Answer:
The answer is 56
Step-by-step explanation:
Each day, twenty-five percent of the oil in my car leaks out. if it starts with four liters, how many liters of oil are left at the end of two days?
Answer:
2 liters of oil are left at the end of two days
Step-by-step explanation:
Quantity of oil that leaks = 25% of 4 liters
= 0.25 * 4
= 1.00 = 1 liter per day
2 liters of oil leaks for 2 days
Quantity of oil left at the end of two days = 4 - 2 = 2 liters
Write an explicit formula for each sequence given below.
Part A
1,-10, 100,-1,000, 10,000
Explicit Formula: In =
Part B
10.2, 2.2, -5.8, -13.8, -21.8
Explicit Formula: an =
Answer:
The first five values are 12, 14, 16, 18 and 20
The recursive formula is as follow
Step-by-step explanation:
Since we need to find the first 5 values we start with n = 1 to n = 5. Note that we don't start from n = 0 as the question states that n ≥ 1.
For the first 5 values we just replace the value of n with 1, 2, 3, 4 and 5 and calculate the answer
The first five values are 12, 14, 16, 18 and 20
A recursive formula is one that
a) Mentions the initial term
b) provides a formula connecting the previous term to the existing term.
Since we know the first term is 12, i.e and we know that the difference between consecutive terms is 2 we can conclude that the recursive formula is made up of the following two formulas
The over all formula is as follow
Step-by-step explanation:
Hope this helps:)
help please
what is the product?
Answer:
−10x4+17x2y−6y2-10x4+17x2y-6y2
or the second option
(1/2x+7)-(2x+14) what is the simpilest form please explain
Answer:
−3/2x−7
Step-by-step explanation:
1/2x+7−(2x+14)
1/2x+7+−1(2x+14)
1/2x+7+−1(2x)+(−1)(14)
1/2x+7+−2x+−14
Combine Like Terms:
1/2x+7+−2x+−14
(1/2x+−2x)+(7+−14)
Answer:
7 = 2x - 4x + 14.
Step-by-step explanation:
Sarah and Jack go shopping Jack spends 20 percent of his money and Sarah spends 1/4 of her money how spends more?
Juan randomly surveys students in the seventh grade to learn about their favorite type of music. Of 30 respondents, 8 liked to listen to rap mus Part A Based on Juan's data, how many of the 150 students in seventh grade like to listen to rap music?
Answer: 40
Step-by-step explanation:
150 / 30 = 5
8 x 5 = 40
40 of 150 students is equivalent to 8 of 30 students.
i need a bit of help here
The angle m∠BAC is 54 degrees.
How to find an arc angle?If two chords intersect inside a circle, then the measure of the angle formed is one half the sum of the measure of the arcs intercepted by the angle and its vertical angle.
Therefore, let's find the angle BAC.
Hence,
10x + 4 = 1 / 2 (12x + 15 + 9x - 12)
10x + 4 = 1 / 2 (21x + 3)
10x + 4 = 10.5x + 1.5
10x - 10.5x = 1.5 - 4
-0.5x = -2.5
divide both sides by -0.5
x = -2.5 / -0.5
x = 5
Therefore,
m∠BAC = 10(5) + 4
m∠BAC = 50 + 4
m∠BAC = 54 degrees
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Find the measure of the indicated angle.
Round to the nearest tenth degree.
Answer:
∅ = 40.3°
General Formulas and Concepts:
Trigonometry
cos∅ = adjacent over hypotenuseStep-by-step explanation:
Step 1: Define
Looking for m∠A
Step 2: Identify
adjacent leg of ∠A = AC = 7.4
hypotenuse = AB = 9.7
Step 3: Find theta
Substitute: cos∅ = 7.4/9/7Take trig inverse: ∅ = cos⁻¹(7.4/9.7)Evaluate: ∅ = 40.2807°Round: ∅ = 40.3°You can use the equation A =(HW/3600)^1/2
to approximate a person's body surface area A (in square meters), where H
is height (in centimeters) and W is weight (in kilograms). Approximate the body surface area of a person with a height
of 160 centimeters and a weight of 64 kilograms.
