Estimate the product of 653.2×4.6

Answer: slope = -4

Step-by-step explanation:

y – 3 = –4(x – 5)

y - 3 = -4x + 20

y = -4x + 23

slope = -4

1: you can keep mixed numbers when performing multiplication or division.-----> true

2: numerators must be multiplied by numerators and denominators must be multiplied by denominators.------>false

3: You must convert mixed numbers into improper fractions before multiplying or dividing. ------> false

4: The denominators MUST be the same.​ -----> false

The true statement is Statement A which is dogs of breed B typically weigh more than dogs of breed A using histogram in probability concept.

The likelihood of each possible occurrence is displayed on the y-axis of a probability histogram. A histogram is a statistical data display that makes use of rectangles to illustrate the frequency of data items in successive numerical intervals of equal size. The dependent variable is plotted along the vertical axis in the most typical type of histogram, while the independent variable is plotted along the horizontal axis. The distribution of data is depicted graphically in a histogram. A collection of neighboring rectangles, each with a bar that represents a certain type of data, is used to illustrate a histogram. Fill L1 with the values of the random variable (remember to use the class midpoints for continuous random variables). The associated percentages should be entered into L2 with a decimal format.

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Answer:

x= 0,1+3i, 1-3i

Step-by-step explanation:

So the first option

The equation of the perpendicular line is y = x + 3

Perpendicular line:

The perpendicular line means a straight line that makes the right angle (90 degrees) with the other line.

Given,

Here we have the equation y = -x + 3.

Now, we need to find the equation of the perpendicular line.

In order to find the equation of a perpendicular line, first we need to find the negative reciprocal of the slope given.

Through the given equation we have identified the slope of the line is -1. so the slope of the perpendicular line will be 1.

While looking at the graph we have identified the y intercept of the equation is 3.

So now we know the values of y-intercept and slope.

We just put them together, and apply it one the standard form of the equation of line, then we get,

y = 1x + 3

y = x + 3.

Therefore, the equation of perpendicular line is y = x +3.

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Answer:

1 in 10

Step-by-step explanation:

Answer:

They subtracted when they should have added

Step-by-step explanation:

You must do the opposite so if it says -17 you must add 17 to the other side the answer should be 32

189cm²

Step-by-step explanation:

area is multiplication so it will be L×B

also because its a rectangle

The graph is attached below.

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nswer : D) 1I, II and III

Answer:

C

Step-by-step explanation:

20+80 = 100

a triangle equals 180* so

1080-100=80 or just use a calculator OR with your brain

Answer:

3 f

Step-by-step explanation:

(-1)+(4)

-+(4)

-+4

-f+4

-f+4

3

3

Answer: The answer is -5559

Step-by-step explanation:

The marginal profit is -41 dollars.

In accounting, a profit is an income that is given to the owner throughout a successful market producing process (business).

The advertising is given by P(x) = 930 + 15x -4x².

The marginal profit at x = 7 is given by

P(x) = 930 + 15x -4x²

P'(x) = 15 - 8x

Now at x = 7 the marginal profit is

P'(7) = 15 - ( 8×7 )

or, P'(7) = -41

Hence there will be marginal profit of -41 dollars.

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the second one

Step-by-step explanation:

if 75 is the minum speed then you need to go more than 75 and less than 80 which is what the second one is showing

From the graph we can say that Domain : (-∞,-1) ∪(1,∞)

Range : (0,∞)

Mathematical procedures are comparable to those of a soda vending machine. You can choose from a variety of sodas after you deposit a particular sum of money. Similar to how we enter different numbers into functions, we also receive new numbers as the outcome. The two essential characteristics of functions are domain and range. A soda can be purchased using quarters and one dollar bills. If pennies are put into the machine, no soda flavor will be provided. As a result, the domain depicts the possible inputs, which are quarters and one-dollar bills. No matter how much you pay, a Coke machine won't give you a cheeseburger.

From the graph we can say that

Domain : (-∞,-1) ∪(1,∞)

Range : (0,∞)

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we have that the midpoint is (-2,-7)

and the endpoint is (12,-9)

We remember the midpoint formula:

Where (x1,y1) are the coordinates of one endpoint and

(x2,y2) are the coordinates for the other endpoint.

Here, we are trying to find (x2,y2) given that

(x1, y1) ---> (12, -9)

And since we also know the midpoint M(-2, -7), making a comparison with this and the midpoint formula, we get two equations, the first one is:

substituting x1 and solving for x2:

And now, with the second equation which is:

we substitute y1 and solve for y2:

solving for y2:

This the other endpoint (x2,y2) is at (-8,-5)

1) Let's make use of pair of number lines to find the union between those intervals:

2) Note that in the first line the point 10 is included, while in the second one is not so the answer is:

The solution for the quadratic equation is -5/2, 2/3

Given,

The equation: 18a² - 30 = -33a

We have to solve this equation

We can convert this equation into a quadratic equation:

18a² + 33a - 30 = 0

Now lets solve this quadratic equation with quadratic formula:

Quadratic formula = [tex]\frac{-b(+-)\sqrt{b^{2}-4ac } }{2a}[/tex]

Here,

a = 18, b = 33 and c = -30

Now we can solve:

[tex]\frac{-b(+-)\sqrt{b^{2}-4ac } }{2a}[/tex]

= [tex]\frac{-33(+-)\sqrt{33^{2} -4(18)(-30)} }{2(18)}[/tex]

=  [tex]\frac{-33(+-)\sqrt{1089-(-2160)} }{36}[/tex]

= [tex]\frac{-33(+-)\sqrt{1089+2160} }{36}[/tex]

= (- 33 ± √3249) / 36

= (- 33 ± 57) / 36

Solve for:

(- 33 + 57) / 36 = 24/36 = 2/3

Solve for:

(- 33 - 57) / 36 = - 90/36 = - 30/12 = -10/4 = -5/2

That is, the solution for the quadratic equation is -5/2, 2/3

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Simplification of the given expression 4 square root of 72 is equal to 24√2 or 33.94.

As given in the question,

Given expression,

4 square root of 72

Prime factors of 72 are as follow:

72 = 2 × 2 × 2 × 3 × 3

Rewrite them into exponent form we get

72 = 2³ × 3²

Simplification of the given expression 4 square root of 72 is

4√72

= 4 × √ 2³ ×3²

= 4 × √ 2² × 2 × 3²

Calculate the square root

= 4 ×2 ×3 √2

= 24√2

= 24 ×1.414

= 33.94

Therefore, simplification of the given expression 4 square root of 72 is equal to 24√2 or 33.94.

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The equation for two different bowling alleys is 2x - 3y = -2

This is a problem from algebraic equations. We can solve this problem by following a few steps.

In the first case, he paid $7 to rent a pair of shoes and x dollars an hour to bowl and bowled for 2 hours on Friday.

Here, the cost to bowl for one hour is x dollars. So, the cost to bowl for 2 hours is ( 2× x ) = 2x

Now, the total expenditure for shoes and to bowl is, (2x + 7) dollars

In the second case, he paid $5 to rent a pair of shoes and y dollars an hour to bowl and bowled for 3 hours on Saturday.

Here, the cost to bowl for one hour is y dollars. So, the cost to bowl for 3 hours is (3 × y) = 3y

Now, the total expenditure for shoes and to bowl is, (3y + 5) dollars.

As the total expenditure is the same in these two cases. Therefore, we can conclude,

(2x + 7) = (3y + 5)

Or, 2x - 3y = -2

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The equation in slope-intercept form that represents the function is: g(x) = -2x + 1.

To write the slope-intercept form of an equation that represents the linear function g, find the slope (m) of the line and determine the y-intercept (b) of the line, then substitute the values into g(x) = mx + b.

Slope of the line that represents function g = change in y/change in x = -6 units/3 units

Slope of the line (m) = -6/3

Slope of the line (m) = -2.

The line intercepts the y-axis at y = 1, therefore the y-intercept (b) of the linear function is b = 1.

To write the equation representing the function, substitute m = -2 and b = 1 into g(x) = mx + b:

g(x) = -2x + 1

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The length of the sides of the triangle is 11 inches.

Triangle:

Triangle is defined as the three-sided polygon that consists of three edges and three vertices

Given,

If the perimeter of the triangle is 33 inches, then we have to find the sides of the triangle.

Let x be the sides of the triangle, we know that the triangle has 3 sides.

And lest us consider this one as equilateral triangle.

So, the formula for perimeter is,

Perimeter = 3 x sides

Here we know the value of perimeter then the value of the sides are,

33 = 3 x sides

sides = 11

So, the value of the sides is 11.

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The whole numbers are defined as numbers that include naturals and zero. Not a fraction, decimal or negative numbers.

So in this case, the whole numbers are: 5 ; 0; 10.

Answer:

  [tex]y=\begin{cases}-\dfrac{7}{2}x-16&\text{for $-6\le x\le-4$}\\\\\dfrac{1}{5}x-\dfrac{6}{5}&\text{for $-4 < x < 1$}\\\\\dfrac{9}{4}x-\dfrac{13}{4}&\text{for $1\le x\le 5$}}\end{cases}[/tex]

Step-by-step explanation:

You want the piecewise function that describes the relation shown in the graph.

The relation shown consists of three line segments connecting the points ...

  (-6, 5) and (-4, -2)

  (-4, -2) and (1, -1)

  (1, -1) and (5, 8)

The equations for the lines between the pairs of points can be written using the slope formula and the point-slope equation of a line.

The slope formula tells you the slope is ...

  m = (y2 -y1)/(x2 -x1)

And the point-slope equation of a line is ...

  y -y1 = m(x -x1)

If we add y1 to the equation of the line, and substitute the equation for m, we get ...

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1 . . . . . . a 2-point formula for a line

Between x-values -6 and -4, the equation of the line will use the first pair of points:

  y = (-2 -5)/(-4 -(-6))(x -(-6)) +5

  y = -7/2(x +6) +5 = -7/2x -16

Between x-values -4 and 1, the equation of the line will use the second pair of points:

  y = (-1-(-2))/(1 -(-4))(x -(-4)) +(-2)

  y = 1/5(x +4) -2 = 1/5x -6/5

Between x-values 1 and 5, the equation of the line will use the last pair of points:

  y = (8 -(-1))/(5 -1)(x -1) +(-1)

  y = 9/4(x -1) -1 = 9/4x -13/4

The piecewise function uses the equation for the line that is applicable for the appropriate x-values. We have listed those sets of x-values above.

We need to make sure that the function has only one definition for any given value of x. When two segments have a point in common, we need to make sure only one segment includes it.

  [tex]y=\begin{cases}-\dfrac{7}{2}x-16&\text{for $-6\le x\le-4$}\\\\\dfrac{1}{5}x-\dfrac{6}{5}&\text{for $-4 < x < 1$}\\\\\dfrac{9}{4}x-\dfrac{13}{4}&\text{for $1\le x\le 5$}}\end{cases}[/tex]

Given:

Given the box plots of two different brands of shoes.

Required: Most appropriate comparison of the spreads

Explanation:

From the box plot of brand A,

Minimum value = 65

First quartile, Q1 = 70

Median = 75

Third quartile, Q3 = 80

Maximum value = 85

Also, from the box plot of brand B,

Minimum value = 15

First quartile, Q1 = 50

Median = 60

Third quartile, Q3 = 70

Maximum value = 85

The interquartile range is the difference between the upper quartile and the lower quartile

The interquartile range of brand A is

The interquartile range of brand B is

Option A is correct.

The median for brand A is $75, which is less than the median of brand B, $60.

Option C is correct.

Final Answer: The most appropriate

The required expressions about the geometry figure can be proven as follows;

1. The measure of ∠2 and ∠3 are congruent by the substitution property of equality

2. ∠2 and ∠3 are congruent, (∠2≅∠3) by the property of equality

The property of equality are properties that enable the solution of algebraic equations to be found and they include, addition, subtraction, multiplication, division, reflexive, substitution, transitive and symmetric properties.

1. The required paragraph to prove that ∠2 ≅ ∠3 is as follows:

Given that ∠1 and ∠2  form a linear pair, then their sum is 180°. Given that the sum of the measure of ∠1 and ∠3 is also 180°, then the sum of ∠1 and ∠2 is equal to the sum of ∠1 and ∠3. Therefore, by the addition property of equality, ∠2 ≅ ∠3.

2. The two column proof is as follows:

Statement               [tex]{}[/tex]                       Reasons

1. ∠ABC = ∠1 + ∠2 is ⊥                  1. Given

2. ∠ABC = 90°                               2. Definition of a perpendicular line

3. ∠1 + ∠2 = 90°                             3. Substitution property of equality

4. ∠1 and ∠3 are complementary  4. Given

5. ∠1 +∠3 = 90°                                5. Definition of complementary

6. ∠1 + ∠2 = ∠1 +∠3                         6. Substitution property of equality

7. ∠2 ≅ ∠3                                       7. Addition property of equality

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On the Left side is just an example.

On the paper is my answer to your question with explanation.

Hope this will help:)