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Troyanec [42]
2 years ago
7

7. answer correct for brainliest

Mathematics
2 answers:
Vika [28.1K]2 years ago
5 0

Answer:

4 7/20

Step-by-step explanation:

8 1/4 - 3 9/10

get a common denominator of 20

8 1/4 *5/5 - 3 9/10 *2/2

8 5/20 - 3 18/20

borrow 1 from the 8 in the form of 20/20

7 +20/20 + 5/20 - 3 18/20

7 25/20 - 3 18/20

4 7/20

Mkey [24]2 years ago
4 0

Answer: 4.35

Step-by-step explanation: 8 1/4 as a decimal is 8.25. 3 9/10 as a decimal is 3.9. 8.25 - 3.9 = 4.35.

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trasher [3.6K]
There are different formulas for each different shape.
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3 years ago
There are 14 boys and 9 girls in miss Keller's music class. what is the ratio of boys to girls
Feliz [49]

Answer:

14:9

Step-by-step explanation:

you cant simplify so just put : in between the numbers and boom! ur ratio is 14 to 9 or 14:9

hope this helps :D

8 0
3 years ago
A construction company purchased seven house lots of the following sizes:
Oksanka [162]

Answer:

between 1 1/8 acres and 2 1/4 acres

Step-by-step explanation:

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3 years ago
Quadrilateral W X Y Z is shown. All angles are right angles. The length of Z W is m + 6 and the length of W X is 2 m + 4.
Anna71 [15]

answer

2

Step-by-step explanation:

they have to equal each other foot the shape to be a square

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8 0
3 years ago
Read 2 more answers
Can someone help me with this wuestion please
tigry1 [53]
I think that the answer is £279.30.

to find the area of the shape you multiply 4.6 by 2.4 which is 11.04.
then you need to work out how many boxes you need by dividing the area by 0.8 which gives you 14 boxes.
you then multiply that by the price per box which was £19.95.
This gave me an answer of £279.30.
4 0
2 years ago
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