A compound inequality is graphed, and its graph consists of all real numbers.

Which open sentence could have resulted in this solution set?


A. r < 3 or r > –2


B. r > 3 or r > –2


C. r < 3 or r < –2


D. r > 3 or r < –2

Answers

Answer 1

Answer:

A

Step-by-step explanation:

Domain of r<3: (-∞,3)

Domain of r>-2: (-2,+∞)

(-∞,3)U(-2,+∞)=(-∞,+∞) = ℝ


Related Questions

Find the value of x.
35
21
Х
X=
= [?]
Help

Answers

Step-by-step explanation:

Using Pythagoras theorem

x=✓(35²-21²)=✓784=28 units

Please please help!! I really need help on this question

Answers

Answer:

They purchased 20 ounces of candy total

Step-by-step explanation:

just add 12 + 8

=20 ounces

Calculate the sample variance and sample standard deviation for the following frequency distribution of heights in centimeters for a sample of 8-year-old boys. If necessary, round to one more decimal place than the largest number of decimal places given in the data. Heights in Centimeters Class Frequency 116.1 - 120.0 38 120.1 - 124.0 24 124.1 - 128.0 28 128.1 - 132.0 43 132.1 - 136.0 29

Answers

Answer:

[tex]s^2 = 0.9938[/tex] --- sample variance

[tex]s = 0.9969[/tex] --- sample standard deviation

Step-by-step explanation:

Given

[tex]\begin{array}{cc}{Heights} & {Frequency} & {116.1-120.0} & {38} & {120.1-124.0} & {24} &{124.1-128.0} & {28} & {128.1-132.0} & {43} & {132.1-136.0} & {29} \ \end{array}[/tex]

Required

Calculate the sample variance and sample standard deviation

First, we calculate the midpoint of each class:

[tex]\begin{array}{ccc}{Heights} & {Frequency} & {m} &{116.1-120.0} & {38} & {118.05}& {120.1-124.0} & {24}& {122.05} &{124.1-128.0} & {28} &{126.05}& {128.1-132.0} & {43} & {130.05} &{132.1-136.0} & {29} &{134.05}\ \end{array}[/tex]

The midpoints are calculated by taking the average of the class intervals.

For instance:

Class 116.1 to 120.0 has a midpoint of

[tex]m = \frac{1}{2}(116.1+120.0)[/tex]

[tex]m = \frac{1}{2}(236.1)[/tex]

[tex]m = 118.05[/tex]

The same approach is applied to other classes.

Next, is to calculate the mean:

[tex]\bar x = \frac{\sum fx}{\sum f}[/tex]

In this case, it is:

[tex]\bar x = \frac{\sum fm}{\sum f}[/tex]

Where

[tex]m = midpoint[/tex]

So, we have:

[tex]\bar x = \frac{118.05*38+122.05*24+126.05*28+130.05*43+134.05*29}{38+24+28+43+29}[/tex]

[tex]\bar x = \frac{20424.10}{162}[/tex]

[tex]\bar x = 126.07[/tex]

The sample variance (s^2) is:

[tex]s^2 = \frac{\sum(m - \bar x)^2}{\sum f -1}[/tex]

This gives:

[tex]s^2 = \frac{(118.05-126.07)^2+(122.05-126.07)^2+(126.05-126.07)^2+(130.05-126.07)^2+(134.05-126.07)^2}{38+24+28+43+29-1}[/tex]

[tex]s^2 = \frac{160.002}{161}[/tex]

[tex]s^2 = 0.9938[/tex]

The sample standard deviation (s) is:

[tex]s = \sqrt{s^2[/tex]

[tex]s = \sqrt{0.9938[/tex]

[tex]s = 0.9969[/tex]

Rick and Lisa each have their own cookie jar Rick's cookie jar is 7/8 full and Lisa is 5/8. Fraction represents how much more of Rick's jar is full than Lisa?​

Answers

Answer:

2/8 is the right answer your welcome

2/8 of a jar more full.

Tip: ALWAYS circle the numbers or key information to get the best results.

Watch what happens!

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Some key information in this problem is 7/8, and 5/8.

Since they asked us how much more and what fraction represents it, we should subtract 5/8 from 7/8 to find how much more  full Rick's jar is than Lisa's.

7/8 - 5/8 = 2/8

So in summary, Rick's jar is 2/8 more full than Lisa's jar.


I went to the store and bought 4 packs of nerds for $0.98 each and a pack of Little Debbie cakes for $2.15. How
much money did I spend?

Answers

Answer:

6.07

Step-by-step explanation:

$6.07 because .98x4 = 3.92 and 3.92 + 2.15= 6.07

ANSWER NEED URGENTLY PLEASE •_•

Answers

Answer:

6. 49

7. 58

Step-by-step explanation:

6.3x-25+x+9=180

4x-16=180

4x=196

x=49

7. y=x+9=49+9=58

Juliet is standing on a balcony looking down at Romeo on the ground. The angle of depression from Juliet to Romeo is 37 degrees. If the balcony is 15 feet above the ground, how far is Romeo from the base of the house? Round to the nearest thousandths of a foot.

