Write the following products using exponents to express the results in a simpler form. (3 inches)(5 inches) and (5 feet)(2 feet)?

Answers

Answer 1

Answers:

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1)   (3 inches)(5 inches) = (3 in)(5 in) = 3 * 5 * in * in = 15 * in * in   =  "  15 in² " .

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2)  (5 feet)(2 feet) = (5 ft)(2ft) = 5 * 2 * ft * ft = 10 * ft * ft   =  " 10 ft²  " .

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Answer 2

Final answer:

Exponents are used for repeated multiplication of the same number, hence, (3 inches)(5 inches) and (5 feet)(2 feet) cannot be simplified using exponents since they involve different numbers. Exponents and conversion factors are distinct mathematical tools, with the latter used for converting units of measure.

Explanation:

The question addresses using exponents to express products of the same units in a simpler form. The product of (3 inches)(5 inches) suggests multiplying these two measurements, however, when writing this product using exponents, we should consider that both are units of length, and thus their product will result in a unit of area, which is square inches (in2). We cannot simplify this expression further using exponents as they are not repeated multiplication of the same number.

On the other hand, for the product (5 feet)(2 feet), we again get an area, but this time in square feet (ft2). Still, there's no need for using exponents in this expression because we are not dealing with repeated multiplication of the same number.

It is important to note that exponents are used to represent repeated multiplication of the same number. For example, if we had (5 inches)(5 inches), we could write this as 5 inches squared (5 in)2, because it's 5 inches multiplied by itself. On the contrary, when multiplying different numbers, exponents don't apply.

When converting between different units of measure, as in converting feet to inches, we use conversion factors. For instance, 1 foot equals 12 inches, so by multiplying feet by 12, we can convert it to inches. Similarly, inches can be converted to feet by dividing by 12.


Related Questions

Round each decimal number to the nearest hundred 8.314

Answers

8.31 because it goes after the decimal tenth then hundreth the for is in the thousandths


The answer is 8.3 Hope this helps

To enter a local fair, one must pay an entrance fee and pay for the number of ride tickets he/she wants. Admission to the fair is given by the equation f(x) = .50x + 10, where x represents the number of tickets purchased and f(x) represents the total price. How much does each ride ticket cost?


A) $10
B) $0.50
C) $10.50
D) Not enough information.

Answers

It is B because they show the X variable next to the .50 cents meaning that this can change depending on how many the rider buys in this Equation.

Answer:

no the answer is a $10. i took the usatestprep :)

Step-by-step explanation:


Round 8,088 to the nearest thousand

Answers

8,088 rounds to 8,000 to the nearest thousand.
it is 8,000 because it is isn't above 8,500

What is the solution set of {x|x<-5} n {x|x>5}?

Answers

[tex]\{x|x < -5\}\ \cap\ \{x|x > 5\}=\O[/tex]

Look at the picture.

The common part does not exist.

When asked to factor the trinomial 4x^2+20x+25, a student gives the answer (2x-5)(2x-5). What is one thing wrong with this answer?

Answers

when factored out you would get 4x^2-20x+25 you don’t want a -20x you want a +20x so you would want (2x+5)(2x+5) instead

The minus signs should be plus signs

can y’all help please . i don’t know how to do this .

Answers

I'll explain how, if you want the answers to fact check, ask in the comments.

If the first number is in the ones place, and there's no notation, it's 10^0 (number * 1), if the first number is in the tens place, it's 10^1 of the number if it was pushed back into the ones place. If the first number is in the hundreds place, it's 10^2 if it was...

You might get the idea, same applies to negative powers of 10:

If the first number is in the tenths place, it's 10^-1, if the beginning of the number was moved forwards into the ones place, and so on.

