Light can travel 1,339,200,000 miles in two hours. What is the speed of light in miles per hour?

Answers

Answer 1

Answer:

670 616 629 miles per hour?

Step-by-step explanation:


Related Questions

What is 60 times 5 twelfths

Answers

Answer:

25

Step-by-step explanation:

do 60 and multipy it by 5 then 5/12

and turn it into a proper fraction

Answer:

25

Step-by-step explanation:

60 × [tex]\frac{5}{12}[/tex] = [tex]\frac{300}{12}[/tex]= 25

if XY=10 and YZ=8.5 then XZ must be greater that ______, and less than _____.​

Answers

Answer:

Your answer is

1.5<XZ<18.5

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Given triangle ABC, if angle A = 40, a = 65, and angle B = 25. what is the
length of b?



Answers

Answer:

x=50

Step-by-step explanation:

40+65+25+x=180

Combine like terms

130+x=180

x=50

(triangles = 180)

Test Prep In a jar, 25% of the marbles are red.
If there are 45 red marbles in the jar, how many marbles are in the jar altogether?
Hint
0 70
0 180
O 20
0 11.25
they
Mathematics

Answers

red marbles is 11.25

i did 11.25 plus the 45 and got 56.25

180 marbles are in the jar.

What is an Arithmetic operation?

Combining operands with a single arithmetic operator specifies an arithmetic operation. The built-in functions ADD, SUBTRACT, DIVIDE, and MULTIPLY can also be used to specify arithmetic operations. in general, we use PEMDAS for calculating various arithmetic operations.

Given 25% of the marbels ar red. and also given 45 marble are red.

Hence Total marble will be,

Total marbles = [tex]\frac{45* 100}{25}[/tex] = 180.

Therefore the total number of marbles in the jar is 180.

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If a barrel is 1/5 full and holds 16 litres how many litres will it hold when 1/2 full how does it fill

Answers

Answer:

40liters

Step-by-step explanation:

Given data

1/5 full holds 16 liters

1/2 full barrel will hold???

Let 1/2 full barrel hold x liters

1/5 holds 16 liters

1/2 will hold x

cross multtiply

1/2*16= x/5

8= x/5

x= 8*5

x= 40 liters

Hence 1/2 full will hold 40liters

Write a numerical expression for the verbal expression. fourteen decreased by three times four

Answers

Answer: 14 - 3(4)

Step-by-step explanation:

Decreased just means subtract

Find the upper bound

Answers

The upper bound is 56cm I think

Please help me
Find the volume of a cone with diameter of 12 inches and a height of 15 inches
I need to find the exact volume, approximate volume

Answers

Answer:

v=565.48668 or rounded up 565.49

Step-by-step explanation:

11 cm
Diagram NOT
accurately drawn
30 cm
The cylinder has a height of 30 cm and a radius of 11 cm. Work out the total surface area of
the cylinder. Give your answer correct to 2 significant figures.​

Answers

Answer:

[tex]A=2833.71\ cm^2[/tex]

Step-by-step explanation:

Given that,

The height of the cylinder, h = 30 cm

The radius of the cylinder, r = 11 cm

We need to find the total surface area of the cylinder. The formula for the total surface area of the cylinder is given by :

[tex]A=2\pi rh+2\pi r^2\\\\A=2\pi \times 11\times 30+2\pi \times (11)^2\\\\A=2833.71\ cm^2[/tex]

So, the total surface area of the cylinder is [tex]2833.71\ cm^2[/tex].

Which type of transformation is described by (x, y) (x + 2, Y-3)?

Answers

Answer:

I’m good at math but not that good

Step-by-step explanation:

Does: 2(4x + 10) = 8x + 20 has, One, None, Infinitely Many Solutions? You must show your work.

Answers

Answer:

one solution

Step-by-step explanation:

2( 4 + 1 0 ) = 8 +2 0   = 2 8 + 2 0

Subtract  

from both sides of the equation

Simplify  

Subtract  8  from both sides of the equation

Simplify

Divide both sides of the equation by the same term

Simplify

Solution   = − 5 /2

30+5z+5z=180
what is the value of z

Answers

Answer:

15

.......................

the value of z is 15

need help with all 3 pleaseeee

Answers

A.
A.
D.
Hope this helps!!
A
A
D
Hope this helps!!

Hits 2) How many solutions does the inequality have?
A) 0
B) 1
C) 8
D) infinitely many​

Answers

9514 1404 393

Answer:

  D)  infinitely many

Step-by-step explanation:

There are infinitely many points on any portion of the number line. The shading on the graph indicates all numbers less than or equal to 8 are solutions. There are infinitely many such numbers.


