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Grace [21]
3 years ago
12

Someone plz help! thx

Mathematics
1 answer:
timurjin [86]3 years ago
6 0
Convert each mixed number to an improper fraction

--------------------------------------------
Convert 6&1/2 to an improper fraction

6&1/2 = (6*2+1)/2
6&1/2 = (12+1)/2
6&1/2 = 13/2
--------------------------------------------
Do the same for 9&1/4

9&1/4 = (9*4+1)/4
9&1/4 = (36+1)/4
9&1/4 = 37/4
--------------------------------------------
Now multiply the improper fractions 13/2 and 37/4. Multiply straight across

(13/2)*(37/4) = (13*37)/(2*4)
(13/2)*(37/4) = 481/8
--------------------------------------------
The last step is to use long division to find the mixed number equivalent of 481/8

Or we an say 
60*8 = 480
So 60*8+1 = 480+1
which means 
481/8 = (480+1)/8 = 480/8+1/8 = 60&1/8

Making the final answer to be choice C

Another way to get the answer is to convert 481/8 into a decimal to get 60.125 and then convert that back to a mixed number. You should get 60&1/8
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V≈418.88

Step-by-step explanation:

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H= height

R= 5 ft

H= 16 ft

Formula= V=π5^2(16/3)

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Please help me What are the dimensions of the rectangle shown below? Remember to use the axes on the coordinate grid to help you
Deffense [45]
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Billy started $68.00 in his checking account. he went out to dinner. he now has $47.50. how much money did he spend on dinner?
emmasim [6.3K]
Correct Option: D) $20.50

Step-by-Step Explanation:

Starting cash = $ 68.00
Balance cash = $ 47.50

We can obtain the amount of money he spent on dinner by subtracting the Balance cash from the Starting cash:

= 68 - 47.50
= 20.50

Therefore, Billy spent $20.50 on Dinner.
5 0
2 years ago
Read 2 more answers
Find the simplified form of the expression. Give your answer in scientific notation. (9 x 105)(6 x 10-7)
Nikolay [14]
We will initially rewrite the expression provided for the sake of clarity:

(9 x 10⁵)(6 x 10⁻⁷)

The simplify this type of expression, we must follow the order of operations. We can use the acronym BEDMAS to help us with this problem. BEDMAS refers to the order that mathematical operations take place and states that you first solve whatever is inside brackets (in this case parentheses). This is followed by addressing any exponents. After brackets and exponents it is division and multiplication that take place. Division and multiplication are interchangeable and can take place in either order. The same can be said for addition and subtraction which is the last operation, but each is interchangeable. Following these rules we can solve this expression:

We do not need to solve anything within the parentheses since we are asked to leave the problem in scientific notation. Scientific notation is of the form n x 10ˣ. We do not need to address the exponents either as they are a part of the scientific notation. Next we move on to multiplication which is multiplying the two numbers inside the parentheses.

(9 x 10⁵)(6 x 10⁻⁷)

We can multiply all of these terms in any order. To simplify, we can multiply both exponents as they have the same base numbers.

(9 x 6) (10⁵ x 10⁻⁷)
(54)(10⁻²)
54 x 10⁻²
5.4 x 10⁻¹

When multiplying exponents with the same base, we can add the exponents, and then multiply the rest of the terms and this provides us with option 2 as the answer.
6 0
3 years ago
Read 2 more answers
Solve the simultaneous equations below. Show your work clearly,
prisoha [69]

Answer:

The solution of the given two equations

  ( x, y) = (0,6)

Step-by-step explanation:

<u><em>Step(i)</em></u>

Given equations are

                  y - 2x = 6  ...(i)

                 y + 2x = 6  ...(ii)

Adding (i) and (ii) equations, we get

          y - 2x + y +2x = 6+6

                2 y = 12

                  y =6

<u><em>Step(ii):-</em></u>

substitute y =6 in equation (i). we get

               y - 2x =6

              6 - 2x =6

              6-6 =2x

               0 = 2 x

               x = 0

The solution of the given two equations

  ( x, y) = (0,6)

6 0
3 years ago
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