Ariel goes running for 5/6 of an hour.The next day,she runs for 3/4 as much time. Does she spend more or less time running the second day? Draw a diagram or make a model to represent the problem.

Answers

Answer 1

Answer: less because 3 fourths is more than 5 sixths

Answer 2

Answer:

Less

Step-by-step explanation:

Less time because you first find the common denominator which is twelve for 3/4 it would be 9/12 and for 5/6 it would be 10/12 so 5/6 which is greater that 3/4.

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18÷2-4^2+9=???? Trying to answer this problem is giving me a headache
HELP ME FOR NUMBER 1 THROUGH 11

Complete the square x^2+x+8x

Answers

Answer:

$x^2+x+8x=(x+(9)/(2) )^2-(81)/(4)$

Step-by-step explanation:

The given expression is $x^2+x+8x$

To complete the square, we first simplify the function to get:

$x^2+9x$

Add and subtract the square of half the coefficient of x

$x^2+9x+((9)/(2) )^2-((9)/(2) )^2$

The first three term is a perfect square $(x+(9)/(2) )^2-(81)/(4)$

I have 4 math questions that I don't understand. Please help!?

b^-3=1/216 b=?
743.8 × 103=?
36 ÷ 10–3=?
What is (2.1 × 103) × (4 × 10–7)?

Answers

-- A negative exponent means the number is in the denominator.
    b⁻³ means 1/b³ .
   So 1/b³ = 1/216 . You can do it now.

-- If that number is " 10³ ", it means 1,000 .
   If that number is " 103 " and you can't remember
   how to do multiplication with a pencil, then you'll
   have to use your calculator.

-- Again ... 10⁻³ means 1/10³ or 1/1000 .
   So the problem is really 36 divided by 1/1000 .
   Be very careful. That means 36 x 1000 .

-- To multiply powers that have the same base,
   you add the exponents.

   Example: 10⁴ times 10⁵ = 10⁹ .

   This question can be rearranged as (2.1 x 4) x (10³ x 10⁻⁷)

   (10³) times (10⁻⁷)   is 10⁻⁴ .

Is 500 seconds bigger than 8 minutes

Answers

Well, lets start out small.
If there are 60 seconds in 1 minute... then just multiply 60 by the totaly number of minutes to get how many seconds you need.
Sooooo
60(minutes)=total number of seconds
Therefore, 60(8)=480
Now, just see which number is greater...
480<500
~~~~~~~
So, in 8 minutes there are 480 seconds. Meaning, 500 seconds IS ,yes indeed, greater than 8 minutes.
~~~~~~~
-Hope this helped :)

Answer: yes

Step-by-step explanation:

there are 430 seconds in 8 minutes and 500 is bigger by 60 seconds

You bought a car for $20,000. You have owned it for one year, and it is now worth $16,000. What is the percent decrease in your car's value?

Answers

I think it'd be 20%.. I could be wrong.

How is shape important when measuring a figure?

Answers

because you have to have a shape to even measure something a figure is a shape therefore a shape is important when measuring a figure

while shopping, you purchase 4 pairs of jeans, 6 shirts, and 3 pairs of shoes. How many different outfits will you be able to make using one pair of jeans, one shirt, and one pair of shoes?

Answers

One way is to multiply in which the answer is 72 but to make sure you should make a tree diagram.

6 different outfits, you have 4 jeans thats 4 outfits and 6 shirts which you already have 4 outfits from the 6 shirts and the 2 shirts left make 2 different outfits.

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5.3 independent practice

The inchworm moves 1⁄5 inch per hour. How far will the inchworm have moved after 6 hours?