In a mathematics Olympiad, a correct answer is
awarded 3 marks, but a wrong answer is awarded
-1 mark (i.e. 1 mark will be deducted). If no answer
is given, 0 marks will be awarded. Albert took part
in this Olympiad. There were 30 questions. He
answered 17 questions correctly and 5 questions
wrongly. How many marks did he score?

Answers

Answer:

So Albert scored = 26 scores it's true and correct ! thank you:)

Triangle ABC is rotated counterclockwise using the origin as the center of rotation. The preimage and image are shown in the graph below. On a coordinate plane, triangle A B C has points (negative 4, negative 2), (negative 2, 1), (negative 2, negative 1). Triangle A prime B prime C prime has points (1.2, 4.2), (2, 1), (0, 2.9). Which rotation could have taken place?

Answers

Answer: it would be C. a 225° rotation

Step-by-step explanation: I got it correct

Answer:

C

Step-by-step explanation:

Ewan has a mango farm that is 75 feet X
50 feet, and he also purchases a 20 feet X
10 feet plot of land. Find the total area of
the farm.

Answers

Answer:

3950 feet squared

Step-by-step explanation:

So first you have to multiply 75 by 50, so that is 3750.

Next you have to multiply 20 by 10 and you get 200.

Finally you had both 3750 and 200 in order to get 3950 and that is why the total area of the farm is 3950 feet squared.

A free diver can dive at a rate of -0.75 meters per second about how long will it take to reach a depth of -145 meters

Answers

Answer:

193 seconds

Step-by-step explanation:

For this problem you'll have to divide so do -145÷-0.75 and your answer will be 193 seconds

Five less than twice the value of a number is equal to three times the quantity of
four more than one-half the number. What is the
number?
a. Let x be the number. Write and solve an equation to find x. Show your work.
b. Does the solution of your equation solve the original problem? Explain.

Answers

Answer:

a) x = 34

b) yes, it checks out

Step-by-step explanation:

2x - 5 = 3(4 + 1/2x)

multiply both sides by 2 to eliminate fraction

2[2x - 5 = 3(4 + 1/2x)] = 4x - 10 = 24 + 3x

x - 10 = 24

x = 34

check

2(34) - 5 = 3(4 + 34/2)

68 - 5 = 3(4 + 17)

63 = 3(21)

63 = 63

what is the area of a rectangle if the length is (4x + 2) cm and a width of (5x – 3) cm

Answers

Answer:

20x^2−2x−6

Step-by-step explanation:

(4x+2)(5x+−3)

=(4x)(5x)+(4x)(−3)+(2)(5x)+(2)(−3)

=20x2−12x+10x−6

=20x2−2x−6

(4x + 2)(5x - 3)

Multiply:

4x(5x) = 20x^2
4x(-3) = -12x
2(5x) = 10x
2(-3) = -6

Combine Like Terms:

10x-12x = -2x

Answer:
20x^2 - 2x - 6

Write the equation of the line with a slope of -5/4 and a y-intercept of 2.

a) y=1/4x+2
b) y=2x-5/4
c) y=-1/4x+2
d) y=-5/4x+2

Answers

Answer:

D, y=-5/4x+2

Step-by-step explanation:

the slope always comes before "x", and the y-intercept comes last when written in slope intercept. So y=-5/4x+2 is correct.

Which expressions are equivalent to the one below? Check all that apply.
25%
A. 52.5*
B. 5. 52x
C. 5.5%
D. 54.5
E. (5.5)*
F 52x

Answers

Answer:

a,b,d

Step-by-step explanation:  jusrt the answer, take my word u totally wont fail lol

The equivalent value of the expressions are solved by the exponents

What are the laws of exponents?

When you raise a quotient to a power you raise both the numerator and the denominator to the power. When you raise a number to a zero power you'll always get 1. Negative exponents are the reciprocals of the positive exponents.

The different Laws of exponents are:

mᵃ×mᵇ = mᵃ⁺ᵇ

mᵃ / mᵇ = mᵃ⁻ᵇ

( mᵃ )ᵇ = mᵃᵇ

mᵃ / nᵃ = ( m / n )ᵃ

m⁰ = 1

m⁻ᵃ = ( 1 / mᵃ )

Given data ,

Let the exponential equation be represented as A

Now , the value of A is

A = 25ˣ

On simplifying , we get

A = ( 5 . 5 )ˣ

A = ( 25 )ˣ

And , A = 5ˣ . 5ˣ

From the laws of exponents , we get

mᵃ×mᵇ = mᵃ⁺ᵇ

A = 5²ˣ

A = 25ˣ

Hence , the expressions are ( 5 . 5 )ˣ = 5²ˣ = 5ˣ . 5ˣ = 25ˣ

To learn more about exponents click :

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The complete question is attached below :

Which expressions are equivalent to the one below? Check all that apply.

25ˣ

A family just removed a big tree from their backyard. The diameter of the circular hole left behind is 7 feet across. Approximately how many square feet of gras
area where the tree once was?

Answers

Answer:

about 38.48 square feet

-7<-2; add 9 to both sides the resulting inequality is

Answers

Answer:

2<7

Step-by-step explanation:

-7<=-2

-7+9<-2+9

2<7

select the two binomials that are factors of this trinomial.
x^2+4x-32
a. x-8
b. x+8
c. x+4
d. x-4

Answers

Answer:

b and d

Step-by-step explanation:

Sum = 4

Product = -32

Factors = 8 , (-4)

x² + 4x - 32 = x² + 8x - 4x - 4*8

                   = x(x + 8) - 4(x + 8)

                  = (x + 8)(x - 4)

What's the largest fraction in each group? a. 5⁄6 and 29⁄36 b. 5⁄12 and 3⁄8 c. 2⁄5 and 19⁄45 d. 5⁄7, 13⁄14, and 19⁄21

Answers

Solution :

We have to find the largest fraction in each group.

a). [tex]$\frac{5}{6}$[/tex] and [tex]$\frac{29}{36}$[/tex]

    [tex]$\frac{5}{6}$[/tex]  →  when we divide the number 5 with 6, we get 0.833

    [tex]$\frac{29}{36}$[/tex] → when we divide 29 by 36, we get the value 0.805

Therefore, in this group, [tex]$\frac{5}{6}$[/tex] is the largest fraction.

b).  [tex]$\frac{5}{12}$[/tex] and [tex]$\frac{3}{8}$[/tex]

     [tex]$\frac{5}{12}$[/tex]  →  when we divide the number 5 with 12, we get 0.416

    [tex]$\frac{3}{8}$[/tex] → when we divide 3 by 8, we get the value 0.375

Therefore, in this group, [tex]$\frac{5}{12}$[/tex] is the largest fraction.

c).  [tex]$\frac{2}{5}$[/tex] and [tex]$\frac{19}{45}$[/tex]

     [tex]$\frac{2}{5}$[/tex] →  when we divide the number 2 with 5, we get 0.40

    [tex]$\frac{19}{45}$[/tex] → when we divide 19 by 45, we get the value 0.42

Therefore, in this group, [tex]$\frac{19}{45}$[/tex] is the largest fraction.

d).  [tex]$\frac{5}{7}$[/tex], [tex]$\frac{13}{14}$[/tex] and  [tex]$\frac{19}{21}$[/tex]

      [tex]$\frac{5}{7}$[/tex] →  when we divide the number 5 with 7, we get 0.714

    [tex]$\frac{13}{14}$[/tex] → when we divide 13 by 14, we get the value 0.928

    [tex]$\frac{19}{21}$[/tex]  → when we divide 19 by 21, we get the value 0.904

Therefore, in this group, [tex]$\frac{13}{14}$[/tex]  is the largest fraction.

Write an equivalent expression. ​-2(7+5g)

Answers

Answer:

-2(7) + -2(5g)

Step-by-step explanation:

Using the distributive property we can confirm that:

-2(7) + -2(5g) = -2(7+5g)

Answer:

−14−10g

Step-by-step explanation:

First, solve the product:

-2 ⋅ 7 - 2 ⋅ 5g

Multiply -2 times 7 to -14.

So, the equivalent expression would be:

-14 - 2 ⋅ 5g = -14 - 10g

-14 - 10g

5x - 2y = 18
-5x + 3y = -22

Answers

add the two equations
since the 5x and -5x cancel out
you get y=-4

plug y=-4 into the first equation
solve for x
x=2

THE ANSWER IS: (2,-4)

-14 = 4x - 2
what is the x ?

Answers

Answer:

X = -3

Step-by-step explanation:

hi hi!! please help, it’s 8th grade algebra

Evaluate the following expression:
(16 - 2*2*2) / (12-5*2)
(give answer as a
number... NO WORDS)

Your answer:

Answers

Answer:

4

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

(16 - 2*2*2)/ (12-5*2)

(16 - 8)/(12-10)

8/2

4

Sorry, if this doesn't help.

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