A conservative estimate of the number of stars in the universe is 6x10^22. The average human can see about 3,000 stars at night with his naked eye.About how many more times more stars are there in the universe compared to the stars human can actually see?

Answers

Answer 1

Answer:

2 × 10^19 times

Step-by-step explanation:

Number of stars in universe = 6x10^22

Number of stars eye can see = 3000

About how many more times more stars are there in the universe compared to the stars human can actually see?

Number of stars in universe / number of stars eye can see

= 6x10^22 / 3000

= 6 × 10^22 / 3 × 10^3

= 2 × 10^(22 - 3)

= 2 × 10^19 times

Number of stars in universe is 2 × 10^19 times more than that which the eyes can see


Related Questions

whats the answer and how can u explain it?

Answers

Answer:

(2, 6)

Step-by-step explanation:

If it starts at x1 and y4, and you move two up it goes to y6 and then you move 1 to the right and it ends up at x2.

Maria needs to measure out   liter of broth for a recipe. If she only has a container that holds   liter, how many containers will she need to fill?

Answers

Answer:

20 containers

Step-by-step explanation:

Let us restructure the question as:

Maria needs to measure out   10  liter of broth for a recipe. If she only has a container that holds  0.5   liter, how many containers will she need to fill?

Total litre of broth measured = 10litres

If a container holds 0.5litre, then the number of container she will need will be calculated as thus:

1 container = 0.5 liter of broth

x container = 10 liters of broth

Cross multiply

0.5 * x = 1 * 10

0.5x = 10

Divide both sides by 0.5

0.5x/0.5 = 10/0.5

x = 20

Therefore she will need to fill 20 containers.

Note that the amount of liters used in question were assumed. Same calculations can be followed for any other values given.

The drama teacher spends $354 on costumes and microphones for 6 cast members. Each member receives a costume that costs $38 and a microphone that costs $c. How much did each microphone cost? Show an equation using c as the variable and solve

Answers

Answer:

Each microphine cost $21

Step-by-step explanation:

Equation: (38+c) 6 = 354

(38+c) 6 = 354        distribute 6 into 38 and c

38*6 + c*6

 \/        \/

228 + 6c = 354       Subtract 228

-228           -228

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

6c = 126                  divide 6

÷6     ÷6

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

c = 21

:)


Which fraction is not equivalent to 5/6? 15/18 30/36 20/30 10/12
FAST plisss

Answers

20/30 isn’t equal to 5/6

Answer: 20/30

Step-by-step explanation:

20/30 simplifies to 2/3 which is not equal to 5/6

All the other answers simplify to 5/6

What’s the answer hurry????

Answers

Answer:can’t read that man

Step-by-step explanation:

Still can’t read it

Answer: It's A) 2 cars/ 2/3 hours, and C) 1/3 car/ 1/9 hours

Step-by-step explanation:

If you don't want to download the PDF, use this: file:///home/chronos/u-71d7608fdb4d06fdae8318162fc0ad753f4365f1/MyFiles/Downloads/PERFORMANCE%20p10,11%20key.pdf

Hideo Yamata makes a deposit of $2,235. He remembers that the checks he deposited total twice the amount of currency he deposited. How much did he deposit in checks?

Answers

Answer:

Total amount deposited in checks is $1490

Step-by-step explanation:

Amount deposited by Yamata = $2235.

The amount of checks is twice the amount of currency deposited. Let the amount of currency deposited be represented by x.

So that,

Amount of checks = 2x, then;

2x + x = 2235

3x = 2235

x = [tex]\frac{2235}{3}[/tex]

  = 745

The amount of currency deposited is $745.

Therefore,

amount deposited in checks = 2 x $745

                                              = 1490

Total amount deposited in checks is $1490.

What's 29/9 as a mixed number

Answers

Answer:

3 2/9

Step-by-step explanation:

9 can go into 29 3 times with 2 leftover.

Answer: 3.2 or 3.22

Step-by-step explanation: To write an improper fraction a mixed number you start by seeing how many times the denominator (bottom number) goes in to the numerator (top number). Since the denominator is 9 and the numerator is 29, 9 goes into 29 3 times.

Help step by step plz :)

Answers

Answer:

108

Step-by-step explanation:

multiply both sides by 4

x/4 times 4 = x

27 times 4 = 108

Verify the identity. To verify the​ identity, start with the more complicated side and transform it to look like the other side. Choose the correct transformations and transform the expression at each step.

