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Jlenok [28]
3 years ago
15

Find the area of the polygon below

Mathematics
2 answers:
kramer3 years ago
6 0
20-13=7, 21-12=9, 7*9=63; 20*12=240; ANSWER: 63+240=303
Vinvika [58]3 years ago
6 0

Answer:

Step-by-step explanation:

65520

I was taught to always multiply all the numbers and you’re kind of hard answer now with me I don’t believe that is the correct answer but that’s what my teacher told me so .

or the answer could be 87

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A bag contains yellow marbles and blue marbles, 37 in total. The number of yellow marbles is 7 more than 5 times the number of b
Mazyrski [523]

Answer:

32

Step-by-step explanation:

let b represent the number of blue marbles then

yellow = 5b + 7 and

b + 5b + 7 = 37, that is

6b + 7 = 37 ( subtract 7 from both sides )

6b = 30 ( divide both sides by 6 )

b = 5

Thus there are 5 blue and 5(5) + 7 = 25 + 7 = 32 yellow marbles

5 0
3 years ago
tiana's car travel 111 miles on 3/8 of a tank of gas. how far will she be able to go on a full tank of gas?
kari74 [83]
Turn the 3/8 itto a mixed number and dived it by 111 
3 0
3 years ago
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Let A = Andrea's age, Find expressions for the following
Shalnov [3]

Answer:

b = 2a - 2

Step-by-step explanation:

Turn the words into an algebraic expressions. so Andrea's (b)  is (=) two years less (-2) than (flips the expression so place this first ->) twice (times 2) her age (a) So b = 2a -2

5 0
3 years ago
Find the length and area of rectangle whose diagonal is =26cm and breath is =10cm​
givi [52]

Answer:

240cm²

explanation

Diagonal ²=Length ²+breath ²

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676=100+length ²

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3 0
3 years ago
These triangles are congruent by which triangle congruence postulate ?
svp [43]
(a) SSS (side side side)
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