I hope I helped you, please ask questions if you need them, I might have delivered a confusing explanation.
for scientific notation you have to move your decimal to where you number value is between 1-10

so for example on number one you are going to have to move your decimal to the right 2 times to get 2.9 (a value between 1-10)

now you have to write it in scientific notation-ask yourself two questions: how many times did you move your decimal? we moved it 2 times in this problem. and was it to the right or to the left? if you moved it to the right (which is the direction we moved it in this problem) its going to be a negative exponent so our answer would be 2.9x10^-2

same thing with number 2 starting with 64,000 to get our value to a number between 1-10 we need to move our imaginary decimal at the end of our value 4 times to make 6.4

two questions:
how many times did we move it? 4
did we move it to the left or to the right? to the left (so our exponent is positive)

making our answer 6.4x10^4

if you want me to check your answers after you have finished let me know:)

how can we determine a slope?

Answers

slope formula: y2-y1/x2-x1

Suppose f(x) = x2 and g(x) = 2x − 3. What is the value of g(4) + f(−3)?

Answers

In order to find the value of g(4)+f(-3), we must substitute those values into the functions first.

Substitute -3 into f(x).

f(x)=x²

f(-3)=(-3)²

f(-3)=9

Substitute 4 into g(x).

g(x)=2x-3

g(4)=2(4)-3

Using the rules of PEMDAS, multiply first then subtract.

g(4)=8-3

g(4)=5

Therefore, if f(-3) is 9 and g(4) is 5, we must add the two values together.

5+9=14

The value of g(4)+f(-3) is 14.

The value obtained for the given equation g(4) + f(−3) will be equal to 14.

What is an equation?

Mathematical expressions with two algebraic symbols on either side of the equal (=) sign are called equations.

This relationship is illustrated by the left and right expressions being equal. The left-hand side equals the right-hand side is a basic, straightforward equation.

As per the given equations in the question,

f(x) = x²

So, f(-3) = (-3)²

f(-3) = 9

g(x) =  2x - 3

g(4) = 2(4) - 3

= 8 - 3

g(4) = 5

So,

g(4) + f(−3)

5 + 9 = 14

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find the inverse function f -1 (x) for the given function f (x) plz don't write a random answer to get points this is the fourth time I have posted this I need actual help

Answers

I've attached the answer to the first question with steps as well as notes on inverse functions.

can you solve the equation 2/3(4x-5)=8 by using the division property of equality? explain

Answers

Answer:

Yes, you can use the division property of equality in this equation.

Step-by-step explanation:

This is because we have a variable (x) that is being MULTIPLIED (by 4). The opposite of multiplication is division. Since this is an equation that needs properties of equality to solve the variable, division would be a property of equality being used.

Solve for u: 7/5u+2=1/2.

Answers

Solve for u by cross multiplying.

Answer: u = [tex]-\frac{15}{14}[/tex]

In Decimal form the answer is: −1.07142857…


Evaluate the square root

Answers

[tex]\sqrt{a}=b\iff b^2=a\ for\ a\geq0\ and\ b\geq0\\\\\sqrt{\dfrac{1}{144}}=\dfrac{\sqrt1}{\sqrt{144}}=\dfrac{1}{12}\\\\\\\sqrt1=1\ because\ 1^2=1\\\\\sqrt{144}=12\ because\ 12^2=144[/tex]

Write an equation for each line in slope-intercept form.

Answers

Answer:

Slope Intercept Form is y = mx +b

1. y = x + 8

2. y = 1/2x + -5

3. y = x + 7


How to find the distance between these points?

Answers

2/5 (rise/run) is the distance. You move up by 2 and 5 to the right

You can use the distance formula it is: the square root of (x2-x1)^2 + (y2-y1)^2


(1+4)^2 + (8-6)^2

(5)^2 + (2)^2

25+4

29

Take the square root of 29 which is about 5.4

The distance is about 5.4

The FunWorld Obstacle Course is scored by awarding 10 points for every activity that is passed and by deducting 5 points for every activity that is failed. Bob passed 4 activities and failed 3 activities. Tom passed 7 activities and failed 4 activities. Who got a higher score?

Answers

Bob passed 4 activities, so 4 x 10 = 40 points. He failed 3, so 3 x 5 = 15

Total points = 40-15 = 25 points.


Tom passed 7, so 7 x 10 = 70 points. He failed 4, so 4 x 5  = 20

Total points = 70-20 = 50 points.



