What are some prime numbers between 80 and 90?

Answers

Answer 1
83 and 89 are prime numbers between 80 and 90.

Related Questions

1.) How could you describe the pair of lines y = 2x – 5 and 4x – 2y = 9: parallel, perpendicular, or neither?

2.) Explain why you chose parallel, perpendicular, or neither in #1.

Answers

The lines are parallel, but with slightly different y-intercepts. The lines are y=2x-5 and y=2x-4.5 The lines are parallel but one crosses the y-axis at 5 and one crosses the y-axis at 4.5.

A line contains the points (34, 12)(34, 12) and (32, 48)(32, 48) .

What is the slope of the line in simplified form?

Answers

the slope of the line in simplified form is -18.
The answer to this question is -18

which equation represents a line that passes trough (-9,-3) abd has a slope of -6?

Answers

Passes through (-9, -3) & has a slope of -6.

Use the slope-intercept form formula.

y = mx+b

Where m=slope, and b=y-intercept.

Our slope is -6, and our y-intercept is -3.

So, simply plug everything in! :)

y = mx+b

y = (-6)x + (-3)

Simplify.

y = -6x - 3

~Hope I helped!~
put the the numbers into slope-intercept form: (y1-y2)=m(x1-x2)
(-3-y)=-6(-9-x)
-3-y=54+6x
-y=57+6x
(-1)
y=-6x-57

Basketball game Trina scored 6 points less than twice the number of points Rachel scored Trina scored 12 points how many points did Rachel score

Answers

The answer is 18. It says that Trina scored 6 less than Rachel and Trina scored 12. Add 12 and 6 and get 18. Rachel scored 18 points
the answer is 18.


i hope this helps and have a wonderful day!!

a rectangle is three centimeters.longer than it is wide. if its length were to be decreased by two centimeters, its area would decrease by thirty square centimeters.
A) what are the dimensions?
B) what is it’s area?
Show your work using an equation

Answers

given/equations formed from text:
I: l=w+3
II: A=l*w
III: new area B=(l-2)*w
IV: B=A-30

substitute l in II with I to remove l:
II': A=l*w=
(w+3)*w=
w^2+3w

substitute l in III with I to remove l:
III': B=(l-2)*w=
(w+3-2)*w=
(w+1)*w=
w^2+w

substitute A and B from II' and III' into IV:
B=A-30
w^2+w=w^2+3w-30
30=2w
w=15

insert w=15 into I:
l=15+3=18
->
A) dimensions of full size rectangle are width 15 and length 18
dimensions of reduced size rectangle are width 15 and length 16

B) full size: 15*18=10*18+5*18=180+90=270cm^2
reduced size: 15*16=10*16+5*16=160+80=240cm^2


What is the value of the function at x=−3?



y = 4

y = 3

y = 0

y=−3

Answers

It looks like y = 4.  Why is the graph black?
You just move to that x value on the x axis then go to your graph (line) and what y - value is it across from?

Answer:

y=4

Step-by-step explanation:

Why did helga the witch sign up for anger management classes

Answers

Helga enrolled in anger management classes to control her temper, realizing it affected others and herself negatively, hoping to improve her witchcraft and life.

Helga the witch signed up for anger management classes because her temper was causing issues not just for others, but also for herself. Constantly flying off the handle and hexing everything in sight led to her feeling isolated and out of control. Plus, her cottage was starting to look like a scene from a horror movie, with all the shattered potion bottles and singed curtains. She realized that mastering her emotions would not only make her a better witch but also improve her quality of life. So, begrudgingly, she enrolled in the classes, hoping to learn some magical techniques for keeping her cool.

Please HELP FAST

Which system of inequalities is represented by the graph?

A. y ≤ –1/2x
y > –1

B. y ≥ –1/2x
y < –1

C. y < –1/2x
y ≥ –1

D. y > –1/2x
y ≤ –1

Answers

The answer is C ( y is less than -one half x, and y is greater than or equal to -1)
Hello there!

The correct answer is option C


I use a graphing calculator and here is what I found.


I hope I helped!

5/8, 7/9, 3/4
Order these numbers from LEAST to GREATEST.

A) 3/4, 5/8, 7/9

B) 5/8, 3/4, 7/9

C) 5/8, 7/9, 3/4

D) 7/9, 3/4, 5/8

E) 7/9, 5/8, 3/4

Answers

Least to greatest
6/8, 5/8, 7/9
54/72, 45/73, 56/72
45/73, 54/72, 56/72
5/8, 3/4, 7/9
B) 5/8, 3/4, 7/9

The answer would be B, which, in other words, would also be 5/8, 3/4, 7/9.

