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Stells [14]
3 years ago
15

A car is traveling at a rate of 57 miles per hour. What is the car’s rate in miles per minute? How many miles will the car trave

l in 15 minutes?
Mathematics
1 answer:
muminat3 years ago
6 0
Hello!

We have to find how fast the car goes a minute

To find this we can do 57/60 since the car goes 57 miles an hour and there are 60 minutes in an hour

This gives us 0.95 miles a minutes

Then we do how fast the car goes a minute by the amount of minutes

So 0.95 * 15 = 14.25

The car goes 14.25 miles in 15 minutes

Hope this helps!
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Write an expression equivalent to b^10/b^5 in the form b^m.
Mars2501 [29]
B^5 when you’re dividing exponents, just subtract!
4 0
2 years ago
The sum of two numbers is twenty-five.One number is five less than the other number. Find the larger number
djverab [1.8K]
The larger number is 30.

Set up your equation.

x + y = 25

The question tells us one number is 5 less than the other.

The equation now becomes
x -5 = 25

Add 5 to each side to isolate x.

x=30
3 0
2 years ago
4x + 5y = 10
Vika [28.1K]

Answer:

For A = 32/5 and B = 8 the system of equations will have infinitely many solutions.

Step-by-step explanation:

Given equations are:

4x + 5y = 10

Ax + By = 16

The general form of linear equation in two variables is given by:

ax+by = c

Here a, b and c are constants and x,y are variables.

In the given equations, after comparing with the general form

a_1 = 4\\b_1 = 5 \\c_1 = 10\\a_2 = A\\b_2 =B\\c_2 = 16

"In order for a system of equations to have infinity many solutions,

\frac{a_1}{a_2} = \frac{b_1}{b_2} = \frac{c_1}{c_2} "

Putting the values we get

\frac{4}{A} = \frac{5}{B} = \frac{10}{16}\\\frac{4}{A} = \frac{5}{B} = \frac{5}{8}\\Now\\\frac{4}{A} = \frac{5}{8}\\\frac{A}{4} = \frac{8}{5}\\A = \frac{8}{5} * 4\\A = \frac{32}{5}\\And\\\frac{5}{B} = \frac{5}{8}\\\frac{B}{5} = \frac{8}{5}\\B = 8

Hence,

For A = 32/5 and B = 8 the system of equations will have infinitely many solutions.

5 0
2 years ago
Pls help no links if u can pls explain the steps I’ll be grateful
valkas [14]

Answer:

WX = 9

Step-by-step explanation:

WY is the entire line - this tells you that the length of the entire line is 11.

XY is a section of the line, and WX is the section you need to find the length for. Since it is given that XY is of length 2, we can find the length of WX by subtracting the length of XY from WY.

11 (WY) - 2 (XY) = 9.

8 0
2 years ago
What is probability of randomly selecting a marble and getting black or red? a bag contains 5 black marbles, 10 red marbles, and
seropon [69]
This is a mutually exclusive event because you can't choose both at the same turn you can only pick one or the other. so we add the event chances together,
5/35 + 10/35 = 15/35 or reduced 3/7
7 0
2 years ago
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