what is 13 over 20 in simplest form

Answers

Answer 1
13 is the simplest form, unless you want it as a decimal.
Answer 2
I'm pretty sure that it's simplest form is 13 over 20

Related Questions

Which ordered pairs lie on the graph of the exponential function f(x)=128(0.5)x Question 1 options:

(0, 1)


(1, 64)


(3, 16)


(8, 0.5)

Answers

The ordered pairs lie on the graph of the exponential function is (3, 16).

What is Exponential Function?

The formula f(x) = [tex]a^x[/tex]defines an exponential function, where x is the input variable as an exponent. The exponential curve is determined by the exponential function and the value of x.

We have,

f(x) = 180 (0.5[tex])^x[/tex]

Now, for x = 0,

So, f(x) = 128(0.5[tex])^0[/tex]

= 128(1)

= 128

Now, for x = 1,

f(x) = 128(0.5[tex])^1[/tex]

= 128(0.5)

= 256

Now, for x = 3,

f(x) = 128(0.5[tex])^3[/tex]

= 128(1/8)

= 16

So, the correct ordered pair is (3, 16).

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An airplane flies 3/4 of a mile in 1/8 of a minute what is the airplane speed in miles per minute

Answers

to figure this out just multiply 3/4 by 8 because you need to seethe plane flies 3/4 miles 8 times. 

Answer:

Step-by-step explanation:

Use proportions to figure this out.  On the top you'll have miles and on the bottom you'll have minutes.  I am going to change 3/4 to .75 and 1/8 to .125:

[tex]\frac{miles}{minute}:\frac{.75}{.125}[/tex]

We want to know how many miles per 1 minute that is.  So we have the unknown on top in a new ratio, with 1 on the bottom:

[tex]\frac{miles}{minute}:\frac{.75}{.125}=\frac{x}{1}[/tex]

This second ratio is allowing us to calculate what the decimal ratio is in miles per 1 minute.  Cross multiply to get

.125x = .75 so

x = 6 miles

That tells us that the decimal ratio is equivalent to 6 miles per minute

Kevin, while calculating his tax adjustments, notes that he can make adjustments of $3,435 for contributions to his retirement plan, $3,393 for business losses, and $1,128 for business expenses. If Kevin’s gross income is $45,942, what is his adjusted gross income?

a. $53,898
b. $40,242
c. $41,421
d. $37,986

Answers

Answer: Option 'D' is correct.

Step-by-step explanation:

Since we have given that

Amount of Kevin's gross income = $45942

Amount he contribute to his retirement plan = $3435

Amount he lost in business losses = $3393

Amount he incurred in business expenses = $1128

So, His adjusted gross income will be

[tex]45942-(3435+3393+1128)\\\\=45942-(7956)\\\\=\$37986[/tex]

Hence, his adjusted gross income is $37,986.

Hence, Option 'D' is correct.

Find the distance between (4, 2) and (-4 ,-4).
A) 2
B)√10
C) 4
D) 10

Answers

The answer will be D, 10

Stephan' sculpture is 7/12 foot tall. He attaches it to a base that is 1/3 foot tall. How tall, in feet, is the sculpture with the base?

Answers

Final answer:

To find the total height of Stephan's sculpture with the base, we add the heights represented by fractions with a common denominator to get an overall height of 11/12 feet.

Explanation:

To determine the overall height of Stephan's sculpture with the base, we simply need to add the height of the sculpture to the height of the base. The sculpture is 7/12 foot tall and the base is 1/3 foot tall. To add these two fractions together, we need to find a common denominator, which is 12 in this case. So, we convert 1/3 foot into 4/12 foot. Now we can add the two fractions:

7/12 + 4/12 = 11/12 feet

Therefore, the combined height of the sculpture and the base is 11/12 feet.

Express the area of this triangle as a monomial.
(picture below)

A. 28x^2

B. 1x

C. 11x^2

D. 14x^2

Answers

I hope this helps you




Area=height ×base/2



Area=7x.4x/2


Area =14x^2
In order to get the answer, let us analyze the given image first. 
The formula for getting the area of a triangle is A = 1/2(b*h).
So let us plug in the given values.
A = 1/2(4x)(7x)
A = 1/2 (28x2)
A = 14x^2
Therefore, the correct answer would be option D. The area of this triangle expressed in monomial is 14x^2. Hope this answer helps.

determine whether multiplication by A is one to one linear transformation
a)A=[ 1 -1
2 0
3 -4]
b) A=[ 1 2 3
-1 0 4] ...?