Body surface area:______
m²
The body surface area is given by the equation A = 1.6865 m²
What is an 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.
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 data ,
Let the body surface area be represented as A
Now , the equation will be
A = ( HW / 3600 )^1/2
A = √( HW / 3600 ) be equation (1)
where H is the height in centimeters and W is the weight in kilograms
Now , the value of H = 160 cm
The value of W = 64 kg
Substituting the values in the equation , we get
A = √ [ ( 160 x 64 ) / 3600 ]
On simplifying the equation , we get
A = √ ( 10240/3600 )
A = √ ( 2.8444 )
A = 1.6865 m²
Therefore , the body surface area is 1.6865 m²
Hence , the equation is A = 1.6865 m²
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Please help with this
Answer:
x = 5
Step-by-step explanation:
The sides are in proportion.
The proportion is 20/36
The other sides must be in the same proportion: 5x / 45
5x/45 = 20/36 You can reduce the left side by dividing top and bottom by 5
1x / 9 = 20/36 You can reduce the right side by dividing by 4
x / 9 = 5/9 at this point you should be able to see that x = 5, because the denominators are the same.
That is the answer.
However you can extend this by cross multiplying
9x = 45 Divide by 9
x = 45/9
x = 5
please solve thanks
find the difference -11 - -5, 25 - (-3) ,-7 - (-2), 4 - 15, 6 - (-9)
Answer:
-11-(-5)= -6
25-(-3)= 28
-7-(-2)= -5
4-15= -11
6-(-9)= 15
Find m angle c 14.5in 97.5 degrees and 13.7in (please solve step for step pleasee )
Based on law of sine, the value of angle C is equal to 94.5 degree.
For any triangle ABC, with side measures |BC| = a. |AC| = b. |AB| = c,
we have, by law of sines,
\(\dfrac{sin\angle A}{a} = \dfrac{sin\angle B}{b} = \dfrac{sin\angle C}{c}\)
\(\dfrac{\sin(angle)}{\text{length of the side opposite to that angle}}\)
we have, by law of sines,
We will use the law of sines to find c as;
sin c sin 97.5
--------------- = -------------
14.5 13.7
(13.7)sin c= 14.5 sin 97.5
sin c = 14.5 sin 97.5 / (13.7)
sin c = - 0.1168
Angle c = 94.5
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Help is appreciated ❤
Simplify the radical expression -2 √250
Answer:
-10 sqrt(10)
Step-by-step explanation:
-2 sqrt(250)
We know that sqrt(ab) = sqrt(a) sqrt(b)
-2 sqrt(25*10)
-2 sqrt(25)*sqrt(10)
-2 *5*sqrt(10)
-10 sqrt(10)
Simplify the expression 2y+8(y+1)+5(x+5)
Answer:
\(7x+8y+33\)
Step-by-step explanation:
\(2y+8(y+1)+5(x+5)\\\\2y+(8)(y)+(8)(1)+(5)(x)+(5)(5)\\\\2y+8y+8+5x+25\\\\7x+8y+33\)
The velocity function, in feet per second, is given for a particle moving along a straight line.
v(t) = t2 − t − 182, 1 ≤ t ≤ 15
(a) Find the displacement
(b) ) Find the total distance that the particle travels over the given interval.
Answer:
a)2
B)2
Step-by-step explanation:
Factor out the greatest common factor from the expressions below to find an equivalent ex
pression. (Hint First combine the like terms and them find the GCF and factor the expression
4 16p+5+9p+25
The solution is, the Factor out the greatest common factor from the expression is 5(5p+6).
What is GCF?The greatest common factor (GCF) of a set of numbers is the largest factor that all the numbers share. For example, 12, 20, and 24 have two common factors: 2 and 4. The largest is 4, so we say that the GCF of 12, 20, and 24 is 4. GCF is often used to find common denominators.
here, we have,
given expression is,
16p+5+9p+25
=25p+30
=5(5p+6)
Hence, The solution is, the Factor out the greatest common factor from the expression is 5(5p+6).
