is -3/7 a rational or irrational number?

Answers

Answer 1

Answer:

rational

Step-by-step explanation:

it can express as a ratio of two numbers, therefore it is rational. it wouldn't be rational if it was for example 0.333333 that goes on forever.


Related Questions

What would be the best first step to convert 5x-y=7 to slope intercept form?

Question 1 options:

Multiply both sides by -1


-5x from both sides


+5x to both sides


Subtract 7 from both sides

Answers

Answer:

-5x from both sides

Step-by-step explanation:

When converting an equation to slope-intercept form, you need to isolate the y. The first step in isolating the y is to remove 5x from both sides of the equation:

5x - y = 7

5x - 5x - y = 7 - 5x

-y = 7 - 5x

Now it's just -1y on one side of the equation.

Subtract 5x from both sides

If a tree casts a 45-foot shadow at the same time that a 6-foot tall man casts a 7.5-foot shadow, find the height of the tree.

1 ft

36 ft

45 ft

56.25 ft

Answers

Answer:

36 feet

Step-by-step explanation:

I believe this is the answer

I NEED HELP WITH THESE 2 ASAP!!! I WILL MARK BRAINLIEST!!

Answers

Answer:

c and f

Step-by-step explanation:

CAN SOMEONE HELP ME ITS URGENT I NEED THIS ASAP

Answers

Answer:

1200

Step-by-step explanation:

1680/1050 = 1920/x

1680x = 2,016,000

x=1200

Answer:

There are 1200 vertical pixels.

Step-by-step explanation:

This is a ratio problem, which uses ratios to relate different items in the question. In a ratio problem, it's important to remember to

1) Write the items in the ratio as a fraction.

2) Make sure that you have the same items in the numerator and denominator.

→ Step 1:

The first step is to assign variables. Let x = vertical resolution of the 23" monitor.

Write the items in the ratio as a fraction.

[tex]\frac{horizontal}{vertical} = \frac{1680}{1050} = \frac{1920}{x}[/tex]

Step 2:

Solve the equation.

      Cross multiply:

[tex]1680*x = 1920 * 1050[/tex]

[tex]1680x=2016000[/tex]

       Isolate variable x:

[tex]x=\frac{2016000}{1680}[/tex]

[tex]x=1200[/tex]

mZA = (x + 30°
mZB = xº
mZC = (x + 60°
Need help pleaseeee

Answers

Answer:

.

Step-by-step explanation:

X= -11, y=11 pls help if you can thank you

Answers

Answer:

here

Step-by-step explanation:

x= - 11 and y =11

Answer:

11:)

Step-by-step explanation:

1) (3.1 x 10^1)(4.3 x 10^-6)​

Answers

Answer:0.0001333

Step-by-step explanations :

The tax rate for a motel is 18%. How much will you pay in taxes for a room that costs $108? 

Answers

Answer:

$19.44

Step-by-step explanation:

$108 x 18% = $19.44

HELP ME PLEASEEEEEEEEEE

Answers

Answer: The total amount the water change was -28 gallons by the end of the week OR The total amount the water changed decreased 28 gallons by the end of the week. Depending on how you want to word it.

Hope this helps!

Step-by-step explanation:

Create you equation:

x = the total amount the water changed

d = the amount of days

x = -4d

Insert the known information into the equation and solve:

x = -4d

x = -4(7)

x = -28

Find 4cos2a, if
[tex] \cos(a) = \frac{ \sqrt{3} }{2} [/tex]

Answers

If you mean to find 4 cos(2a), then recall the double angle identity for cosine:

cos(2x) = 2 cos²(x) - 1

so that

4 cos(2a) = 4 (2 cos²(x) - 1) = 4 (√3 - 1)

If the data analyst hypothesizes that grocery sales are lower on Sunday than on other days, the null hypothesis would likely state that:

Answers

Answer:

The answer is "Grocery sales are lower or no different on Sunday than on other days"

Step-by-step explanation:

Its null hypothesis does not always consider any discrepancy between both the comparable qualities throughout facts and figures. Furthermore, researchers recommend also have lower or even no opposite transactions for Sunday than with other days, because there is no connection between grocery sales and Saturdays and Sundays.

