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MatroZZZ [7]
2 years ago
15

The sum of two-fifths of a number and three-tenths of the number.

Mathematics
2 answers:
Lena [83]2 years ago
6 0

Answer:

Seven out of ten

Step-by-step explanation:

enyata [817]2 years ago
6 0

Answer:

7/10

Step-by-step explanation:

2/5+3/10=4/10+3/10=7/10

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Work out the interior angle of the octagon.<br> Please show the working out.
bija089 [108]

Answer:

135°

Step-by-step explanation:

formula = (n-2) * 180, whereby 'n' is the number of sides.

therefore, (8-2) * 180 = 1080°

1080° ÷ number of sides

= 1080° ÷ 8

= 135°

5 0
2 years ago
Read 2 more answers
I’m really struggling with these proofs. We just started learning them and I’m highly confused!! Please help :)
gulaghasi [49]
I'm not sure about what exactly your teacher is looking for, but the actual congruency conjecture you would use is:

(angle symbol) 1 (congruency symbol) (angle symbol) 8 - Because they are alternate exterior angles

8 0
3 years ago
Hey guys plz help with this one i beg
kvv77 [185]

Answer:

102

Step-by-step explanation:

i think it is the ans.

6 0
3 years ago
14. Thomas is building a fence around his
Black_prince [1.1K]

Answer:

18 meters

Step-by-step explanation:

4 cm = 6m

2cm = 3m

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Please <3 my Answer B )

4 0
2 years ago
Read 2 more answers
A rectangle has a perimeter of 196 meters and a length of 50 meters.What is the width of the rectangle? Explain.
matrenka [14]
Answer: 48 meters

we already know that one side is 50 m, so since it's a
rectangle you can multiply 50 by 2 which gives you 100. Know you have two sides left (which would be the same number) . You can do it easy and subtract 196 and 100 which gives you 96. Then, divide 96 by 2 and you get 48.

---- check: do 48(2)+50(2) it will give you 196


HOPE THIS HELPED

3 0
3 years ago
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