Please Help!!!
Given f(x)=x2−3x−4 and g(x)=|x+3|−2 , which value is a solution to the equation f(x)=g(x) ?

A −4

B −3

C −1

D 4

Answer:

1a

2b

3b

4b

5d

i think this is it

The third quartile, also known as the 75th percentile, represents the value below which 75% of the data falls. In a normal distribution with a mean (µ) of 60 and a standard deviation (σ) of 8, we can use the properties of the standard normal distribution to find the X value that corresponds to the third quartile.

First, we need to convert the X value to a z-score using the formula: z = (X - µ) / σ. Since we want the third quartile, we know that the area to the left of the z-score is 0.75.

Using a standard normal distribution table or a calculator, we can find the z-score that corresponds to an area of 0.75. In this case, the z-score is approximately 0.674.

Next, we can use the z-score formula to find the X value: X = µ + (z * σ). Substituting the values, we get: X = 60 + (0.674 * 8) = 65.392.

Therefore, the X value that corresponds to the third quartile in this population is approximately 65.392.

In summary, to find the X value that corresponds to the third quartile in a normal distribution with a mean of 60 and a standard deviation of 8, we use the z-score formula to convert the percentile to a z-score and then convert it back to an X value using the mean and standard deviation. The result is approximately 65.392.

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Step-by-step explanation:

To find the Highest Common Factor (H.C.F.) of 567 and 255 using Euclid's division lemma, we can follow these steps:

Step 1: Apply Euclid's division lemma:

Divide the larger number, 567, by the smaller number, 255, and find the remainder.

567 ÷ 255 = 2 remainder 57

Step 2: Apply Euclid's division lemma again:

Now, divide the previous divisor, 255, by the remainder, 57, and find the new remainder.

255 ÷ 57 = 4 remainder 27

Step 3: Repeat the process:

Next, divide the previous divisor, 57, by the remainder, 27, and find the new remainder.

57 ÷ 27 = 2 remainder 3

Step 4: Continue until we obtain a remainder of 0:

Now, divide the previous divisor, 27, by the remainder, 3, and find the new remainder.

27 ÷ 3 = 9 remainder 0

Since we have obtained a remainder of 0, the process ends here.

Step 5: The H.C.F. is the last non-zero remainder:

The H.C.F. of 567 and 255 is the last non-zero remainder obtained in the previous step, which is 3.

Therefore, the H.C.F. of 567 and 255 is 3.

Answer:The product of an integer and 1 is the integer.

Step-by-step explanation:

Answer:

Booker:  $103.50 profit

Finley:  $34.50 profit

Step-by-step explanation:

b = # of candles Booker sold

f = # of candles Finley sold

1)  b = 3f

2) f = b - 12    substitute b=3f into this equation to get an expression all in terms of f, then solve for f

f = 3f - 12

-2f = -12

f = -12/2 = 6    now plug this into either equation and solve for b

b = 3(6) = 18

Booker:  18 candles x $5.75 profit/candle = $103.50 profit

Finley:  6 candles x $5.75 profit/candle = $34.50 profit

The z-score of 0.3162 is less than 2.33, we fail to reject the null hypothesis. There is not enough evidence to conclude that the valve performs above the specifications.

The null hypothesis is that the valve produces a mean pressure of 5.5 pounds/square inch. The alternative hypothesis is that the valve produces a mean pressure greater than 5.5 pounds/square inch.
The decision rule for rejecting the null hypothesis at a significance level of 0.01 is to reject it if the test statistic (z-score) is greater than 2.33.
To calculate the z-score, we use the formula:
z = (sample mean - hypothesized mean) / (standard deviation / sqrt(sample size))
z = (5.6 - 5.5) / (0.8 / sqrt(18))
z = 0.3162
Since the z-score of 0.3162 is less than 2.33, we fail to reject the null hypothesis. There is not enough evidence to conclude that the valve performs above the specifications.

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Answer:

343 feet

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

Proprtion is 1:3

HOPE THIS HELPS

PLZZ MARK BRAINLIEST

Answer:7

Step-by-step explanation:

there all is divided by three for the smaller triangles

Answer:

✓73 or approximately 8.54

Step-by-step explanation:

✓ 8²+3² = ✓ 73 or approximately 8.54

Answer:

8/ln(9)

Step-by-step explanation:

Let u=cos(x). Then du=-sin(x) dx.