Answers

Answer:

Following are the solution to this question:

Step-by-step explanation:

Please find the complete question in the attached file

[tex]\to \frac{\tan x}{\sec x} \\\\\therefore \ \ \ \tan x= \frac{ \sin x}{ \cos x} \ \ \ \ and \ \ \ \ sec x = \frac{1 }{ \cos x}\\\\\to \frac{\frac{ \sin x}{ \cos x}}{ \frac{1 }{ \cos x}} \\\\\to \frac{ \sin x}{ \cos x} \times \frac{ \cos x}{1 }\\\\\to \sin x[/tex]

The numerator transformation value is = [tex]\sin x[/tex]

The denominator transformation value is= 1

After transformation, we get  [tex]\frac{tan(x)}{sec(x)}=sin(x)[/tex]

Trigonometric identity:

We have to verify the identity  [tex]\frac{tan(x)}{sec(x)}[/tex]

As we know that,

    [tex]tan(x)=\frac{sin(x)}{cos(x)}\\\\sec(x)=\frac{1}{cos(x)}[/tex]

So that,

    [tex]\frac{tan(x)}{sec(x)}=\frac{sin(x)}{cos(x)} *cos(x)\\\\\frac{tan(x)}{sec(x)}=\frac{sin(x)}{1}[/tex]

The numerator transform expression is [tex]sin(x)[/tex].

The denominator transform expression is 1.

Learn more about the trigonometric identity here:

https://brainly.com/question/7331447

Complete question: trigonometric expression is  [tex]\frac{tan(x)}{sec(x)}[/tex]

y= 1/ x+3
What is the vertical asymptote for the above function?

Answers

Answer:

The vertical asymptote is x = -3

Step-by-step explanation:

Vertical asymptotes are found by setting the equation in the denominator equal to zero.

x+3=0

To solve for x, all you need to do is bring the 3 to the other side of the equation in order to isolate the x. By doing so the 3 become negative because you switched sides of the equation.

Answer: -3

Step-by-step explanation: A P E X

The perimeter of a rectangular pool is 48 feet. Its length is 4 feet more than its width.

Let the width of the pool be represented by x.

Which equation below can be used to describe the situation?

Answers

Answer:

48=2(x+4)+2x

Step-by-step explanation:

Step one:

given data

Perimeter= 48ft

let the with be x

length= x+4

Step two:

the expression for the perimeter is

P=2L+2W

substituting

48=2(x+4)+2x

48=2x+8+2x

solve for x

48=4x+8

48-8=4x

40=4x

x=40/4

x=10ft

Step three:

the width is 10 ft

the lenght= x+10

length= 10+10= 20ft

please helpppppppppp

Answers

Answer:

15 is the answer

Step-by-step explanation:

It’s 15 because 15 times 2 is 30, 15 time 9 is 135, etc.

Which expression has the same value as -18+(-9)

O -18 divided by 2
O -12 divided by (-3)
O -10 divided by 5
O -8 divided by (-4)

Answers

Answer:O -18 divided by 2

Step-by-step explanation:

A herd of 40 horses has 9 brown and some black horses. What is the ratio of brown to black horses

Answers

Answer:

Step-by-step explanation:

10:3 i believe

Answer:

9:31

Step-by-step explanation:

I guess since there arent any other mentioned its only black and brown horses so it would be 9:31

A farmer has two square fields of corn. His larger field has an area of 144 square yards. His smaller field has an area of 64 square yards. How muchh shorter is the length of the smaller field than the length of the larger field?

Answers

Answer:

4 yards

Step-by-step explanation:

Logan bought a baseball bat on a trip. The baseball bat is 29 inches long Logan thinks he can bring the baseball bat home in his suitcase. Is he correct? Use your understanding of the Pythagorean theorem to explain your answer

Answers

Answer:

Step-by-step explanation:

Kindly find attached a description of Logan's suit case

given data

dimension of suitcase

adj, length=24in

opp, width=18in

dimension of base ball bat= 29in

we want to know if the bat can fit in the case, a way out is to solve for the diagonal or hypotenuse of the case using Pythagoras theorem.

we know that

hyp^2= opp^2+adj^2

hyp=√opp^2+adj^2

hyp=√18^2+24^2

hyp=√324+576

hyp=√900

hpy=30in

this means that the diagonal of the case is 30 in, seeing that the bat is 29 in, the bat cannot fit into the case

Since in the given situation, the diagonal of the case is 30 in and the baseball bat is 29 in, so the bat cannot fit into the case.

Pythagorean theorem:

The dimension of a suitcase is adj length=24in and opp width=18in

Now here we apply the above theorem for determining the diagonal or hypotenuse

So, the calculation is as follows:

[tex]hyp^2= opp^2+adj^2\\\\hyp=\sqrt opp^2+adj^2\\\\hyp=\sqrt 18^2+24^2\\\\hyp=\sqrt324+576\\\\hyp=\sqrt900[/tex]

hyp=30in

Due to the above calculations, we can say that the bat cannot fit into the case

Learn more about Pythagorean here: https://brainly.com/question/24703634

9x + 4.5 - 2x = 2.3 + 7x + 2.2

does this have a infinite solution pls help

Answers

Answer:

answer of this question is 0=0

Summer and Autumn are friends who live 25 miles apart and they are training for a long race. On wednesday after school, they ran toward each other’s houses to meet up. They left their houses at 4pm and met at 6 pm. Summer ran an average rate of 8 1/2 miles per hour

Answers

Complete question is;

Summer and Autumn are friends who live 25 miles apart and they are training for a long race. On wednesday after school, they ran toward each other’s houses to meet up. They left their houses at 4pm and met at 6 pm. Summer ran an average rate of 8 ½ miles per hour faster than autumn. What is the average speed of each?

Answer:

Autumn's average speed is 1.3158 mph

Summer's average speed is 11.1843 mph

Step-by-step explanation:

We are told that they live 25 miles from each other.

They left their houses at 4pm and met at 6 pm. This means they met 2 hours later.

Now, summer ran 8.5 mph faster than autumn.

This means if autumn's speed is "x", then summer ran 8.5x mph

Thus, total distance covered by summer is; d_summer = 8.5x * 2 = 17x

Total distance by autumn is; x * 2 = 2x

Since their houses are 25 miles apart.

Thus;

17x + 2x = 25

19x = 25

x = 25/19

x = 1.3158 mph

Thus, autumn's speed is 1.3158 mph

Summer's speed is 1.3158 × 8.5 = 11.1843 mph

I need help. Someone please help me

Answers

Answer:

A- congruent (the angles are the same)

B- supplementary (they add together to 180 degrees)

C- congruent (the angles have the same measure)

D- congruent (the angles have the same measure)

E- supplementary (they add together to 180 degrees)

F- congruent (the angles are the same measurement)

G- supplementary (the angles add up to 180 degrees)

H- congruent (the angle measures are the same)

Step-by-step explanation:

Answer:

a:congruent

b:supplementary

c:congruent

d:congruent

e:supplementary

f:congruent

g:supplementaruy

h:congruent

Step-by-step explanation:

need help asap pleaseee!

Answers

Answer:

Step-by-step explanation:

If two expressions are equivalent, they are the same. If Kayla distributed the three, she would get 3x+6 like Gabriel.

Given: 9x + 3y = 18
Re-write in y = mx + b form.

Answers

Answer:

y= -3x+6

Step-by-step explanation:

Can someone help me please

Answers

Step-by-step explanation:

√2 × √18 expression results in a rational number

= √2 × √18

= √36

= 6

Therefore,

Option A is correct ✔.

Answer:

A. √2*√18

Step-by-step explanation:

34x2256+35x2 i need help like bad

Answers

Answer: 76774

Step-by-step explanation: (34 x 2256) + (35 x 2) = 76774.

Answer:

76,774

Step-by-step explanation:

Break the question down, and you will get the same answer :)

A shop assistant is paid $18 per hour 15% of all that he sells. If he sells items worth $120 during his 40-hour week, how much will he be paid at the end of the week?

Answers

Answer:

A lot of money, fam.

Aaron is growing two tomato plants. At the last measurement, the first plant was 6.53 inches tall and the second was 2.7 inches tall. How much taller was the larger plant?

Answers

Answer:

3.83 inches

Step-by-step explanation:

Aaron is growing two tomato plants

The first plan was 6.53 inches tall

The second plant was 2.7 inches tall

Therefore the height of the tall plant against the smaller one can be calculated as follows

= 6.53-2.7

= 3.83

Hence the larger plant is 3.83 inches taller

The original price of a $250 coat increased 7% last year. The coat is now on sale for one-half off of the new price. What is the sale price? Please help y’all

Answers

Answer:$133.75

Step-by-step explanation: So you would convert the 7% into a decimal of .07. You would multiply that by the original price of $250 and you would get $17.5 which is how much it increased. That would equal $267.5 And you would just divide that in half for your final answer of $133.75. Super easy if you know what to do. :)

You want to order a pizza for dinner. The pizza shop has a deal where you can buy a three-topping pizza for 11.99 . If the pizza shop has 30 different toppings that you can put on your pizza, how many different pizzas could you get for 11.99?

Answers

Answer:

10

Step-by-step explanation:

because each pizza is 11.99 and you can get three toppings, so 30 divided by 3 is 10, so you can get three different pizza.

Answer:

I think 10 pizzas.

Step-by-step explanation:

Combine any like terms in the expression. If there are no like terms, rewrite the expression.
10wx2+y2z2

Answers

Answer:

Step-by-step explanation:

There is no way that this binomial can be reduced any further. The right term is a 10 a w and an x^2.

The left term is a y^2 and a z^2

There is nothing in common. Just rewrite the entire expression as your answer.

.
a
14
50%
2
Happy Mon...
B
% .0 .00 123-
I s
fx
Find the distance of the line.
1
4
2 Find the distance between: (-2, 3) and (-7, -7)
AY
Find the distance of the line.

Answers

The answer is a correct

Heidi is saving for a new bike. She has already saved $57. If Heidi earns $9 per hour babysitting, how many hours does she need to babysit to afford the bike which costs $129? Write and solve a linear equation.

Answers

Step-by-step explanation:

she would need to work for 8 hours ti offird the bike

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