Tom got a higher score.

A new sidewalk will be 4 feet wide 200 feet long and filled to a depth of 3 inches (0.25 foot) with concrete. How many cubic yards of concrete are needed?

Answers

The number of cubic yards of concrete that are needed to fill the sidewalk is 7.40741 cubic yards

Volume of a cuboidv = lwh

where

l = length

w = width

h = height

Therefore,

l = 200 ft

w = 4 feet

h = 0.25 feet

v = 200 × 4 × 0.25

v = 200 ft³

In yards the concrete will fill the following volume:

7.40741 yard³

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Final answer:

To find the volume of concrete needed for the sidewalk, multiply the length, width, and depth of the sidewalk. Convert the volume from cubic feet to cubic yards by dividing by 27.

Explanation:

To find the volume of concrete needed, we need to multiply the length, width, and depth of the sidewalk. The length is given as 200 feet, the width is 4 feet, and the depth is 0.25 foot. Multiplying these values together gives us the volume in cubic feet. To convert this to cubic yards, we divide the volume in cubic feet by 27 (since there are 27 cubic feet in a cubic yard).

The volume of the sidewalk in cubic feet is 4 ft * 200 ft * 0.25 ft = 200 cubic feet. Dividing this by 27, we get the volume in cubic yards: 200 cubic feet / 27 = 7.41 cubic yards. Therefore, approximately 7.41 cubic yards of concrete are needed for the sidewalk.

Approximate 221 ( square root) to the nearest hundredths.

A. 14.28
B. 15.52
C. 14.86
D. 12.89

Answers

the answer would be C

a store is selling a hat at 55 percent markup. the store originally paid $16 for the hat. what is the retail price for the hat

Answers

$24.80 is the new retail price for the hat


Answer:

$24.8

Step-by-step explanation:

Hello, i think I can help you with  this,you can easily solve this by using a rule of three

Step 1

define

the retail price for the hat will be the originally paid value plus 55%, it is equal to 155% of the original price

if

$16 ⇒100%

$x? ⇒155%

the relation is

[tex]\frac{16}{100}=\frac{x}{155}\\solve\ for\ x \\\frac{155*16}{100}=x\\x=\frac{2480}{100}\\ x=24.8[/tex]

the retail price is $24.8

Have  great day.

Write the equation of the line parallel to the given line and passing through the given point. y=−2x−1 through (4,3)

Answers

if the lines are parallel the slopes are the same so the slope is -2

the equation for a line given a point and a slope is

y-y1 = m(x-x1)

y-3= -2(x-4)

y-3 = -2x+8

y = -2x+11

Hilary Hu borrowed $4,500.00 to pay for a viola. She agreed to pay back $5,200.00 in 219 days. What exact interest rate was she paying? (Round your answer to the nearest tenth of a percent.)

27.1%


18.5%


17.3%


25.9%

Answers

answer : 25.9%

Hilary Hu borrowed $4,500.00 to pay for a viola. She agreed to pay back $5,200.00 in 219 days.

Interest to be paid = 5200 - 4500 = $700

To find the rate we use simple  interest formula

[tex]I =P*\frac{r}{100}*\frac{n}{360}[/tex]

I is the interest

P is the principal amount = 4500

r is the rate of interest

n is the number of days= 219

[tex]700 =4500*\frac{r}{100}*\frac{219}{365}[/tex]

[tex]700 = \frac{985500r}{36500}[/tex]

Multiply by 36500 on both sides

25550000= 985500 r

Divide by  985500

r = 25.92592

so interest rate is approximately = 25. 9%

Adam invests $6139 in a retirement account with a fixed annual interest rate compounded continuously. After 17 years the balance reaches $8,624.97. What is the interest rate of the account? Help! Working out required.