Need help with hw due in less than a hr!

Answers

Sure I can help with it

Help quick!!!!!!!!!!!!

Answers

9 muffins and 15 pizza pies
Answer: 9 muffins sold. 15 pizza pies sold.

Explanation: a bakery sells 3 muffins for every 5 pizza pies.

If muffins=

Pizza pies=5x

The bakery sold a total of 24 muffins and pizza pies together.

3x + 5x = 24

8x = 24

Dividing both sides by 8, we get..

X=3

Muffins = 3 x 3 = 9

Pizza pies = 5 x 3 = 15.

Hope this helps! :D

NEED HELP FAST AS POSSIBLE PLZ NEED TO TURN IN NOW​

Answers

Answer:

Quick Answer it is A

Step-by-step explanation:

You have developed an angle bisector.

That means that JKM = LKM

B: is incorrect. The 1/2 should go on the angle on the left, not the one where it is

C: is incorrect. 1/2 of the given angle cannot be the same as the bisected angle.

D: is wrong. A bisected angle can't be twice as big as the given angle before it is bisected.

Boris bought 3 CDs that were each the same price. Including sales tax, he paid a total of $37.20. Each CD had a tax of $1.30. What was the price of each CD before tax?

Answers

Answer:

11.10

Step-by-step explanation:

37.20 - 3(1.30) = 33.3

33.3/3 = 11.1

Each CD costs $11.10

35.
A box is 1 m long, 40 cm high and 20 cm wide. What is the volume of the box in cubic
centimeters?
I need help please thank you

Answers

Answer:

Step-by-step explanation: First, we need to convert 1m to cm, which is 100. Now, we simply do 100 x 40 x 20, which equals 80,000 cubic centimeters.

Hope this helps :)

What is 37% of 600?
ANSWER CORRECT

Answers

Answer:

the answer is 222

Answer:

222

Step-by-step explanation:

To solve the equation above for X, you first switch the sides to get the X on the left side, then you multiply each side by 600, and then finally divide the numerator by the denominator on the right side to get the answer. Here is the work to illustrate:

37/100 = X/600

X/600 = 37/100

X*600/600 = 37*600/100

X = 22200/100

X = 222

Let see if this work

Answers

Answer:

i really dont know what you are saying, but thanks for the points and have a nice day! always smile peeps!

The chart below contains the results of a survey in which students were asked about their cell phone plan.

Cell Phones Plans
Plan
Students
No cell phone
20
Voice only
14
Voice and texting
12
Voice, texting, and data
4

What percent of the students surveyed have a phone plan with texting?
16%
24%
32%
68%

Answers

Answer:

I think 32% (Let me know if I am wrong)

Step-by-step explanation:

Answer:

C) 32%

Step-by-step explanation:

⁷Write decimal equivalent two hundred and thirty-four hundredths?

Answers

Answer:

200.34

Step-by-step explanation:

What is the rate of change (Slope) of the cost with respect to the number of miles for the Yellow Cab Company?

Answers

Answer:

The slope would be 2

Step-by-step explanation:

All you do is pick two order pairs: (2,6) and (4,10),  then you do y1 - y2, so 10-6 to get 4 then do x1 - x2, so 4 - 2 which is 2, then you divide 4 by 2 to get 2.

Solve for n in the following equation. A=P(1+n) show all your work

Answers

Answer:

A-1/P=n

Step-by-step explanation:

step 1. look at the parentheses and use inverse operations on both sides

A=P(1+n)

-1       -1

step 2. divide both sides by P

A-1=P(n)

/P    /P

n= A-1/P

The value of n on solving the equation A = P (1 + n) is A / P - 1.

What is equation?

An assertion that two mathematical expressions have equal values is known as an equation. An equation simply states that two things are equal. The equal to sign, or "=," is used to indicate it.

Given:

A = P (1 + n),

Here we can solve the parentheses by using the distributive property as shown below,

A = P × 1 + P × n

A = P + nP

Transform as shown below,

nP = A - P

n = (A - P) / P

n = A / P - 1

Thus, the value of n is A / P - 1.

To know more about equation:

https://brainly.com/question/12788590

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The first coordinate of the point ( - 3, 2) indicates the point is located

Answers

Answer:

In the first coordinate

Step-by-step explanation:

For x = -3, the point is either located in 2nd or 3rd quadrant.

What is the general equation of a Straight line? What is a coordinate?

The general equation of a straight line is -

[y] = [m]x + [c]

where -

[m] → is slope of line which tells the unit rate of change of [y] with respect to [x].

[c] → is the y - intercept i.e. the point where the graph cuts the [y] axis.

A coordinate is represented as -

P(x, y)

where -

[x] is abscissa

[y] is ordinate

We have the following coordinate -

(-3, 2)

For x = -3, the point is either located in 2nd or 3rd quadrant

Therefore, for x = -3, the point is either located in 2nd or 3rd quadrant.

To solve more questions on geometry, visit the link below-

brainly.com/question/20400984

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A researcher wants to construct a 90% confidence interval for the proportion of elementary school students in Seward County who receive free or reduced-price school lunches. A state-wide survey indicates that the proportion is 0.50. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.1?

Answers

Answer:

The sample  size is  [tex]n =68[/tex]

Step-by-step explanation:

    The population proportion is  [tex]\^ p = 0.50[/tex]

     The margin of error is  [tex]E = 0.1[/tex]

From the question we are told the confidence level is  90% , hence the level of significance is    

      [tex]\alpha = (100 - 90 ) \%[/tex]

=>   [tex]\alpha = 0.10[/tex]

Generally from the normal distribution table the critical value  of  [tex]\frac{\alpha }{2}[/tex] is  

   [tex]Z_{\frac{\alpha }{2} } =  1.645 [/tex]

Generally the sample size is mathematically represented as  

    [tex]n = [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p ) [/tex]

=>  [tex]n = [\frac{1.645 }{0.1} ]^2 * 0.50  (1 - 0.50 ) [/tex]

=>  [tex]n =68[/tex]

     

Can someone please help me with this question I don’t understand it

Answers

Brand A: 32 Diapers, $8.99: about 28 cents per diaper

Brand B: 50 Diapers, $12.49: about 24 cents per diaper

You divide the amount of diapers by the money.

For example, 32 diapers/$8.99 equals about 28 cents per diaper and 50 diapers/$12.49 equals about 24 cents per diaper.

Brand B is the better deal since you save about 4 cents more.

Find the area of the circle. Use pi =3.14 and round to the nearest hundredth. R=14m

Answers

Answer:

615.75 or 616.0

Step-by-step explanation:

what is two cubed and then divided by 4?

Answers

Two cubed = 2^3
2 * 2 * 2 = 4 * 2 = 8
8/4 = 2
The answer is 2

Answer:

2

Step-by-step explanation:

2 cubed is 8, then divided by 4 is 2

Please, help me with my homework! Thank you!

Answers

Answer:

i think (17)

Step-by-step explanation:

The perimeter of this compound shape (17) when you add up the sides and find the answer to the missing side.

A bag has 5 yellow marbles 3 red marbles and 2 blue marbles.Quinn randomly picks a marble from bag and returns it before another is picked. How many times would quinn expect to pick a blue marble if he picks a marble 200 times

Answers

Answer:

40 times

Step-by-step explanation:

5+3+2=10

10(x)=200

x=20

what is 9 percent of 30948

Answers

Answer:

2785,32

Step-By-Step:

30948*0.09

Answer:

2785.32

Step-by-step explanation:

solution,

9 % of 30948

= 9/100×30948

= 278532/100

= 2785.32

9%of 30948 is 2785.32

Other Questions
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