what is the triangular number of (546)

Answers

Answer 1

Answer:

Step-by-step

149331:

Answer 2

Answer:

149331

Step-by-step explanation:

hope its correct and it helps


Related Questions

Find the 40th term of this arithmetic sequence 4,9,14,19

Answers

Answer:

199

Step-by-step explanation:

I believe it's 199. The interval is just 5.

Answer:

the answer is going to be more than 11111111111119 (this is the 26th term)

Step-by-step explanation:

Write the following number in scientific notation:
0.0000487

Answers

Answer:

4.87 × 10-5

Step-by-step explanation:

Hopes this helps.

The answer is 4.87 x 10^-5

prove that (tan²y) (cos²y) + 1/sec²y = 1​

Answers

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identities

tan x = [tex]\frac{sinx}{cosx}[/tex] , sec x = [tex]\frac{1}{cosx}[/tex] , sin²x + cos²x = 1

Consider the left side

tan²y × cos²y + [tex]\frac{1}{sec^2y}[/tex]

= [tex]\frac{sin^2y}{cos^2y}[/tex] × cos²y + [tex]\frac{1}{\frac{1}{cos^2y} }[/tex] ← cancel cos²y in the product

= sin²y + cos²y

= 1

= right side ⇒ proven

Step-by-step explanation:

[tex] (\tan^2y) (\cos^2y) +\frac{1}{\sec^2y} = 1\\

LHS

= (\tan^2y) (\cos^2y) +\frac{1}{\sec^2y} \\\\

\frac{\sin^2y}{\cos^2y}\times \cos^2 y + \cos^2 y \\\\

= \sin^2y + \cos^2 y \\\\

= 1\\\\

= RHS\\\\

\purple {\boxed {\bold {\therefore (\tan^2y) (\cos^2y) +\frac{1}{\sec^2y} = 1}}} \\[/tex]

Hence Proved

-5*(-6)=
-27 divided by 9=

Answers

Answer:

-5*(-6) = 30

-27/9 = -3

Step-by-step explanation:

We know a negative times a negative is a positive, a positive times a positive is a positive, and a negative times a negative is a positive. This rule goes the same for division.

Using that rule -5*(-6) = 30. Which is a negative times a negative = positive.

-27/9 = -3 Which is a negative divided by positive = negative

-5*(-6)=30
27 divided by 9= -3

To find the mileage, or how many miles a car can travel per gallon of gasoline, you can use the expression m/g, where m is the distance in miles and g is the number of gallons of gas used. Find the mileage in miles per gallon for a car that travels 585 miles on 18 gallons of gas? (Your answer does not need miles per gallon at the end.)

Answers

Answer:32.5

Step-by-step explanation:

585/18

Please justify the answer

Answers

Answer:

The age of the car in years is the independent variable

The average miles is the dependent variable

Step-by-step explanation:

Typically, the age of the car will have an affect on the number of miles per gallon. However, the number of miles per gallon will not make it gain or lose more years, so the age is independent because it does not depend on another variable.

Hope this makes sense :)

What is the range for this data set?
37 years
9 years
41 years​

Answers

Answer:

30 years

Step-by-step explanation:

41 minus 11=

Which of the following is equivalent to the expression below?
(7 X + 8) + (15 - 7x)
OA. 7x+ 23
B. 14x + 23
23
D. 7​

Answers

Step-by-step explanation:

7x + 8 + 15 - 7x

Solving like terms

23

Option C is the correct answer

Answer:

23

Step-by-step explanation:

Given

(7x + 8) + (15 - 7x) ← remove parenthesis

= 7x + 8 + 15 - 7x ← collect like terms

= 23

Triangle A’B’C’ is the image of triangle ABC.

On a coordinate plane, triangle A B C has points negative 4, negative 1), (negative 5, negative 5), (negative 3, negative 4). Triangle A prime B prime C prime has points (3, 4), (4, 8), (2, 7).

Which transformations could have been used to create A’B’C’ ? Choose all that apply.
a 180Degrees rotation about the origin and then a translation 3 units up and 1 unit left
a translation 3 units up and 1 unit left and then a 180Degrees rotation about the origin
a 90Degrees clockwise rotation about the origin and then a reflection over the y-axis
a 90Degrees counterclockwise rotation about the origin and then a reflection over the x-axis
a translation 3 units down and 1 unit right and then a 180Degrees rotation about the origin

Answers

The Answer is A and D

Hope this helps

Answer:

Its the First and Last answer on Edg

Step-by-step explanation:

I took the test

The area of a wetland is 10,000 acres. A biologist predicts that the area of the wetland will change according to the equation y equals 10000 left-parenthesis 0.65 right-parenthesis Superscript x Baseline, where y is the area of the wetland after x years. Based on the biologist's prediction, what will the area of the wetland be in 2 years?

Answers

Answer:

4,225 acres

Step-by-step explanation:

If a biologist predicts that the area of the wetland will change according to the equation [tex]y = 10,000(0.65)^{x}[/tex] where;

y is the area of the wetland after x years

In order to determine the area of the wetland in 2 years based on the biologist prediction, we will substitute the value of x = 2 into the modeled equation as shown;

[tex]y = 10,000(0.65)^{2}\\y = 10,000 * 0.4225\\y = 4225[/tex]

The area of the wetland in 2 years based on the biologist prediction will be 4225 acres

Answer:

4225

Step-by-step explanation:

Which input value produces the same output value for the
two functions on the graph?
x = -3
x= -2
x= -1
x = 3

Answers

Answer:

hmm

um i don't think I could solve this why not try ta scan math i

It takes a painter and his friend 8 hours to paint a room. If the painter was working alone, it would take him 12 hours less than if his friend was working alone. How long does it take the painter to paint the room by himself?

Answers

Answer:

1 room-8hr (with friend)

alone- -12hr

friend working alone- x-12

Here is the base for you

hope this helps

Step-by-step explanation:

I WILL GIVE YOU BRAINLIEST, AND 30 POINTS SO PLEASE HELP ME, IT'S URGENT!

Answers

a is the right answer.

Randy bought 5 candy bars for $6.00. What is the cost per candy bar?
A. $0.83
B. $7.20
C. $1.14
D. $1.20​

Answers

Answer:

The answer is D: $1.20.

Step-by-step explanation:

1. The overall cost is $6

2. There are 5 candy bars

3. Assuming of the bars cost the same, we can find out the cost per bar

4. To do that, we take our overall cost $6, and we divide it by 5

5. 6/5=1.20 which is why the answer is D: $1.20

Answer:

D.$1.20

Step-by-step explanation:

please answer this and please provide explanation since I need to explain in homework thank you I really appreciate it

Answers

Answer:

27648inches÷64inches=432 tiles

Step-by-step explanation:tiles cost 3456

harold collected data on the daily high temperature in two cites over a period of one week . he analyzed the data and found the measures below . which statement is true based on these measures

Answers

Answer:

The temperature in Carlton was always cooler than in Borden.

Step-by-step explanation:

Answer:

d

Step-by-step explanation:

What is the factored form of 8x^24-27

Answers

Answer: 4.722

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Jodi learned to sing a total of 4 pieces over the course of 2 weeks of voice lessons.
After 8 weeks of voice lessons, how many pieces will Jodi be able to sing in total?
Assume the relationship is directly proportional.

A: 16 pieces
B: 20 pieces
C: 15 pieces
D: 12 pieces

Answers

Answer:

A. 16 pieces

Step-by-step explanation:

If Jodi learned to sing a total of 4 pieces over the course of 2 weeks of voice lessons, after 8 weeks of voice lessons, Jodi be able to sing 16 pieces.

2 x 2 =4

8 x 2= 16

Therefore the answer is 16.

Hope this helps and I explained it well enough !

Have a nice day.

What is the probability that a randomly selected player is a boy on the Sunderland team?

Hint: Sunderland boy/grand total.


.384


.462


.615


.538

Answers

Answer:

7/30

Step-by-step explanation:

First we need to find the number of girls on the Newcastle team, which is the total number of girls minus the number of girls on the other team, giving us 20-6=14. This means the number of player total is 3+7+6+14 or 30 players. There are 7 Sunderland boys so we have 7/30

The answer is 462 :)

The results of a survey indicate that the true proportion of households who recycle paper products
is likely in the interval (0.61,0.7).
What is the point estimate of the proportion of households who recycle paper?
Enter your answer, as a decimal, in the box.​

Answers

Answer:

[tex] 0.61 \leq p \leq 0.70[/tex]

And for this case we can estimate the proportion of households who recycle paper is given by:

[tex] \hat p = \frac{Upper +Lower}{2}[/tex]

And replacing we got:

[tex] \hat p =\frac{0.7+0.61}{2}= 0.655[/tex]

And for this case the answer is 0.655 for the proportion of households who recycle paper

Step-by-step explanation:

For this case we know that the confidence interval for the proportion of interest is given by:

[tex]\hat p \pm z_{\alpha/2} \sqrt{\frac{\hat p (1-\hat p)}{n}}[/tex]

And for this case the confidence interval is given:

[tex] 0.61 \leq p \leq 0.70[/tex]

And for this case we can estimate the proportion of households who recycle paper is given by:

[tex] \hat p = \frac{Upper +Lower}{2}[/tex]

And replacing we got:

[tex] \hat p =\frac{0.7+0.61}{2}= 0.655[/tex]

And for this case the answer is 0.655 for the proportion of households who recycle paper

Answer:

this answer is correct because i just took the test

Step-by-step explanation:

Tamanika got a raise in her hourly pay, from $15.50 to $17.36. Find the percent increase​

Answers

Answer:

12%

Step-by-step explanation:

The required percent increase is 12%

Tamanika got a raise in her hourly pay, from $15.50 to $17.36

What is percentage?

percentage is defined as, composition of something out of whole inbounds of 100.

since = 17.36 - 15.50/15.50 x 100
= 1.86/15.50 x 100
= 0.12 x 100
= 12

Thus the required percent increase is 12%.

Learn more about percent here:
https://brainly.com/question/14699403

#SPJ2

The amount of people in a population can be determined by using the model y=1000(1.35)x. What is the growth rate?

A.
35%

B.
1.035%

C.
1.35%

D.
3.5%

Answers

Answer:

The growth rate is 35%

Step-by-step explanation:

We are given that the amount of people in a population can be determined by using the model :

[tex]y=1000(1.35)^x[/tex]

Formula of exponential growth : [tex]y=a(1+r)^t ----1[/tex]

Where y is the population in t years

a = Initial population

r = growth rate

The given equation can be written as [tex]y=1000(1+0.35)^x[/tex]

Om comparing it with 1

r = 0.35

So, Growth rate = 35%

Hence The growth rate is 35%

−7(5x−8)
Expand the following Expression

Answers

Steps for solving:

Start by changing the -8 to plus a negative 8.

Now, the -7 distributes through the parentheses.

This gives us -7(5x) + -7(-8) which simplifies to -35x + 56.

Factor the expression below.
x2 - 6x + 9
A.
(x + 3)(x + 3)
B.
3(x2 - 2x + 3)
OC. (x-3)(x-3)
OD.
(x - 3)(x + 3)
HELP

Answers

Answer:  (x-3)(x-3)

This is a perfect square trinomial in the form a^2 - 2ab + b^2 = (a-b)^2. In this case, a = x and b = -3.

Another way you can look at it is to ask yourself "what two numbers multiply to 9 (last term) and add to -6 (middle coefficient)?". Those two numbers are -3 and -3

-3 plus -3 = -6

-3 times -3 = 9

So this is why x^2-6x+9 = (x-3)(x-3)

We can expand (x-3)(x-3) back out to get x^2-6x+9 again using the FOIL rule, distributive property, or the box method.

Answer:

C. (x-3)(x-3)

Step-by-step explanation:

x² - 6x + 9 = 0

x² - 3x - 3x + 9 = 0

x(x - 3) - 3(x - 3) = 0

(x - 3) (x - 3) = 0

What’s the answer to this??

Answers

Answer:

i think the letter d is the correct answer sorry if im wrong

Answer:85

Step-by-step explanation:

360-119-71=170

170÷2=85

A class goes to a science museum. There is an exhibit which has a giant sphere that shows different weather patterns. The surface area of the sphere is 24,316.16 ft. What is the radius of the sphere? Use 3.14 for pi.

Answers

Answer: sjsjsjdjffj

Step-by-step explanation:

A tea set was bought for $ 328, if a discount of 12% is offered on the price. Find the price of the tea set.

Answers

288.64

this is the real answer the last one was a mistake

i need help!!!

x+y=6
x=4
simplify the answer as much as possible

Answers

It already tells you what X is in the equation it is 4 so in order to get to 6 what do you have to add to 4? +2, 4+2=6
The answer would be 2 because 4+2= 6
Also you can do 6-4=2.
X=4
Y=2

Which shape fits the description below?


A figure with at least one pair of parallel sides.





A. X

B. Z

C. X and Y

D.Y

Answers

Answer:C, X and Y

Step-by-step explanation:

I just took the test

-9x+2y=16
7x+2y=16
A8,1
B8,0
C8,-10
D0,8

Answers

D 0,8
if you replace the letters with the numbers , you’ll get it right.
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