HELP ASAP

Consider the function
Which graph below matches that function?

Answer:

729.5

Step-by-step explanation:

Perimeter of Rectangle is 44m

A perimeter is a closed path that encompasses, encircles, or delineates a one-dimensional length or a two-dimensional shape.

According to the given information

Area of Rectangle = l × b

Area of Rectangle = 105 \(m^{2}\)

Length of one side = 7 m

Let the length of the adjacent side = b

Area of Rectangle given = 7 × b

                     105   = 7 × b

                       b    =  \(\frac{105}{7}\)

                       b   = 15 m

Perimeter of Rectangle given = 2( l + b )

                                        = 2 ( 7 + 15 )

                                        = 2 × 22

                                        = 44m

Perimeter of Rectangle is 44m

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Answer: 12:32

Step-by-step explanation: 3:8 x 4:4 = 12:32

3:8 6:12 9:24 12:32

The statement that is NOT true is "Line a and line b have the same slope."

In mathematics, slope refers to the measure of steepness of a line or a curve. It is defined as the ratio of the vertical change (rise) to the horizontal change (run) between any two points on the line or curve. In other words, slope is the amount by which the dependent variable (y) changes for a unit increase in the independent variable (x)

Given by the question.

Since lines a and b are parallel, they have the same slope. However, the statement that they have the same slope is true, so it cannot be the statement that is not true.

On the other hand, line c is perpendicular to both lines a and b, which means that its slope is the negative reciprocal of the slopes of lines a and b. Therefore, the product of the slopes of line c and line b is -1, and the product of the slopes of line a and line c is -1. Additionally, the sum of the slopes of line b and line c is 0, since the slopes are opposite reciprocals of each other.

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By using Manhattan as the dissimilarity measure, the absolute error of the given partitioning is 52.

Using the Manhattan distance, the distance between a point x and its representative object y is given by:

d(x, y) = |x - y|

The absolute error E is given by:

E = ∑d(x, y), for all x in the dataset

where y is the representative object of the cluster to which x belongs.

Using the given information, the dataset consists of the following seven points:

{3, 18, 23, 30, 30, 32, 34}

The representative objects of clusters C1 and C2 are m1 = 30 and m2 = 32, respectively.

Points P1 = 3 and P2 = 30 belong to cluster C1,

Points P3 = 18, P4 = 23, and P5 = 34 belong to cluster C2.

Therefore, we have:

d(P1, my) = |3 - 30| = 27

d(P2, my) = |30 - 30| = 0

d(P3, m2) = |18 - 32| = 14

d(P4, m2) = |23 - 32| = 9

d(P5, m2) = |34 - 32| = 2

Hence, the absolute error E is the sum of these distances:

E = d(P1, my) + d(P2, my) + d(P3, m2) + d(P4, m2) + d(P5, m2)

= 27 + 0 + 14 + 9 + 2 = 52

Thus, the absolute error of the given partitioning is 52.

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Answer:

$ 27.6.

Step-by-step explanation:

Let the cost of tea be C.

Let the mass of tea be M

From the question given, we were told that the cost of tea varies directly with the mass. This can be expressed as:

C & M

C = KM

K is called constant of proportionality.

C is the cost of the tea.

M is the mass of tea.

Next, we shall determine the constant of proportionality, K.

Cost (C) = $ 10.35

Mass (M) = 4.5 kg

Constant (K) =..?

C = KM

10.35 = K × 4.5

Divide both side by 4.5

K = 10.35/4.5

K = 2.3

Finally, we shall determine the cost of 12kg of tea as follow:

Mass (M) = 12 kg

Constant (K) = 2.3

Cost (C) =..?

C = KM

C = 2.3 × 12

C = $ 27.6

Therefore, the cost of 12 Kg of tea is $ 27.6

Answer:

$27.6

Step-by-step explanation:

10.35 divided by 4.5 = 2.3

$2.3 for 1 kg

2.3 times 12= 27.6

Using the formula for the crude birth rate we find out that the crude birth rate for the country Poland is 9.78.

It is given to us that -

There were 375,160 births in Poland

The population counted 38,346,279 people

We have to find out the crude birth rate for this country.