Answers

The answer is 15 can you brainlist this

Solve 7 2/3 − ( 1 2/4 + 3 6/8 )

Answers

Answer: 2.41666666667

Step-by-step explanation: .

Need help please. Thank u

Answers

The answer is the third option choice

find the prime facrorization for 100 A.2² × 5² B.2×50 C.4×25 D.2³ × 5² E. 2² × 5³ ​

Answers

Answer:

A

Step-by-step explanation:

100-25*4=5 squared*2 sqaured

so A

Answer:

prime factorization of 100=a.2²+5²

What to the power of 2 equals 9/16

Answers

4

3

As the power holds a negative, this means that we can put 1 over

9

16

, which is equal to

16

9

leaving us with;

(

16

9

)

1

2

The power of

1

2

is also another way of writing the square root;

=

16

9

From here you can find the square roots of 16 and 9, and giving you your final answer;

=

4

3

Step-by-step explanation:

(A)² = 9/16

A = 3/4 and -3/4

need to solve vertex angle​

Answers

Answer:

Step-by-step explanation:

I don’t know what was going on with those middle angles but adjacent angles must sum to 180 which 100 and 30 does not satisfy. The two upper angles must be (360-2(84))/2=96. It follows that the lower adjacent angles must be 180-96=84, just like the angles at top. Anyway the angle j must satisfy

j+2(84)=180

j+168=180

j=12 degrees

A tailor has 100 square yards of cotton and 120 square yards of wool material. it takes 2 square yards of each type to make a sports coat. It takes 1 square yard of cotton and 3 square yards of wool to make a pleated skirt. The tailor already has orders for at least 15 sport coats and 5 skirts. If the tailor sells each coat for $40 and each skirt for $45, how many of each garment should be made in order to fill the orders and maximize profit.

Answers

Answer:t  

Takes 2 Square Yards Of Each Type To Make A Sports Coat. It Takes 1 Square Yard Of Cotton And 3 Square Yards Of Wool To Make A Pleated Skirt.

Step-by-step explanation:

hope that is what you were needing

Will give brainliest

Answers

Answer:

A and D

Step-by-step explanation:

Answer:

A and D.

Step-by-step explanation:

The main property of rhombi is that they have all four congruent sides.

So the only two quadrilaterals with four congruent sides are A and D.

find c and round. geometry

Answers

Answer:

69.10738° or 69.1

The answer is 69.1 hope this helps

Quick I need it help

Answers

Answer:

8 hours

Step-by-step explanation:

it's increasing by 6 so at the end there's a reminder of 2.

Answer:

7

Step-by-step explanation:

60-16=44

44÷6≈7

Solve the system of equations below.
3x +8= 2
7x + 3y = 1

Answers

Answer:

I love alegbra anyways

The ans is in the picture with the steps how i got it

(Hope it helps can i plz have brainlist :D hehe)

Step-by-step explanation:

What is the percent of change of 14 to 10, rounded to the nearest 10th of a percent

Answers

Answer:

jnjnj

Step-by-step explanation:

yes

j jlnjknjkl.n

njn

jnjnjnjn

17. Answer the following question
A satellite moves at a speed of 2.4 x 104 km/h.
Work out how long it will take for the satellite to move a distance of 3.2 x 109 km.
Give your answer in standard form to 3 significant figures.​

Answers

Step-by-step explanation:

2.4 x 104= 249.6

3.2 x 109= 348.8

249.6 to 3 sig is 250

348.8 to 3 sig is 349.

I hope this answers your question.

Please nominate me as brainliest, if it's correct please

The cost of a set of DVDs after a 25%
markup can be represented by the
expression c + 0.25c. Simplify the
expression.

Answers

Answer:0.75c

Step-by-step explanation

So for this problem, 100% - 25% = 75%.

The equivalent equation will be 0.75c.

please help me asap ​

Answers

Answer:

60cm

24.84 ft

Step-by-step explanation:

First one:

think that you are moving right small triangle to the left

which makes it 12 x 5 rectangle = 60cm

Second one:

Kind of same way

which makes it 10.8 x 2.3 = 24.84

pls thanks and brainest

the answer is 60cm^2 <3

The points (6, -23) a
and
(11, r) lie on a line with slope 4. Find the missing coordinate r.

HELP ME PLEASE ITS DUE IN 2 HOURS I NEED HELPPP I WILL MARK BRAINLIEST HELPPP PLSSSSS

Answers

Answer:

[tex]r=-3[/tex]

Step-by-step explanation:

The line that passes through the two points (6, -23) and (11, r) has a slope of 4.

We want to determine the missing value of r.

We can use the slope formula:

[tex]\displaystyle m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Let (6, -23) be (x₁, y₁) and let (11, r) be (x₂, y₂). The final answer should be 4. Therefore:

[tex]\displaystyle \frac{r-(-23)}{11-6}=4[/tex]

Simplify and evaluate:

[tex]\displaystyle \frac{r+23}{5}=4[/tex]

Multiply both sides by 5:

[tex]r+23=20[/tex]

Therefore:

[tex]r=-3[/tex]

What is the slope of a line that passes through (1,5) (4,6)?

Answers

Answer:

m= 1/3

Step-by-step explanation:

Answer:

1/3

Step-by-step explanation:

A letter home to the parents of seniors at Westgate High School says, "a simple random sample of 30 Westgate seniors that took the SAT-M test this year produced a mean of 512 and a standard deviation of 95. A confidence interval for the true mean for all WHS seniors is 512.00 ± 47.8." The confidence level for this interval is Group of answer choices

Answers

Answer:

It's 99%

Step-by-step explanation:

It just is.

A confidence interval for the true mean for all WHS seniors is 512.00 ± 47.8." The confidence level for this interval is 99%. The correct option is D.

What is the percentage?

The percentage is defined as "out of 100." Similar to fractions and decimals, percentages are used in mathematics to represent subsets of a whole. When expressing a sum as a percentage, 100 equal components are regarded to make up the whole.

A percentage is a figure or ratio stated as a fraction of 100 in mathematics. Divide the amount by the total value to get the percentage, then multiply the resulting number by 100.

Since one percent (symbolized as 1%) is equal to one-hundredth of something, 100 percent stands for everything, and 200 percent refers to twice the amount specified.

Therefore, the correct option is D, 99%.

To learn more about percentages, refer to the link:

https://brainly.com/question/28269290

#SPJ5

The question is incomplete. Your most probably complete question is given below:

90%

92%

95%

99%

over 99.9%


1.03 – 0.06
subtracting Desimals of Different Lengths 1c

Answers

The answer should be 0.97

1. 9p - 4 = 41

2. 6y + 3 = 15

3. -4h + 8 =36

Answers

P=4.11111111 y=2 h=-7

Answer:

1: P= 4.9 2:Y=2 3:H=-7

Step-by-step explanation:

The first three terms of a sequence are given .Round to the nearest thousand (if necessary) 13,22,31, find the 31st term

Answers

Answer

The sum of this sequence is  66

How many square feet of outdoor carpet will
we need for this hole?
?
6 ft
2 ft
2 ft
3 ft)
5 ft
3 ft)
12 ft
Please

Answers

Answer:48 ft to the second power

Step-by-step explanation:

I just got it right on iready

The area of the outdoor carpet that needed for the hole should be considered as the  48 ft².

Calculation of the area:

Since

we know that

Area of the rectangle = Length (breadth)

here,

L = 12 ft

b =  5 ft

So,

area = 12 × 5  

= 60 ft²

Now

The cut off triangle area

area = 1/2 × base × height

= 1/2 × 4 × 3

= 12/2

= 6 ft²

Now

The cut off rectangle area should be

area = Lb

= 3 × 2

= 6 ft²

Now finally

The area of the outdoor carpet should be

= 60 - 6 - 6

= 48 ft²

learn more about an area here: https://brainly.com/question/17971267

Each of the following statements is correct in at least one number system. That is, the statement is correct if we assume the numbers are expressed in a base other than 10. It is up to you to find out which number base makes each statement correct. You need to justify your answer by converting the numbers in each operation to base 10 and showing that the statement is correct. For example, 36/6 = 7 is clearly not correct in base 10, but it is correct in base 12 because 3612 = 4210 and 4210/610 = 710.
Thus, 3612/612 = 712 is true.
a) 42/3 = 13
b) 23 + 44 + 14 + 32 = 223

Answers

Answer:

(a) Base 7

(b) Base 5

Step-by-step explanation:

(a) 42/3 = 13 testing base 7 we have:

4x7¹ + 2x7° = 28 + 2 = 30

3x7° = 3

1x7¹ + 3x7° = 7 + 3 = 10

30/3 = 10. Therefore, 42/3 = 13 is in base 7.

(b) 23 + 44 + 14 + 32 = 223. Testing base 5 we have:

2x5¹ + 3x5° = 10 + 3 = 13

4x5¹ + 4x5° = 20 + 4 = 24

1x5¹ + 4x5° = 5 + 4 = 9

3x5¹ + 2x5° = 15 + 2 = 17

2x5² + 2x5¹ + 3x5° = 50 + 10 + 3 = 63

13+24+9+17 = 63.

Therefore, it was done in base 5.

The equation of line k is y = -6/7 x + 10. Line m is perpendicular to line k and passes through (-3, -5). What is the equation of line m?
Write the equation in slope-intercept form. Write the numbers in the equation as proper fractions, improper fractions, or integers

Answers

Answer:

SOMEONE HURRY AND ANSWER THIS

Step-by-step explanation:

Convert -6/7 to 7/6 because they have to multiply together to equal -1.

Plug the -3 into x and the -5 into y

-5=7/6(-3)+b
(y=mx+b format)

-5=-3.5+b

Add 3.5 to both sides.

-1.5=b

Now add to the equation we had at the top to get your answer.

y=7/6x-1.5
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