hello i need help on this

Hello I Need Help On This

Answers

Answer 1

A rational number is a number that can be expressed as a ratio of two integers. Integers can be positive or negative. Rational numbers are simply fractions. For example;

-5/2, -1/5, 3/1, 4/5 etc are all rational numbers because we can write them as a ratio of two integers.

Since some of this fractions can lead to both negativa and positive integers, hence rational number is a positive or negative whole number including 0.

Hence all the options are correct since rational numbers are are also repeating decimals


Related Questions

to make one cup of hot chocolate, 1 1/2 tablespoons of hot cocoa mix must be used. if a snack bar wants to make 70 cups of hot chocolate, how much mix will they need?

Answers

Given:

1 cup of hot chocolate = 1½ tablespoons of cocoa mix.

70 cups of hot chocolate = x tablespoons of cocoa mix.

Note that 1½ = 1.5

Let's find how much mix will they need below:

[tex]\begin{gathered} \frac{1}{1.5}=\frac{70}{x} \\ \text{Cross multiply} \\ x\text{ = 70 }\ast\text{ 1.5 } \\ \text{ = }105 \end{gathered}[/tex]

Therefore the amount of hot cocoa mix they will need is 105 tablespoons

ANSWER:

105 tablespoons of hot cocoa mix

PLEASE ANSWER FAST ! Function g is represented by the equation g(x)= log2 (x+3)-2.
Over which interval are both functions positive?

Answers

Answer: (1, 4)

Use a grapher

Which table is a probability distribution table?

Answers

Answer:

a [i can not see d thought so for future can you take the full photo]

Step-by-step explanation:

y÷x

p÷x

3. A box contains 6 blue balls and 4 red balls. Two balls are drawn from the box, one after the other, with replacement. Determine the probability that one of the balls is red, and the other ball is blue. Give your answer as a decimal rounded to the nearest hundredth. (2 marks) 4/10 .40 4. The probability that Andrew's mother will serve rice with dinner is 0.78. The probability that she will serve carrots is with dinner is 0.30. The probability that she will serve neither rice nor carrots is 0.14.

Answers

The given

The probability of serving rice with dinner

[tex]P(A)=0.78[/tex]

The probability of serving carrots with dinner

[tex]P(B)=0.30[/tex]

The probability of serving neither rice nor carrot is

[tex]P(A^{\prime}\cap B^{\prime})=0.14[/tex]

The ven diagram is

2)

The probability of serving both rice and carrot is

[tex]P(A\cup B)=P(A)+P(B)-P(A\cap B)[/tex]

Recall that

[tex]P\mleft(AUB\mright)=1-P(A^{\prime}\cap B^{\prime})[/tex]

Substitute the values, we get

[tex]P\mleft(AUB\mright)=1-0.14[/tex]

[tex]P\mleft(AUB\mright)=0.86[/tex]

What is the value of X makes this addition sentence true?
X=903+0

Answers

The value of X for which expression X = 903 + 0 is true, is;

⇒ X = 903

What is substitution method?

To find the value of any one of the variables from one equation in terms of the other variable is called the substitution method.

Given that;

The expression is;

X = 903 + 0

Now,

When we add 0 is any number then the result is same number.

So, Solve the expression as;

X = 903 + 0

X = 903

Thus, The value of X for which expression X = 903 + 0 is true, is;

⇒ X = 903

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Simplify Number 539

Answers

Okay, here we have this:

Considering the provided expression, we are going to simplify it, so we obtain the following:

539.A:

Then by properties of exponents we get the following:

[tex]\begin{gathered} 216^{\frac{1}{3}} \\ =(6^3)^{\frac{1}{3}} \\ =6^{\frac{3}{3}} \\ =6^1 \\ =6 \end{gathered}[/tex]

Finally we obtain that the given expression is equal to 6.

In your office, 1⁄4 of the 24 employees eat lunch daily at a restaurant. How many employees eat at a restaurant?

Answers

Answer:

¼ × 24= 6

:- 6 employees eat at a restaurant

Step-by-step explanation:

please rate as brainliest

Answer:

6

Step-by-step explanation:

In your office, 1⁄4 of the 24 employees eat lunch daily at a restaurant. How many employees eat at a restaurant?

We need to find 1/4 of 24 employees:

because 1/4 = 0.25

0.25 × 24 = 6 employees eat out

help

i give 5 stars and 30 points​

Answers

Answer:

Step-by-step explanation:

first u add them all up 949

1080-949=131 degrees for the first 1

second one is 36.5

tell me if the answers r wrong

Every quart is 2 pints. This can be expressed using the equation y × 2 = Z, where y is equal to the number of quarts and Z is equal to the total number of pints. Using this equation find the total pints in 10 quarts._____ pints

Answers

Given data:

The expression for the total nummber of pints is Z=yx2.

The given value of y is,

y=10 quarts.

Substitute the given values in the aabove expression.

Z=10x2

=20 pints.

Thus, the total pints is 20

1. A car starting from rest has a constant acceleration of 4 meters per second per second. How fast will it be going in 5 seconds?

Answers

Answer: 20m/s

Step-by-step explanation:

Velocity final= Velocity initial+acceleration*time

Vf=0+4*5= 20m/s

HELP ! THIS IS DUE IN A FEW HOURS!

Answers

The maximum height reached by the ball is 22 feet

The ball stayed in the air for 1 second

What is a function?

A function can be defined as a rule, law or expression that shows the relationship between two identifiable variables:

The  independent  variableThe dependent variable

Given the function:

h(t) = -16t² + 32t + 6

Where;

h is the maximum height measured in feett is the time in seconds

To determine the maximum height in feet that the ball reached, we would be required to substitute the value of t as 1

We have:

h(1) = -16(1)² + 32(1) + 6

expand the bracket

h(1) = -16 + 32 + 6

Add the values

h(t) = 22 feet

To determine the time, we have;

-16t² + 32t + 6 = 22

-16t² +32t + 6 - 22 = 0

Add like terms

-16t² +32t - 16 = 0

Factorize further

-16t² + 16t + 16t - 16 = 0

Factorize in pairs

16t( t - 1) + 16 ( t - 1) = 0

Then,

t - 1 = 0

t = 1 second

Thus, the maximum height is 22 feet

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How many ones are in 23.47? How
many whole ones?

Answers

Answer: The answer is 234.7

Step-by-step explanation:

Kayak wants to find 2 2/3 divided (- 1 3/7). She first rewrites the division as (2 2/3) ( 1 7/3)

Answers

Using fraction multiplication, the answer of  2 2/3 divided by -1 3/7 is [tex]\frac{-4}{5}[/tex]

What does multiplication in mathematics mean?

It is stated as "a multiplied by b" when two numbers, let's say "a" and "b," are multiplied. Multiplication in mathematics is essentially just adding a number repeatedly in relation to another number. For instance, if we multiply 2 by 3, then means that 3 gets multiplied by itself twice, meaning 3 + 3 = 6.

Given,

we are to divide 2 2/3 by -1 3/7

[tex]\frac{8}{3}[/tex] × [tex]\frac{-3}{10}[/tex]

⇒ [tex]\frac{-4}{5}[/tex]

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all you need is in the photo please answer fast

Answers

Explanation:

The steps to construct an inscribed square are:

0. Draw the diameter of the circle

,

1. Place the compass on the point where the circle and diameter intersect

,

2. Swing an arc the length of the radius from the point on the circle

,

3. Repeat 2 and 3 for the other intersection point

,

4. Draw a line through the intersections of the arcs from the previous steps

,

5. Draw lines between the points on the circle

The step from the options that's not here is swing two arcs above and below the diameter

Answer:

Swing two arcs above and below the diameter

Solve by completing the square.
x² + 10x = -81
O {6+i√42, 6-i√/42}
O {12+√133, 12-√133}
O {11, 1}
O {-5+2i√/14, -5-2i√/14}

Answers

Answer:

Option 4

Step-by-step explanation:

[tex]x^2+10x=-81 \\ \\ x^2+10x+25=-56 \\ \\ (x+5)^2=-56 \\ \\ x+5= \pm \sqrt{-56}=\pm 2i \sqrt{14} \\ \\ x=-5 \pm 2i \sqrt{14}[/tex]

Line/has the equation y=1/3x. Find the equation of the image of/ after a dilation with a scale factor of 1/2, centered at the origin

Answers

The correct answer is 1/3x

Option B is the correct answer

i need help with my dividing please

Answers

What exactly do you need help with

There are approximately 3.1 x 108 people in the United States. If each person has 4.1 x 10¹ coins how many coins are there all together?

Answers

Using simple multiplication, we concluded that Total coins equals 127 × 10 ⁷

What is a multiplication?

Multiplying in math is the same as adding equal groups. The number of items in the group grows as we multiply. Parts of a multiplication issue include the product, the two factors, and the product. The factors in the multiplication problem 6 x 9 = 54 are the numbers 6 and 9, and the product is the number 54.

People in the United States = 3.1 x 10⁸

each person has 4.1 x 10¹ coins

Total coins = ( 4.1 x 10¹ ) × ( 3.1 x 10⁸ )

Total coins = 12710000000

= 127 × 10 ⁷

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The price of sweaters starts at Pa= $120 each and a quantity supplied of Qa= 40 sweaters. If the price falls to Pb= $12 each, what is the new quantity supplied (Qb) if the slope of the supply curve is m=3 Round your answer to nearest whole number of sweaters.

Answers

The quantity of the new sweaters at a price of $12 is gotten using the slope of 3 to be 36 sweaters

How to find the new quantity if the price falls to $12

given data

Pa = $120

Qa = 40

Pb = $12

slope of the supply curve is m=3

The slope represents the relationship between the the input variable and the output variable.

The input variable is the price while the output variable is the quantity supplied.

The slope is the factor that multiplies the input to get the output, we therefore solves as follows

= Pb * slope

= $12 * 3

= 36

Therefore at the price of$15 the quantity supplied is 36 sweaters

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Answer:

4 sweaters

Step-by-step explanation:

Pa-Pb /Qa-Qb

What can you say about the continuous function that generated the following table of values? X -3 0 1 5 11 y 4 -3 2 0 7 A. the function has exactly one x-intercept OB. the function has more than one x-intercept O C. the function has no x-intercepts D. not enough information to answer the question ​

Answers

The continuous function that generated the following table of values is has more than one x-intecept.

What is continuous function ?

A continuous function is one whose graph is continuous throughout without any interruptions or leaps, as the name suggests. In other words, we claim that a function is continuous if we are able to draw its curve (graph) without ever picking up the pencil. Calculus students must learn about a function's continuity because without it, a function cannot be differentiable.

Table

x        y

-3      4

0      -3

1      -2

5      0

11    7

An x-intercept results whenever the function crosses the x-axis and changes sign. Additionally, when the function's value is zero, it acts as an x-intercept.

In the tables, there are two sign changes (from +4 to -3 and from -3 to +2). It also has one value of zero, and this function has a minimum of three x-intercepts. Therefore, you can infer that the choid b is accurate.

The function has more than one x-intecept.

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*WILL GIVE BRAINLIEST* Hi, I need help answering questions about the graph attached!
*ATTACHED ALREADY* Use Desmos to graph the following function :f(x)=2 sin⁡x.
Use your graph to come up with a few solutions for the equation 2 sin⁡〖x=2.〗
Are there more solutions than the ones on the graph? Explain.

Answers

The general solution of the function, y = sin(x), can be found by using the measure of the angles that have sines which equals 0 as follows;

x = -(2•π•n - π) and x = 2•π•n

What is a general solution of a function?

A general solution of a trigonometric function gives all possible solutions of the trigonometric functions and comprises of the integer n.

The given function is presented as follows;

f(x) = 2•sin(x)

The solution of the function is given by the point where f(x) = 0 as follows;

When f(x) = 0

2•sin(x) = 0

Therefore;

sin(x) = 0

Therefore;

x = arcsin(0)

sin(2•π) = 0

sin(π) = 0

Therefore, the solution is the set of whole number multiples of pi

Which gives;

x = -(2•π•n - π) and x = 2•π•n

Please find attached the graph of the function created with the required application.

From the graph of the function, we have that the graph crosses the x–axis at points -π, 0, π, ..., which are multiples of π

The general solution to the function f(x) = sin(x) is therefore;

x = -(2•π•n - π) and x = 2•π•n

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What is 2 2/5 as a percentage? How would I plot on a number line?

Answers

Answer:

240%

Step-by-step explanation:

Times the two whole number by five, add the result to top number, divide by denominator.

Rewrite 23 + 42 = 65 using the Commutative Law of Addition.

Answers

Answer: 23+42=42+23

how the heak is this a colledge question*_* i learned this in 2nd grade lol

We have rewritten 23 + 42 = 65 as 23 + 42 = 65 using the Commutative Law of Addition.

What is Number system?

A number system is defined as a system of writing to express numbers.

The Commutative Law of Addition states that changing the order of the addends does not change the sum.

a+b=b+a

Therefore, we can rewrite 23 + 42 as 42 + 23, and the equation becomes:

42 + 23 = 65

or 42+23=23+42

So, we have rewritten 23 + 42 = 65 using the Commutative Law of Addition.

Hence,  we have rewritten 23 + 42 = 65 as 23 + 42 = 65 using the Commutative Law of Addition.

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I need help with number 4 mostly

Answers

Answer:

815/99 (fraction); 8 23/99 (mixed number)

Step-by-step explanation:

the fraction for 0.23 repeating is 23/99

you add 8 in front of it

8 23/99 is the mixed number version

for the fraction version you must multiply 99 to 8 and then add it to 23

8 * 99 = 792

792 + 23 = 815

so

the fraction is 815/99

Number 12 I don’t get it y’all know ?

Answers

Answer: - 18

Step-by-step explanation:

-216 divided by 12 = - 18

(there are 12 months)

a crafter wants to make 20% profit on the items he makes. if the cost of materials is $1.20, what should the items sell for to make a 20% profit?
A. $1.44
B. $1.00
C. $1.24
D. $2.40

Answers

The crafter should sell the item for $1.44 to make a 20% profit

How to calculate the amount the item will be sold ?

The amount of profit to be made is 20%

100% + 20%

= 120%

= 120/100

= 1.2

The amount the item can be sold can be calculated as follows

1.20 × 1.2

= 1.44

Hence the item will be sold for $1.44 to make a profit of 20%

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13. An increase of speed of 4 km/h on a journey of 32 km reduces
the time taken by 4 hours. Find the original speed.

Answers

Answer:

What is the role of ethnocentrism in defining the concept of “progress”

Step-by-step explanation:

Find the slope of the line that passes through the pair of points.
(-3, 5), (3, 6)

Answers

Solution:

The slope of the line passing through the given pair of points would be [tex]m=\frac{1}{6}[/tex].

Hope this helps!

Shelia is playing a game with a 6-sided number cube. The number rolled determines the number spaces moved

Answers

Sheila's mapping diagram doesn't represent a function because it includes the points (3, 6) and (3, 6) and fails the vertical line test.

What is a mapping diagram?

An illustration of two circles that depicts the relationship between input and output values is known as a mapping diagram. By drawing an arrow from one x-value to its corresponding y-value, the x-values (inputs) in the image are transferred to the y-values (outputs).

It does not represent a function because the same input value, 3, is mapped to more than one output value, 3 and 6. Her relation has the following ordered pairs: (1, 1), (2, 2), (3, 3), (3, 6), (4, 4), 5, 5), and (6, 6). Since both (3, 3) and (3, 6) have the same x-coordinate, the relation fails the vertical line test and is not a function.

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Sheila is playing a game with a 6-sided number cube. The number rolled determines the number of spaces moved. However, if a 3 is rolled, the player can choose to move 3 or 6 spaces. This mapping diagram shows the inputs and outputs for Sheila's game.

Does Sheila's mapping diagram represent a function? Why or why not?

The water pressure on a submerged object is given by P = 64d, where P is the pressure in pounds per square foot, and d is the depth of the object in feet.
a. solve the formula for d.


b. Find the depth of a submerged object if the pressure is 672 pounds per square foot.

Answers

The water pressure on the submerged object is given by d = P ÷ 64

Pressure is the force that is applied perpendicularly to the area across which it is applied to an object's surface (symbol: p or P).

Gauge pressure, frequently written gage pressure, is the measurement of pressure in proportion to the atmosphere.

Various units are used to express pressure.

The pound-force per square inch (psi), which is equivalent to one newton per square meter (N/m2) in the SI, is the standard unit of pressure in the imperial and American customary systems.

A unit of force is divided by a unit of area to arrive at some of these findings.

a. The given formula is is P=64d

or , d = P ÷ 64

b. at a pressure of 672

d = 672  ÷ 64

or, d = 10.5 feet

Therefore the pressure is 672 pounds per square foot at a depth of 10.5 feet.

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