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andrew-mc [135]
3 years ago
10

Kevin traveled at a constant speed on the highway from Hickory Hills to Chicago in 20 minutes. The distance from Hickory Hills t

o Chicago is 17 miles. How fast was Kevin driving?
Mathematics
1 answer:
beks73 [17]3 years ago
8 0

Answer: V=51\ \frac{mi}{h}

Step-by-step explanation:

You need to used the following formula:

V=\frac{d}{t}

Where "V" is the speed, "d" is the distance and "t" is the time.

In this case you know that Kevin traveled at a constant speed on the highway from Hickory Hills to Chicago in 20 minutes (which is \frac{1}{3}\ h) and the distance is 17 miles. Then, you can identify that:

t=\frac{1}{3}\ h\\\\d=17\ mi

Therefore, knowing these values, you can substitute them into the formula. Then, you get:

V=\frac{17\ mi}{\frac{1}{3}\ h}\\\\V=51\ \frac{mi}{h}

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The price of a Blu-Ray disc player is $175. With the sales tax at
Luba_88 [7]

Answer:

$190.75

Step-by-step explanation:

$175 × 0.09 = $15.75

$175 + $15.75 = $190.75

6 0
2 years ago
Please help xxxxxxxx
Free_Kalibri [48]

Answer:

  • a. \bold{45000\times \:10^7}
  • b. \bold{3500}

Step-by-step explanation:

a. \left(5\times \:10^3\right)\left(9\times \:10^7\right)

5\times 10^3 = 5000\\\\5000\times \:9\times \:10^7

\mathrm{Multiply\:the\:numbers:}\:5000\times \:9=45000

=45000\times \:10^7

b. \left(7\times 10^5\right)\div \left(2\times 10^2\right)

\left(7\times 10^5\right)\div \left(2\times 10^2\right)=\frac{7\times \:10^5}{2\times \:10^2}

\frac{10^5}{10^2} = 10^3

\frac{7\times \:10^3}{2}

\mathrm{Factor}\:\: 10^3 : 2^3\times5^3

\frac{7\times \:2^3\times \:5^3}{2}

\frac{2^3}{2}=2^2

7\times \:2^2\times \:5^3=3500

7 0
3 years ago
First to answer gets brainlest! Hurry this is a test.
serg [7]

Answer:

Second one

Step-by-step explanation:

4 0
3 years ago
WORTH BRAINLIST!!!!!!
Sladkaya [172]

Sum : (5 x+1)

Term : 1, 5x and 3y

Product : 9(5x+1),5x and 3y

Factor : 5 and x, 3 and y, 9 and 5x+1

Quotient : \frac{9(5x+1)}{3y}

Coefficient : 5 is the coefficient of x and 3 is the coefficient of y.

Explanation:

The expression is \frac{9(5x+1)}{3y}

Sum: Sum is the result of addition of terms.

Thus, from the expression,

Sum = (5 x+1)

Term : A term is a single number or a variable or a number multiplied with a variable.

Thus, from the expression,

Term = 1, 5x and 3y

Product : Product is the result of multiplication of numbers.

Thus, from the expression,

Product = 9(5x+1),5x and 3y

Factor : The numbers that are multiplied is called a factor.

Thus, from the expression,

Factor = 5 and x, 3 and y, 9 and 5x+1

Quotient : Quotient is the result of dividing two numbers or variables.

Thus, the given whole expression is a quotient.

Hence, Quotient = \frac{9(5x+1)}{3y}

Coefficient : Coefficient of a variable is a number multiplied with a variable.

Thus, from the expression,

Coefficient : 5 is the coefficient of x and 3 is the coefficient of y.

3 0
3 years ago
Harry bought a sweater that only cost $5 when it normally costs $35. What percent was the discount? Provide an explanation. A. 1
erastova [34]

Answer:

D. 85.7%

Step-by-step explanation:

its figuring out the percentage decrease

so you would go

35-5= 30

30/35 x 100 = 85.7

8 0
3 years ago
Read 2 more answers
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