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Ilia_Sergeevich [38]
3 years ago
9

I need help with 1(F)

Mathematics
1 answer:
VMariaS [17]3 years ago
3 0

Answer:

Step-by-step explanation:

1) e) -3 - (-1) = -3 + (+1)  = -2

f) 3\frac{7}{8}- (-1\frac{1}{4}) = \frac{31}{8}-(-\frac{5}{4})\\

                     = \frac{31}{8} + (+\frac{5}{4})\\\\=  \frac{31}{8} + \frac{5*2}{4*2}\\\\=  \frac{31}{8} + \frac{10}{8}\\\\= \frac{31+10}{8}\\\\= \frac{41}{8}\\\\= 5\frac{1}{8}

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Wich equation could be used to determine the area of a rectangle that is 9 cm long and 13 cm wide?​
Norma-Jean [14]

Answer:

9×13=117, The rectangle is 117cm

Step-by-step explanation

The formula for a rectangle is L*W  

4 0
3 years ago
What is the volume of a sphere with a diameter of 43.5 cm, rounded to the nearest tenth of a cubic centimeter?
Akimi4 [234]

Answer

= 43098.92

Step-by-step explanation:

Good luck

i solved and got that

7 0
4 years ago
Steven's kitchen has an area of 48 square feet. The kitchen is 8 times as many square feet as Steven's pantry. If the pantry is
White raven [17]

Answer:

3 feet long

Step-by-step explanation:

If the area of the kitchen is 48 and the pantry is 8 times smaller, then you would do 48 / 8 and get six. You would then do 6 / 2 to get the answer of three.

Hope this helps!

4 0
3 years ago
Ava said "There are only three hundred 3- diget numbers" is her statement true or faulse
Eduardwww [97]

Answer: False, there are actually 900 different three-digit numbers

========================================================

Explanation:

The three digit numbers span from 100 to 999, including both endpoints.

This means we have 999-100+1 = 900 different three-digit numbers.

You subtract the endpoints (large-small) and add 1 to include the lower endpoint.

Here's a smaller example of why this works: say you had the set {1,2,3,4} and we wanted to count the number of items in this set. Clearly there are 4 items. Note how subtracting the endpoints 4-1 gets us 3 instead, so we add on 1 to include that left endpoint.

3 0
3 years ago
If the ratio of wiping is the green peas is 2 to 8 and there are a total of 30 pens how many pens are white
kaheart [24]
2x+8x=30. x= #of pens

10x=30. combine like terms

x=3. divide by 10 to isolate (get by itself) x

2(3)=6. the # of white pens are represented by 2x

6 white pens



hope this helped!
8 0
3 years ago
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