If x=0, then u=cos(0)=1.

If x=pi/2, then ucos(pi/2)=0.

The intgral is rewriten as

Integrate((9^u (-du) , from u=1 to u=0)

-9^u/ln(9) |u=1..0)

Upperlimit goes in first no matter if it is tinier in value:

(-9^0/ln(9)--9^1/ln(9))

-1/ln(9)+9/ln(9)

8/ln(9)

The volume of wax needed to fill the mold, to the nearest tenth, is approximately \(523.3 \:cm^3\).

To find the volume of wax needed to fill the mold, we can use the formula for the volume of a sphere:

\(Volume = (4/3) * \pi * radius^3\)

Given that the diameter of the mold is 10 centimeters, we can calculate the radius by dividing the diameter by 2:

\(Radius = 10 cm / 2 = 5 \:cm\)

Now, we can substitute the radius value into the volume formula:

\(Volume = (4/3) * \pi * (5 cm)^3\)

Using an approximation of \(\pi\) as 3.14, we can simplify the calculation:

\(Volume = (4/3) * 3.14 * (5 cm)^3\\Volume = (4/3) * 3.14 * 125 \:\:cm^3\\Volume = 523.33 \:\:cm^3\)(rounded to the nearest tenth)

Therefore, the volume of wax needed to fill the mold, to the nearest tenth, is approximately \(523.3 \:\:cm^3\).

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The expression √-x² is never a real number.

The square root of a negative number is not defined in the real number system. When x is a real number, the expression -x² is always non-negative or zero since squaring a real number always yields a non-negative result. However, taking the square root of a negative number within the expression leads to an imaginary or complex number, not a real number.

For example, let's consider x = 1. Plugging this value into the expression, we have √-(1)² = √-1. Since the square root of -1 is denoted as the imaginary unit i, the expression becomes i, which is not a real number.

Similarly, if we take x = 0, the expression becomes √-(0)² = √0 = 0. Although 0 is a real number, it is an exception in this case because the expression evaluates to 0 rather than a negative number.

In summary, the expression √-x² is never a real number because it involves taking the square root of a negative number, which results in imaginary or complex numbers.

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The value of the game would be 13.33 dollars.

What is probability?

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a proposition is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

Value of the game = E(x)

                               \(= [(60\times\frac{5}{6}) + (-10\times\frac{1}{6})]\\\\=50 -1.66\\\\= 48.33\)

P(Plain surface) = 2/6 and

P(Not plain surface) = 1 - 2/6 = 2/3

Let x: Value won/lost in the game

Value of the game

                          \(= [(60\times\frac{2}{6}) + (-10\times\frac{2}{3})]\\\\=20 -6.66\\\\= 13.33\)

Hence, the value of the game would be 13.33 dollars.

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Answer:

8v+4

This correct because basically what you are doing is multiplying the 2 so if 4v multiply it by 2 and you would get 8v

The sample size used in the analysis was 300 sales calls for the given standard error.

The standard error (SE) is a statistical sample population's approximate standard deviation. The difference between the population's computed mean and one that is widely regarded as correct is described by the standard error. The standard error tends to be reduced the more data points included in the mean computations.

Given that, Lori obtains a book adoption on 20%, and the proportion of 0.400.

The Standard error is given as:

SE = √[p(1-p)/n]

Rearranging for n we have:

n = p(1-p)/(SE²)

n = 0.20(1-0.20)/(0.0400)²

n = 300.25

Hence, the sample size used in the analysis was 300 sales calls.

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The complete question is:

Answer:

6

Step-by-step explanation:

Answer:

1/5

Step-by-step explanation:

Steps to solve:

3x * (7 * x)

~Simplify

3x * 7x

~Combine like terms

21x

Best of Luck!

Answer:

A

Step-by-step explanation:

-0.2 translates to -2/10 and then simplifies to -1/5 so you would minus it from the bigger number which is 3/5 because its positive.

Applying the AA similarity theorem, the length of DF is: 15 units.

When two angles in one triangle are congruent to the corresponding two angles in another triangle, both are said to be similar to one another. This means that, the corresponding sides of these two triangles would be proportional or have the same ratio.