The crude birth rate of a country can be defined as the ratio between the number of live births that happened in a population for a given year and the total population of the country for that particular year and then multiplying the ratio by 1000.

So, the crude birth rate for the country, Poland with 375,160 births and population of 38,346,279 people can be given as -

\((\frac{375160}{38346279}) * 1000\\= 9.78\)

Therefore, the crude birth rate for the country Poland is 9.78.

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The final cost of the item after a 35% discount and 9.8% sales tax is $53.54.

The given problem is related to percentage discounts and sales tax and can be solved using the following steps:

Step 1: Firstly, we need to determine the discount amount, which is 35% of the original price. Let's calculate it. Discount = 35% of the original price = 0.35 x $75 = $26.25

Step 2: Now, we will calculate the new price after the discount by subtracting the discount amount from the original price.New Price = Original Price - Discount AmountNew Price = $75 - $26.25 = $48.75

Step 3: Next, we need to calculate the amount of sales tax. Sales Tax = 9.8% of New Price Sales Tax = 0.098 x $48.75 = $4.79

Step 4: Finally, we will calculate the final cost of the item by adding the new price and the sales tax.

Final Cost = New Price + Sales Tax Final Cost = $48.75 + $4.79 = $53.54

Therefore, the final cost of the item after a 35% discount and 9.8% sales tax is $53.54.I hope this helps!

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There are 14 members in the club, and there are 4 leadership positions. Each position can be filled by any of the 14 members, so there are 14 ways to fill the first position, 14 ways to fill the second position, and so on. However, we have overcounted because we have not taken into account that a member cannot serve in two positions simultaneously. To correct for this overcounting, we divide by the number of ways that a member can serve in two positions simultaneously, which is 1. Therefore, the total number of ways that the club leadership can be organized is:

14 * 14 * 14 * 14 / 1 = 14^4 = 20736 ways.

Step-by-step explanation:

it's it's a photo hope this will help you

Answer:

I guess it's

3(4x+9)

Step-by-step explanation:

for more information watch a video about how to factor binomial

Answer:

The correct answer is 5.

Step-by-step explanation:

For the first circle,

When we add 6,18,12,

we get 6+18+12 = 36

Now

when we divide 36 with 6 we get 6.

again,

for second circle,

When we add 10,53,18

we get 10 + 53 + 18 = 81

when we divide 81 with 9 we get 9.

Now

let the unknown number be x.

so,

Pattern : When we add all of the number in the circle excluding the smallest number and dividing it by the smallest number we get the same number.

following the pattern,

Here in the options x>=5 (smallest number in the circle 3)

so, we can take smallest number as 5.

As the pattern,

(x+10+10)/5 = x

or, (x+20)/5 = x

or, x+20 = 5x

or, 5x-x = 20

or, 4x = 20

so, x = 5

15 is area of Side of Square .

What is a square, exactly?

All four of the sides and all four of the angles make up the regular quadrilateral known as the square. The square's angles are 90 degrees away from each other or at right angles. In addition, the square's diagonals are equally spaced and split at a 90-degree angle.

Length of diagonal of Square =15√2 cm-------------(1)

Let side of Square = a cm

So, Length of Diagonal

By Using Pythagorean Theorem

       = √a² + a²

        =  a√2        ........................(2)

  Equating (1) and (2)

    a√2   =  15√2

      a = 15

 cancelling root 2 from both sides.

     a = 15

Side of Square= 15 cm

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The complete question is -

Find the side of a square whose diagonal is of the given measure. Given = 15√2 cm.

if Mike draws a card randomly, he has a 40% chance of getting a grade of "A".

The probability of an event is a numerical measure of the likelihood that the event will occur. It is expressed as a fraction or decimal between 0 and 1, where 0 indicates that the event is impossible and 1 indicates that the event is certain to occur. In this case, the event is Mike getting a grade of "A" on the oral exam, and the probability of this event is calculated as the number of favorable outcomes (cards with answers known by Mike) divided by the total number of possible outcomes (all 20 cards).

So, if Mike draws a card randomly from the set of 20 cards, he has a chance of 8/20 = 2/5 = 0.4 or 40% of answering all 3 questions correctly and getting a grade of "A". This means that if the experiment of drawing a card and answering the questions is repeated many times, Mike is expected to get a grade of "A" in 40% of those instances. The probability of Mike getting a grade of "A" is equal to the number of favorable outcomes (cards with answers known by Mike) divided by the total number of possible outcomes (all 20 cards).

Since Mike knows the answers to all 3 questions on 8 cards, the probability of him getting a grade of "A" is:

P(A) = 8/20 = 2/5 = 0.4 or 40%

So, if Mike draws a card randomly, he has a 40% chance of getting a grade of "A".

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Answer:

15 minutes

Step-by-step explanation:

To figure this out, you can create a ratio. If we say the first 2000 miles is the 1 in the ratio, the ratio would be 1 : 2.5. Since it took 6 minutes for the first 2000, you have to multiply 6 by 2.5 to get your answer of 15 minutes.

The probability of selecting an orange marble is 0.33.

Option B is the correct answer.

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

The number of times each marble is selected.

Green = 4

Black = 6

Orange = 5

Total number of times all marbles are selected.

= 4 + 6 + 5

= 15

Now,

The probability of selecting an orange marble.

= 5/15

= 1/3

= 0.33

Thus,

The probability of selecting an orange marble is 0.33.

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\(\large\underline{\underline{\red{\sf \blue{\longmapsto} Step-by-step\: Explanation:-}}}\)

Given to points to us are :-

Now , we can use Distance Formula , which is :-

\(\boxed{\purple{\tt Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}}}\)

Here ,

→ Substituting the respective values ,

⇒ Distance = √ [ ( 6 - 1)² + ( 3 +9)² ] .

⇒ Distance = √ 5² + 12²

⇒ Distance = √ 25 + 144

⇒ Distance = √ 169 .

⇒ Distance = 13 units .

Hence the distance between two points is 13u.

Answer:

I believe it's the first option.

Question 8

1) \(\triangle ACE\) with \(\overline{AC} \cong \overline{EC}\), \(\overline{BC} \cong \overline{DC}\) (given)

2) \(\angle C \cong \angle C\) (reflexive property)

3) \(\triangle ACD \cong \triangle ECB\) (SAS)

Question 9

1) \(\overline{PQ}\) and \(\overline{PR}\) are the legs of isosceles \(\triangle PQR\), \(\overline{PS} \cong \overline{QR}\) (given)

2) \(\angle PSQ\) and \(\angle PSR\) are right angles (definition of perpendicular lines)

3) \(\angle Q \cong \angle R\) (angles opposite the legs of an isosceles triangle are congruent)

4) \(\overline{PS} \cong \overline{PS}\) (reflexive property)

5) \(\angle PSQ \cong \angle PSR\) (all right angles are congruent)

6) \(\triangle PSQ \cong \triangle PSR\) (AAS)

Question 10

1) \(\overline{AB} \cong \overline{CD}\), \(\overline{AB} \perp \overline{BC}\), \(\overline{CD} \perp \overline{AD}\) (given)

2) \(\overline{AC} \cong \overline{AC}\) (reflexive property)

3) \(\angle ABC\) and \(\angle ADC\) are right angles (perpendicular lines form right angles)

4) \(\triangle ABC\) and \(\triangle ADC\) are right triangles (a triangle with a right angle is a right triangle)

5) \(\triangle ABC \cong \triangle CDA\) (HL)

6) \(\overline{AD} \cong \overline{CB}\) (CPCTC)

Using the fact that all points on a circle are equidistant to its center, we will see that:

a =  -3 ±√21

All the points on a circle are equidistant to its center. Here the center is at (-3, -2), and we know that (0, -6) is on the circle.

The distance between these two is:

d = √( (-3 - 0)^2 + (-2 + 6)^2) = 5

Then the distance between (a, 0) also should be 5 units, so:

5 = √( (-3 - a)^2 + (-2 - 0)^2)

5 = √( (-3 - a)^2 + 4)

5^2 = (-3 - a)^2 + 4

25 - 4 = (-3 - a)^2

21 = (-3 - a)^2

±√21 = -3 - a

a = -3 ±√21

these are the two possible values of a.

