Sarah says that 19 ÷ 9 equals 9 ÷ 4 because both are "2 R1." Show her mistake using decimal division

Answer:

y=−x^2−2x+1

Step-by-step explanation:

The developer can build a maximum of 275 residential lots on the land, given the zoning regulations and the reservation of 25% of the land for streets and green space.

First, we need to find out how much land the developer has reserved for streets and green space:

25% of 80 acres = 0.25 x 80 = 20 acres

Now, we need to subtract this from the total area to get the area available for residential lots:

80 acres - 20 acres = 60 acres

Next, we need to convert the area into square feet:

60 acres x 43,560 square feet/acre = 2,613,600 square feet

Finally, we can divide the available area by the minimum required area per lot to find the maximum number of permissible lots:

2,613,600 square feet ÷ 9,500 square feet/lot ≈ 275 lots

Therefore, the developer can build a maximum of 275 residential lots on the land, given the zoning regulations and the reservation of 25% of the land for streets and green space.

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Answer:

41 large deliveries and 1 small delivery

Step-by-step explanation: Multiply 8.25 x 41 = 338.25

Then take 338.25 and add 5.50 and you should get 343.75

The scale factor of the enlargement will be 3. Then the center of enlargement is marked in the diagram.

Dilation is the process of increasing the size of an item without affecting its form. Depending on the scale factor, the object's size can be raised or lowered.

Shape A is enlarged to give shape B.

Then the scale factor of the enlargement will be

⇒ 3 / 1

Then the center of enlargement is marked in the diagram.

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Answer: 200

Step-by-step explanation:

1 Canadian dollar  buys 82c in US

1 dollar = 100c

=> 100 c  Canadian  =    82c in US

=> 100 Canadian dollar  buys 82 dollar  in US

Canadian dollar required to buy 82 dollar  in US    = 100

=> Canadian dollar required to buy 1 dollar  in US    = 100/82

=> Canadian dollar required to buy 164 dollar  in US  = 164 x 100/ 82

= 2  x 100

= 200 $

cost 200 in Canadian dollars   to buy a Walkman advertised for $164.00 in the USA

Hello !!

kᵃ x kᵇ = kᵃ⁺ᵇ

kᵃ ÷ kᵇ = kᵃ⁻ᵇ

4¹⁰ x 4⁵ ÷ 4⁹

= 4¹⁰⁺⁵ ÷ 4⁹

= 4¹⁵ ÷ 4⁹

= 4¹⁵⁻⁹

= 4⁶

The hands of a clock form a 150° angle, indicating that the time could be approximately 5:00.

When the minute hand and the hour hand of a clock form an angle, it represents a specific time on the clock face. In a standard clock, the hour hand completes one full rotation in 12 hours, while the minute hand completes one full rotation in 60 minutes. The hour hand moves at a slower pace than the minute hand.

To determine the time when the hands form a 150° angle, we can divide the clock face into 12 equal parts, each representing 30° (360°/12). Since the hands are forming a 150° angle, it means they are 5 parts (5 x 30°) away from each other.

If we consider the minute hand as the reference point, it is currently at the 10-minute mark (2 parts away from the 12:00 position), indicating that it has moved 50% of the distance between 10 and 11. Therefore, the minute hand is pointing at 2, and since it moves 6° per minute (360°/60), it has covered 60°.

Next, we determine the position of the hour hand. Since it is 5 parts away from the minute hand, it is also pointing at the number 2, representing 2 hours. However, the hour hand moves at a slower pace, covering 30° per hour (360°/12), which is equivalent to 0.5° per minute. Therefore, in the time it took for the minute hand to move 60°, the hour hand moved 30° (60° x 0.5°).

By adding up the angles covered by both hands, we have 60° (minute hand) + 30° (hour hand) = 90°. This leaves us with a remaining 60° for the hands to form a 150° angle.

To determine how much time the remaining 60° represent, we can use proportions. If 30° represents one hour, then 60° represents two hours. Adding this to the initial 2 hours, we get a total of 4 hours.

Combining the hour and minute readings, we conclude that the clock is indicating approximately 4:00 or 5:00.

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Answer:

here you go!!

