Which equation represents the graphed function?
a. y=-3x + 3
b. y = 3x3
c. y = 3x -
d.y=-x+3

Answer:

Step-by-step explanation:

Given the linear function for the traffic fines:

If a fine comes to $292, substitute f(s)=292 and solve for "s" to find the speed of the person:

If the length of a rectangle is 3 cm less than twice the width of the rectangle and the perimeter is 75 cm, then the length is 24 cm and width is 13.5 cm

Consider the width of the rectangle as w

The length of a rectangle is 3 cm less than twice the width of the rectangle

The length of the rectangle = 2w-3

Perimeter of the rectangle = 75 cm

Perimeter of the rectangle =2(l+w)

Where l is the length and w is the width of the rectangle

Substitute the values in the equation

2(2w-3+w) = 75

2(3w-3) = 75

6w-6 = 75

6w = 81

w = 13.5 cm

The length of the rectangle = 2(13.5)-3

=24 cm

Hence, If the length of a rectangle is 3 cm less than twice the width of the rectangle and the perimeter is 75 cm, then the length is 24 cm and width is 13.5 cm

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To find the equation that does not belong with the other three we have to solve each equation.

Given the equation:

Dividing by 4 at both sides:

7:

Simplifying on the left:

10:

:

27:

4 :

5

In consequence, the equation that does not belong with the other three is:

because its solution, 4, is different from the solution to the other equations (2).

If we change the 5 in the equation by a 10 and solve the equation we get:

And now the equation (with a 10) belongs with the other three

Based on the given argument, it is concluded that my friend's reasoning was incorrect.

This refers to the type of function that represents one line on a linear plane in cartesian mathematics.

With this in mind and from the claim of my friend that a line always represents a function, my friend is incorrect because If the line was vertical, then it could not pass through and as such, cannot represent a function.

Therefore, the answer to the question is that my friend is incorrect in his claim about lines and functions.

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Answer:

that would be X=22, i had the same thing today, and got it right :D

Step-by-step explanation:

The part "since  ∠ AMC is a right angle, ∠BMC and ∠CMD will be complementary" and "since  ∠ BMC is a right angle, ∠BMC and ∠AMB will be complementary" , the paragraph proof is incorrect.

We are given that,

∠ AMC and ∠BMC are right angles.

Since,

∠ AMC = ∠ AMB + ∠ BMC

The paragraph part should have been ∠ AMB  and ∠ BMC are complementary angles and,

Since,

∠ BMD = ∠ BMC + ∠ CMD

The paragraph part should have been ∠ CMD  and ∠ BMC are complementary angles instead of the part given in the paragraph proof.

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SOLUTION

The correct option is A (the first option)

We are asked to find the measure of the angle at the center.

Circle theorem:

The angle at the center of a circle = 2 x Angle at the circumference

The angle at the center of the circle = 2 x = 2 x 91 degrees

=182 degrees

The value for the angle at the center (?) of this circle is

The correct option is A (the first option)

The error in the solution is adding 9 and 2 before the multiplication and the new expression is (2 x 3) +  9

The equation and the steps are given as

9 + 2 x 3 = 11 x 3 = 33

The above solution is incorrect

This is so because the product has a higher order of precedence

So, it must be evaluated first

So, the correct solution is

9 + 2 x 3 = 9 + 6 = 15

To rewrite the expression such that the product is done first, we introduce the use of brackets

So, we have

9 + (2 x 3)

This gives

(2 x 3) +  9

Hence, the result of the products is (2 x 3) +  9

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we have found out the probability for different cases when there were 29,757 traffic fatalities in the United States and of these, 9001 were alcohol related.

Total traffic fatalities = 29,757

Alcohol related = 9001

(a) probability that a randomly selected traffic fatality in this year was alcohol related:

P = 9001 / 29,757 = 0.302

(b) probability that a randomly selected traffic fatality in this year was not alcohol related:

P = 1 - 0.302 = 0.698

(c) probability that two randomly selected traffic fatalities in this year were both alcohol related:

P = 0.302 × (9000 / 29756)

P = 0.091

(d)What is the probability that neither of two randomly selected traffic fatalities in this year were alcohol related:

P = 1 - 0.091

P = 0.909

(e)  probability that of two randomly selected traffic fatalities in this year, at least one was alcohol related

P = 0.302 + 0.302 = 0.604

Therefore, we have found out the probability for different cases when there were 29,757 traffic fatalities in the United States and of these, 9001 were alcohol related.

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In a standard normal distribution, the range of values of z is from: D. d. -∞ to ∞.

A z-score is also known as a standard score and it can be defined as a measure of the distance between a raw score and the mean, when standard deviation units are used.

A normal distribution is also referred to as the Gaussian distribution and it can be defined as a probability distribution that is continuous and symmetrical on both sides of the mean, which shows that all data near the mean have a higher frequency than the data that are far from the mean.

In conclusion, the range of values of z in a standard normal distribution are all real numbers which typically ranges from negative infinity (-∞) to positive infinity (∞).

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Complete Question:

In a standard normal distribution, the range of values of z is from ______.

a. -3.09 to 3.09

b. -1 to 1

c. 0 to 1

d. -∞ to ∞

The most appropriate choice for speed will be given by

Speed of the car of Lewis family = 38 miles/hours

What is speed?

Distance travelled by an object per unit of time is called speed.

If d is the distance travelled and t is the time taken, then speed is calculated by-

Speed = [tex]\frac{d}{t}[/tex]

Here, speed is a scalar as the direction is not taken into account.

Distance drove by  Lewis family to the river = 45.6 miles

Time taken by the Lewis family to go to the river  = 1.2 hours

Speed of the car of Lewis family = [tex]\frac{45.6}{1.2}[/tex]

                                                      = 38 miles/hour

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The solution for x in the equation x + 4 = 12 is 8.

Given,

Sum of two numbers is 12

Take the first number as x

Second number is given as 4

We have to find the value of x.

The equation will be like:

x + 4 = 12

Solve for x in the equation.

Add -4 to both sides

x + 4 - 4 = 12 - 4

x = 8

That is, the solution for x in the equation x + 4 = 12 is 8.

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The question is incomplete. Completed question is given below.

The sum of a number and 4 is 12. Find the number.

|-3| means "the absolute value of 3", which is a way of saying how far away from zero the number -3 is on the number line.

The definition of absolute value goes like this:

[tex]|x| = \begin{cases} x & \text{if } x \ge 0 \\ -x & \text{if } x < 0 \end{cases}[/tex]

In other words, if the number [tex]x[/tex] inside the absolute value bars is already positive or zero, we leave it alone. If instead [tex]x[/tex] is negative, we multiply it by -1 to recover the positive version of that number.

Since -3 is negative, it follows that |-3| = -(-3) = 3. So the expression 3 |-3| is equivalent to 3 • 3 = 3² = 9.

Answer:

10%

Step-by-step explanation:

this is because the total number is supposed to be 100%

and 60%+20%=90%. 100%-90%=10%.

So 10% is the final answer

Answer: 0.0625

Step-by-Step Explanation: positive exponents = multiply the number by itself however many times the exponent demands.

negative exponents:  multiply the reciprocal of the base number by itself however many times the exponent demands.

Answer: D

Given:

The diameter of the sphere is 1.3 inches.

The surface area of the sphere is given as,

Answer: area covered with sprinkles is 5.3 square inches

Answer:

Step-by-step explanation:

The probability is represented by the following equation:

The equations best represents "y is inversely related to x" is y = k(1/x).

The inverse proportionality can be described as the relationship that exist between two or more quantities whereby when one of the quantities is increasing in value, then the the second quantity will be decreasing in value however there will be a proportionality constant that would be found in the equation.

Considering the chosen option D, we can see that when the value of y is increasing then the value of x will be decreasing, and when the value of x is decreasing , them the value of y will be increasing.

Therefore, option C is correct.

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Answer:

35.45

Step-by-step explanation:

C=2πA=2·π·100≈35.44908

Using the normal distribution and the binomial distribution, it is found that:

a) 43.25% of 10 year old's cannot go on this ride.

b) There is a 0.7814 = 78.14% probability that at least two of them will be able to ride Batman the Ride.

c) There is a 0.1062 = 10.62% probability that the first 10 year old you see who can ride Batman the Ride is the 3rd 10 year old who enters the park.

d) There is a 0.0834 = 8.34% probability that the 5th 10 year old you see who can ride Batman the Ride is the 12th 10 year old who enters the park.

The z-score of a measure X of a normally distributed variable that has mean given by [tex]\mu[/tex] and standard deviation represented by [tex]\sigma[/tex] is given as follows:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

In the context of this problem, the mean and the standard deviation are given as follows:

[tex]\mu = 55, \sigma = 6[/tex]

For item a, the proportion is the p-value of Z when X = 54, hence:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

Z = (54 - 55)/6

Z = -0.17.

Z = -0.17 has a p-value of 0.4325.

Hence the percentage is of 43.25%.

The formula for the probability of x successes is:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are given by:

For item b, the parameters of the binomial distribution are given as follows:

p = 0.5675, n = 4.

Hence:

Hence:

P(X >= 2) = P(X = 2) + P(X = 3) + P(X = 4) = 0.3615 + 0.3162 + 0.1037 = 0.7814.

Which is the probability.

For item c, the probability is given as follows:

p x P(X = 0 with n = 2).

Hence:

p = 0.5675 x (0.4325)² = 0.1062.

For item d, the probability is given as follows:

p x P(X = 4 with n = 11). (inverse binomial).

Hence:

0.5675 x (11!)/(5! x 6!) x (0.5675)^4 x (0.4375)^7 = 0.0834.

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The value of sin(O) will at the range of 0° to 90° consistently increase. This makes option D the correct options.

In trigonometry, the first basic functions are the sin, cos and tan.

In a right angle triangle the sin is represented as the ratio of opposite to hypotenuse. cos is represented as the ratio of the adjacent to hypotenuse, while tan is the ratio of opposite to adjacent or ratio of sin to cos.

Plotting the graph of sin functions, the pattern forms a sinusoidal pattern which bears its maximum value at sin 90degrees and the minimum value at sin 0 degrees.

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Think of

Answer:

196 x 3 / 100 = 5,88

Step-by-step explanation:

7% - 4% = 3%

So we need to had 3% t have again 4%

Answer:

x = + or - 8

Step-by-step explanation:

2x^2 = 128

solve for x

hope this helped have a great day ^^

The scale factor that was used for the drawing is 1 inch represents [tex]\frac{5}{9}[/tex] feet.

A fraction is a non-integer that has a numerator and a denominator. An example of a fraction is 2/9. 2 is the numerator and 9 is the denominator.

A scale drawing is either a smaller or a bigger version of another image. If the scale used in the drawing is smaller in relation to the dimension of the original image, the scale drawing is a reduced image. If this is not the case, then it is a bigger scale drawing.

The scale drawing is usually reduced at a constant dimensions using a scale factor. In order to determine the scale factor, divide both dimensions provided by 9.

(9 / 9) = (5 / 9)

1 inch = 5/9 feet

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For the given expressions we will have:

y = exp(x - 4)   →we have a shift of 4 units to the right.

y = exp (x +9)  → we have a shift of 9 units to the left.

y = exp(x) + 7 → we have a shift of 7 units up.

y = exp(x) - 6  → we have a shift of 6 units down.

Remember that the shifts work as follows.

For a function f(x), we define a vertical shift of N units as:

g(x) = f(x) + N

For a function f(x), we define a horizontal shift of N units as:

g(x) = f(x + N)

Then, if we have:

exp(x - 4) we have a shift of 4 units to the right.

exp (x +9) we have a shift of 9 units to the left.

exp(x) + 7 we have a shift of 7 units up.

exp(x) - 6  we have a shift of 6 units down.

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[tex]x = 10 - 4y.....(3)[/tex]

I WILL SOVE BY SUBSTITUTION.

[tex]3(10 - 4y) - y = - 9 \\ 30 - 12y - y = - 9 \\ - 13y = -9 - 30 \\ - 13y = - 39 \\ \frac{ - 13y}{ - 13} = \frac{ - 39}{ - 13} \\ y = 3 \\ [/tex]

[tex] x= 10 - 4(3) \\ x = 10 - 12 \\ x = - 2[/tex]

we have (-2,3)

ATTACHED IS THE SOLUTION

Answer:

.24 as a fraction is 6/25

Step-by-step explanation:

1) Let convert our decimal into a percentage so we could write it in the not simplified fraction of 0.24:

.24 = 24% = 24/100

2) Now since we have 24/100, we could now simplify:

24/100 = 12/50 = 6/25

We can't simplify anymore.

Answer: 6/25

Step-by-step explanation: