You must have a common denominator when _______ fractions. Choose all that apply.
A) Subtracting
B) Multiplying
C) Adding
D) Dividing

Answers

Answer 1

Answer:

Adding and subtracting!!!

Step-by-step explanation:

i took math lol

PS plzz tell me if u got it right!!!

Answer 2

Answer:

Dividing, subtracting, adding

Step-by-step explanation:

the reason you can only multiply without a common denominator is that the multiplication process does it for you, normally, the quickest way to find an easy common denominator is to multiply the two, then simplify at the end.

Hopefully this helped!


Related Questions

What are the domain and range of the function f(x)= x4 - 2x2-4?
O domain: all real numbers
range: all real numbers greater than or equal to -5
O domain: all real numbers
range: all real numbers greater than or equal to -4
domain: all real numbers between -2.5 and 2.5
range: all real numbers
O domain: all real numbers between -2.5 and 2.5
range: all real numbers greater than or equal to -5

Answers

Answer: A. domain: all real numbers

range: all real numbers greater than or equal to -5

The domain and range of the function f(x)= x4 - 2x2-4 is all real numbers, and all real numbers greater than or equal to -5.

What is the domain and range of the function?

The domain of a function is defined as the set of all the possible input values that are valid for the given function.

The range of a function is defined as the set of all the possible output values that are valid for the given function.

We are given that;

f(x)= x4 - 2x2-4

Now,

To find the range, we can consider the behavior of the function as x approaches positive or negative infinity. As x gets very large or very small, the x^4 term will dominate, and the function will become very large (positive for large positive x, negative for large negative x). So, we know that the range is not all real numbers.

We can also complete the square to rewrite the function in vertex form:

f(x) = (x^2 - 1)^2 - 5

From this form, we can see that the minimum value of f(x) is -5, which occurs when x = 0. Therefore, the range of the function is:

Range: all real numbers greater than or equal to -5

So, the answer will be Domain: all real numbers, Range: all real numbers greater than or equal to -5

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Which two expressions are equivalent to 5^2/5^8
A 1/5^6
B 1^-6
C (5^2)^-3
D (5^2)^-8

Answers

Answer:

Carbon (C), nonmetallic chemical element in Group 14 (IVa) of the periodic table. Although widely distributed in nature, carbon is not particularly plentiful—it makes up only about 0.025 percent of Earth's crust—yet it forms more compounds than all the other elements combined.

Answer:

a and c

Step-by-step explanation:

6y>8 answer in a fraction

I need help with finding the answer I do not understand what to do and the answer has to be in fraction form and I just really need help

Answers

Answer:

Y= 3 over 4

Step-by-step explanation:

In typinging case we don't tell by real answer but may be u know what. I want to say

Which word best describes the degree of overlap between the two data sets?

moderate

high

none

low
Two line plots with the same scale and interval, from ten to twenty, with tick marks every one unit. The plots are stacked vertically for comparison. Each plot has fourteen data values. Values appear as x marks above the line. Upper plot data values are one x mark above eleven, one x mark above twelve, two x marks above thirteen, two x marks above fourteen, four x marks above fifteen, three x marks above sixteen, and one x mark above seventeen. Lower plot data values are one x mark above 11, one x mark above twelve, one x mark above thirteen, two x marks above fourteen, four x marks above fifteen, three x marks above sixteen, and two x marks above seventeen.

Answers

Answer:

I think it's moderate

The word that best describes the degree of overlap between the two data sets is "moderate."

What is Statistics?

Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.

We have to find the word which  best describes the degree of overlap between the two data sets.

Two line plots with the same scale and interval, from ten to twenty, with tick marks every one unit.

The word that best describes the degree of overlap between the two data sets is "moderate."

The two data sets have some values in common, but there are also some differences between them.

Hence, word that best describes the degree of overlap between the two data sets is "moderate."

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the value of y please

Answers

The correct answer is

y= 85

Resolution

y= (-9)^2 +4

y= 81 + 4 = 85

whichis the equation of a line thats has a slope of -2/3 and passes through point (-3,-1) ​

Answers

Answer:

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

Step-by-step explanation:

If you use Desmos and enter (-3,-1) then enter your lines you can match them up.

Solve the system of equations
X - 3y + z = 1
2x - y - 2z = 2
X+ 2y - 32 = -1

Answers

Answer:

 {x = -3 , y = 4 , z = 0

Step-by-step explanation:

Find the unit rate. 84 miles in 12 days
(Ratio)

Answers

Answer:

84:12

7:1

hope this helps, good luck :)

Answer:

84:12

7:1

divide each by 12

!!(Help me please)!!

The median test score in your friends class is

A)80
B)70
C)90
D) none of the above​

Answers

Answer:

80 is the answer

Step-by-step explanation:

Michael used a ruler to measure the length of a rope and he found that it was 7 ½ feet long. What is the length of that rope in yards?

Answers

Answer:

hi mai Ankit Kumar and smart ways of learning and smart ways of learning and smart and the other day

awser the circled question ​

Answers

Answer:

7.5

Step-by-step explanation:

if one square is unit then use area formula for a right triangle which is 1/2bh

since height is 5 and base is 3, 5*3= 15 and 15/2= 7.5

hope this helps

Please help me
Evaluate 7+2^3
Answer:________

Answers

Answer:

9^...................

Answer:

15

Step-by-step explanation:

2³ is the same as 2 x 2 x 2 or 8. 8 + 7 is 15.

Hope it helps!

I need the answers ASAP •_•

Answers

Answer:

17) vertical

18) vertical

19) vertical

20) adjacent

Wich one does not belong , And why..?

veiw the image

Answers

Answer:

2x+3

Step-by-step explanation:

the upper left, upper right, and lower right are all using distributive property. The lower left is not.

True or false:
There is some translation
(x, y) + (x + h, y + k) that maps a square
to a circle.
Select one:
O True
False

Answers

Answer:

true

Step-by-step explanation:

Answer:

true

Step-by-step explanation:

WILL GIVE BRAINLIEST
In which set do all of the values make the inequality 2x -1 < 10 true?
A. (10,15,20)
B. (5,7,9)
C. (4,6,8)
D. (2,3,4)

Answers

Answer:

D

Step-by-step explanation:

i just know

For the given central angle, determine the distance traveled along the unit circle from the point (1, 0). 360 degrees a. 6.28 units clockwise c. 3.14 units clockwise b. 6.28 units d. 3.14 units

Answers

Answer:

The length of a 180° arc of a unit circle is π ≈ 3.14 units.

Step-by-step explanation:

Use your knowledge of the circumference of a circle (the length full around) and the fact that there are 360° in the central angle of a full circle. The distance around is proportional to the angle, so an arc of measure 180° will have a length equal to

... (180°/360°) × circumference = (1/2)×circumference

For a unit circle, the circumference is 2π (= π×diameter = 2π×radius). Half that length is π units.

Answer:

I can't give a "smart" explanation but the answer is D) 3.14 units

Standard form of 0=2-y

Answers

Answer:

y = 2

Step-by-step explanation:

0 = 2 - y

-2 = -y

y = 2

Answer:

it'll always be the number it is if it's going by 0

Isabella earned $129.60 at her job when she worked for 6 hours. How much money
did she earn each hour?

Answers

Answer:

21.6

Step-by-step explanation:

you divide 129.60 by 6 and you get 21.6.

— 6р = 48
p=
I need help please

Answers

p=- 8. Divide both sides by -6.

What are the coordinates of the image if this pre-image is dilated by 2?

Answers

Answer:

Step-by-step explanation:

hopes this helps :p

Raul started a plant garden and started collecting lots of soil to grow his plants. His supply of soil grows by 8% per week. If he starts with 14 kg of soil, how much does he have after 16 weeks? Round your answer to the nearest hundredth (two decimal places). I​

Answers

14k becasue I just thought of that

what is the answer for this problem ? 3x + 2y = 29​

Answers

3x+2y-29=29-29 answer is 0

what is the monthly interest payment for an account with a balance of $200.00 and an A.P.R of 18%

Answers

Answer:

Find the monthly rate: Divide the APR by 12. : 18/12= 1.5

Multiply that the monthly rate by the amount of the loan: $200X1.5% = 3.-

$3.- is the monthly interest payment

If the expression (2x⁴)³ was written in axb form, which of the following would be the sum of a and b?

Answers

Answer:

20

Step-by-step explanation:

cube everything in the ( )

2^3(x^4)^3

you get 8x^12

8 +12 =20

The sum of a and b according to the expression solved is 20.

What is an expression?

Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between.

Given that, the expression (2x⁴)³ was written in axᵇ form,

We will get,

(2x⁴)³ = 8x¹²

Here, a = 8 and b = 12

The sum = 20

Hence, the sum of a and b according to the expression solved is 20.

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Wes is ordering nachos at a restaurant, and the server tells him that he can have up to three toppings: black olives, guacamole, and chicken. Since he cannot decide how many of the toppings he wants, he tells the server to surprise him. If the server randomly chooses which toppings to add, what is the probability that Wes gets just black olives and guacamole

Answers

Answer:

2/9

Step-by-step explanation:

Possible outcomes: olives, olives and guacamole, olives and chicken, guacamole, guacamole and olives, guacamole and chicken, chicken, chicken and olives, chicken and guacamole = 9 possible outcomes

way to achieve just black olives and guacamole = 2

possibility is 2 over 9 = 2/9

Leah flips a coin, and then she spins a spinner with 3 equal sections colored red, green, and blue. What is the probability that
the coin flips heads, and
the spinner lands on either red or blue?
Enter your answer as a percentage, to the nearest percent.

Answers

Answer:

1/3 ! i think?

Step-by-step explanation:

there's a 1/2 chance it lands on heads and a 2/3 chance it lands on red or blue and 1/2 x 2/3 is 1/3

The probability that the coin flips heads, and the spinner lands on either red or blue is 1 by 3.

Calculation of the probability:

Since Leah flips a coin, and then she spins a spinner with 3 equal sections colored red, green, and blue.

Since there is half chance for heads and 2 by 3 for landing on red or blue

So, the probability should be

[tex]= 1/2 \times 2/3 \\\\= 1/3[/tex]

Hence, The probability that the coin flips heads, and the spinner lands on either red or blue is 1 by 3.

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What is 5.23 divided by 9

Answers

0.581 i used a calculator

Answer:

[tex]\frac{5.23}{9} = 0.581111[/tex]

Step-by-step explanation:

5.23 / 9 = 0.5811111

Pls help I need it now pls

Answers

Answer:

it would be D because x is based off of the x axis so when it moves left to right. And y is y axis so it moves up and down.

Step-by-step explanation:

An aquarium tank is 3 feet long 1 foot wide and 2 feet high how many gallons of water would it take to fill the tank two thirds full a cubic foot is about 7.5 gallons

Answers

Answer: i believe it'll take 6 gallons to fill up the tank two thirds full

Step-by-step explanation: 3 x 1 x 2 = 6 gallons

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