Answers

To know if the given matrix is one to one linear transformation, Row reduce the Matrix A and if it has free variables in it it means it is not a one to one linear transformation.

So, we take A and apply Row Operation and get the following matrix
 
1 0 0
0 1 0
0 0 0

As, it has free variables in it, it means it is not a one to one linear transformation.

Hope it helps :)

The initial number of veiws for a reader board was 25. The number of views is growing at a rate of 18% per week.

What is the number of views expected to be four weeks from now?

Round to the nearest whole number.

Answers

Based on the given values above, we will be able to determine the expected number of viewers after four weeks by just multiplying the number of viewers to 18% per week. So the initial is 25 for this next. So for the first week, additional of 4.5 viewers. So the total would be 29.5 Second week, additional of 5.31, and the total would be 34.81. Third week, additional 6.27, the total would be 41.08. And on the fourth week, additional of 7.39, so the expected number of viewers would be 48.47. To round this off to the nearest whole number, we can get 48 viewers. Hope this helps.

Answer:

The answer is 48

Step-by-step explanation:

At the time of 0 there are 25 views are exist for a reader board. If the growing rate is %18 than;

[tex]25*1,18=29,5[/tex]

There is no 0,5 view is exist than we need to round up to 30. 30 views for a reader board are exist. Than we need to repeat it for future three weeks.

[tex]30*1,18=35,4[/tex]

Second week its 35

[tex]35*1,18=41,3[/tex]

Third week its 41

[tex]41*1,18=48,38[/tex]

Forth week it goes up to 48 views.


Talia took the bus from her home to the bank and then walked back to her home along the same route. The bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. To determine the time, x, that it took Talia to walk home, she used the equation 40(0.9 – x) = 5x.

Answers

Final answer:

Talia took approximately 0.8 hours, or 48 minutes, to walk home.

Explanation:

To determine the time it took Talia to walk home, we can solve the equation

40(0.9 – x) = 5x.

First, distribute the 40 to get 36 - 40x = 5x.

Combine like terms to get 36 = 45x.

Divide both sides by 45 to solve for x.

Therefore, Talia took approximately 0.8 hours, or 48 minutes, to walk home.

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Final answer:

To solve the equation 40(0.9 – x) = 5x, distribute 40, combine like terms, and solve for x. Talia took 0.8 hours or 48 minutes to walk home.

Explanation:

The subject of this question is Mathematics and the grade level is High School.

To solve the equation 40(0.9 – x) = 5x, we can start by distributing 40 to the terms inside the parentheses: 36 – 40x = 5x.

Then, we combine like terms by adding 40x to both sides: 36 = 45x.

Finally, we divide both sides by 45 to find that x = 36/45 = 0.8.

Therefore, it took Talia 0.8 hours, or 48 minutes, to walk home.

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Expand (4x-3y)^4 using pascal's triangle ...?

Answers

Using row 4: 

coefficients are: 1, 4, 6, 4, 1 

a^4 + a^3b + a^2b^2 + ab^3 + b^4 

Now adding the coefficients: 

1a^4 + 4a^3b + 6a^2b^2 + 4ab^3 + 1b^4 

Substitute a and b: 

a = 4x 

b = -3y 

1(4x)^4 + 4(4x)^3(-3y) + 6(4x)^2(-3y)^2 + 4(4x)(-3y)^3 + 1(-3y)^4 

Now simplify the above: 

256x^4 - 768x^3y + 864x^2y^2 - 432xy^3 + 81y^4 

"Find the constants m and b in the linear function f(x) = mx + b so that f(2) = 10 and the straight line represented by f has slope -5."

Answers

f(x) = mx + b m = slope = -5 f(2) = 10 = (-5)(2) + b b = 10 + 10 = 20 Ans. m=-5, b = 20


Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form.

7, -11, and 2 + 6i

f(x) = x4 - 53x2 + 468x - 3080

f(x) = x4 - 9x3 - 42x2 + 234x - 3080

f(x) = x4 - 117x2 + 468x - 3080

f(x) = x4 - 9x3 + 42x2 - 234x + 3080

Answers

Final answer:

The polynomial function of minimum degree with real coefficients that has the zeros 7, -11, and 2 + 6i is obtained by also including the conjugate zero 2 - 6i and multiplying the corresponding factors. The proper polynomial is found after multiplying these factors and simplifying, but the given options do not match the correct polynomial. There may be an error in the given options.

Explanation:

To write a polynomial function of minimum degree with real coefficients given the zeros 7, -11, and 2 + 6i, we must remember that complex zeros in polynomials with real coefficients always come in conjugate pairs. Therefore, the conjugate of 2 + 6i, which is 2 - 6i, must also be a zero of the polynomial.

First, we write a factor for each zero: (x - 7), (x + 11), (x - (2 + 6i)), and (x - (2 - 6i)). Multiplying these factors together will give us the required polynomial:

(x - 7)(x + 11)((x - 2) - 6i)((x - 2) + 6i)

After multiplying and simplifying these factors, and combining like terms, the polynomial function in standard form with these zeros and with real coefficients is:

f(x) = x´ - 9x³ + 42x² - 154x + 3080

However, none of the given options match the correct polynomial derived from the provided zeros. It's possible there was a mistake in the multiplication or combining like terms, or there is an error in the options provided.

-(2.1c-4d). simplify the expression

Answers

= -2.1c + 4d
= -2 (1.05c + 2d)

Not sure what exactly you want
Simplifying -1(2.1c + -4d) = 0 (2.1c * -1 + -4d * -1) = 0 (-2.1c + 4d) = 0 Solving -2.1c + 4d = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-4d' to each side of the equation. -2.1c + 4d + -4d = 0 + -4d Combine like terms: 4d + -4d = 0 -2.1c + 0 = 0 + -4d -2.1c = 0 + -4d Remove the zero: -2.1c = -4d Divide each side by '-2.1'. c = 1.904761905d
 
Simplifying c = 1.904761905d  <-- this is the answer 

Joey had a summer job mowing lawns for 4 weeks. he made a total of $440. approximately how much did he make each week?

Answers

So each week Joey makes $110

4x=$440
  x= $440/4
  x= 110

:)

Answer: $110

Step-by-step explanation: $110 is the correct approximation. The easiest way is to divide the total by 4, since 25% represents  1 /4 .

Find the value of y in the sequence 2, 8, 3y +5,...
1. If the sequence was arithmetic
2. If the sequence was geometric

Answers

1. If the sequence is arithmetic to find the needed value we have to know the common difference which is 6.
Then we have the [tex]3y+ 5 = 14 y = 3[/tex]term = 14
2. If the sequence was geometric we had to know the common ratio = 8/2 = 4
So the answer is :[tex]3y + 5 = 32 3y = 27 y = 9[/tex]
Final answer:

In an arithmetic sequence, the common difference is constant. In a geometric sequence, the terms are obtained by multiplying the previous term by a constant ratio. In this case, the value of y in the sequence is 3 for an arithmetic sequence and 9 for a geometric sequence.

Explanation:

In an arithmetic sequence, the difference between consecutive terms is constant. To find the value of y in the sequence 2, 8, 3y + 5, we observe that the common difference is 8 - 2 = 6. Therefore, we can set up the equation 8 - 2 = 3y + 5 - 8 to solve for y. Simplifying, we get 6 = 3y - 3. Solving for y, we have y = 3.

In a geometric sequence, each term is obtained by multiplying the previous term by a constant ratio. To find the value of y in the sequence 2, 8, 3y + 5, we need to determine the common ratio. We can see that the ratio between 8 and 2 is 8/2 = 4. Therefore, we can set up the equation 8/2 = (3y + 5)/8 to solve for y. Simplifying, we get 4 = (3y + 5)/8. Multiplying both sides by 8, we have 32 = 3y + 5. Solving for y, we get y = 9.

salina was at a party and she noticed that the room had 54 balloons. for every red balloon there were 2 yellow balloons and 3 blue balloons. how many blue balloons were there?

Answers

This question is based on ratio, and so you can put the information about the balloons into a ratio:
1:2:3
Then we add them up to make 6, and then divide 54 by 6 to get 9, which is 1 in terms of the ratio. Now we can do 9 × 3 which is 27, which is the amount of blue balloons. Hope this helps!

Answer:

27 blue balloons

Step-by-step explanation:

Salina was at a party and she noticed that the room had 54 balloons.

For every red balloon there were 2 yellow and 3 blue balloons.

This is written in the form of ratio as = 1 : 2 : 3

First we calculate the number of red balloon.

54 / (1 + 2 + 3)

= 54 / 6 = 9 red balloons

For every red balloons there were 3 blue balloons.

Therefore, Blue balloons = 9 × 3 = 27 blue balloons

27 blue balloons were in the room.

