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Alona [7]
2 years ago
11

A train traveled 300 miles in 5 hours. find its rate of speed in miles per hour.

Mathematics
1 answer:
melomori [17]2 years ago
8 0

Answer:

60 miles per hour

Step-by-step explanation:

Speed = \frac{Distance}{Time}

You divide 300 by 5 and you get 60. You always need to divide the upper part to the lower part to reach the distance in ONE UNIT OF TIME. There, you have 5 seconds, yet you need the distance in 1 second.

This all is assuming that the train moved at a constant speed, where

ACCELERATION = 0, which is pretty improbable for a train.

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3x+14=11 <br> a. 4<br> b.-1<br> c. 3
EleoNora [17]
For this question, you would go; 11 - 14 = -3 Then; -3 ÷ 3 = -1 The answer is b) -1 :)
6 0
3 years ago
4. If Mahamat has 36 coins totaling $3.00, and the coins are all nickels and quarters, how many of each coin does he have?​
MakcuM [25]

The answer is 30 i believe :) ♡

6 0
2 years ago
Please help meeee ………..
Len [333]

Answer:

  x = 5

Step-by-step explanation:

The equality of bases property says powers of the same base will be equal if and only if the powers are equal. This property is used to solve exponential equations.

<h3>Application</h3>

  \dfrac{(2)^x}{2}=16\qquad\text{copy of the original equation}\\\\2\times\dfrac{(2)^x}{2}=2\times16\qquad\text{multiply by 2 to isolate the base}\\\\2^x=32\qquad\text{simplify}\\\\2^x=2^5\qquad\text{rewrite the constant as a power of 2}\\\\\boxed{x=5}\qquad\text{use the Equality of Bases Property}

__

<em>Additional comment</em>

Equating the exponents is fully equivalent to taking the logarithm of both sides of the equation, to that base.

  \log_2(2^x)=\log_2(2^5)\ \Longrightarrow\ x=5

6 0
1 year ago
Does anyone know what f(x)=-5x-1 when f(-7) i need help with this please.
vodomira [7]

Answer:

f(-7) = 34

Step-by-step explanation:

If f(x) = -5x - 1, then . . .

f(x) = -5x - 1

f(-7) = -5(-7) - 1

       = 35 - 1

       = 34

. . . because in f(-7), the (-7) is the x-value you're supposed to use to find the value of the function.

8 0
3 years ago
What is the rate of change (86, 124) (64, 113)
harkovskaia [24]
Hey there!

The rate of change for these two points would be m = 1/2. Subtract the two y points from each other and then the two x points from each other. Then you divide them. Or get a simplified fraction.

Hope this helped!
8 0
3 years ago
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