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1 over blank = 2 over 10 = blank over 100
Answer:
\(\frac{1}{5}\) = \(\frac{2}{10}\) = \(\frac{20}{100}\)
Step-by-step explanation:
It's all about equivalent fractions.
\(\frac{1}{5}\)
\(\frac{2}{10}\)
\(\frac{20}{100}\)
\(\frac{1}{5}\) 1 × 2 = 2. 5 × 2 = 10. That is what makes \(\frac{2}{10}\).
\(\frac{2}{10}\) 2 × 10 = 20. 10 × 10 = 100. That is what makes \(\frac{20}{100}\).
If a new video game costs the store $25 and they sell it for 37.50, what was the percent markup?
The percent markup of the supplied statement is equal to 50% after the problem is solved.
How much of a markup should I use?There isn't a predetermined "optimal" markup percentage, however most companies set their markup at 50%. A 50% markup, also referred to as "keystone," denotes a price that is 50% greater than the cost of the commodity or service.
Exactly how is markup determined?The gross profit of a unit is determined by subtracting its cost to produce or acquire for resale from its sales price to determine the markup percentage. The markup percentage is computed as (12 - 8) / 8 and equals 50% if an item is priced at $12 but costs the manufacturer $8 to produce.
According to the given information:Cost price of game=$25
Selling price of game=$37.50
Profit = selling price - cost price
Profit = 37.50 - 25
Profit / markup percentage = (profit /cost price ) * 100
= (12.50/25) * 100
= 50%
The percent markup of the supplied statement is equal to 50% after the problem is solved.
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ve the
Select all that are like radicals after simplifying.
50x2
V32x
vi8n
72x²
DONE
Answer:
\( \sqrt{50x^2} \)
\( \sqrt{72x^2} \)
Step-by-step explanation:
Simplify each given options as much as possible to see which of them has a result that is like a radical.
Option 1: \( \sqrt{50x^2} \)
\( \sqrt{25*2*x^2} = 5x\sqrt{2} \)
This is like a radical
Option 2: \( \sqrt{32x} \)
\( \sqrt{16*2*x} = 4\sqrt{2x} \)
This is NOT like a radical
Option 3: \( \sqrt{18n} \)
\( \sqrt{9*2*n} = 3\sqrt{2n} \)
This is NOT like a radical
Option 4: \( \sqrt{72x^2} \)
\( \sqrt{36*2*x^2} = 6x\sqrt{2} \)
This is like a radical
You want to place stone pavers around the edge of your concrete patio. The patio is 12 ft wide by 14 ft long and each stone paver is 14 inches long . How many stone pavers will you need to go around the patio (not counting the side against the house which is 14 ft long)? (round to the nearest whole number )
33 stone pavers are needed to go around the patio with dimension of 12 ft wide by 14 ft long
What is an equation?An equation is an expression that shows the relationship between two or more variables and numbers.
12 inch = 1 ft
Total perimeter of patio not counting the side against the house = 12 + 12 + 14 = 38 feet
38 feet = 38 feet * 12 inch per feet = 456 in
Number of stone pavers needed = 456 in / 14 in = 32.57 ≅ 33
33 stone pavers are needed to go around the patio with dimension of 12 ft wide by 14 ft long
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Before the trip, Tyler read 24 pages of his Philadelphia guidebook in an hour. The guidebook is 84 pages long. If he continued to read it at the same
rate, how long did it take Tyler to finish reading the guidebook before his family's trip?
Which order pair is a solution of y=4x-3?
Answer:
4x-y=3
Step-by-step explanation:
IT'S standard form
Write a quadratic function to model the vertical motion for each situation, given h(t) equals negative 16t squared plus v0t+h0. Find the maximum height. Initial velocity 152
The maximum height reached by the ball is 908.5 feet.
Using the given values, we can substitute v0 = 152 and h0 = 6 into the equation:
\(h(t) = -16t^2 + 152t + 6\)
This quadratic function models the height of the ball at any time t after it is thrown.
