Mathematics High School

Guided Practice


The equation k = 1.6d gives an approximate relationship between d miles and k kilometers. The distance between Boise, Idaho, and Reno, Nevada, is 430 miles. Express the distance in kilometers.


A.
431.6 km


B.
268.8 km


C.
688 km

Answers

Answer 1

Answer:

B

Step-by-step explanation:

Answer 2

Answer:

The answer is C. 688 km

Step-by-step explanation:

you do is multiply the miles x 1.6 and you will get k. so 430miles x 1.6 = 688k

and 665miles x 1.6 = 1064k

1 Mile is 1,6 Kilometers

430 Miles  = 688 Kilometers (430 * 1,6)

665 Miles = 1064 Kilometers (665 * 1,6)

1. if you want your questions answered, don't whine -- just ask the question.  for example, in this you haven't really asked anyone the question.  They have to assume what you are trying to find out.

2. It is simple math if you understand the equation you gave:

You are solving for "k" which is kilometers;  

You have been given the distance which is "d" in miles (430 miles and 665 miles)

The equation means:    "k" equals 1.6 times the value of "d"

so the answers to your implied questions are:

k = 430 x 1.6 = 688 kilometers  

k = 665 x 1.6 = 1064 kilometers

You might also asking your question in a more appropriate category.  this is more of a math problem than a geography question (the names of the cities is irrelevant to the answer; the relevant part is the distance in miles).

The number of kilometers is ALWAYS greater than the corresponding miles.  For example 1 mile = 1.6 km, so there is no way that when you convert miles to kilometers you will ever come up with a lower number of kilometers than the miles.

Related Questions

FREE BRAINLIEST! if you can answer this correctly ill give you brainliest and answer some of the questions you have posted :) thank you very much!!!

Answers

Answer:

-9 1/4

Step-by-step explanation:

Exact Form:
−37/4
Decimal Form:
−9.25
Mixed Number Form:
−9 1/4

what is 10÷7
pls help

Answers

Answer:

1.42857142857

Step-by-step explanation:

Answer:

1.428571428 and some more I feel lazy adding more numbers

PLEASE HELP ME WITH MARK AS BRAINLIEST

Answers

Answer: 12

Step-by-step explanation:

I don’t know if I’m right but I’m Sure it’s 12

The church’s goal for the fundraiser was $18,000. They exceeded their goal by 8%. How much money did they raise?

Answers

Answer:

19440

Step-by-step explanation:

18000 x 0.08 = 1440

1440 + 18000 = 19440

A line that includes the point (9,-5) has a slope of 0. What is its equation in slope-intercept
form?
Write your answer using integers, proper fractions, and improper fractions in simplest form.

Answers

Answer:

The answer is

[tex]y = - 5[/tex]

Step-by-step explanation:

[tex]m = 0 \\ y = mx + c \\ y = c \\ y = - 5[/tex]

Emelia earns $8.00 per hour plus a gas allowance of $3.50 per day at her job. How much does Emilia's job pay in a day when she works 5 hours? Write an expression and evaluation for 5 hours.

Answers

Answer: Required expression = 8h +3.50

Emilia's job pay  $ 43.5 in a day when she works 5 hours.

Step-by-step explanation:

Given: Hourly earning = $8.00

gas allowance per day =  $3.50

Pay per day = (Hourly earning ) x (Number of hours ) + (gas allowance per day)

Let h = number of hours

Pay per day = 8h +3.50

If Emily worked for 5 hours, then put h= 5, we get

Pay per day = 8(5) +3.50

= $ 40 +3.50

= $ 43.5

Required expression = 8h +3.50

Emilia's job pay  $ 43.5 in a day when she works 5 hours.

Write an equivalent ratio described in the situation below. The ratio of boys to girls is 5/2​

Answers

10:4 whatever you do to one of the ratios do the same to the other ratio. For example 5:2 boys to girls if you multiply the boys by 2 it will equal 10; and do the same to the girls which equal 4. Therefore an equivalent ratio is 10:4

Please help me my teacher doesn't know how to teach

Answers

Answer:

Whats the question

Step-by-step explanation:

Answer:

There are videos on Khan Academy about this one

PLS HELP ILL MARK BRAINLIEST!!!

Answers

Answer:

X is 20 :)

Step-by-step explanation:

this is what you would do

set (2+3x)= 62

3x=62-2

3x=60

60/3=x

x=20!

multiply (x+4)(2x-3)

Answers

Answer:

2x^2 + 5x - 12

Step-by-step explanation:

(x+4)(2x-3)

2x^2 - 3x + 8x - 12

2x^2 + 5x - 12

I need help with this
If x + 3 /3 = y + 2/ 2 ,then x/ 3 =

Answers

Answer:

First solve for x

then substitute

Step-by-step explanation:

[tex]\frac{x+3}{3}= \frac{y+2}{2}[/tex]

[tex]6(\frac{x+3}{3}=\frac{y+2}{2})[/tex]

2x + 6 = 3y + 6

2x = 3y

[tex]x = \frac{3y}{2}[/tex]

If [tex]\frac{x+3}{3}= \frac{y+2}{2}[/tex] then [tex]\frac{x}{3}[/tex] =

[tex]x = \frac{3y}{2} /3 = \frac{y}3}[/tex]

please help and please explain ill mark brainless, thank you:)​

Answers

Answer:

Its A...

Step-by-step explanation:

11/25 = 11 ÷ 25

11 ÷ 25 = 0.44

A: 0.44

It’s your first option......which is 0.44

Solve the folowing problem. Then state if there is one solution, no solutions, or infinite solutions.

n+3+4n=2n+15

Answers

N=4 and there is only one solution

i will give brainlest if you get it correct ​

Answers

Answer:i think d.please dont blame me im not sure.sorry

Step-by-step explanation:

Answer:

The amount of time walking home from school and the distance left to arrive home.

