Consider the proposition
2x + 5 > 13
(a) is the condition x > 0 necessary, or sufficient, or both necessary and sufficient for the
inequality to be satisfied?
(b) Answer the same question when x 0x is replaced by x 50
(c) Answer the same question when x > 0 is replaced by x > 4.​

Answers

Answer 1

your answer is C

your answer is C

your answer is C

your answer is C

your answer is C

Answer 2

Answer:

C

Step-by-step explanation:

2x+5=13

2x+5-5=13-5

2x=8

2x/2=8/2

X=4


Related Questions

Arithmetic mean of marks (out of 25) scored by 10 students was 15. One of the student, named Karishma enquired the other 9 students and find the deviations from her marks are noted as −8,−6,−3,−1,0,2,3,4,6. Find Karishma's marks?​

Answers

Answer:

Krishna's marks x marks

so...

xˉ=15

xˉ=15n=10

xˉ=15n=10∑x=x+x−8+x−6+x−3+x−1+x+x+2+x+3+x+4+x+6=10x−3

15=10x-3/10

150+3=10x

x=150/10=15.3 marks

Krishna scored 15.3 marks.

hope it helps you sis...

A parallelogram has a height of 3.5 feet and a base measurement of 12 feet. What is the area of a triangle that has the same height and base measurement?
42 ft2
28 ft?
O2112
15.5 ft2

Answers

Answer:

42 ft 2 is the closest answer I got

HELP!!
The local Gas Station is selling 3.5 gallons of gasoline for $22.75. What is the unit price?
PLEASE HELP ME!!!!

Answers

Answer:

$6.50/gallon

Step-by-step explanation:

22.75 / 3.5 = $6.50/gallon

If , then what is –K

Asap!!!​

Answers

Answer:

I think C

I see a pattern

Do the opposite of their signs in the same number pattern just do their opposite sign.

I need help fast Estimate 81/4

Answers

Answer:

Step-by-step explanation:

20.25

hope it helps

plz plz plz help asap

Answers

Perimeter (P)
P= a+b+c
P=6.5+6.5+9
P=13+9
P=22ft

Area
A=h•b/2
A=4.7 •9/2
A=42.3/2
A=21.15 ft^2

Find the radius of a sphere whose volume is 12345mm

Answers

Answer:

14.34mm

Step-by-step explanation:

The formula for the volume of a sphere = 4/3nr³

where

n = 22/7

r = radius

give the volume of the sphere, we can determine the radius

12345 = 4/3 x 22/7 x r³

12345 = 88/21 x r³

divide both sides by 21/88

r³ = 2945.965909

take the cube root of both sides

r = 14.34 mm

Here are the boiling points of certain elements in degree Celsius:

•Argon: -185.8
•Chlorine: -34
•Fluorine: -252.87
•Krypton -153.2

List the elements from least to greatest boiling points.​

Answers

Answer:

Fluorine

Argon

Krypton

Chlorine

Select the correct product.



(x2 + 4x + 8)(2x - 1)

x2 + 8 x - 8
x2 + 6 x + 7
2 x3 - 7 x2 - 12 x - 8
2 x3 + 7 x2 + 12 x - 8

Answers

Answer:

2 x^3 + 7 x^2 + 12 x - 8

Step-by-step explanation:

To find the product you just had to simplify the expression.

Answer:Answer:

2 x^3 + 7 x^2 + 12 x - 8

Step-by-step explanation:

To find the product you just had to simplify the expression.



Which
Charles factors the expression 9 x + gx using a factor of 5 x. He writes the factored expression as 3 «(4x+1).
best describes the accuracy of Charles's solution?
His solution is accurate,
His solution is inaccurate. The factor does not divide evenly into both terms.
O His solution is inaccurate. The factoring of g xy using the given GCF is incorrect.
His solution is inaccurate. The factoring of 3 using the given GCF is incorrect.

Answers

Step-by-step explanation:

Charles factors the expression Four-thirds x y + one-third x using a factor of One-third x. He writes the factored expression as One-third x (4 y + 1). Which best describes the accuracy of Charles’s solution?

His solution is accurate.

His solution is inaccurate. The factor does not divide evenly into both terms.

His solution is inaccurate. The factoring of Four-thirds x y using the given GCF is incorrect.

His solution is inaccurate. The factoring of One-third x using the given GCF is incorrect.

i hope you understand

-3, -8, -13, ..., -3+ (-5)(n-1), ...
What is the 23rd term of the arithmetic sequence shown above?
A: -118
B: -113
C: 112
D: 107

Answers

I think it should be c

is the number below a perfect square how do you know 2 x 2 x 3 x 5 x 5​

Answers

Answer:

nope

nope

nopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenopenope

[tex]\huge\text{Hey there!}[/tex]

[tex]\huge\textbf{ASSUMING:}\\\\\mathsf{2\times2\times3\times5\times5}\\\mathsf{= 4\times3\times5\times5}\\\mathsf{= 12\times5\times5}\\\mathsf{= 60\times5}\\\mathsf{= 300}[/tex]

[tex]\huge\text{Therefore, your answer should be: \boxed{\mathsf{300}}}\huge\checkmark[/tex]

[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]

~[tex]\huge\boxed{\frak{Amphitrite1040:)}}[/tex]

A rectangular poster has an area of 26 square feet. It is 4 1/3 feet wide at it's base. What is the height of the poster?

