Mathematics Middle School

Estimate the difference 7 3/4-2/25 Show your work.

Answers

Answer 1

Answer: 7 3/4 - 2/25 = 767/100  = 7  67/100 = 7.67

Step-by-step explanation:

Conversion a mixed number 7 3/4

to a improper fraction: 7 3/4 = 7 3/4  = 7 · 4 + 3/4= 28 + 3/4 = 31/4

To find a new numerator:

a) Multiply the whole number 7 by the denominator 4. Whole number 7 equally 7 * 4/4 = 28/4

b) Add the answer from previous step 28 to the numerator 3. New numerator is 28 + 3 = 31

c) Write a previous answer (new numerator 31) over the denominator 4.

Seven and three quarters is thirty-one quarters

Subtract: 31/4 - 2/25= 31 · 25/4 · 25 - 2 · 4/25 · 4 = 775/100 - 8/100 = 775 - 8/

100 = 767/100

Answer 2
The answer would be that 100 = 767/100 because you subtract the numbers at the end

Related Questions

Karen just bought 6 bags of 16 cookies each. She already had 9 cookies in a jar. How many cookies does Karen have now?

Answers

Answer:

105 cookies

Step-by-step explanation:

We can model Karen's cookie situation like so:

#TotalCookies = #RecentlyBought + #AlreadyHad

We know that Karen already had 9 cookies in a jar, so it now looks like.

#TotalCookies = #RecentlyBought + 9

The number she recently bought, involves multiplication. So she bought 6 bags of 16 cookies. That's 6 x 16 = 60 + 36 = 96

#TotalCookies = 96 + 9 = 105 cookies

Karen loves cookies!

Answer:

105 cookies

Step-by-step explanation:

Given:-

Total cookies he have already :- 9cookies bought :- 6 bags each of 16 cookies

To find:-

Total no. of cookies he have now

Solution:-

total no. of cookies :- new cookies + old cookies

= 6×16+9

105 cookies

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Answers

Answer: 66

Step-by-step explanation: Basically you want to find the area of the whole shape and the white shape, which the whole shape is 96 and the white shape is 30, and subtract 96-30=66

We’re looking for the area of the shaded region (blue rectangle)

First we’ll start by finding the area of the whole shape: 10+2 =12 and 5+3 = 8.

Now that we have that we will multiply 12x8, getting 96.

Now we want to find the area of the white rectangle.
So, 3 x 10 = 30.

Now that we have our two areas, we’ll need to subtract 96-30 = 66. Getting the area of the shaded region.

I hope this helps!

Find the volume of a rectangular pyramid with a length of 7 feet, a width of 6 feet, and a height of 4.5 feet.

Answers

Formula for volume of a rectangular pyramid is V=1/3Bh
B is length x width

Answer:

The answer is 63

Step-by-step explanation:

You multiply all of the numbers together getting you 189. You then divide that by three because is a pyramid that gets you 63.

-I hope that helps!

Determine each unit price to the nearest cent. Which deal gives the lowest unit price. Show your thinking.
Bakery Deals
- 12 muffins for $25
-24 muffins for $46
-50 muffins for $94

Answers

You would do 12 divided by 25 which equals 0.48 and keep on doing that the next one is 0.52 and last is 0.53 meaning the best is the 12 muffins

Help please I really need it!!

Answers

Answer:

The rates of change are equal.

Step-by-step explanation:

The line goes through all of the points in the table.

Answer:

The rates of change are equal

Step-by-step explanation:

1. The rates of change are equal

If you look at the graph, you can see that it has the same coordinate points as the table.

Hope this helps!

Please answer this question

Answers

Answer:

✏️ Answer

On the pic. ↑

Step-by-step explanation:

Hope it's help

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I will give brainiest to the first person to answer

Simplify the expression (combine like terms). 5(g - 4) + 6g + 11

Simplify the expression (combine like terms). 7(a - b) - 8(2a - b)

Answers

Answer:

Equation A:

5(g - 4) + 6g + 11

5g - 20 + 6g + 11

11g - 20 + 11

11g - 9

Equation B:

7(a - b) - 8(2a - b)

7a -7b - 16a - 8b

-9a - 7b - 8b

-9a - 15b

Have an amazing day!!

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Equation 1:
5(g-4) + 6g+11
(5 x g) + (5 x -4) + 6g + 11
5g-20+6g+11
Combine Like Terms:
(5g + 6g) + (-20+11)
11g-9

Equation 2:
7(a-b)-8(2a-b)
(7 x a) + (7 x -b) + (-8 x 2a) + (-8 x b)
7a-7b-16a-8b
(7a-16a) + (-7b-8b)
23a-15b

64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44.

Write an equation to determine Sarah's age (a).

Find Sarah's age.

Answers

Answer:64/4+44=a

Sarah is 60 years old

Step-by-step explanation: 64/4 =16.    44+16=60

Multiply this difference by 4, and you get 64 as the result. So:

64 = 4(a - 44)

Now you need to balance the equation. Do the same operation to both sides. To begin, divide both sides by 4.

64/4 = 4(a - 44)/4 becomes

16 = a - 44 To get variables on one side and numerals on the other, add 44 to each side.

16 + 44 = a

60 = a. Sarah is 60 years old.
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