In the image attached bellow, triangle DEF and triangle DBC are similar to each other because they have two pairs of corresponding angles that are congruent which are:

<DFE ≅ <DCB [right angles are equal]

<EDF ≅ <BDC [reflexive property of congruence]

Therefore, their corresponding sides will have equal ratios such as:

DC/DF = BC/EF

Substitute:

27/DF = 49.5/27.5

Cross multiply:

DF = (27.5 * 27) / 49.5

DF = 15

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Answer:

hi

Step-by-step explanation:

if x is equal to 2 then 3×5×2 is 30

have a nice day

bye

The value of the expression 3·5x when x = 2 is 30

The expression is given as:

3·5x

Rewrite properly as:

3 * 5x

When x = 2, the expression becomes

3 * 5 * 2

Evaluate

30

Hence, the value of 3·5x when x = 2 is 30

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Answer:

36in

Step-by-step explanation:

P=2×3,14×r

113.04=2×3.14×r

r=18in

d=2×r

=2×18in=36in

Answer:

8

Step-by-step explanation:

\(x^2-2x \\x=4\\(4)^2-2(4)\\16-8\\8\)

The approximate area of the trapezoid is determined as  13.95 unit².

The approximate area of the trapezoid is calculated as follows;

Area = ¹/₂(b₁ + b₂)h

Where;

The y-coordinates of the points on the curve at x=3/2 and x=4 is calculated as follows;

y(3/2) = - (3/2)²/2 + 3/2 + 5

y(3/2) = -9/8 + 3/2 + 5

y(3/2) = 5.375

y(4) = -4²/2 + 4 + 5

y(4) = -8 + 9

y(4) = 1

h = 5.375 - 1 = 4.375

The approximate area of the trapezoid is calculated as;

Area = ¹/₂(5.375 + 1) x 4.375

Area = 13.95 unit²

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False. if you are given a graph with two shif table lines, the correct answer will always require you to move both lines.

In a graph with two shiftable lines, the correct answer may or may not require moving both lines. It depends on the specific scenario and the desired outcome or conditions that need to be met.

When working with shiftable lines, shifting refers to changing the position of the lines on the graph by adjusting their slope or intercept. The purpose of shifting the lines is often to satisfy certain criteria or align them with specific points or patterns on the graph.

In some cases, achieving the desired outcome may only require shifting one of the lines. This can happen when one line already aligns with the desired points or pattern, and the other line can remain fixed. Moving both lines may not be necessary or could result in an undesired configuration.

However, there are also situations where both lines need to be shifted to achieve the desired result. This can occur when the relationship between the lines or the positioning of the lines relative to the graph requires adjustments to both lines.

Ultimately, the key is to carefully analyze the graph, understand the relationship between the lines, and identify the specific criteria or conditions that need to be met. This analysis will guide the decision of whether one or both lines should be shifted to obtain the correct answer.

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Answer:

80°

Step-by-step explanation:

AB and AC are chords.

Chords AB and AC are at a distance of 2 units from the center of the circle.

-> Chord AB = Chord AC

\(\implies m(\widehat {AB})=m(\widehat {AC})\)...(1)

(Equal chords intercept equal arcs)

\(m(\widehat {AB})+m(\widehat {AC})+m(\widehat {BC})=360\degree\)

(By arc sum property of a circle)

\(\implies m(\widehat {AB})+m(\widehat {AB})+200\degree=360\degree\)

(From equation 1)

\(\implies 2m(\widehat {AB})=360\degree-200\degree\)

\(\implies 2m(\widehat {AB})=160\degree\)

\(\implies m(\widehat {AB})=\frac{160\degree}{2}\)

\(\implies \huge{\orange{m(\widehat {AB})={80\degree}}}\)

3 Answers: x = 0, x = 1, or x = 2

==================================================

Explanation:

The relation

{(0, 5) (1, 5) (2, 6) (x, 7)}

has points with x coordinates of: 0, 1, 2, and x.

If we repeated any of the x values listed so far, then we will not have a function.

So if we had the points (0,5) and (0,7), then the input x = 0 leads to multiple outputs. A function is only possible when any input x leads to exactly one output y.

This means that if x = 0, 1, or 2, then we won't have a function.

Side note: The y values can repeat, but if they do, then we won't have a one-to-one function. In this case, y = 5 repeats, so this function is not one-to-one (assuming x is not 0, not 1, and not 2).

Answer:

clculator soup

Step-by-step explanation: