1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
n200080 [17]
3 years ago
5

The freight is traveling at a constant speed the table below shows how far the train travels after different amounts of time com

plete the table below.
Write an equation for “d” , the distance traveled by the train after “h” hours

Mathematics
1 answer:
Artist 52 [7]3 years ago
5 0
Using  the 2nd row it traveled 120 miles in 3 hours
 so 120/3 = 40 miles per hour

so distance (d) = 40h
You might be interested in
HELP QUICK PLEASE!! WILL GIVE BRAINLIEST ANSWER
Alex
F(12)=-34(12)+2
f(12)=-408+2
f(12)=-406
7 0
3 years ago
The sum of a whole number and twice the square of the number is 10. Find the number.
sveticcg [70]

Answer:

x = \frac{10}{1 + 2x}

Step-by-step explanation:

Let the number be x

x + 2x² = 10

Factorize x + 2x²

x(1 + 2x) = 10

Divide both sides by (1 + 2x)

x = \frac{10}{1 + 2x}

6 0
3 years ago
Evaluate the summation from n equals 1 to infinity of the quotient of 3 and 2 raised the quantity n minus 1 power
Shalnov [3]

Answer:

3*∑ (1/2)^n = 6

Step-by-step explanation:

We have the summation from n = 1 to n = ∞, for:

∑ 3/(2)^(n - 1)

We know that the summation between k = 0, and k = N - 1 for:

∑ r^k = (1 - r^N)/(1 - r)

if we have the summation between k = 0 and k = ∞ - 1 = ∞

(here we used that ∞ is really big, then ∞ - 1 = ∞)

In the numerator we will have the term r^∞, if 0 < r < 1, then r^∞ = 0.

Then if we assume that 0 < r < 1 we can write:

∑ r^k =  1/(1 - r)

In our case, we can rewrite our summation as:

3*∑ (1/2)^n

for n = 0 to  n = ∞

You can see that i changed the limits for n, this does not really matter because we are summing between a number and infinity, the only thing you need to take care is that now the power is n, instead of (n - 1)

Then we have r = (1/2) which is clearly smaller than 1.

then (1/2)

Then this summation is equal to:

3*∑ (1/2)^n = 3*( 1/(1 - 1/2)) = 3*( 1/( 2/2 - 1/2)) = 3*( 1/(1/2)) = 3*2 = 6

3*∑ (1/2)^n = 6

5 0
3 years ago
Help me and ill mark you brainliest
Harman [31]

Answer:

question 13 = D

Step-by-step explanation:

because you do some math, open a calculator and boom, you have that.

6 0
2 years ago
Solve the following for x
levacccp [35]

Answer:

x = 9

Step-by-step explanation:

50+80+(6x-4)=180 (ANGLE SUM PROPERTY)

130 +(6x-4)=180

6x-4=180-130

6x-4=50

6x=50+4

x=54/6

x = 9

4 0
3 years ago
Other questions:
  • Gold has a density of 19.3 ​ g/cm3 ​, it is often made into a bar called a gold ingot. A certain gold ingot has a volume 51.8 cm
    14·2 answers
  • Can someone please help?
    5·1 answer
  • Can some one please help me with these five questions
    15·1 answer
  • Mr. James saw an advertisement of a T.V.in the newspaper where it is mentioned that the T.V. is 22 inches high and 18 inches wid
    9·1 answer
  • Thanks if u help and brainly
    5·2 answers
  • Does anyone know how to do all of this
    5·1 answer
  • Um técnico em eletricidade recebeu um molho que continha 12 chaves não identificadas pra abrir a porta de um quarto de hotel e e
    5·1 answer
  • If you roll a number cube two times, what is the probability that you will land on an even number both times?
    10·1 answer
  • Pls help will mark the brainiest
    11·2 answers
  • Find the measure of angle A.<br> A<br> 9x+6<br> 4x + 6<br> m/A=
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!