Answer:
it is the first one and the last one
Step-by-step explanation:
what is -x-2
Please help me!
Answer:
I think that it might be a type-o on the assignment. If I was you I would email your teacher.
Divide write the quotient in lowest terms. 3/5 divided by 2 1/2.
Answer:
6/25
Step-by-step explanation:
turn whole number to improper fraction
3/5 divided by 5/2
keep the first fraction the same
change the division to multiplication
flip the last fraction around
3/5 x 2/5
6/25
Answer:
Step-by-step explanation:
3/5 / 5/2
3/5 * 2/5
3/2 = 1 1/2
Help I don’t understand
Step-by-step explanation:
Answer:
1 pounds
Step-by-step explanation:
It basically means theres 1000 things that all weigh the same, so they add up to 0.1 pounds (0.1/1000= 0.00001 ) All you need to do is multiply by 10 so it would be 1 pound :)
A new linear temperature scale, degrees Zunzol ( ∘Z ), is based on the freezing point and boiling point of a newly discovered compound zunzol. The freezing point of zunzol, −87.9 ∘C, is defined as 0 ∘Z, and the boiling point of zunzol, 82.2 ∘C, is defined as 100 ∘Z.
What is the freezing point of water in degrees Zunzol?
freezing point:
What is the boiling point of water in degrees Zunzol?
boiling point:
From the linear equation showing the relation of the celsius and zunzol scale, we found that for water, the freezing point is 518.61 °Z and the boiling point is 577.61 °Z.
What is a linear equation?
Equations whose variables have a power of one are called linear equations. One example with one variable is where ax+b = 0, where a and b are real values and x is the variable.
Given,
The freezing point of zunzol = - 87.9°C = 0°Z
The boiling point of zunzol = 82.2°C = 100°Z
We are asked to find the freezing and boiling points of water in degrees zunzol.
The linear equation graph showing the relation between celsius and zunzol has two points on them.
They are (-87.9,0) and (82.2,100).
Using these two points, we can write a linear equation.
the slope of line = m = 100-0 / 82.2 - (-87.9) = 100/170.1 = 0.59
The linear equation is:
y - 0 = 0.59(x + 879)
y = 0.59x + 518.61
where x = temperature in celsius
y = temperature in zunzol
Using this linear equation, we can find the freezing and boiling points of water in degrees zunzol.
Therefore from the linear equation,
the freezing point = 0.59 * 0 + 518.61 = 518.61 °Z
the boiling point = 0.59 * 100 + 518.61 = 577.61 °Z
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Malcolm has $50 gift card to a local car wash and order is the ultimate car wash each visit is $8.95
The amount cheaper is the car washes Malcolm orders than the car washes Martha's order is $13.
The correct answer choice is option B.
How much cheaper is the car washes Malcolm orders than the car washes Martha's order?Malcolm's gift card = $50.
Cost Malcolm's car wash per visit = $7
Martha's gift card = $180
Cost Martha's car wash per visit = Difference between gift card balance of first and second visit
= $180 - $160
= $20
How cheap is the car washes Malcolm orders than the car washes Martha's order = $20 - $7
= $13
Therefore, Malcolm's car wash is cheaper than Martha's car wash by $13
The complete question is attached in the diagram.
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Barbie's passbook savings account started out with $120.00 as last month's balance. Since then, she has made two deposits of $25.67 and $133.54, a withdrawal of $145.00, and interest added of $3.60. What is her current balance?
Given data:
Barbie's passbook savings = $120.00
She made two deposites that is $25.67 and $133.54
Interest added = $3.60
Withdrawl = $145.00
Barbie's current balance = savings + deposites + interest - withdrawl
= 120.00 + 25.67 + 133.54 + 3.60 - 145.00
=
please help solve this question
Answer: B and C
Step-by-step explanation:
What the meaning of "f is order-preserving if x < y implies f(x) < f(y)"?
An order-preserving function is a function that preserves the order of its inputs. In other words, if x is less than y, then f(x) will be less than f(y).
