can someone solve this problem for me? Show me your steps to solve this problem as well.

Answer:

-5, 6i

Step-by-step explanation:

Answer:

Step-by-step explanation:

The equation of this circle is:

(x - 1)² + (y - 1)² = 5²

Just supposing we choose x = 2.  What's the corresponding y-value?

Actually, there are two unique y-values for each x value.

Let x = 2 in (x - 1)² + (y - 1)² = 5².  Then:

(2 - 1)² + (y - 1)² = 5², or

   1²      + (y - 1)² = 25

Solving for (y - 1)², we get  (y - 1)² = 25 - 4, or 24.

Taking the square root of both sides:

y - 1 = ±√24, so that y = 1 ±√24,

This simplifies to y = 1 ± 2√6.

Therefore, if x = 2, y has two values:

(2, 1+2√6) and

(2, 1-2√6

Answer:

His answer will have a very large value.

Step-by-step explanation:

Lets take an example:

Let the item price be = $50

John is calculating 6% tax on an item. This becomes:

[tex]0.06\times50=3[/tex] dollars

But he accidentally divides by 0.06. This becomes: [tex]\frac{50}{0.06}= 833.33[/tex] dollars

We can see that the answer is completely wrong and the value is very large.

Answer:

Step-by-step explanation:

The length of her lawn=64.15 feet.

Width of her lawn=22.70 meters.

we are given that:

1 foot=0.3048 meters.

Hence,

64.15 feet=21.86232 meters.

Hence, length of lawn=21.86232 meters.

Hence, width of the lawn is greater than the length of the lawn.

( since 22.70 meters> 21.862332 meters)

Also 1 meter=1.0936 yards.

so, width of lawn in yards is:

22.70×1.0936=24.82472 yards.

length of lawn is: 23.9086462752 yards.

Hence, width of lawn is 0.9160737 yards more than the length of lawn.

A standard form or a scientific notation is known as the value of any number that can be expressed or written as a decimal, usually within the range of 1.0 - 10.0 multiplied by the power of 10.

It is an effective technique of expressing large numbers in a simpler form.

From the information given, we are not provided with any decimal number to be converted into a standard form but we have a number in its standard form already.

i.e.

5.708 × 10⁻⁸

The standard number from above can be converted back into its decimal form, which is:

= 0.00000005708

From the above explanation, we can conclude that we've understood how to approach and solve questions related to the Standard form.

Learn more about standard form here;

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135 + 162.5 + 180 + 235 + 185 + 167.5 = 1065

1065/6 = 177.5

 average height is 177.5 cm

Answer:

Average height of sunflowers is:

177.5 cm

Step-by-step explanation:

Average is calculated as sum of all observations divided by number of observations

The heights of six sunflowers are 135.0 cm, 162.5 cm, 180.0 cm, 235.0 cm, 185.0 cm, and 167.5 cm.

Average= [tex]\dfrac{135+162.5+180+235+185+167.5}{6}[/tex]

Average= [tex]\dfrac{1065}{6}[/tex]

Average= 177.5

Hence, Average height of sunflowers is:

177.5 cm

the correct answer is - 1/2

Answer: The value of the scale factor is [tex]-\frac{1}{2}[/tex].

Explanation:

It is given that the △E′F′G′ is the image of △EFG under a dilation through point C.

We know that the length of sides of image are in the proportion of length of sides of preimage. That proportion factor is also known as scale factor.

It is given that the length of FG is 8 cm and the length of F'G' is 4 cm.

[tex]k=\frac{F'G'}{FG} =\frac{4}{8} =\frac{1}{2}[/tex]

Therefore the side of image and preimage are in proportion of [tex]\frac{1}{2}[/tex].

Since the image and preimage are not on the same side of the center of dilation it means the factor must be negative. So,

[tex]k=-\frac{1}{2}[/tex].

Therefore, [tex]-\frac{1}{2}[/tex] is the scale factor of dilation.

Answer: A. 15 over 31

I took a the test and got it right, thank you!

The probability of losing money in this scenario is 23.89%.

Probability of Losing Money in Roulette (200 spins, red bet)

Step-by-Step Calculation:

1) Probability of winning on one spin:

Red covers 18 out of 38 numbers (European roulette).

P(win) = 18/38 ≈ 0.474.

2) Number of wins needed to break even:

Divide total spins by 2 due to 1:1 payout on red.

200 spins / 2 = 100 wins needed.

3) Binomial distribution:

200 trials (spins), each with 2 outcomes (win/loss).

Success probability = P(win) = 0.474.

Failure probability = P(loss) = 1 - P(win) = 0.526.

4) Normal approximation:

Check conditions for normal approximation:

np > 5 (200 × 0.474 ≈ 95 > 5)

nq > 5 (200 ×0.526 ≈ 105 > 5)

Both conditions met, so normal approximation is valid.

5) Calculate mean and standard deviation:

Mean (μ) = np = 200 × 0.474 ≈ 94.8.

Standard deviation (σ) = sqrt(npq) = sqrt(200 * 0.474 * 0.526) ≈ 7.4.

6) Find probability of losing money:

We need wins < 100, which translates to losses ≥ 100.

Convert losses to z-scores:

z = (x - μ) / σ = (100 - 94.8) / 7.4 ≈ 0.71.

Look up probability of z ≥ 0.71 in standard normal distribution table:

P(z ≥ 0.71) ≈ 0.2389.

7) Generalization:

For any number of spins (n) and break-even win threshold (k), the steps are similar. Use the binomial distribution or its normal approximation to calculate the probability of winning k or fewer times.

Final answer:

The least number of hours Ammon could have worked is 13 hours, and Nakia worked 16 hours since Nakia worked 3 hours more than Ammon, and together they worked more than 27 hours.

Explanation:

Let's denote the number of hours that Ammon worked as A and the number of hours that Nakia worked as N. According to the question, Nakia worked 3 more hours than Ammon, which can be written as N = A + 3. It's also given that together they worked more than 27 hours, so we can write this as A + N > 27. Substituting the first equation into the second, we get A + (A + 3) > 27, which simplifies to 2A + 3 > 27. By subtracting 3 from both sides, we get 2A > 24. Dividing by 2 gives us A > 12. Since A must be a whole number, the smallest whole number greater than 12 is 13.

Now that we know A is at least 13, we can find the minimum number of hours Nakia worked, which is A + 3. That gives us N = 13 + 3 = 16. Therefore, the least number of hours Ammon worked is 13 hours and Nakia worked 16 hours.

Answer: It's B

B) m∠A=25° and m∠B=25°

we have that

[tex]PR = 4x - 2\\RS = 3x - 5[/tex]

we know that

[tex]PS=PR+RS[/tex]

substitute the values of PR and RS in the formula above

[tex]PS=(4x-2)+(3x-5)[/tex]

Combine like terms

[tex]PS=(7x-7)[/tex]

therefore

the answer is

[tex]PS=(7x-7)[/tex]

The expression which represents PS is; 7x -7

According to the question;

From observation;

Read more on addition of algebraic expressions;

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Answer:

A. $336.16

Step-by-step explanation:

The payment per $100 can be set up as a ratio:  

[tex]\frac{3.52}{100}[/tex]

Let the unknown payment be x. Now setting up the ratio over the full value:  

[tex]\frac{x}{9550}[/tex]

Set them equal and solve for x:  

[tex]\frac{3.52}{100}=\frac{x}{9550}[/tex]

1[tex]100x=33616[/tex]

This gives x = $336.16

Therefore, the answer is option A.

Answer:

[tex]\displaystyle \frac{dy}{dx} = \frac{-2}{x^\Big{\frac{3}{2}}}[/tex]

General Formulas and Concepts:

Calculus

Differentiation

Derivative Property [Multiplied Constant]:                                                           [tex]\displaystyle \frac{d}{dx} [cf(x)] = c \cdot f'(x)[/tex]

Basic Power Rule:

Step-by-step explanation:

Step 1: Define

Identify

[tex]\displaystyle y = \frac{4}{\sqrt{x}}[/tex]

Step 2: Differentiate

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Differentiation

An obtuse triangle will have one and only one obtuse angle.

The other two angles are acute angles.

The sum of the two angles other than the obtuse angle is less than 90º.

The side opposite to the obtuse angle is the longest side of the triangle.

The points of concurrency, the Circumcenter and the Orthocenter lie outside of an obtuse triangle, while Centroid and Incenter lie inside the triangle.

Answer:

N - 8 = 22

Step-by-step explanation: