Use the graph below for this question:

graph of parabola going through negative 3, negative 3 and negative 4, negative 1.

What is the average rate of change from x = −3 to x = −4?

3
4
−3
−2

Answers

Answer 1
average rate of change is just the slope betwen the points
that is just the slope between (-3,-3) and (-4,-1)

slpe between (x1,y1) and (x2,y2) is (y2-y1)/(x2-x1)

so slope between (-3,-3) and (-4,-1) is (-1-(-3))/(-4-(-3))=(-1+3)/(-4+3)=2/-1=-2

the average rate of change is -2
Answer 2
I believe it's going to be -2

Related Questions

A quadrilateral has two consecutive angles that measure 90° each. Which of the following quadrilaterals could have this property?

i. square

ii. rectangle

iii. parallelogram

iv. kite

v. rhombus

vi. trapezoid

A.

i, ii

B.

i, ii, iii

C.

i, ii, iii, iv

D.

i, ii, iii, v, vi

Answers

Final answer:

A square, rectangle, and certain cases of rhombuses and trapezoids can have two consecutive right angles, while typically a parallelogram and kite do not unless they are special cases of the rectangle or square respectively.

Explanation:

In the context of quadrilaterals with two consecutive right angles, it's important to recognize that certain quadrilaterals have this property by definition. A square and a rectangle both have four right angles, which means they certainly have at least two consecutive right angles.

A parallelogram typically does not have right angles, but a rectangle is a special type of parallelogram with right angles, so it fits this description. A kite generally does not have right angles unless specifically constructed to do so, which is not typical.

A rhombus can have right angles, making it a square, so it fits the criteria too. A trapezoid can also have a pair of consecutive right angles when it is a right trapezoid.

Therefore, the list of quadrilaterals that might have two consecutive right angles is not only the square and the rectangle but extends to include the rhombus and trapezoid as well.

Given these definitions, the correct answer to the question would be:

D. i, ii, iii, v, vi

Final answer:

The quadrilaterals that can have two consecutive angles measuring 90° each are squares, rectangles, and certain parallelograms (when they are squares or rectangles). Therefore, the correct answer to the question is B. This includes a square (i), a rectangle (ii), and some parallelograms (iii).

Explanation:

If a quadrilateral has two consecutive angles measuring 90° each, it could be any of the shapes that inherently contain right angles by definition. These shapes are a square, a rectangle, and certain types of parallelograms, specifically rectangles and squares. Both a square and a rectangle always have four right angles, which makes them valid answers. A rhombus or a general parallelogram may also have right angles, but only in specific cases, such as when a rhombus is also a square. Thus, kites and trapezoids do not necessarily fit this criterion as they do not always have consecutive right angles. Therefore, the correct answer is B, which includes a square, a rectangle, and some parallelograms.

For what values of x and y are the triangles congruent?

a. x=-4. y=-4

b. x=-4, y=4

c. x=4, y=7

d. x=7, y=4

Answers

The triangles, or any pair of polygon, are congruent if and only if the corresponding sides have the same lengths and the corresponding angles have the same measures.

From the given choices above, it can be seen that only the choice in A will give us this relationship. Thus, the answer is A. 

the equation of line AB is y = 1/5x -1 write an equation of a line perpendicular to line AB in slope intercept form that contains point (1, -2)

Answers

y= -5x+3 is the equation that is perpendicular to line AB with the point (1,-2) 
The slope of a perpendicular line is the opposite reciprocal of the slope of the line that is given which means that the slope of the perpendicular line in this case is -5. To get the equation of the perpendicular line that goes through the point (1, -2 ) plug in the x and y vales along with the slope you calculated into the point slope formula and solve to get the slope intercept form. 

y-(-2) = -5(x-1)

y=-5x + 3

A man travelled 3/8 of his journey by a rail 1/4 by a taxi 1/8 by and the remaining 2km on foot what is the length of his total journey?

