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valina [46]
2 years ago
6

What is the answer to 3 x 2 1/4=

Mathematics
1 answer:
azamat2 years ago
6 0

Answer:

6 3/4

Step-by-step explanation:

This is because:

If you change 2 1/4 to an improper fraction, it becomes 9/4, multiply that by 3, 27/4, simplify it and it becomes 6 3/4.

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Simplify each sum or difference. State any restrictions on the variables.
Dvinal [7]

Answer:

2(d-2)/(2d+1) or 1 - 5/(2d+1)

d can not be -½

Step-by-step explanation:

(d-3)/(2d+1) + (d-1)/(2d+1)

Lcm: 2d+1

(d-3+d-1)/(2d+1)

= (2d-4)/(2d+1)

= 2(d-2)/(2d+1)

If further simplification required:

= (2d-4)/(2d+1)

= (2d+1-5)/(2d+1)

= (2d+1)/(2d+1) - 5/(2d+1)

= 1 - 5/(2d+1)

2d+1 = 0

When d = -½

So d can not be -½ because when the denominator becomes 0, fraction becomes undefined

7 0
2 years ago
Find the value of each variable in the parallelogram
Anarel [89]

Answer:

x = 9

y = 15

Step-by-step explanation:

x = 9

y = 15

I'm not sure how to explain this, but one side is equal to its opposite side in a parallelogram.

Hope this helps :)

5 0
2 years ago
Different sizes of string needs to be cut to go around various shapes. All of the following sizes are in inches.
Brilliant_brown [7]

Answer:

first one

Step-by-step explanation:

6 0
3 years ago
Find the next three terms in the sequence. 3, 9, 27, 81
Aliun [14]

Answer:

243

Step-by-step explanation:

3*3=9*3=27*3=81*3=243*3 etc

4 0
3 years ago
Read 2 more answers
Kendal bought x boxes of cookies to bring to a party. Each box contains 12 cookies. She decides to keep two boxes for herself. S
Georgia [21]

Answer:

Step-by-step explanation:

Total number of boxes of cookies that Kendal bought to bring to the party is x.

Each box contains 12 cookies. This means that total number of cookies in x boxes would be

12 × x = 12x

She decides to keep two boxes for herself. This means that the total number of cookies that she kept for herself would be

12 × 2 = 24 cookies

She brings 60 cookies to the party.

The equation that can be used to find the number of boxes, x, Kendal bought would be

12x = 24 + 60

12x = 84

x = 84/12 = 7 boxes

6 0
3 years ago
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