When mrs. myles gave a test, the scores were normally distributed with a mean of 72 and a standard deviation of 8. this means that 95% of her students scored between which two scores?

Answers

the empirical rule states that in a normal distribution,
68% of data is within 1 std deviation of the mean
95%  of data is within 2 std deviation of the mean
99.7% of data is within 3 std deviation of the mean

In this case 95% of the cases would be within two std deviations of the mean 
    mean - 8         and    mean + 8
     72   - 8 = 64   and    72 + 8 = 80 

then 95% of the scores are between  64% and 80% on the test. 

Let f(x) = 8x3 - 28x + 61 and g(x) = 2x + 5. Find f(x) / g(x)

Answers

This is a division of polynomials

   8x^3              - 28x + 61    | 2x + 5
                                             -----------------------
- 8x^3 - 20x^2                       4x^2 - 10x + 11x
---------------------------------
0         - 20x^2 - 28x + 61
           +20x^2 +50x
           ------------------------
                 0    +22x  +61
                       -22x   -55
                      ----------------
                                    6

Then, the division is not exact and the result is 4x^2 - 10x + 11x with remainder 6, or:

4x^2 - 10x + 11x + [ 6/ ( 2x + 5) 



The result of the division is:

[tex]\[\boxed{4x^2 - 10x + 11 + \frac{6}{2x + 5}}\][/tex]

To find [tex]\( \frac{f(x)}{g(x)} \)[/tex] where [tex]\( f(x) = 8x^3 - 28x + 61 \)[/tex] and [tex]\( g(x) = 2x + 5 \)[/tex], we need to perform polynomial division.

Polynomial Division

1. Divide the leading term of the dividend by the leading term of the divisor:

 [tex]\[ \frac{8x^3}{2x} = 4x^2 \][/tex]

2. Multiply the entire divisor by this result and subtract from the dividend:

[tex]\[ 8x^3 - 28x + 61 - (4x^2 \cdot (2x + 5)) = 8x^3 - 28x + 61 - (8x^3 + 20x^2) \][/tex]

  Simplifying, we get:

[tex]\[ -20x^2 - 28x + 61 \][/tex]

3. Repeat the process with the new polynomial:

 [tex]\[ \frac{-20x^2}{2x} = -10x \][/tex]

4. Multiply the entire divisor by this result and subtract:

[tex]\[ -20x^2 - 28x + 61 - (-10x \cdot (2x + 5)) = -20x^2 - 28x + 61 - (-20x^2 - 50x) \][/tex]

  Simplifying, we get:

[tex]\[ 22x + 61 \][/tex]

5. Repeat the process again:

  [tex]\[ \frac{22x}{2x} = 11 \][/tex]

6. Multiply the entire divisor by this result and subtract:

[tex]\[ 22x + 61 - (11 \cdot (2x + 5)) = 22x + 61 - (22x + 55) \][/tex]

  Simplifying, we get:

 [tex]\[ 6 \][/tex]

Putting it all together, we have:

[tex]\[\frac{f(x)}{g(x)} = 4x^2 - 10x + 11 + \frac{6}{2x+5}\][/tex]

So, the result of the division is:

[tex]\[\boxed{4x^2 - 10x + 11 + \frac{6}{2x + 5}}\][/tex]

In the image, point A is the center of the circle. Which two line segments must be equal in length?

AH¯¯¯¯¯ and BC¯¯¯¯¯

HI¯¯¯¯ and BC¯¯¯¯¯

EF¯¯¯¯¯ and HI¯¯¯¯

EF¯¯¯¯¯ and AI¯¯¯¯

Answers

the answer

the true answer is  
EF¯¯¯¯¯ and HI¯¯¯¯
proof

the line EF passes on A, and so does the line HI. both line are called diameter of the circle, that means
EF = HI

Answer: [tex]\overline{EF}=\overline{HI}[/tex]

Step-by-step explanation:

Given: In the image, point A is the center of the circle.

Therefore every straight line segments passing from one to another point of circle through the center of circle A is the diameter of the circle.

Since, [tex]\overline{EF}[/tex] and  [tex]\overline{HI}[/tex] are the line segments passing from side to side of circle through the center of circle A is the diameter of the circle, then both are representing diameter of the given circle.

Since, all the diameter of a circle has a unique length .

Hence, the  line segments must be equal in length :

[tex]\overline{EF}=\overline{HI}[/tex]

Brandon has two 9 cookies. Natalie has 2 less than cookies than Brandon. How many cookies does Natalie have ?

Answers

Natalie has 7 cookies
natalie has 7 cookies.

Sarah is bringing 12 cupcakes to a party and Bob is bringing another 8 cupcakes to a party. There will be a total of 10 people at the party. How many cupcakes can each person have at the party?

Answers

Each person will receive 2 cupcakes.

If f(x) is an odd function and the graph of f(x) includes points in Quadrant IV, which statement about the graph of f(x) must be true?

a) It includes points in Quadrant I.
b) It includes points in Quadrant II.
c) It does not include points in Quadrant I.
d) It does not include points in Quadrant II.

Answers

Answer:

B) it includes points in quadrant ii

The graph of f(x) must include points in quadrants II and IV. Therefore, option B is the correct answer.

What is an odd function?

A function is such that f(−x) =−f (x) where the sign is reversed but the absolute value remains the same if the sign of the independent variable is reversed.

So,

The points in quadrants II are in IV.

The points in quadrants I are in III.

From the question, we understand that graph includes the points in IV.

This means that these points are also in quadrant II.

Hence, the graph of f(x) must include points in quadrants II and IV.

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the length of lisa's rectangular dining room is 12 feet. if the area of the room is at least 96 square feet, what is the smallest width the room could have?

Answers

the smallest with is 8
96 divided by 12 
8
Check work
12 times 8 = 96
ANSWER
8
since area is length x width and you know the area, 96 = 12x width. divide both sides by 12 and get the width is 8ft.

For all real numbers a and b, if ab=0, then a=0 or b=0. True or false?

Answers

True. For example, if 2 is a, and b was 0, then ab would automatically be 0. Both a and b can be 0 though, but at least one of them must be zero.
False I think because the variables are right next to each other which means it's multiplying and 0×0 equal 0

Write 4.4354 correct to 2 decimal places

Answers

4.4354 rounded to 2 decimal places is 4.44

Final answer:

The number 4.4354 correct to 2 decimal places is 4.44. The third digit, 5, indicates that the second decimal place is rounded up.

Explanation:

The question is asking to write the number 4.4354 correct to 2 decimal places. When you're rounding a number to a certain number of decimal places, you look at the digit in the next spot decimal place. In this case, for two decimal places, we look at the third decimal. If this number is 5 or above, we 'round up' the second decimal place by one digit. If it is less than 5, we leave it as is. The third digit in this case is 5, so we 'round up' meaning the number 4.4354 written correct to 2 decimal places is 4.44.

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What mathematical relationship exists between human population and time

Answers

A mathematical relationship that exist between human population and time is exponential 

Jace walked a total of 5/6 of a mile to school this week how far did he walk for 5 days

Answers

Final answer:

To find how far Jace walked to school each day, divide the total distance (5/6 of a mile) by the number of days (5), resulting in 1/6 of a mile walked each day.

Explanation:

The question involves calculating the distance Jace walked to school each day if he walked a total of 5/6 of a mile over 5 days. To find out how far he walked each day, we need to divide the total distance by the number of days.

Here's the step-by-step calculation:

Total distance walked: 5/6 of a mile.

Number of days: 5 days.

To find the distance walked each day, divide the total distance by the number of days: (5/6) ÷ 5 = 5/6 ÷ 1/5 = 5/30 = 1/6.

So, Jace walked 1/6 of a mile to school each day.

. Help I can't find anyone who knows the answer to this!


A scientist sets up an experiment to see how colored lights affect the height of plant growth. He grows one group of plants in full sunlight, one group under red lights, one group under blue lights, and one group under green lights. All the plants are exactly that same type and all receive an equal intensity of life. At the end of the experiment he measures all the plants.

What is the independent and dependent variable in this equation?

(A) the color of the light

(B) the height of the plant

(C) sunlight

(D) The intensity of the light

Answers

The answer is
Independent variable - the color of the light
Dependent variable - the height of the plant

An independent variable is not affected during the experiment. It is what experimenter controls.  The dependent variable is called dependent because it depends on the independent variables. Here, the height of the plant depends on the color of the light, therefore the height of the plant is dependent variable and the color of the light is the independent variable.

How to expand 5x(5 3x)?

Answers

75 always do parenthesis first so 5*3=15 so 15x5=75 because 5*5=25 so drop the 5 carry the 2 the do 5*1 which equal 5 then add 2 and that equal 75.

Which is bigger, 0.25 or 0.6?

Answers

0.6 is bigger. The value of the tens place is bigger.
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