Answers

The man travelled in different ways: by rail, by taxi, by ___ and by foot. I placed a blank there because there seems to be a missing word in the given problem above. For sample purposes, let's just assume that is travel by bus.

Since all of these travels are equal to 1 whole journey, you can express each travel as a fraction. When you add them up, the answer would be 1. So,

3/8 + 1/4 + 1/8 + x = 1

The variable x here denotes the fraction of his travel by foot. We are only given the exact distance travelled on foot which is 2 km. We have to find the fraction of the travel by foot to determine the length of the total distance travelled. Solving for x,

x = 1 - 3/8 - 1/4 - 1/8
x = 1/4

That means that the travel by foot comprises 1/4 of the whole journey. Thus,

Let total distance be D.

1.4*D = 2 km
D = 8 km

Therefore, the man travelled a total of 8 kilometers.

find a positive angle less than one rotation that is coterminal with 750 degrees

Answers

To solve this problem, all you have to do is to subtract 360 degrees (equivalent to 1 rotation) from the given angle until the answer is less than 360 degrees.

1st subtraction: 750 – 360 = 390 degrees

2nd subtraction: 390 – 360 = 30 degrees

Therefore the positive angle less than one rotation that is coterminal with 750 degrees is 30 degrees.


Which statements about the graph of the function f(x) = 2x2 – x – 6 are true? Check all that apply.

The domain of the function is .
The range of the function is all real numbers.
The vertex of the function is .
The function has two x-intercepts.
The function is increasing over the interval (, ∞).

Answers

we have

[tex] f(x) = 2x^{2}- x -6 [/tex]

using a graph tool

see the attached figure

we know that

1) the domain of the function is all real numbers-------> interval (-∞,∞)

2) The range of the function is the interval [-6.125,∞)

3) The vertex of the function is the point (0.25,-6.125)

4) The function has two x-intercepts-----> ( -1.5,0) and (2,0)

5) The function is increasing over the interval (0.25,∞) and decreasing over the interval (-∞,0.25)

Write two ratios that are equivalent to 3:11

Answers

6:22 and 9:33

Hopefully, this helps!

Among the contestants in a competition are 3636 women and 2525 men. if 5 winners are randomly? selected, find the probability that they are all? men? round to five decimal places.

Answers

Randomly only means that Nobody says before that the candidates must have a certain characteristic(e.g. that they have to be Male) and that Nobody knows before who gets chosen.

PLEASE HELP! A square piece of paper 144 mm on a side is folded in half along a diagonal. The result is a 45 -45-90 triangle. What is the length of the hypotenuse
A:140 mm
B:12 square root 2
C:280mm
D: 140 square root 2

Answers

Your answer is B. First, since we know that both legs are equal, we can figure out their lengths by finding the square root of 144 and that is 12. To find the hypotenuse, we multiply length by the square root of two. Being as your choices had that was part of one of your options, it would be logical to conclude that B is the correct answer.

A contractor records all of the bedroom areas, in square feet, of a five-bedroom house as: 100, 100, 120, 120, 180 What is the variance?

Answers

The variance is the total of the squared distances of the given data from the mean. 

This can be calculated through the equation,
        
                            σ² = summation of X² / N  - μ²

where σ² is the variance X's are the data, N is the number of terms, and μ is the mean.

   summation of X² = 100² + 100² + 120² + 120² + 180² = 81200
                          N = 5
                                        μ = (100 + 100 + 120 + 120 + 180) / 5
                                         μ = 124

Substituting these values to the equation for variance,
                                 
                              σ² = (81200/5) - 124² = 864

Thus, the variance is equal to 864. 

The variance of the five bedroom house is 864.

The formula variance

σ²

[tex]=\frac{X^2}{N} -u^2[/tex]

To get the value of X²

= 100²+100²+120²+120²+180²

= 81200

The number is N = 5

u = mean

[tex]u = \frac{100+100+120+120+180}{5}[/tex]

u = 124

The values in the variance formula

[tex]\frac{81200}{5} -124^2[/tex]

16240-15376

= 864

The variance is 864

Read more on variance here:

https://brainly.com/question/15858152

Find the sale price when the original price is $37.00 and the discount rate is 44%.

a.
$20.72
c.
$35.37
b.
$16.28
d.
$1.63




 

Please select the best answer from the choices provided

Answers

7(100-44)/100

37(0.56)

$20.72
37x.44 = 16.28
37-16.28=20.72 so answer A. Is ur answer

The manager at a restaurant keeps track of the number of calzones and slices sold each day and the total money received. On Sunday, a total of 59 calzones and slices were sold, and the money collected was $456. If calzones are sold for $9 and slices are sold for $6, how many calzones and slices were sold?

Answers

so we set it up like beofre

c=number of calzones
s=number of slices



total of 59 so
c+s=59

total money was 456
9c+6s=456
we can divide both sides by 3 to simplify
3c+2s=152

use subsitution

c+s=59
minus s both sides
c=59-s
subsitute 59-s for c in other equation

3c+2s=152
3(59-s)+2s=152
177-3s+2s=152
177-s=152
minus 177 both sides
-s=-25
s=25


sub back
c=59-s
c=59-25
c=34


34 calzones
25 slices

If 5x + x2>100 then x is not

Answers

7 - answer is not seven

The number of baseball cards in Neil's collection is 80 percent of the number in Larry's collection. If Neil has 80 fewer baseball cards than Larry, how many do they have altogether

Answers

N=L(80/100)

N=0.8L

....

N=L-80

Since N=N

0.8L=L-80  subtract 0.8L from both sides

0=0.2L-80  add 80 to both sides

80=0.2L  divide both sides by 0.2

400=L, and since N=L-80

N=320

N+L=400+320

So they have 720 baseball cards altogether.


Final answer:

The problem involves setting up an equation based on the given situation to solve for the number of baseball cards Neil and Larry have. By solving the equation, you find that Larry has 400 cards and Neil has 320 cards. So, they have 720 baseball cards together.

Explanation:

This is a problem of percentages and of algebra. First, you know that the number of cards Neil has is 80% of what Larry has. This can be set up as an algebraic equation, where N represents Neil’s cards and L represents Larry’s cards: N = 0.8L. You also know that Neil has 80 fewer cards than Larry, which provides a second equation: N = L - 80.

Because both expressions equal N, you can set them equal to each other to solve for L. This leads to 0.8L = L - 80. Solve this equation for L, and you get L = 400. Substituting this into the equation N = 0.8L, you find that N = 320. Therefore, Neil and Larry have 720 baseball cards altogether.

Learn more about Solving Equation here:

https://brainly.com/question/18322830

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A rectangle has a length of ∛81 and a width of 3 2/3 inches. Find the area of the rectangle.

A.3 2/3 power inches squared
B.3 8/3 power inches squared
C.9 inches squared
D. 9 2/3 power inches squared

Answers

First express ∛81 as an exponential expression, using the properties of exponents and roots:

[tex] \sqrt[3]{81}= 81^{ \frac{1}{3} }= (3^{4}) ^{ \frac{1}{3} }= 3^{ \frac{4}{3} } [/tex]

The area of the rectangle = length*width

=[tex]3^{ \frac{4}{3} } * 3^{ \frac{2}{3} } =3^{(\frac{4}{3} +\frac{2}{3}) }=3^{ \frac{6}{3} }= 3^{2}=9 [/tex] (inches squared).


Answer: 9 inches squared
We have
length = ∛81
width = [tex] 3^{ \frac{2}{3} } [/tex]

Area = [tex] \sqrt[3]{81} [/tex] ×  [tex] 3^{ \frac{2}{3} } [/tex]
Area = [tex] 81^{ \frac{1}{3} } [/tex] × [tex] 3^{ \frac{2}{3} } [/tex]
Area = [tex] ( 3^{4}) ^{ \frac{1}{3} } [/tex] × [tex] 3^{ \frac{2}{3} } [/tex]
Area = [tex] 3^{ \frac{4}{3} } [/tex] × [tex] 3^{ \frac{2}{3} } [/tex]
Area = [tex] 3^{ \frac{6}{3} } [/tex]
Area = [tex] 3^{2} [/tex]
Area = 9 inches squared

Line m passes through the point (4,1) and has a slope of -1/3. what is the equation of line m in standard form

Answers

hello:
an equation is : 
y - 1 = (-1/3)(x-4)
y = (-1/3)x +4/3 +1 
y = (-1/3)x +7/3 
3y = -x +7
is the equation of line m in standard form is : x+3y = 7

find the area of a regular hexagon if a side is 20cm

Answers

Area = 1039.23 square units

 Round answer as needed. See picture for equation

What is the quality a design has if it maintains all characteristics when it is rotated about a point lying in its plane?

Answers

Answer:

The answer is rotational symmetry.

Step-by-step explanation:

The Rotational symmetry is the quality a design has if it maintains all characteristics when it is rotated about a point lying in its plane. A shape is said to possess rotational symmetry when it still looks the same after we rotate it.                                            

What is the awnser to -10x+3(4x-2)=6

Answers

Hello there!

In order to solve that equation, you would need to distribute the 3 inside the parenthesis.

-10x + 3(4x - 2) = 6
-10x + 12x - 6 = 6

Then you would need to keep the variable in the left and everything else to the right - in other words, solving for x.

-10x + 12x - 6 = 6
2x = 12
x = 6

Your answer would be 6.
remember, you can do anything to an equation as long as yo do it to both sides
first, distribute
remember that a(b+c)=ab+ac
so
3(4x-2)=3(4x)+3(-2)=12x-6
so

-10x+3(4x-2)=6
-10x+12x-6=6
2x-6=6
add 6 to both sides
2x=12
divide by 2
x=6

What is #3 step by step?

Answers

When there is a minus before a parenthesis, you must change the sign of the number(s) inside the parenthesis.

(-9) - (-7) × [2 - (-9)]^2 + (-7)

-9 + 7 × [2 + 9]^2 - 7

- 9 + 7 * (11)^2 - 7

-9 + 7*121 - 7

-9 + 847 - 7

831

:) Answers? Thanks,❤

Answers

4) answer: 10?
6) answer: 12?
8) answer: 8?
4. the answer is 18
10+18+18-12=34

6. the answer is 12
10+10+19-12=27

8. the answer is 12
12-10+19+10=31

Mr. Carr has to buy each of his 24 students a flash drive. Each flash drive costs $12. How much will he spend?

Answers

Me Carr will spend $288

Answer:

Step-by-step explanation:

$228

A die is rolled 12 times find the probability of rolling exactly 12 ones

Answers

probability of rolling exactly 12 ones is 1/6^12

Answer:

[tex]P(X=12)=(12C12)(\frac{1}{6})^12 (1-\frac{1}{6})^{12-12}=4.59x10^{-10}[/tex]

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

We assume that the die is fair and the probability of obatin a one is 1/6.

Let X the random variable of interest, on this case we now that:

[tex]X \sim Binom(n=12, p=1/6)[/tex]

And we want to find this probability:

[tex] P(X=12)[/tex]

And if we replace we got:

[tex]P(X=12)=(12C12)(\frac{1}{6})^12 (1-\frac{1}{6})^{12-12}=4.59x10^{-10}[/tex]

Which graph shows the solution set for -1.1x+ 6.4> -1.3

Answers

-1.1x+ 6.4> -1.3
-1.1x > -7.7
        x <7

answer

x is less than 7


write the following inequality in slope intercept form. -6+2y less than or equal to 42

Answers

The slope intercept of a line is given by y=mx+c, where:
m=slope, c=y-intercept. 
Thus the slope-intercept form of our equation will be:
-6+2y≤42
adding 6 in both sides we get:
-6+6+2y≤42+6
2y≤6
dividing both sides by 2 we get:
(2y)/2≤6/2
y≤3
the answer is y≤3

Answer:  The required slpe-intercept form of the given inequality is

[tex]y\leq 0\times x+24.[/tex]

Step-by-step explanation:  We are given to write the following inequality in the slope-intercept form :

[tex]-6+2y\leq 42~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)[/tex]

We know that

the slope intercept form of a straight line with slope m and y-intercept c is given by

[tex]y=mx+c.[/tex]

Writing equation (i) in slope-intercept form, we have

[tex]-6+2y\leq 42\\\\\Rightarrow 2y\leq 42+6\\\\\Rightarrow 2y\leq 48\\\\\Rightarrow y\leq 24\\\\\Rightarrow y\leq 0\times x+24,[/tex]

where slope, m = 0  and  y-intercept, c = 24.

Thus, the required slpe-intercept form of the given inequality is

[tex]y\leq 0\times x+24.[/tex]

A test consists of 20 problems and students are told to answer any 15 of these questions. In how many different ways can they choose the 15 questions?

a. 15,504

b. 20,145

c. 23,670

d. 25,890

Answers

The total number of ways of picking r objects out of n, is given by the formula:

[tex]C(n, r)= \frac{n!}{(n-r)!r!} [/tex]

where a! is "a factorial", defined as a!=1*2*3*...*(a-1)*a

We are picking 15 objects (questions) out of 20, so substitute r=15 and n=20 in the formula:

[tex]C(20, 15)= \frac{20!}{(20-15)!15!}= \frac{20!}{15!*5!}= \frac{20*19*18*17*16*15!}{15!*5!}= [/tex]



[tex]\frac{20*19*18*17*16}{5!}= \frac{20*19*18*17*16}{5*4*3*2}= \frac{19*18*17*16}{3*2}=19*3*17*16=15,504[/tex]


Answer: A

Calculate the hypotenuse

Answers

Use Pythagorean's Theorem, [tex] a^{2}+ b^{2}= c^{2} [/tex].  Your a is 10 annd your b is 14. Or vice versa; it doesn't matter cuz either way you'll get the same answer.
[tex] 10^{2} + 14^{2} = c^{2} [/tex]
[tex]100+196= c^{2} [/tex]
[tex]296= c^{2} [/tex]
[tex] \sqrt{296} = \sqrt{ c^{2} } [/tex]
[tex]17.205=c[/tex]

P = 3^7 x 11^2 and Q = 3^4 x 7^3 x 11. Write as the product of prime factors the LCM of P and Q

Answers

Final answer:

The LCM of P and Q is found by taking the highest powers of the common prime factors from both numbers, which results in LCM(P, Q) = 37 x 73 x 112.

Explanation:

To find the Least Common Multiple (LCM) of P and Q when given as products of prime factors, we look for the highest powers of the prime factors that appear in either P or Q. In this case:

P = 37 x 112Q = 34 x 73 x 11

For prime factor 3, the highest power in P and Q is 37. For prime factor 11, the highest power is 112 (from P). Since prime factor 7 only appears in Q, we include it in its highest power, which is 73. Combining these, the LCM of P and Q as the product of prime factors is:

LCM(P, Q) = 37 x 73 x 112

Standard automobile license plates in a country display 1 numbers, followed by 2 letters, followed by 4 numbers. how many different standard plates are possible in this system? (assume repetitions of letters and numbers are allowed.)

Answers

there are 10 numbers ( 0-9)

there are 26 letters ( A-Z)

10 x 26 x 26 x 10 x 10 x 10 x 10 =67,600,000 possible combinations

PLEASE help me!!!!! and can you show me how you did it please!?!

Answers

Opposite sides of a parallelogram are equal so:
3x + 8 = 7x -24
32 = 4x
x = 8
angle JHK = 52°
Adjacent parallelogram angles are supplementary. (add up to 180°)
So angle HMK = 180° - 52 -20
Angle HMK = 108°


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