Step-by-step explanation:

Is 5 - 2x in standard form?

Answers

Answer:

yes

Step-by-step explanation:

Answer:

Yes of course

Step-by-step explanation:

because 2x is a variable and it can't be added further

please mark me as brainlist

Miles is throwing three darts at the board shown below. His score is the sum of all three darts. How many different possible total scores could Miles get with three darts?

A. 450
B. 46
C. 12
D. 10

Answers

D . 10.
Hehehdhdbdbbxbxbxbxbxbbx

Colton has 888 comedy movies, 666 action movies, 555 fantasy movies, and 111 drama movie on his list of favorite movies. For every 555 movies on the list, there are 222 \_\_\_\_____\_, \_, \_, \_ movies.

Answers

Answer: Comedy

Step-by-step explanation:

Find out the percentages of each of the movies. First find the total quantity.

= 888 + 666 + 555 + 111

= 2,220 movies

Comedy = 888/2,220 * 100% = 40%

Action = 666 / 2,220 * 100% = 30%

Fantasy = 555/2,220 * 100% = 25%

Drama = 111/ 2,220 * 100% = 5%

222 movies out of 555 is:

= 222 / 555 * 100%

= 40%

222 movies out of 555 movies will therefore be comedy.

Answer:

222/555 are comedy

Write these numbers in size order start with the smallest

7/9
8/11
0.79
84%
4/5

Answers

First convert all to decimal.

7/9 = 0.777
8/11 = 0.727
0.79 = 0.79
84% = 0.84
4/5 = 0.8

Now line them back up in order from least to greatest based on the decimal value.

Final answer:
8/11, 7/9, 0.79, 4/5, 84%

find the value of f ​

Answers

Step-by-step explanation:

the steps are done in the picture .

hope it helps

Someone please help!

Answers

Answer:

x=12

Step-by-step explanation:

8x6=48 =x

6x6=36

equation= 6x*6-48=x

PLZ HELP WITH THESE AND FAST!!!!!!!!!!!!

Answers

Answer:

(11+4)/3*square root of 64=40

Step-by-step explanation:

11+4=15

15/3=5

the square root of 64 is 8

5*8=40.

the nth term of a sequence is given by 3n-16 what is the value of the 9th term​

Answers

Answer:

11

Step-by-step explanation:

9 times 3 minus 16 gives you 11

Answer:

өзің жаз түсіңдіңба өшір бренлиді ok

Find x (I have a picture of the problem)

Answers

Answer:

well,  am confidnet that it is 4

Step-by-step explanation:

-4+2(5k-6)=-3k-39

need it with the steps

Answers

PEMDAS
1. Distributive property 2(5k-6) = 10k -12
2. Add 10k-12-4= - 3K -39 which is 10k-16= - 3K -39
3. Add to both sides 10k -16 +16 = 10k, -3k-39 + 16 = -3k-24, 10k = -3k-24
4. Add to both sides with variable
10k + 3k = 13k, -3k-24+3k = -24
5. Divide 13k/13 = -24/13
6. The answer k≈ −1.846153846153846

Solve for X.

2
5
25
75

Answers

Answer:

to be honest I don't knoe

HELP ME PLZ WITH THIS I WILL GIVE BRAILYIST THINGY PLZZZZZ HURRY.

Answers

2 and 2/5 are to be written as 12/5. Then Helena is correct.

What is a fraction number?

A fraction number is a number that represents the part of the whole, where the whole can be any number. It is in the form of numerator and denominator.

George drew the diagram given below to represent 2 and 2/5.

Helena says this is the same as 12/5.

2 and 2/5 can be written as 12/5.

Then Helena is correct.

More about the fraction number link is given below.

https://brainly.com/question/78672

#SPJ1

i has pea brain help

Answers

Answer:

i think its the first and or third one if its 2 options its the first and third are ur to go and if its just one its the third

Step-by-step explanation:

its the first and third

There are 2 painters painting a room with 4 walls. Each painter paints an equal part of the room. How much of the room does each painter paint?

Answers

Answer:

um 2 walls

Step-by-step explanation:

it would be 4/2 which = 2

Answer:

2

Step-by-step explanation:

76​% of U.S. adults think that political correctness is a problem in America today. You randomly select six U.S. adults and ask them whether they think that political correctness is a problem in America today. The random variable represents the number of U.S. adults who think that political correctness is a problem in America today. Answer the questions below.

Answers

Answer:

[tex]E(x) = 4.56[/tex] --- Mean

[tex]s^2 = 1.0944[/tex] --- Variance

[tex]s = 1.0461[/tex] --- Standard Deviation

Step-by-step explanation:

See Comment for missing details

Given

[tex]p = 0.76[/tex] --- proportion

[tex]n = 6[/tex] -- sample

Solving (a): The mean; E(x)

This is calculated as:

[tex]E(x) = n * p[/tex]

Substitute values for n and p

[tex]E(x) = 6 * 0.76[/tex]

[tex]E(x) = 4.56[/tex]

Solving (b): The variance; s^2

This is calculated as:

[tex]s^2 = n*p*(1-p)[/tex]

Substitute values for n and p

[tex]s^2 = 6 * 0.76 * (1-0.76)[/tex]

[tex]s^2 = 6 * 0.76 * 0.24[/tex]

[tex]s^2 = 1.0944[/tex]

Solving (c): The standard deviation; s

This is calculated as:

[tex]s = \sqrt{s^2[/tex]

Substitute value for s^2

[tex]s = \sqrt{1.0944[/tex]

[tex]s = 1.0461[/tex]

When unknown terms been added, what can we do to isolate them?

Answers

Answer:

Bring like terms together Bring like terms together. All equations have two sides.

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