Answers

Answer:

2.38% annual interest rate

Step-by-step explanation:

We have the initial value that is $6139 and the final value that is $8,624.97 the initial value is a 100% and the final value is 100%+17x%  where x is the annual interest rate, then:

[tex]\dfrac{8624,97\cdot 100\%}{6139\cdot (100\%+17x\%)}=1[/tex]

[tex]\dfrac{8624,97\cdot 100\%}{6139}=100\%+17x\%[/tex]

[tex]\dfrac{862497\%}{6139}-100\%=17x\%[/tex]

[tex]140.49\%-100\%=17x\%[/tex]

[tex]40.49\%=17x\%[/tex]

[tex]\dfrac{40.49\%}{17}=x\%[/tex]

[tex]2.38\%=x\%[/tex]

Final answer:

To find the interest rate of the account, you can use the formula for continuous compound interest, which is A = Pe^(rt). By plugging in the given values, you can solve for r and find that the interest rate is approximately 1.77%.

Explanation:

To find the interest rate of the account, we can use the formula for continuous compound interest:

A = Pe^(rt)

Where:

A = final balanceP = initial investmente = Euler's numberr = interest ratet = time in years

Given that Adam invested $6139 and the balance after 17 years is $8624.97, we can plug in these values and solve for r:

8624.97 = 6139 * e^(17r)

Divide both sides of the equation by 6139:

e^(17r) = 8624.97 / 6139

Now, take the natural logarithm (ln) of both sides:

ln(e^(17r)) = ln(8624.97 / 6139)

Use the logarithmic property ln(e^x) = x to simplify the equation:

17r = ln(8624.97 / 6139)

Finally, divide both sides of the equation by 17 to solve for r:

r = ln(8624.97 / 6139) / 17

Using a calculator, we find that the interest rate of the account is approximately 0.0177, or 1.77%.

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Ryo accidentally Ordered 240% as many eggs as his restraint needs what fraction of the number of eggs his restraint needs did ryo order

Answers

Let the number of eggs Ryo actually needs be represented by the letter "x".

Then the number of eggs Ryo ordered was [tex]240\%[/tex] of that amount. This can be represented as:

[tex]240\%\times x=\frac{240}{100}x= \frac{12}{5}x[/tex]

Now, to find what fraction of the number of eggs Ryo actually needs in his restaurant, all that we need to do is divide the actual number of eggs, which is "x", by the amount of eggs Ryo actually accidentally ordered which is [tex]\frac{12}{5}x[/tex].

Thus, we get:

Fraction=[tex]\frac{x}{\frac{12}{5}x}= \frac{5}{12}[/tex]

Thus, [tex]\frac{5}{12}[/tex] is the required answer.

Find the value of r so that the line through (1,4) and (-5,r) has a slope of 1/3

Answers

r would be 2
the easiest way to solve this is by drawing your own graph, plotting the points and working it out from there:)

Final answer:

To determine the value of r for the line to have a slope of 1/3, the slope formula is applied and solved to find that r must be 2.

Explanation:

To find the value of r so that the line through the points (1,4) and (-5,r) has a slope of 1/3, we use the formula for the slope (m) of a line given two points (x1, y1) and (x2, y2): m = (y2 - y1) / (x2 - x1).

Step 1: Insert the known values into the slope formula

Slope (m) = 1/3, x1 = 1, y1 = 4, x2 = -5, y2 = r

1/3 = (r - 4) / (-5 - 1)

Step 2: Solve for r

1/3 = (r - 4) / (-6)
-2 = r - 4
r = 2

Therefore, the value of r is 2 for the line to have a slope of 1/3.

Tell whether the angles are adjacent or vertical. Then find the value of X

Answers

for #5: you put the equations equal to each other then combine like terms & you’ll get x=41 & the angles are vertical.

for #6: you add the equations together to equal 180 bc that is the measure of a straight line. once you do so, you combine like terms & x should equal 14. & the angles are adjacent.

py+7=6y+qp, y, plus, 7, equals, 6, y, plus, q y=y=y, equals

Answers

Py +7 = 6y + qp

Solve the equation for y

To solve the equation for y we need to get y alone

Py +7 = 6y + qp

Subtract 6y from both sides

Py - 6y +7 = + qp

Subtract 7 from both sides

Py - 6y = + qp - 7

Now factor out y

(P - 6)y = qp - 7

Divide by P - 6 from both sides

[tex]y =\frac{qp - 7}{(P - 6)}[/tex]

Answer:

y=  p−6 /q−7

Step-by-step explanation:

The strategy

Move all y-terms on one side of the equation, and move all constant terms to the other side of the equation.

Using the distributive property, group like terms together on both sides of the equation.

To isolate y, divide both sides by the coefficient of y.

Solving for y

py+7 = 6y+q

py+7 -6y = q

 py-6y= q - 7

y(p-6) = q-7

what is the common denominator for 30, 24, 18, and 12?

Answers

I believe it is 360 sorry if i am wrong i truely sorry


Select all that apply which of the following are equivalent 3 oranges for a dollar 6 oranges for 2 dollars 3 dollars for 1 orange and 9 oranges for 3 dollars

Answers

Answer:

3 oranges for $1, 6 oranges for $2,and 9 oranges for $3

Step-by-step explanation:

Because the ratio amount of oranges to the amount of money is 3:1 for all three

The required equivalent expressions are 3 oranges for a dollar,  6 oranges for 2 dollars,  and 9 oranges for 3 dollars.

What is proportionality?

proportionality is defined as between two or more sets of values, and how these values are related to each other in the sense are they directly proportional or inversely proportional to each other.

Here,
Let the number of oranges be x and the cost for x oranges be y,

1. 3 oranges for a dollar  2. 6 oranges for 2 dollars  3. 3 dollars for 1 orange and 4.  9 oranges for 3 dollars

For the equivalent relation, of the given expression,
x₁ / y₁ = x₂ / y₂ = x₃ / y₃ = x₄ / y₄
3 / 1 = 6 / 2 = 1 / 3 = 9 / 3
3 / 1 = 3/1 ≠ 1 / 3 ≠ 3 / 1

Thus, the required equivalent expressions are 3 oranges for a dollar,  6 oranges for 2 dollars,  and 9 oranges for 3 dollars.

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Find the missing number to complete this division fact. 63 ÷ ∎ = 9

Answers

Hello AskMeBosh

The missing number in this equation is 7

This is because 9 * 7 is 63

So your answer would be 7

:)

63/7=9 the missing number is 7

Suppose the function, g(x), is used to model the height ,y, of a soccer ball, x seconds after the ball is kicked up in the air. The ball starts on the ground and travels in a parabolic shape as it reaches a maximum height and then returns to the ground. Suppose further that the ball reaches its maximum height of 15 feet in 2.2 seconds. What would be an appropriate domain for g(x)?

Answers

the ball reaches its maximum height of 15 feet in 2.2 seconds

The ball starts on the ground and travels in a parabolic shape as it reaches a maximum height and then returns to the ground

The ball starts on the ground at 0 seconds so the ball starts at x=0 seconds

the ball reaches its maximum height of 15 feet in 2.2 seconds

So it takes 2.2 second to reach the maximum height

It will take another 2.2 seconds to reach the ground

The time the ball in the air is 2.2 + 2.2 = 4.4

The ball will reach the ground in 4.4 seconds

So the domain for g(x) is {0,4.4}


Answer:

0 ≤ x ≤ 4.4

Step-by-step explanation:

recipe for banana oat muffins call for 3/4cups of old fashion oats you are making 1/3of recipe how many cups of oats should you use

Answers

Use 1/4 cups of rolled oats becuase 1/3*3/4 = 1/4

The full recipe for the banana oat muffins requires 3/4 (or 0.75) cups of old fashion oats. But you are planning to make only 1/3 of the recipe.

To find the amount of oats required for 1/3 of the recipe, we need to multiply the amount required for the full recipe (3/4 cups) by the proportion of the recipe you are making (1/3).

Let's start with the full amount, which is 3/4 cups of oats. Then, we are going to use only 1/3 of this amount. So, we multiply 3/4 by 1/3.

The result of this calculation is 0.25.

So, you will need 0.25 cups of old fashion oats to make 1/3 of the banana oat muffins recipe.

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