Speech club: y = 120x+-150

Science club: y = 90 x

A number, a variable, or a mix of numbers, variables, and operation symbols make up an expression. Two expressions joined by an equal sign form an equation. Word illustration: The product of 8 and 3. Word illustration: The product of 8 and 3 is 11

• The speech club is selling calendars for $12 each. It originally had to pay $150 in printing fees, and the members plan to sell 10 calendars each day.  [ 12*10 -150]

• The science club is offering individual tutoring sessions for $15 per session.[6*15]

The club has no start-up costs, and plans to provide 6 sessions per day.

Speech club: y = 120x+-150

Science club: y = 90 x

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Answer:

\(1) y = - \frac{3}{2} x + 4\)

\(2)y = x + 5\)

\(3)y = 4 + 5x\)

Answer:

y = 10

Step-by-step explanation:

y = 2(2) + 6

y = 4 + 6

y = 10

Answer:

Y = 10

Step-by-step explanation:

if x = 2,

Y = 2x2 + 6

Y= 4 + 6

Y = 10

Performance measures dealing with the number of units in line and the time spent waiting are called D. operating characteristics.

Operating characteristics are performance measures that provide information about the operational behavior of a system. In the context of queuing theory, operating characteristics specifically refer to measures related to the number of units in line (queue length) and the time spent waiting (queueing time) within a system. These measures help assess the efficiency and effectiveness of the system in managing customer or job arrivals and processing.

The number of units in line is an important indicator of how congested a system is and reflects the amount of work waiting to be processed. By monitoring the queue length, managers can determine if additional resources or adjustments to the system are required to minimize customer wait times and enhance throughput.

Similarly, the time spent waiting, often referred to as queueing time, measures the average or maximum amount of time a customer or job must wait before being serviced. This measure is crucial in assessing customer satisfaction, as excessive wait times can lead to dissatisfaction and potential loss of business.

Operating characteristics provide quantitative insights into these key performance indicators, allowing organizations to make informed decisions regarding resource allocation, process improvements, and service level agreements.

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Answer:

The correct answer is B. Long-term.

Step-by-step explanation:

Since Zach has bought a car for $ 20,000 paying a down payment of $ 5,000 and monthly payments of $ 450 per month for 5 years, he will be paying a total of $ 32,000 for that car (5,000 + 450 x 12 x 5). Thus, the responsibility that Zach has incurred forces him to maintain his monthly payment obligation for 5 years, thus becoming a long term liability.

Answer:

7/8

Step-by-step explanation:

because the are 8 pieces in the entire circle and Tara eats 7 out of 8 of them

The correct option for given trigonometric function is C.

What are trigonometric functions?

Trigonometric functions are also known as Circular Functions can be simply defined as the functions of an angle of a triangle. It means that the relationship between the angles and sides of a triangle are given by these trigonometric functions. The basic trigonometric functions are sine, cosine, tangent, cotangent, secant and cosecant.

The angles of sine, cosine, and tangent are the primary classification of functions of trigonometry. And the three functions which are cotangent, secant and cosecant can be derived from the primary functions.

Now,

For f(x)=2sin^-1()2x

the value of x can be in range {-π/2,π/2}

because sine values are in range {-1,1} for given values of x.

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Right question is provided in image.

Applying the sine ratio, the value of x is calculated as: x = 6.

The sine ratio is part of the trigonometric ratios that is used to solve a right triangle, which is expressed as:

sin ∅ = opposite side length / hypotenuse length

Given the following:

Apply the sine ratio to find the value of x:

sin 45 = 6√2/x

Multiply both sides by x

sin 45 × x = 6√2

Divide both sides by sin 45:

sin 45 × x / sin 45 = 6√2/sin 45

x = 6√2 / √2/2

x = 6√2 × 2/√2

x = 12/2

x = 6

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Answer:

its 50%,1/2,0.5

Step-by-step explanation:

Answer:

6n - 14

Step-by-step explanation:

6n - 14?

6 times a number (6n) minus 14 (-14)

put together = 6n - 14

Answer:

1/14xy(x²+3y)

Step-by-step explanation:

the first common factor is;

1/14 and xy

=1/14xy(x²+3y)

Answer:

Total distance covered = 436 yards

Step-by-step explanation:

Walking path BE joins the midpoints B and E of the sides AC and AD.

By midsegment theorem,

"Line joining midpoints of two sides of a triangle is parallel and measure half of the third side"

m(BE) = \(\frac{1}{2}[m(CD)]\)

CD = 2(BE)

CD = 2(74) = 128 yd

From starting point D,

DE = 107 yd

EB = 74 yd

BC = \(\frac{254}{2}\)

     = 127 yd

CD = 128 yd

Total walking distance = DE + EB + BC + CD

                                      = 107 + 74 + 127 + 128

                                      = 436 yd

Total distance covered = 436 yards

Answer:

456

Step-by-step explanation:

107

74

254/2 =127

74x2=148

107+74+127+148=456

Answer:

Rishi spent 3/4 of an hour for 2 days working on his science project . kyle spent 1/4 of an hour for 6 days working on his science project. who spent more time working on his science project.

Step-by-step explanation:

rishi and kyle spent the same amount of time.

6/4 and 6/4 hours

Answer:

33

Step-by-step explanation:

if you are looking for the simplified expression

Answer:

x = 1

Step-by-step explanation:

f(x) = (x - 1)²

f(x) = (x -1)(x - 1)

*Note: to find zeros set your equation equal to zero

x - 1 = 0

x = 1

*Since both quantities are the same x = 1 is your only zero.

Answer:

c^10 d^18

Step-by-step explanation:

Answer:

A positive slope

Step-by-step explanation:

If sales are increasing then the income should increaseing and positive.

a. Jump with a bobbing motion: Shortest jump  b. Jump from deep knee flexion: Intermediate jump

c. Jump with fully extended knees: Longest jump ,In the long jump activity, three different jumping techniques were observed:

a) The bobbing motion involved bending and extending the knees and arms during the jump.

b) Starting from deep knee flexion meant initiating the jump from a position with knees bent and no motion prior to the jump.

c) Starting with fully extended knees involved jumping with the knees straight and no motion before the jump. During the performance, the lengths of each jump were measured. Trial results consistently indicated that the jump with the bobbing motion had the shortest length, while the jump starting from deep knee flexion had an intermediate length. The jump with fully extended knees consistently achieved the longest distance.

The observations reveal that starting the jump with fully extended knees and no knee motion results in the longest jump. The bobbing motion with knee and arm movements leads to the shortest jump. Deep knee flexion position falls between the two in terms of jump length.

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The 99% confidence interval for the true mean length of the manufactured bolt is (2.9177, 3.0823)

Here, we need to construct a 99% confidence interval for population mean (μ) is given by

μ = x + Zα/2 * σ/√n   or    μ = x - Zα/2 * σ/√n

where, μ = population mean

x = sample mean

  = 3 inches

σ = population standard deviation

  = 0.3 inches

Zα/2= z score for a two tailed test at level of significance α = 2.576( for a 99% confidence level)

So, the upper limit would be,

μ = 3 + 1.645 * (0.3/√36)

μ = 3 + 1.646 * (0.3/6)

μ = 3.0823

And the lower limit would be,

μ = 3 - 1.645 * (0.3/√36)

μ = 3 - 1.646 * (0.3/6)

μ = 2.9177

Hence, the 99% confidence interval is (2.9177, 3.0823)

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Answer:

albert einstein

Step-by-step explanation:

Therefore, the solution to the equation 9 squared = 3 to the x power is x = 4.

An equation is a mathematical statement that asserts the equality of two expressions. In other words, an equation states that two quantities are equal to each other. Equations are written using an equal sign (=) between two expressions.

Here,

To solve for x in the equation 9 squared = 3 to the x power, we can use the property that states that aᵇ = c is equivalent to log_a(c) = b. Using this property, we can take the logarithm of both sides of the equation:

log_3(9 squared) = log_3(81)

On the left side, we can simplify 9 squared as 81, so we have:

log_3(81) = x

To solve for x, we can use the fact that log_3(81) is the exponent to which 3 must be raised to get 81. In other words, x is the power to which 3 must be raised to get 81. We know that 3⁴ = 81, so:

x = 4

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The standard equation of a straight line is given by y = mx + b, where m is the slope (rate of change) and b is the y intercept of the line.

An equation is an expression that shows the relationship between two or more numbers and variables.

The standard equation of a straight line is given as:

y = mx + b

Where m is the slope (rate of change) and b is the y intercept of the line.

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