To find the maximum height of the ball, we need to find the vertex of the parabolic curve described by the quadratic function. The vertex can be found using the formula:
t = -b / 2a
where a = -16 and b = 152 are the coefficients of the quadratic function.
t = -152 / 2(-16) = 4.75
So the maximum height is reached after 4.75 seconds. To find the maximum height, we can substitute this value back into the equation:
\(h(4.75) = -16(4.75)^2 + 152(4.75) + 6 = 908.5\)feet
Therefore, the maximum height reached by the ball is 908.5 feet.
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Question
A ball is thrown vertically upward from a height of 6 feet with an initial velocity of 152 feet per second. Write a quadratic function to model the vertical motion of the ball, given that the height of the ball at time t is given by: h(t) = -16t^2 + v0t + h0
help please!! m=5 and n=2. 2m-5n!
Step-by-step explanation:
so, what's the problem ?
it's all there, we only need to take the calculator (or simply our heads) and do the calculation :
2×5 - 5×2 = 10 - 10 = 0
you see ? that was all that was needed.
put the given values for the variables into the places of these variables, and then calculate !
that is what variables are for : placeholders for actual values.
Write a sentence of the form “–––––––––––––– is a function of –––––––.”
Type your response in the space below.
"Distance traveled is a function of time." In the context of motion or travel, the distance traveled is often dependent on the amount of time that has passed.
Distance is a fundamental concept in physics and mathematics that measures the extent or length between two points.
It represents the amount of ground covered or space traveled. When we say that distance is a function of various factors, it means that different variables or parameters can influence the distance traveled.
In the context of motion or travel, the distance traveled is often dependent on the amount of time that has passed.
The sentence "Distance traveled is a function of time" expresses this relationship, indicating that the distance traveled can be determined or calculated based on the value of time.
Thus, it implies that as time changes, the corresponding distance traveled also changes, establishing a functional relationship between the two variables.
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Object A is moving at 30 ft per sec. Object B is moving at 20 mph.
Answer:
what we have to find or to prove.
Goals Scored (per game)
There is a [DROP DOWN 1] association between the amount of goals scored and the number of wins a hockey team has. Most of the data points fall between [DROPDOWN 2] goals scored and [DROPDOWN
3] number of wins. Causation (DROPDOWN 4] be established because their relationship was not in a controlled setting.
There is a Weak positive association between the amount of goals scored and the number of wins a hockey team has. Most of the data points fall between 4 goals scored and 5 number of wins. Causation cannot be established because their relationship was not in a controlled setting.
What is experiment about?When if a relationship between two variables is said to be negative, it is one that does not just necessarily mean that the association is weak. Although though both variables tend to increase in reaction to one another, a weak positive correlation depicts that the relationship is not very strong.
Therefore, even though the data tells us that there is a weak positive relationship that exist between the two variables, it is vital to know that that correlation does not equal causation.
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On average, Nancy has noticed that 18 trucks pass by her apartment daily (24 hours). In order to find the probability that more than 4 trucks will pass her apartment in a 5-hour time period using the Poisson distribution, find the average number of trucks per 5 hours. Round your answer to three decimal places, if necessary.
Answer:
the average number of trucks per 5 hours is 3.750 trucks per 5 hours
Step-by-step explanation:
The computation of the average number of trucks per 5 hours is given below:
= Number of trucks passed ÷ time taken × given time
= 18 trucks ÷ 24 trucks × 5
= 3.750 trucks per 5 hours
Hence, the average number of trucks per 5 hours is 3.750 trucks per 5 hours
The same is to be considered by applying the above formula
You are purchasing a used car for $9,000. How much interest would you pay at 9.6% APR if you had the
loan for 5 years?
One would pay $5,232.96 in interest over the 5-year loan term.
How much interest would you pay at 9.6% APR?To get interest paid on the loan, we will the formula for compound interest \(Interest = Principal * (1 + Annual Interest Rate)^{Number of Years} - Principal\)
The principal is the loan amount which is $9,000.
The annual interest rate is 9.6%
The number of years is 5.
Interest = $9,000 * (1 + 0.096)^(5) - $9,000
Interest = $9,000 * 1.58144018701 - $9,000
Interest = $5,232.96168
Interest = $5,232.96.
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