The statement "f is order-preserving if x < y implies f(x) < f(y)" means that if x is less than y, then f(x) must be less than f(y). This is a necessary condition for a function to be order-preserving. However, it is not a sufficient condition. For example, the function f(x) = x^2 is not order-preserving, because 2 < 3, but f(2) = 4 > f(3) = 9.
In summary, order-preserving functions are useful in situations where we need to preserve the order of a set of data.
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In 2009, there were 12,078 Burger King restaurants; in 2017, there were 16,717 Burger King restaurants. Calculate the average rate of change (slope) for the number of Burger King restaurants over this time period.
PLS HELP ME
Slope of the given data is 579.88
What is Slope?The slope of a line is defined as the change in y coordinate with respect to the change in x coordinate of that line.
Here, given data;
x₁ = 2009 y₁ = 12078 burger
x₂ = 2017 y₂ = 16717 burger
Now, Slope = (y₂ - y₁)/(x₂ - x₁)
Slope = (16717 - 12078) / (2017 - 2009)
Slope = 4639 / 8
Slope = 579.88
Thus, Slope of the given data is 579.88
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how to calculate with pie squared?
Answer:
I assume you mean pi (π) squared, which is π^2. Calculating with π^2 is similar to calculating with any other number, except that you use π^2 instead of a regular number. Here are a few examples:
Example 1: Find the circumference of a circle with radius 5π.
The formula for the circumference of a circle is C = 2πr, where r is the radius. Substituting 5π for r, we get:
C = 2π(5π) = 10π^2
Therefore, the circumference of the circle is 10π^2.
Example 2: Find the area of a circle with diameter 3π.
The formula for the area of a circle is A = πr^2, where r is the radius. Since the diameter is 3 times the radius, we have:
r = (1/2)(3π) = (3/2)π
Substituting this into the formula, we get:
A = π((3/2)π)^2 = (9/4)π^3
Therefore, the area of the circle is (9/4)π^3.
In general, whenever you see π^2 in a formula, you can just substitute it for the regular number. Keep in mind that π is an irrational number (it goes on forever without repeating), so you may need to use an approximation like 3.14 or 22/7 depending on the level of accuracy required in your calculations.
Step-by-step explanation:
explanation included above with examples.
Which expressions have a value of -1/64?
Answer:
Step-by-step explanation:
Please, share any answer choices that were given to you.
-1 -1 -1
-1/64 is equivalent to -------- and ---------- and ---------
4^3 2^6 8^2
Which table shows a data o for an antenna that revolves at exactly twice the rate of the antenna described in the graph?
The table shows a data for an antenna that revolves at exactly twice the rate of the antenna described in the graph is Table D.
How to illustrate the rate?The formula to calculate the rate will be:
= Change in revolution/Change in time
The rate of the given antenna will be:
= (60 - 30)/(4 - 2)
= 30/2
= 15
Also, the rate of antenna 1 is 23, antenna 2 is 25, antenna 3 is 2. The rate for antenna 4 will be:
= (720 - 660)/(24 - 22)
= 60/2
= 30
It can be seen that 30 is double of 15.
Therefore, table D revolves at exactly twice the rate of the antenna.
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A magazine company estimates that its monthly cost isC(x) = 700x2 + 400x and its monthly revenue isR(x) = -0.4x3 + 900x2 2002 + 600, where x is in thousands ofmagazines sold. The profit is the difference between the revenue and thecost.What is the profit function, P(x)?A. P(x) = -0.4x3 + 1600x2 + 200x + 600B. P(x) = -0.4x3 + 200x2 – 600x + 600O C. P(x) = 0.4x3 + 200x2 – 600x + 600O D. P(x) = 0.4x3 – 200x2 + 600x – 600
By definition the profite function is the difference between the revenue and the cost, then:
\(\begin{gathered} P(x)=R(x)-C(x) \\ =-0.4x^3+900x^2-200x+600-(700x^2+400x) \\ =-0.4x^3+900x^2-200x+600-700x^2-400x \\ =-0.4x^{3^{}}+200x^2-600x+600 \end{gathered}\)Therefore the answer is B.
