Simplest form and explain why√800

Answers

Answer 1

Answer:

The simplest form of √800 is  4√5

Step-by-step explanation:

When finding the simplest form of a square root, we want to express the square root as a product of a whole number and a square root of a prime number. This is because the square root of a prime number cannot be simplified any further, while the square root of a composite number (a number that is not prime) can be further simplified.

In this case, we start by seeing that 800 can be factored as 20*40. To simplify the square root, we need to find the square root of each of these factors. The square root of 20 is not a whole number, but the square root of 40 is √40 i.e. 2√10, which can be further simplified as 2*2√5.

So, √800 = √(2040) = √20 * √40 = 2√10 = 2*2√5 = 4√5

As 4 is a whole number and √5 can't be simplified further, this is the simplest form of the square root of 800.

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Although part of your question is missing, you might be referring to this question "What is the simplest form of √ 800 and explain why?"

Answer 2
square root 400x2

Write the expression as a product where the root of one of the factors can be evaluated

square root 20^2 x 2

Write the expression in exponential form with the base of

square root 20^2. square root 2

The root of a product is equal to the product of the roots of each factor

simplified = 20 square root 2

Reduce the index of the radical and exponent with 2

Answer= 20 square root 2

Related Questions

Determine if the triangles in each pair are similar. If so, write a similarity statement and state whether AAA, SAS, Or SSS

Answers

the triangle are congruent by AAA

What is congruent by AAA?

It can also be stated as the AAA (angle-angle-angle) similarity theorem, which states that two triangles have identical corresponding angles if and only if their corresponding sides are proportionate.given, ABC and XYZ, are congruent according to the AAA rule by looking at the image provided below. According to the AAA congruence rule, two triangles are said to be congruent if two of their respective sides and angles are equal to those of two other triangles and their respective sides and angles, respectively.

In the given two triangles,

The ratio of the sides are similar

And hence the angles are similar.

Hence the triangle are congruent by AAA

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Determine what system, graph, colution and the slope and y intercept

4x = y - 6
4y = 3x -5

Answers

Answer:

System: A system of two equations that can be written in the form of y = mx + b where m is the slope and b is the y-intercept.

Graph: The graph of these two equations would be two straight lines in a coordinate plane.

Solution: The solution of the system would be the point where the two lines intersect on the coordinate plane, which represents the values of x and y that satisfy both equations.

Slope and y-intercept of 4x = y - 6:

Slope: 4 (m)

y-intercept: -6 (b)

Slope and y-intercept of 4y = 3x -5:

Slope: 3/4 (m)

y-intercept: -5/4 (b)

Note that the slope is the coefficient of x in the equation, and the y-intercept is the constant term in the equation. The solution can be found by equating the two equations and solving for x and y.

If q;2q+2;5q+3 form an arithmetic sequence, determine the value of q

Answers

The value of q in the arithmetic sequence is 1/2

What is arithmetic sequence?

An arithmetic sequence is a sequence where each term increases by adding/subtracting some constant k. This is in contrast to a geometric sequence where each term increases by dividing/multiplying some constant k. Example: a1 = 25. a(n) = a(n-1) + 5.

The common difference of arithmetic sequence is found by subtract subtracting the first from the second term. This means

d = 2q+2 - q = q+2

the sum of term is a(n) = a +( n-1)d

for third term it will be a(3) = q+ (3-1) q+2

a(3) = q +2(q+2)

the third term = 5q+ 3

5q+3 = q+ 2q+4 = 3q+4

5q+3 = 3q+4

collect like terms

5q-3q = 4-3

2q = 1

q = 1/2

therefore the value of q = 1/2

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Look at picture <3 ty btw

Answers

Answer:

5, -2

Step-by-step explanation:

Iris has 120 songs on her playlist. Each week, she downloads 4 new songs. How do I write an expression to show the total number of songs on Iris's playlist after w weeks

Answers

The expression to show the total number of songs on Iris's playlist after {w} weeks is → y = 120 + 4w.

What are algebraic expressions?

In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.

Given is that Iris has 120 songs on her playlist. Each week, she downloads 4 new songs.

We can write the expression to show the total number of songs on Iris's playlist after {w} weeks as -

y = 120 + 4w

Therefore, the expression to show the total number of songs on Iris's playlist after {w} weeks is → y = 120 + 4w.

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The cost of 3 pairs of sneakers at Store A is $243. The graph below compares the cost of sneakers at Store A with the cost at Store B.

Answers

Answer:

Step-by-step explanation: Hello! I can help you if you include the graph!

Luke invested $86,000 in an account paying an interest rate of 5 ⅛ % compounded
continuously. Alexander invested $86,000 in an account paying an interest rate of 5 ⅝ % compounded annually. After 8 years, how much more money would Alexander
have in his account than Luke, to the nearest dollar?

Answers

Therefore , the solution of the given problem of interest comes out to be

$4,962.93 money more made by Alexander.

What exactly is meant by interest?

Simple interest is calculated by dividing the principal by the borrowing cost, the remaining time, and other elements. The simple return formula in marketing is principal + interest plus hours. Utilizing this method is the simplest way to calculate interest. As a percentage of the principle sum is the most frequent way to calculate income. For instance, he will only pay his portion of the 100% cost if he borrows $100 from a friend and agrees to pay the loan back with 5% interest.. You have to pay interest on money you borrow, and you have to charge interest on money you lend.

Here,

Given :

Luke :

Principal amount = $86,000

and rate of interest =  5 ⅛ % or 41/8% or 5.125%

Alexander :

Principal amount = $86,000

rate of interest = 5 ⅝ % or 45/8% or 5.625%

To find the amount of money after time =8 years.

So ,

using compound formula :

=> A = P[tex](1 + r/n)^{nt}[/tex]

For luke = P=86000[tex](1 + 41/8*1)^{1*8}[/tex] = $42,276.33

For  Alexander =   P=86000[tex](1 + 45/8*1)^{1*8}[/tex] = $47,239.26

The amount made by Alexander by luke

=> 47,239.26 - 42,276.33 = 4,962.93

Therefore , the solution of the given problem of interest comes out to be

$4,962.93 money more made by Alexander.

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The angles t the right are complementary angles determine the measures of 1 and 2

Answers

Can you give a clearer picture ?

What is the area of the shaded region?

Answers

Answer:

30 x^2

Step-by-step explanation:

(5x)(7x)-5x^2=30x^2

Simplify the following:

5×7 x x - 5 x^2

5 x×7 x = 5 x^2×7:

5×7 x^2 - 5 x^2

5×7 = 35:

35 x^2 - 5 x^2

35 x^2 - 5 x^2 = 30 x^2:

Answer: 30 x^2

Write an equation in point-slope form of the line that passes through (-3, -2) and (2, -1).

Answers

y - (-1) = 1/5(x - 2)

341.12 to 1 decimal place i did it but I'm not sure 50 points pls full explanation heres pic​

Answers

The approximation of 341.12 to 1 decimal place is 341.1.

How to Approximate a Number to 1 Decimal Place?

To approximate 341.12 to 1 decimal place, you can follow these steps:

Multiply the number by 10 to move the decimal point one place to the right.Round the resulting number to the nearest whole number.Divide the rounded number by 10 to move the decimal point one place to the left.

For example, if you want to approximate the number 341.12 to 1 decimal place, follow these steps:

341.12 * 10 = 3411.2

Round 3411.2 to the nearest whole number, which is 3411.

3411 / 10 = 341.1

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Answer:

341.1

Step-by-step explanation:

When you round to the first decimal place, or to the nearest tenth, the number in the hundredth point place will determine whether you round up or down. If the hundredths digit is a number between 5 and 9, round up to the nearest whole number. If it's a number between 0 and 4, you would "round down" by keeping the tenths place the same.

341.12

The number in the hundredths place is 2, which means that we would round down the first decimal place by keeping it the same:

341.1

Need REAL ANSWER WITH SOLUTION so i can study it please help me math experts.

Answers

3(2-1/2)^2(1+1/2^2)=3(3/2)^2(1+1/4)= 3(9/4)(5/4)=3(9)(5)/16

Solution

135/16

Option A


Brainly would be nice

find the perimeter of abcd

Answers

The length of a form represents its perimeter. The provided parallelogram's perimeter will therefore be 38 units.

How do you find the perimeter?

Quadrilateral's perimeter.The measurement of a shape's perimeter is its length.It takes adding the lengths of all four sides to determine a rectangle's or square's perimeter.

Knowing that the quadrilateral's perimeter equals the sum of its sides (AB + BC + CD + DA), we can write it as ABCD.

The quadrilateral's perimeter is equal to the sum of its four side lengths.

From the accompanying photo,

The supplied parallelogram's perimeter is equal to

AB + BC + CD + DA.= 9 + 10 + 9 + 10

= 38 units

ABCD's circumference is 38 units.

The provided parallelogram's perimeter will therefore be 38 units.

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Please help me immediately I need this FAST

Answers

Step-by-step explanation:

Move the decimal point one place to the right

Will give brainliest!

Answers

Answer:

1. x = 10.46

2. y = 5.2

Step-by-step explanation:

1.

[tex]cos17^{0} =\frac{10}{x}[/tex]

[tex]x=\frac{10}{cos17^{0} }[/tex]

[tex]x=10.46[/tex]

2.

Angle F = 180 - 42 - 48 = 90° (is a right triangle)

[tex]sin48^{0} =\frac{y}{7}[/tex]

[tex]y=7sin48^{0}[/tex]

[tex]y=5.2[/tex]

Hope this helps

please help me now i need help

Answers

The equation that describes the diagram could be; 5 + 9 = 14

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

A mathematical equation is a statement with two equal sides and an equal sign in between. An equation is, for instance, 4 + 6 = 10. Both 4 + 6 and 10 can be seen on the left and right sides of the equal sign, respectively.

Since Adding a negative number is the same as subtracting a positive number just as subtracting a negative number is the same as adding a positive.

The equation becomes as

5 + 9 = 14

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Scores on the MCAT exam are normally distributed with a mean
and standard deviation
. Use the 68-95-99.7% Rule to determine between which two values approximately 95% of MCAT scores fall?

Answers

95% of the scores fall within (mean - 2 * standard deviation) and (mean + 2 * standard deviation)

What is an empirical rule?

The empirical rule (68-95-99.7% Rule) states that for a normal distribution, 68% of the values are within one standard deviation from the mean, 95% of the values are within two standard deviation from the mean and 99.7% of the values are within three standard deviation from the mean

95% of the values are within two standard deviation from the mean = mean ± 2 * standard deviation = (mean - 2 * standard deviation, mean + 2 * standard deviation)

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Your goal is to exercise for 15 hours
this month. You exercise for 3 1/2 hours
the first week and 3 3/4 hours the next week. How many more hours do you
need to exercise to reach your goal?

Answers

Answer: You need to exercise for 7 3/4 more hours

You need to do more exercise for  [tex]7\frac{3}{4}[/tex] hours.

What are words problems?

A word problem is a few sentences describing a 'real-life' scenario where a problem needs to be solved by way of a mathematical calculation.

Given that, Your goal is to exercise for 15 hours this month. You exercise for [tex]3\frac{1}{2}[/tex] hours the first week and [tex]3\frac{3}{4}[/tex] hours the next week.

To find how much exercise is left, we will add both the hours and subtract it from 15 hours,

Therefore,

Exercise done = [tex]3\frac{1}{2} + 3\frac{3}{4}[/tex]

= 7/2 + 15/4

= (14 + 15) / 4

= 29/4

Exercise left = 15 - 29/4

= 31/4

= [tex]7\frac{3}{4}[/tex]

Hence, you need to do more exercise for  [tex]7\frac{3}{4}[/tex] hours.