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After scoring 77, 87, and 74 on her previous three tests, Amy needs to score 66 on her next test in order to have an average of 76.

To find the score that Amy needs on her next test to have an average of 76, we need to use the formula for the mean of a set of numbers:
Mean = (Sum of all numbers) / (Total number of numbers)

We know that Amy's current scores are 77, 87, and 74, and we want her average to be 76. Let's call the score she needs on her next test "x".
So, we can plug these values into the formula:
76 = (77 + 87 + 74 + x) / 4

Now, we just need to solve for x:
76 * 4 = 77 + 87 + 74 + x
304 = 238 + x
x = 304 - 238
x = 66

So, Amy needs to score a 66 on her next test in order to have an average of 76.

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Answer:

6.453 × 10 × -10 × -10 × -10

Step-by-step explanation:

6.453 × 10–^3

6.453 × 10 × -10 × -10 × -10

Is that a negative? The one after the 10? If not then just take away the negatives from the 10's.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

The given number can be written without exponents as 0.006453.

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The given expression can be written without exponents as,

6.453 × 10⁻³

= 6.453 × (1/1000)

= 6.453 × 0.001

= 0.006453

Hence, the given expression can be written without exponents as 0.006453.

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Answer:

b

Step-by-step explanation:

Answer:

2/9

Step-by-step explanation:

i just took a test with this exact question, and the answer was 2/9

youre welcome future learners ;)

Dana needs to score 93 on the fourth examination to raise his average to 86.

To find out the score Dana needs on the fourth examination to raise his average to 86, we can use the concept of averages.

Let's denote the score Dana needs on the fourth examination as X. We know that he has taken three examinations and received scores of 82, 89, and To find the average, we sum up all the scores and divide by the number of examinations:

Average = (82 + 89 + 80 + X) / 4

We want this average to be 86. So we can set up the equation:

86 = (82 + 89 + 80 + X) / 4

To solve for X, we multiply both sides of the equation by 4:

4 * 86 = 82 + 89 + 80 + X

344 = 251 + X

Now, subtracting 251 from both sides:

344 - 251 = X

93 = X

Therefore, Dana needs to score 93 on the fourth examination to raise his average to 86.

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Answer:

How to Cube A Number

To cube a number, just use it in a multiplication 3 times .

A cube root goes the other direction:

3 cubed is 27, so the cube root of 27 is 3

The term "mean" or "average" refers to a statistical measure that describes the central value of a set of data.

It is found by adding all the numbers in a set and dividing the sum by the total number of items in the set. The mean is a valuable tool in interpreting and comparing sets of data. Given below are the solutions to the problems presented:

a. Mean (average) = (24 + 45 + 38 + 56 + 27)/5= 190/5= 38

b. Mean (average) = (24 + 31 + 17 + 39 + 9 + 17)/6= 137/6= 22.83

c. Mean (average) = (125 + 136 + 174 + 116 + 164)/5= 715/5= 143

d. Mean (average) = (3.8 + 9.2 + 6.7 + 11.5)/4= 31.2/4= 7.8e.

Mean (average) = (7.3 + 7.5 + 7.0 + 8.1 + 8.0)/5= 38.9/5= 7.78

Therefore, the mean (average) of the given sets of numbers is:

a. 38 b. 22.83 c. 143 d. 7.8 e. 7.78

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Answer:

square feet per roll, this translates to about 188 square feet per person each week

The predicted value of y when x = 3, based on the least-squares regression line equation y = 50 - 15x, is y = 50 - 15(3) = 5.

The given least-squares regression line equation y = 50 - 15x represents a linear relationship between the variables x and y. In this equation, the coefficient of x (-15) represents the slope of the line, and the constant term (50) represents the y-intercept.

To find the predicted value of y when x = 3, we substitute x = 3 into the equation and solve for y. Plugging in x = 3, we have y = 50 - 15(3). Simplifying this expression, we get y = 50 - 45 = 5.

Therefore, when x = 3, the predicted value of y based on the least-squares regression line is 5. This means that according to the regression line, when x is 3, the expected or estimated value of y is 5.

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