A polynomial function P(x) has a degree n. If n is even is the number of turning points of the graph of p(x) even or odd? What can you say about the number of turning points if n is odd?

Answers

I think the number of turning points if n is even  is odd.
For n = odd it could be odd or even.

The number of turning points if n is odd if A polynomial function P(x) has a degree n, is even.

What is polynomial?

A polynomial is a mathematical expression that solely uses the operations of addition, subtraction, multiplication, and positive-integer powers of variables. It is made up of indeterminate (also known as variables) and coefficients.

Given:

A polynomial function P(x) has a degree n,

A turning point is when the derivative's sign changes. A relative maximum or relative minimum might mark a turning point (also known as local minimum and maximum). A turning point is a stationary point if the function is differentiable, however not all stationary points are turning points.

For example, if the degree is 2 then the number of turning points will be 1

The general formula is, the number of turning points = n - 1

Thus, for odd n, the turning point will be even.

To know more about polynomials:

https://brainly.com/question/20121808

#SPJ2

What is the first step in solving an equation by completing the square?

Answers

Write the quadratic in the correct form, it must be in descending order and equal to zero.

the probability that it will rain today is 0.3 what is the probability that it will not rain?

Answers

Okay. 0.3 means that there is 30% chance that it will rain today. Subtract that number from 100 to get the chance it won’t rain. 100 - 30 = 70. There is a 70% chance that it will not rain today.

Answer: 0.7

Step-by-step explanation: 1-0.3 = 0.7

What is the perimeter of the rectangle shown on the coordinate plane, to the nearest tenth of a unit?

15.3 units
20.4 units
30.6 units
52.0 units

Answers

To calculate the perimeter, consider each side separately. Since this is a rectangle, you have 2 pairs of sides of equal length, so you just have to calculate the length of one of each pair of sides and then double each and add them to find the perimeter.

Top side: If you look carefully, this side is really the hypotenuse of a triangle that is 2 units tall and 10 units long. Using the Pythagorean Theorem, you can calculate the length of the hypotenuse to be 2^2 + 10^2 = c^2 --> c = 10.2

Left side: Just like the top side, this side is the hypotenuse of a triangle that is 5 units tall and 1 unit long. Pythagoras again: 5^2 + 1^2 = c^2 --> c = 5.1

Since you have two of each side that are the same length, double each and add for the final perimeter: 10.2*2 + 5.1*2 = 30.6
firstly, we will name the points as the following:
(-6,4)  will be named as A
(4,2) will be named as B
(3,-3) will be named as C 
(-7,-1) will be named as D 
then we will use the distance formula between any 2 points on the graph which equals=[tex] \sqrt({x}1-{x}2)^2 +({y}1-{y}2)^2[/tex]
So,
AB=[tex] \sqrt[/tex](-6-4)^2+(4-2)^2 =2[tex] \sqrt[/tex]26
BC=[tex] \sqrt[/tex](4-3)^2+(2+3)^2 = [tex] \sqrt[/tex]26
CD=[tex] \sqrt[/tex](3=7)^2+(-3+1)^2 = 2[tex] \sqrt[/tex]26
AD=[tex] \sqrt[/tex](-6+7)^2+(4+1)^2 =[tex] \sqrt[/tex]26
Now calculate the sum and it will equal=30.6

Please help!!
A ball is thrown straight up from a height of 3 ft with a speed of 32 ft/s. Its height above the ground after x seconds is given by the quadratic function y = -16x^2 + 32x + 3. Explain the steps you would use to determine the path of the ball in terms of a transformation of the graph of y = x^2.

Answers

The height above ground (y) as function of time (x) is given as
y = -16x² + 32x + 3

Write the equation in the standard form for a parabola.
y = -16[x² - 2x] + 3
   = -16[(x-1)² - 1] + 3
   = -16(x-1)² + 16 + 3
y = -16(x-1)² + 19
This equation shows that the parabola is downward, has its vertex at (1,19), and has its axis of symmetry at x = 1.
A plot of the graph is shown below.

Transformations of y = x².
The equation for the parabola can be obtained from y = x² in the following steps:
1. Shift right by 1 to obtain y = (x-1)².
2. Dilate by -16 to obtain y = -16(x-1)².
3. Shift up by 19 to obtain y = -16(x-1)² + 19.

Answer:

-4

16

2

16

Step-by-step explanation:

got it right.

How to determine the probability of an event with a small chance repeating?

Answers

OOH USE YOUR BRAiN AND THINK :D

Evaluate the expression below when x = 5.

3x(2x - 7)

A.) 0
B.) 24
C.) 45
D.) 143

Answers

the answer is D 143. welcome

what is your heart rate supposed to be per minute

Answers

60 beats per minute is the answer

Find two numbers whose sum is 49 and whose product is 544

Answers

17 and 32
I know this because,
17+32=49
And,
17×32=544

The two numbers are 16 and 33. They satisfy the conditions that their sum is 49 and their product is 544, as verified by setting up and solving a system of equations.

To find two numbers whose sum is 49 and whose product is 544, we can set up a system of equations based on the information given. Let's call the two numbers x and y. So, we have two equations:

x + y = 49xy = 544

By solving these equations simultaneously, we can find the values of x and y.

The easiest way to solve this might be to express y in terms of x from the first equation: y = 49 - x. Then, substitute this into the second equation:

x(49 - x) = 544

This simplifies to a quadratic equation:

x^2 - 49x + 544 = 0

Factoring this quadratic equation, we get:

(x - 16)(x - 33) = 0

Which gives us two possible values for x:

x = 16x = 33

Plugging these back into the equation for y, we get:

y = 49 - 16 = 33y = 49 - 33 = 16

So the two numbers are 16 and 33.

What time is 3 hours and 30 minutes before 5:00 P.M.?

Answers

5 - 3 = 2

2 pm so far

2:00 - 0:30 = 1:30 pm

your answer is 1:30 pm

hope this helps
1:30p.m is the time it would be

Nbc news reported on may 2, 2013, that 1 in 20 children in the united states have a food allergy of some sort. consider selecting a random sample of 25 children and let x be the number in the sample who have a food allergy. then x ~ bin(25, 0.05).

Answers

Part 1:

The probability of a binary distribution x ~ bin(n, p) is given by

[tex]P(X=x)=(^n_x)p^x(1-p)^{n-x}[/tex]

[tex]P(x\leq3)=P(0)+P(1)+P(2)+P(3) \\ \\ =(^{25}_0)(0.05)^0(1-0.05)^{25-0}+(^{25}_1)(0.05)^1(1-0.05)^{25-1} \\ +(^{25}_2)(0.05)^2(1-0.05)^{25-2}+(^{25}_3)(0.05)^3(1-0.05)^{25-3} \\ \\ =1\cdot1\cdot(0.95)^{25}+25\cdot(0.05)\cdot(0.95)^{24}+300\cdot(0.0025)\cdot(0.95)^{23} \\ +2300\cdot(0.000125)\cdot(0.95)^{22} \\ \\ =0.2774+0.3650+0.2305+0.0930 \\ \\ =\bold{0.9659}[/tex]



Part 2:

[tex]P(X\ \textless \ 3)=P(0)+P(1)+P(2) \\ \\ =P(X\leq3)-P(X=3)=0.9659-0.0930 \\ \\ =\bold{0.8729}[/tex]



Part 3:

[tex]P(X\geq4)=P(4)+P(5)+ . . . +P(25) \\ \\ =1-P(x\ \textless \ 4)=1-[P(0)+P(1)+P(2)+P(3)] \\ \\ =1-0.9659=\bold{0.0341}[/tex]

Identify the Asymptotes for the graphs below help pls!

Answers

Asymptotes are lines that continues to approach a given curve but never actually meets it! For the second figure it is the Y axis since the curves slowly appear to approach the Y axis! Not sure about the first figure(probably the X axis)!
Asymptotes are lines that continues to approach a given curve but never actually meets it! For the second figure it is the Y axis since the curves slowly appear to approach the Y axis! Not sure about the first figure(probably the X axis)!

Need help on an Algebra 2 question??!
Select the correct inequality for the graph below:

A. y > −2x + 2
B. y ≥ −2x + 2
C. y < −2x + 2
D. y ≤ −2x + 2

Answers

D. y ≤ −2x + 2 is the answer 

If molly walks 4 miles in 70 minutes, then molly will walk how far in 100 minutes if she walks at the same speed the whole time? if necessary, round your answer to the nearest tenth of a mile.

Answers

Find out how far Molly walks in 1 minute.

4/70 = 0.057 miles
In 100 minutes,
0.057x100 = 5.714 miles

Rounded to the nearest tenth, 5.7 miles.

Hope I helped :)

Sales fall from 300 per week to 270 per week what’s the percentage change

Answers

Hi there! 

Your question: 

Sales fall from 300 per week to 270 per week what's the percentage change?

My answer:

The formula for calculating percent change is as follows: 

[(y2 - y1)/y1]*100=your percent change 

y2= first value 
y1=second value 

Plug the numbers in: 

[(300-270)/300]*100

[30/300]*100

0.1*100

10 

Therefore, the percent change is 10%

Hope this helps! Let me know if it's incorrect so I can fix it:)

The product of two even numbers is always divisible by 4

Answers

Yes because 4 is an even number too but I really recommend you to always check by dividing it so a good answer to that would be... Yes, because 4 is an even number as well.

6​-ounce bag of rice noodles makes 5 servings. at that​ rate, find how many ounces of noodles are needed for 88 ​servings, to the nearest ounce

Answers

6 / 5 = 1.2 oz per serving <== ur unit rate

for 88 servings :
88 * 1.2 = 105.6....105 oz of noodles are needed <==

"in how many ways can 6 people be lined up to get on a bus?"

Answers

36, just do 6 times 6
The answer would be 6! 
Putting it another way it could also be
6*5*4*3*2*1= 720 ways.
So there would be 720 ways 6 people can be lined up on a bus.

Find the altitude of an equilateral triangle if each side of the triangle has a length of 20 m.

Answers

The answer would be 17.3205m.

Answer:

300 meters

Step-by-step explanation:

The altitude divides the equilateral triangle into two congruent 30-60-90 triangles. The altitude is the long leg whose length is

300

 meters.

What is the difference between advanced calculus and real analysis?

Answers

The content of any course depends on where you take it--- even two courses with the title "real analysis" at different schools can cover different material (or the same material, but at different levels of depth).

But yeah, generally speaking, "real analysis" and "advanced calculus" are synonyms. Schools never offer courses with *both* names, and whichever one they do offer, it is probably a class that covers the subject matter of calculus, but in a way that emphasizes the logical structure of the material (in particular, precise definitions and proofs) over just doing calculation.

My impression is that "advanced calculus" is an "older" name for this topic, and that "real analysis" is a somewhat "newer" name for the same topic. At least, most textbooks currently written in this area seem to have titles with "real analysis" in them, and titles including the phrase "advanced calculus" are less common. (There are a number of popular books with "advanced calculus" in the title, but all of the ones I've seen or used are reprints/updates of books originally written decades ago.)

There have been similar shifts in other course names. What is mostly called "complex analysis" now in course titles and textbooks, used to be called "function theory" (sometimes "analytic function theory" or "complex function theory"), or "complex variables". You still see some courses and textbooks with "variables" in the title, but like "advanced calculus", it seems to be on the way out, and not on the way in. The trend seems to be toward "complex analysis."  hope it helps

Final answer:

Advanced calculus covers computational aspects and applications of calculus in multiple dimensions, while real analysis focuses on the theoretical fundamentals, such as rigorous development of the real number system and proof-based examination of limits and continuity.

Explanation:

The difference between advanced calculus and real analysis lies in the focus and depth of the subjects. Advanced calculus, also known as calculus III in some curricula, typically extends the study of calculus to multiple dimensions, covering topics such as partial derivatives, multiple integrals, and vector calculus. It focuses more on the computational aspects and applications of calculus.

Real analysis, on the other hand, delves deeper into the theoretical underpinnings of calculus and analysis. It deals with the rigorous development of the real number system, sequences and series, continuity, differentiation, integration, and convergence. Real analysis puts a strong emphasis on proof and logical reasoning, providing a foundation for the truth and logic behind the mathematics used in calculus.

While both subjects are mathematically advanced, real analysis is considered to be more abstract and is often a stepping stone for further study in pure mathematics. Familiarity with calculus is often a prerequisite before studying real analysis as it lays the groundwork for the more complex theoretical concepts.

Janine has two important tests to study for. If she plans to divide her study time equally between both tests, how long should she spend studying for each test if she wants to study for at most 90 minutes?

Answers

90/2 = 45
45 minutes each.

90 mins divide by 2 tests = 45 mins per test
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