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rewrite 24/7 as a mixed number

Answers

What is a fraction?

A fraction is a fragment of a whole number, used to define parts of a whole. The whole can be a whole object, or many different objects. The number at the top of the line is called the numerator, whereas the bottom is called the denominator.

To solve this, we would first need to see how many times 7 can fit into 24.

7 + 7 + 7 = 21.

We can see that is fits 3 times into 24, but what about the remaining 3? We can take that 3 and make it into a fraction of 7, making it [tex]\frac{3}{7}[/tex].

Now, putting the 3 and the 3/7 together, we get  [tex]3\frac{3}{7}[/tex].

check my work pls im failing math and this paper needs to be right

Answers

Answer:

Step-by-step explanation:

1.

[tex]\displaystyle\\\frac{1}{5}x+15=-5 \\\\\frac{1}{5}x+15-15=-5-15\\\\\frac{1}{5}x=-20[/tex]

Multiply both parts of the equation by 5:

[tex]x=-100[/tex]

2.

[tex]4-3x=5\\\\4-3x-4=5-4\\\\-3x=1[/tex]

Divide both parts of the equation by (-3):

[tex]\displaystyle\\x=-\frac{1}{3}[/tex]

3.

[tex](3x)^0+(8x+70)^0=180^0\\\\(3x)^0+(8x)^0+70^0=180^0\\\\(11x)^0+70^0-70^0=180^0-70^0\\\\(11x)^0=110^0[/tex]

Divide both parts of the equation by 11:

[tex]x=10[/tex]

[tex]m\angle TRS=(8(10)+70)^0\\\\m\angle TRS=(80+70)^0\\\\m\angle TRS=150^0[/tex]

4.

[tex]\$ 25(5)+\$250=\\\\\$125+\$250=\\\\\$375[/tex]

5.

[tex]\displaystyle\\\frac{x}{15}=\frac{30}{18}[/tex]

Multiply both parts of the equation by 15:

[tex]\displaystyle\\x=\frac{30(15)}{18} \\\\x=\frac{450}{18}\\\\x=25[/tex]

Jeremy has a gift card to use to buy comic books. Each comic book costs $5.25. The function f(x)=−5.25x+80 f ( x ) = - 5.25 x + 80 represents the remaining value of the gift card, in dollars, after purchasing x x books. Based on the function, determine All the true statements.

Answers

Jeremy needs an amount of $7.75 cash to buy 3 comic books.

What is the function?

The function is defined as a mathematical expression that defines a relationship between one variable and another variable.

The function f(x) = 5.25x − 8 represents the amount of cash required to purchase x comic books after using his gift card.

To determine the amount of cash Jeremy needs to buy 3 comic books, we can substitute 3 for x in the function f(x) = 5.25x − 8.

So, f(3) = 5.25(3) − 8 = 15.75 − 8 = 7.75

Therefore, he needs $7.75 cash to buy 3 comic books.

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The question seems to be incomplete the correct question would be:

Jeremy has an $8 gift card to use to buy comic books. Each comic book costs $5.25. The function f(x) = 5.25x − 8 represents the amount of cash required to purchase x comic books after using his gift card. How much cash does Jeremy need to buy 3 comic books?

5.1 mathematics for business

Answers

The inverse function would be x = (y + 3) / -3 and the domain of the inverse function would be (-infinity, -1/3].

What is the inverse function?

An inverse function is a function that "undoes" another function. The inverse function, denoted as f^-1, reverses the direction of the original function, so that if the original function maps x to y, the inverse function maps y to x.

To find the inverse function of a given function, you can switch the x and y variables and solve for y. The inverse function will also have a different domain and range than the original function.

For example, for the function y = 1 - 3x, where x belongs to the interval [-2, 2],

First, we need to switch the x and y variables to get x = 1 - 3y.

Now we need to solve for y,

y = (x + 3) / -3

So the inverse function of y = 1 - 3x, where x belongs to the interval [-2, 2], is

x = (y + 3) / -3

The domain of the original function is [-2, 2] and the range is (-infinity, -1/3], whereas the domain of the inverse function is (-infinity, -1/3] and the range is [-2, 2].

Hence, The inverse function would be x = (y + 3) / -3 and the domain of the inverse function would be (-infinity, -1/3].

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(Look at picture) ty btw :)!!!!! <3

Answers

Answer:

the answer is in the picture

Solve for a. 5(a – b) = 3(a + c)

Answers

Answer:

a=3c/2+5b/2

Step-by-step explanation:

First open parenthesis

5a-5b=3a+3c

Than subtract A's and add b and c's

2a=3c+5b

Divide by two

a=3c/2+5b/2

for her average speed in km/h.
11 A train travels from Newcastle to Edinburgh at an average speed of 68 mph, correct
to the nearest whole number. The journey is 80 miles, to the nearest 10 miles.
Bryn says that the journey will definitely take less than an hour and a quarter.
a Show working to explain why Bryn is wrong.
b Calculate the shortest possible time it could take to complete the journey to the
nearest minute.

Answers

Bryn is wrong as he says that the journey will definitely take less than an hour and a quarter

time = 1.17 hours = 1 hour 42 minutes

What is speed?

The definition of speed is. a measurement of how quickly an object's location changes in any direction. Speed is defined as the ratio of distance to the amount of time it took to cover that distance.

Average speed= distance / time

time= distance /Average speed = 80/68  hours

time = 1.17 hours = 1 hour 42 minutes

So, Bryn is wrong as he says that the journey will definitely take less than an hour and a quarter.

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NEED HELP ASAP PLS AND THX Picture is attached

Answers

We do not obtain a triangle, but rather a straight line with a single side. Contrary to the triangle, which is a closed figure with two sides, the straight line is not closed.

Do Collinear points have to be straight?

Two points A and B are here collinear. Points that are parallel to or within a single line are referred to as collinear points. In Euclidean geometry, two or more points are said to be collinear if they are situated on a line that is either close to or far from another.

As opposed to non-collinear points, which do not lie on a single straight line, collinear points are two or more points that are located along a straight line. Collinear points are three or more points on the same line. A, B, and C are on the line m, for instance. The two are parallel. Two lines will coincide if their slopes are the same and they cross at the same location.

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1/8 of a clockwise rotation is how many degrees?

Answers

Answer: 45 degrees

Step-by-step explanation:

1 clockwise rotation = 360 degrees

1/8 a clockwise rotation = 360/8 = 45 degrees

It takes Alexa 40 minutes to get to school (14.4 km). What is her speed in km/min?

Answers

Answer:

0.36km/

Step-by-step explanation:

speed= distance/time

14.4km/40min

= 0.36km/min

You roll a six-sided die.
Event A: Roll an odd number.
Event B: Roll a number less than 5.
Find P(A or B). Express you answer as a fraction in simplest form.

Answers

P(A or B) =

Formula: P(AUB)=P(A)+P(B)-P(A n B)

We roll six-sided die.

Then sample space ={1,2,3,4,5,6}

And

Event A: Roll an odd number.

Odd numbers are {1,3,5}

Event B: Roll a number less than 5

Number less than 5 are {1,2,3,4}

So, Probability P(A)=

Probability P(B)=

Now, the odd number which is less than 5 are {1,3}

So, P(A n B)=

Since P(AUB)=P(A)+P(B)-P(A n B)

Therefore, P(A or B) = 1/6

Amal, Brian, and Cami help clean Ms. Rivers’s house is she gives and $42.00 to share equally. Cami decides to save half her money and spend the other half. How much does Cami have to spend?

Answers

Answer:

Each of them will get 42/3 = $14.00

Cami saves half of her money which is 14/2 = $7.00

Cami has 14 - 7 = $7.00 to spend.

Cami has 7$ to spend
42/3=14
14/2=7
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