Answers

Answer:

6 square feet

Step-by-step explanation:

Area = L * w

26    =  L * 4 1/3

26  =   L * 13/3

L  = 26 divided by 13/3

L = 26 * 3/13  =  6

answer = 6

Of the listed values, which are equal to the sine of B
B
? Select all that apply

Answers

Answer:

Step-by-step explanation:

The higher interest rate of a cash advance on a credit card with an existing balance can be eliminated by paying the
cash advance back within four weeks.
Please select the best answer from the choices provided
A.т
B.F

Answers

B

Thank you hope this helps

Answer:

False

Step-by-step explanation:

EDGE 2021

The largest swimming pool in the world is San Alfonso del Mar pool in Algarrobo, Chile. It is 1,013 meters long. How long is the pool in kilometers? Show your work.​

Answers

Answer:

1.013km

Step-by-step explanation:

1000m=1km

1m=1/1000km=0.001km

1013m=(1013*0.001)km=1.013km

I am so confused right now. will give brainlest to anyone how can solve this chicken scratch lol


1. Write an equation representing this hanger

2. find the value (or "weight) of one circle (w).

3. Explain how you found the value of one circle (w)

I really have no idea what any of this is​

Answers

Answer:

1. 25÷4w

2. w=6.25

3.I divided 25 by 4 to find w

Step-by-step explanation:

addie spent 4.32 on 6 cherry-flavored popsicles. find the unit rate

Answers

Answer:

$0.72

Step-by-step explanation:

4.32 dollars per 6 popsicles.

4.32 / 6 = 0.72 per popsicle.

If a man can stack 30 bricks in 6 hours at that rate how many bricks can he stack in 33hours

Answers

30 bricks = 6 hours

x bricks = 33 hours

(33) (30) = (6) (x)

990 = 6x

x = 165 bricks

Answer:

165 bricks

Step-by-step explanation:

Bricks                 Hours

30                        6

5.5                      5.5

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

165                      33

so what i did to get it was to first divide 33 by 6 and got 5.5 so i multiply it to by the other number and got 165 bricks in 33 hour   hope this helps

7÷0.1
=_______÷_______
1 Whole, 7 tenths, 1 tenth, or 7 wholes

Dose anybody know or can help please.

Answers

Answer:

7 wholes / 1 tenth

Step-by-step explanation:

during a particular period a university's information technology office received 20 service orders for problems with printers, of which 8 were laser printers and the rest are inkjet printers a sample of 5 of these service orders is to be selected for inclusion in a customer satisfaction survey what is the probability that 3 were laser printers

Answers

Answer:

0.2384 = 23.84% probability that 3 were laser printers.

Step-by-step explanation:

The printers will be chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x sucesses is given by the following formula:

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}[/tex]

In which:

x is the number of sucesses.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

[tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.

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

In this question:

20 orders means that [tex]N = 8[/tex]

8 were laser printers, which means that [tex]k = 8[/tex]

Sample of 5 means that [tex]n = 5[/tex]

What is the probability that 3 were laser printers?

This is P(X = 3).

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}[/tex]

[tex]P(X = 3) = h(3,20,5,8) = \frac{C_{8,3}*C_{12,2}}{C_{20,5}} = 0.2384[/tex]

0.2384 = 23.84% probability that 3 were laser printers.

What is the diameter of a 5mm circle?

Answers

Answer:

If the radius is 5mm, the diameter is 10mm.

Step-by-step explanation:

5*2=10

You start at (2, -1). You move right 3 units and up 4 units.
Where do you end?

Answers

Answer:

(5,3)

Step-by-step explanation:

Answer:

(5, 3)

Step-by-step explanation:

(x, y)----> (x + 3, y + 4)

(2,  -1)----> (2 + 3, -1 + 4)

(5, 3)

Choose the correct symbol to
compare these numbers.
0.480 [?] 4.8

Answers

Answer:    >

Step-by-step explanation:

Help! I'll give brainliest to first correct answer.

Answers

1 to A

2 to C

3 to B

4 to D

and that's all

Jodie has $70 to spend on flowers for a school event. She wants to buy roses for $24 and spend the rest on lilies. Each lily flower costs $12. How many can she purchase without going over her budget?

Answers

Answer:

only 3

Step-by-step explanation:

she can purchase three or 3 without going over budget

Hey guys I need some help, Ty :)

Answers

the answer is 8! Hope that helps! Please give brainliest hehe

Step-by-step explanation:

Download math may that help

Level 2: Find the area of the shape:
8 ft
6 ft
14 ft
5 ft
5 ft
Area:
ft2
Help please!!!!

Answers

Step-by-step explanation:

a triangle is the area of 2

PLEASE I NEED HELP CLICK ON THIS IMAGE

Answers

Answer:

4+5/2

9/2= 4.5

Step-by-step explanation:

Answer:

$4.00

Step-by-step explanation:

the median is the middle term in a sequence

since there are an even number of terms and not an obvious median, we take the two middle terms, add them together, and divide by two

So, 5+3= 8

8÷2= 4

hope this helps chu

Pamela has a rectangular rug with an area of 90 square feet. The rug is 9 feet longer
than it is wide. Find the width of the rug.
w = 15 feet
w = 6 feet
w = 10 feet
w = 9 feet
HELP PLEASEEE

Answers

Answer:

its 10

Step-by-step explanation:

area of rectangle =length×width.

so,

90=9×b

90/9=b

b=10.

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