy link dont click it is an ip grabber.
Answer:
the probability of you getting a green ball is high
Which is closest to the volume of the rectangular solid below?
6.98 feet
4.12 feet
3.78 feet
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PLEASE HELP!!!!
If u give me the answer I will post another question for u worth ALOT of points just so rn I don't get scammed :(
How would you write the rules for solving fraction expressions?
A)- Addition
B)- Subtraction
C)- Multiplication
D)- Division
Answers
Answer:
multiplication
Step-by-step explanation:
Answer: multiplication
We can multiply two fractions with different denominators, but we cannot add and subtract them.
Plz help don’t understand
Answers
Answer:
s = 2.5w + 10
Step-by-step explanation:
You have $10.00. Each week you save $2.50. The number of weeks you save w increases your savings s. Write an equation relating your savings s to the number of weeks you save w.
Your total savings (s) =
How many weeks you have been saving * how much you earn every week + the amount of money you already have.
So, the final equation should be:
w * 2.5 + 10 = s
Simplify.
s = 2.5w + 10
I hope this helps! Feel free to ask any questions!
What is the volume of a cone with a diameter of 20in and a height of 6in
Answers
Answer: You have a cylinder with a 5 inch diameter and it's 6 inches high. What is the volume of this cylinder?
The volume of a cylinder 5 inches in diameter and 6 inches high is 117.81 cubic inches.
Step-by-step explanation:
(5 Inch Diameter Divided by 2) = 2.5 Inch Radius
2.5 Inch Radius × 2.5 Inch Radius = 6.25
6.25 × 6 Inches Height = 37.5
37.5 × 3.14159 = 117.809625 Cubic Inches
Additional Conversion Information:
Convert cubic inches to cubic centimeters: 1 Cubic Inch = 16.387064 Cubic Centimeters
117.809625 Cubic Inches × 16.387064 = 1930.55 Cubic Centimeters
Convert cubic inches to liters: 1 Cubic Inch = 0.016387064 Liters
117.809625 Cubic Inches × 0.016387064 = 1.9305 Liters
finish the proof pls help
Answers
Answer:
3.since two base side are equal
4.sum of interior angle of the triangle is 180
9.base angle of isosceles triangle
16.the inscribed angle from the diameter is 90°
21.being CAE=90°
SIMPLE > Simplify. 4√27 + 6√75 Enter your answer, in simplest radical form...
Answers
Answer:
42√3
Step-by-step explanation:
4√27 = 4√(9)(3) = 12√3
6√75 = 6√(25)(3) = 30√3
12√3 + 30√3 = 42√3
If x = 3 units, y = 6 units, and h = 5 units, find the area of the parallelogram shown above using decomposition.
Answers
Answer:
12 square units
Step-by-step explanation:
Hope it helps
Briana biked 2.82 miles on Monday, 3.75 miles on
Wednesday, and 2.13 miles on Friday.
Which statement correctly compares an estimate of the
total distance with the exact total distance that Briana
biked?
A. The estimate 2 + 3 + 2 is smaller than the exact
answer but is within 1 mile.
B. The estimate 2 + 4 + 2 is greater than the exact
answer but is within 1 mile.
C. The estimate 3+ 4+ 2 is smaller than the exact
answer but is within 1 mile.
D. The estimate 3 + 4 + 2 is greater than the exact
answer but is within 1 mile.
Answers
Answer:
D.)
Step-by-step explanation:
[tex]2.82+3.75+2.13=8.7[/tex]
[tex]3+4+2=9[/tex]
9 is greater than 8.7 but it is still 1 mile of the correct value.
plz mark me brainliest. :)
Your bill for lunch was $12.86. How much would 20% tip be? What would your total be with tip included? Explain how you used math to come to your decision.
Answers
20% Tip = $2.58 Total Amount: $15.43
Step-by-step explanation:
An easy way to solve a problem, where the percentage ends in a 0, is to find 10% of the original number. 12.86 is our starting number, so finding 10% of that is simply moving the decimal place 1 to the left, making 10% = 1.29.
To find 20% Just Multiply 1.28 (10%) by 2, which is 2.58. Add this amount to 12.86 and you get $15.43.
Another way to solve the problem is simply to multiply $12.86 * 1.20, which would give you $15.43 as well.
Answer:
fart
Step-by-step explanation:
fart better and faster and smellyer
What is the value of x?
Enter your answer in the box.
x =
Answers
Answer:
x = 4
I hope this helps
Deion is purchasing cat food. The brand he plans to buy comes in two seizes.
•The small bag weighs 3 pounds,
•the large bag weighs 8 pounds
Last time, Deion purchased the small bag that weighs 3 pounds, which costs 15$. This time, he is planning on buying the large bag that weighs 8 pounds. If both bags cost the same amount per pound, how much total (in dollars) does the large 8-pound bag of cat food cost?
Answers
Answer:
40
Step-by-step explanation:
15 divided by 3 is 5
so each pound is 5 dollars.
now do 5 times 8
that gives you 40
the big bag is 40 dollars
A rectangular prism has a volume of 126 in. Each base has a length of 7 in and a width of 6 in.
What is the height of this prism?
A) 3 in
B) 5 in
C) 4 in
D) 6 in
Answers
Answer:
answer is A 3 in
Step-by-step explanation:
Complete the following statements using m(x) = x² and n(x) = x – 3.
m(n(x)) = m(x – 3)
= (
x – 3
)²
n(m(x)) = n(x²)
= x² –
Because m(n(x)) is
n(m(x)), the composition of m and n is not commutative.
Therefore, function composition is not commutative.
Answers
Answer:
0
Step-by-step explanation:
Answer:
person above is right it's 0
Step-by-step explanation:
Evaluate the expression 2bc2 for b = 1.5 and c = 5
Answers
Answer:15
Step-by-step explanation:
The value of the given expression 2bc² for b = 1.5 and c = 5 will be 75.
What is an expression?A mixture of variables, numbers, addition, subtraction, multiplication, and division are called expressions.
A statement expressing the equality of two mathematical expressions is known as an equation.
As per the given expression,2bc²
Put b = 1.5 and c = 5,
2(1.5)(5)² = 3 x 25 = 75
Hence "The value of the given expression 2bc² for b = 1.5 and c = 5 will be 75".
To learn more about expression,
https://brainly.com/question/14083225
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Which point shows 1/8
Answers
Answer:
where the photo
Step-by-step explanation: