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nordsb [41]
4 years ago
8

A car is traveling at a speed of 110 kilometers per hour. What is the car's speed in miles per hour? How many miles will the car

travel in 5 hours? In your computations, assume that 1 mile is equal to 1.6 kilometers. Do not round your answers.
Mathematics
1 answer:
Kryger [21]4 years ago
6 0

Divide the speed in kmph by 1.6 to get miles per hour.


110 / 1.6 = 68.75 miles per hour


Multiply the speed by the time.


68.75 x 5 = 343.75 miles in 5 hours.

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3 years ago
HELP STANDARD DEVIATION
Oksi-84 [34.3K]

Answer: 1.5923926292577

Step-by-step explanation: Count, N: 14

Sum, Σx: 49

Mean, μ: 3.5

Variance, σ2:  2.5357142857143

Steps

σ2 =  

Σ(xi - μ)2

N

=  

(1 - 3.5)2 + ... + (6 - 3.5)2

14

=  

35.5

14

=  2.5357142857143

σ =  √2.5357142857143

=  1.5923926292577

3 0
1 year ago
Do the following ratios form a proportion? 5/8, 9/14 OR 10/16, 18/28 BRAINLIEST AND 30 POINTS
Klio2033 [76]

Answer:

18/28

Step-by-step explanation:

4 0
3 years ago
How do i do this? i'm so lost. please explain and show your work
elena-s [515]
You want to make sure to factor each equation as much as you can first.
So just focus on the numerator first. x^3-6x^2+8x
To factor the numerator:
(x)(x^2-6x+8) factor out an x
(x)(x-4)(x-2) factor out the rest completely.

Now for the denominator: -4x^2+4x+24
(-4)(x^2+x+6) factor out a -4
(-4)(x+3)(x-2) factor out the rest.

This leaves you with:
\frac{(x)(x-4)(x-2)}{(-4)(x+3)(x-2)}

Then you can simplify:
\frac{(x)(x-4)}{(-4)(x+3)}

I'm not sure what you're supposed to find exactly, so if you need more help you can ask me (:
8 0
4 years ago
What are the terms of 3x-4xy+10y+1
Juli2301 [7.4K]

Answer:

3x,-4xy,10y,\text{ and }1.

Step-by-step explanation:

Single numbers, variables and product of number and variables are know as terms. In an algebraic expression each term is separated by an addition "+" sign.

The given expression is

3x-4xy+10y+1

It can be written as

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Therefore, the terms are 3x,-4xy,10y,\text{ and }1.

8 0
3 years ago
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