Consider the function f(x)=x² + 7x. Form an expression for f(a). f(a)=
The value of the expression f(a) is f(a) = a^2 + 7a, based on the given function f(x) = x^2 + 7x and the value x = a
How to form the expression for f(a)?The given parameters in the question are:
f(x) = x^2 + 7x and
x = a as in f(a)
This means that the equation of the function f(x) is given as:
f(x) = x^2 + 7x
To calculate the value of the function f(a), we simply substitute a for x in the equation of the function f(x) = x^2 + 7x.
This means that we set x to a in the equation of the function f(x) = x^2 + 7x.
So, we have;
f(a) = a^2 + 7a
The above equation cannot be further simplified or expanded
So, we conclude that
Based on the given function f(x) = x^2 + 7x and the value x = a, the value of the expression f(a) is f(a) = a^2 + 7a
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Simplify 1/4 (8m - 4n) + 1/3 (6m + 3n).
100 POINTS PLEASE HELP FAST
Select the correct answer.
The weight of a radioactive isotope was 96 grams at the start of an experiment. After one hour, the weight of the isotope was half of its initial weight. After two hours, the weight of the isotope was half of its weight the previous hour. If this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time?
The top left graph represents the weight of the radioactive isotope over time.
How to define an exponential function?An exponential function has the definition presented according to the equation as follows:
\(y = ab^x\)
In which the parameters are given as follows:
a is the value of y when x = 0.b is the rate of change.The parameter values for the function in this problem are given as follows:
a = 96, b = 0.5.
Hence the function is given as follows:
\(y = 96(0.5)^x\)
Two points on the graph of the function are given as follows:
(1,48) and (2, 24).
Hence the top left graph represents the weight of the radioactive isotope over time.
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Answer:
Graph W
Step-by-step explanation:
The given information describes a radioactive decay process, where the weight of the isotope decreases by half at regular intervals. This type of decay is characteristic of exponential decay.
Based on the description, the graph that represents the weight of the radioactive isotope over time would be a decreasing exponential curve, where the y-axis represents the weight of the isotope (in grams), and the x-axis represents time (in hours).
The initial weight of the isotope is 96 grams, and after each subsequent hour, the weight becomes half of what it was in the previous hour. Therefore, the correct graph would start at 96 grams (the initial weight when x = 0) and then decrease by half every hour. It would be a curve that gets closer and closer to zero but never quite reaches it.
Initial weight: 96 grams
After 1 hour: 96 / 2 = 48 grams
After 2 hours: 48 / 2 = 24 grams
After 3 hours: 24 / 2 = 12 grams
After 4 hours: 12 / 2 = 6 grams
After 5 hours: 6 / 2 = 3 grams
So, the points on the graph would be:
(0, 96), (1, 48), (2, 24), (3, 12), (4, 6), (5, 3)Therefore, the graph that represents the weight of the radioactive isotope over time is Graph W.
Help me help me help me help me… but ignore the 21.5 that was wrong
Answer:
16.2
Step-by-step explanation:
a²+b²=c²
a=10, b=y, c=19
100+y²=361
y²=361-100
y²=261
√y²=√261
y=√261
y=16.2
Joshua rents an apartment in an all-brick building in the city. The value of the
belongings in the apartment is about $25,000. If Joshua wants to insure his
belongings while renting, how much will he have to pay for insurance per
year?
Annual Premium per $100 of coverage
Brick
Steel
Mixed
Wood
Area
Building Contents Building Contents Building Contents Building Contents
rating
10.39 0.43 0.5
0.54
0.55 0.65 0.66 0.76
Suburb | 0.45 0.52 0.56 0.63 0.72 0.74 0.83 0.85
Rural 0.6 0.69 0.71 0.8 0.89 0.91 1
1.02
City
A. $107.50
B. $150.00
C. $173.50
D. S178.65
Answer:
107.5Step-by-step explanation:AOPED
Is this the correct sum, be honest pls.
Answer:
the answer is B. the sum will be close to ½
½= 14/28
1/4 + 2/7
= (7+8)/28
= 15/28
so, the answer is B
Step-by-step explanation:
hope it helps you
brainliest plz
A bag contains 5 red and 3 bluearble. Two marbles are drawn simultaneously from the bag. DETERMINE the probability that at least one is red.
Answer:
5/8
Step-by-step explanation:
TOPIC=Rearranging
Task:Make x the subject of these equations
6x + v = 4x + w
ax + 9 = 2x + b
7x - w = vx+4
6 - wx = vx + 4
3(wx-v) = 4(x+v)
All the solutions are,
⇒ x = 1/2 (w- v)
⇒ x = (b - 9)/(a - 2)
⇒ x = (4 + w) / (7 - v)
⇒ x = 2 / (v + w)
⇒ x = 7v/(3w - 4)
Given that;
Expressions are,
⇒ 6x + v = 4x + w
⇒ ax + 9 = 2x + b
⇒ 7x - w = vx+4
⇒ 6 - wx = vx + 4
⇒ 3(wx - v) = 4(x + v)
We can simplify as;
⇒ 6x + v = 4x + w
⇒ 6x - 4x = w - v
⇒ 2x = w - v
⇒ x = 1/2 (w- v)
⇒ ax + 9 = 2x + b
⇒ ax - 2x = b - 9
⇒ (a - 2)x = b - 9
⇒ x = (b - 9)/(a - 2)
⇒ 7x - w = vx+4
⇒ 7x - vx = 4 + w
⇒ (7 - v) x = 4 + w
⇒ x = (4 + w) / (7 - v)
⇒ 6 - wx = vx + 4
⇒ vx + wx = 6 - 4
⇒ (v + w)x = 2
⇒ x = 2 / (v + w)
⇒ 3(wx - v) = 4(x + v)
⇒ 3wx - 3v = 4x + 4v
⇒ 3wx - 4x = 7v
⇒ (3w - 4)x = 7v
⇒ x = 7v/(3w - 4)
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John bought 2 CDs that were the same price.Including sales tax,he paid a total of $33.60.Each CD has a tax of $1.30.What was the price of each CD before tax?
Use Pascal's Triangle to expand (x^2-3y)^4
Answer
The expanded form of (x²-3y)⁴ using Pascal's Triangle is x⁸ - 12x⁶y² + 54x⁴y⁴ - 108x²y⁶ + 81y⁸.
What is Pascal's triangle?Pascal's Triangle is a triangular array of numbers in which the value in each cell is the sum of the two numbers directly above it.
To expand the given expression (x²-3y)⁴ as per Pascal's triangle:
First, write down the fourth row of Pascal's Triangle as:
1 4 6 4 1
The above numbers represent the coefficients of the terms in the expansion of (a+b)⁴, where a is x² and b is -3y. Therefore, it can be written as,
1×(x²)⁴ + 4×(x²)³×(-3y) + 6×(x²)²×(-3y)² + 4×(x²)(-3y)³ + 1(-3y)⁴
Simplify each term,
x⁸ - 12x⁶y² + 54x⁴y⁴ - 108x²y⁶ + 81y⁸
Therefore, the expanded form of (x²-3y)⁴ using Pascal's Triangle is x⁸ - 12x⁶y² + 54x⁴y⁴ - 108x²y⁶ + 81y⁸.
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Help please I dont understand thank uuuu
A. The velocities are given as follows:
Devron: 45 miles per hour.Avery: 60 miles per hour.B. The graph is given by the image presented at the end of the answer.
What is a proportional relationship?A proportional relationship is defined as follows:
y = kx.
In which k is the constant of proportionality.
From the table, Devron's rate is given as follows:
k = 180/4
k = 45 miles per hour.
Hence the equation is of:
y = 45x.
For Avery's equation of y = 60x, the rate is of 60 miles per hour.
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Question 16 of 50
The point (1, -4) is a solution of the system:
x + 2y = -7
-4y = -x
True
False
Answer:
False
Step-by-step explanation:
1 + 2 (-4) = -7
1 - 8 = -7
-7 = -7
-4 (-4) = -1
16 = -1
Write a cubic function whose graph is shown.
(-3,0)
(-6,0)
(3, 0)
(0,-9)
Answer:
\(\displaystyle f(x)=\frac{1}{6} x^3+x^2-\frac{3}{2} x-9\)
Step-by-step explanation:
Given: Triangle ABC, mmBC=24 cm, line segment AL- < bisector
Find: AL
AL= __cm
Please answer in detail ASAP thank you so much it would help a lot <3
The value of line AL is 21. 51cm
How to determine the lengthTo find line AL,
Using
Sin α = opposite/ hypotenuse to find line AB
Sin 90 = x/ 24
1 = x/24
Cross multiply
x = 24cm
Now, let's find line AC
Sin angle B = line AC/24
Note that to find angle B
angle A + angle B + angle C = 180
But angle B = 2 Angle A
x + 2x + 90 = 180
3x + 90 = 180
3x = 180-90
x = 30°
Angle B = 2 × 30 = 60°
Sin 60 = x/ 24
0. 8660 = x/24
Cross multiply
x = 24 × 0. 8660
x = 20. 78cm
We have the angle of A in the given triangle to be divide into two by the bisector, angle A = 15°
To find line AL, we use
Cos = adjacent/ line AL
Cos 15 = 20. 78/ line AL
Line AL = 20. 78/ cos 15
Line AL = 20. 78 / 0. 9659
Line AL = 21. 51 cm
Thus, the value of line AL is 21. 51cm
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A water storage tank has the shape of a cylinder with diameter 22 ft. It is mounted so that the circular cross-sections are vertical. If the depth of the water is 21 ft, what percentage of the total capacity is being used?
The percentage of the total capacity being used is mathematically given as 98.4 %
What percentage of the total capacity is being used?Generally, the equation for the Lateral area is mathematically given as
Lateral area =\(\frac{\theta}{2} \gamma^2-(\gamma-h) \sqrt{h(2-h)}\\\)
Where
\(\theta=2 \cos ^{-1}\left(1-\frac{h}{\gamma}\right)=2 \cos ^{-1}\left(1-\frac{1}{11}\right)\\\\\&\Rightarrow F=\frac{\theta}{2}(11)^2-(11-1) \sqrt{1(2-1)}\\\\&\Rightarrow F=\frac{2\left(\cos ^{-1}(10 \% 11)\right.}{2}(11)^2-(10) \sqrt{1}\\\\&\Rightarrow F=6.167 \mathrm{ft}^2\)
Hence Volume of the whole cylinder is
V=\pi 11^2 l
V=121 \pi l
Generally, the equation for Total capacity is mathematically given as
\(V_1=\pi(11)^2 L\)
\(=121 \pi 2ft^2\)
Area of cross-section:-
\(\begin{aligned}A &=\int_{-11}^{10}\left[\sqrt{1^2-y^2}-\left(-\sqrt{u^2-y^2}\right)\right] d y \\&=2 \int_{-71}^{10} \sqrt{1^2-y^2} d y . \\A & \cong 373.96 \mathrm{ft}^2\end{aligned}\)
In conclusion, the Percentage of total capacity
\(\% TC=\frac{121 \pi l-6.167 l}{121 \pi l} \times 100 \\\)
\(\% TC =\frac{373.77}{3799+100}=98.37 \%\)
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8x - 8 = 7x simplified down
Step-by-step explanation:
Hope my answer helps mark me brainliestAnswer:
x = 8
Step-by-step explanation:
Step 1: Subtract 7x from both sides.
8x−8−7x=7x−7x
x−8=0
Step 2: Add 8 to both sides.
x−8+8=0+8
x=8
HGD
-ghost
If p + 2q = 20, what is the value of 101p + 202q?
Answer:
bhvigjcgujj
Step-by-step explanation: